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There are 9045 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Ed Abbaticchio | abbati001edw | 1907 | Pittsburgh | National League | Pittsburgh, PA | ||
| Doc Abbott | abbott001cha | 1907 | 5/4-6/2 | Dayton Veterans | Central League | , | |
| Doc Abbott | abbott001cha | 1907 | 6/10-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Fred Abbott | abbott002har | 1907 | 4/17-9/15 | Toledo Mud Hens | American Association | , | |
| Mickey Abbott | 1907 | 4/26- | Lowell Tigers | New England League | , | ||
| Mickey Abbott | 1907 | -9/7 | Lynn Shoemakers | New England League | , | ||
| Ody Abbott | abbott001ody | 1907 | 5/1- | 78 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| Ody Abbott | abbott001ody | 1907 | -9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Paine Abbott | 1907 | Salina Bankers | Independent | , | |||
| Spencer Abbott | abbott001spe | 1907 | 5/2-9/22 | Topeka White Sox | Western Association | , | |
| Abel | 1907 | 7/27 | Providence Grays | Eastern League | , | ||
| Harry Ables | ables-001har | 1907 | 21 g. | Dallas Giants | Texas League | , | |
| Robert Abrams | 1907 | 6/12-6/16 | Pottsville | Atlantic League | , | ||
| Bill Abstein | abstei001wil | 1907 | 136 g. | Providence Grays | Eastern League | , | |
| Victor Accorsini | accors001vic | 1907 | 119 g. | New Haven Blues | Connecticut State League | , | |
| Robert Ackerman | adler-001rob | 1907 | 4/25-5/1 | Providence Grays | Eastern League | , | |
| Robert Ackerman | adler-001rob | 1907 | 6/26-9/7 | Lynn Shoemakers | New England League | , | |
| Arnold Adamina | adamin001arn | 1907 | 4/11-8/11 | Mobile Sea Gulls | Cotton States League | , | |
| Arnold Adamina | adamin001arn | 1907 | 8/12-9/18 | Columbus Discoverers | Cotton States League | , | |
| Adams | 1907 | Mt. Carmel | , | ||||
| Adams | 1907 | 5/17-5/30 | Battle Creek Crickets | Southern Michigan League | , | ||
| Adams | 1907 | 30 g. | Edmonton Grays | Western Canada League | , | ||
| Adams | 1907 | Bangor | Blue Mountain League | , | |||
| Adams | 1907 | 9/6 | Seneca Falls | Empire State League | , | ||
| Babe Adams | adams-003cha | 1907 | 4 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Babe Adams | adams-003cha | 1907 | 4/17-9/11 | Denver Grizzlies | Western League | , | |
| E. Adams | 1907 | 20 g. | Waterville | Maine State League | , | ||
| Edward Adams | 1907 | 5/1-5/2 | Lynn Shoemakers | New England League | , | ||
| Joe Adams | adams-003jos | 1907 | 5/12-9/29 | Pana Coal Miners | Eastern Illinois League | , | |
| Milton Adams | adams-001cly | 1907 | 12 g. | Punxsutawney Policemen | Interstate League | , | |
| Rick Adams | adams-001reu | 1907 | 4/20-6/27 | St. Paul Saints | American Association | , | |
| Rick Adams | adams-001reu | 1907 | 7/1-9/14 | Denver Grizzlies | Western League | , | |
| Theodore Adams | adams-001the | 1907 | 140 g. | Austin Senators | Texas League | , | |
| William Adams | 1907 | 104 g. | Butte Miners | Northwestern League | , | ||
| William Adams | 1907 | Spokane Indians | Northwestern League | , | |||
| Max Addington | 1907 | 79 g. | Monroe Municipals | Gulf Coast League | , | ||
| Dick Adkins | 1907 | 2 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Dick Adkins | 1907 | 30 g. | Terrell Red Stockings | North Texas League | , | ||
| Merle Adkins | adkins001mer | 1907 | 4/26-9/20 | Baltimore Orioles | Eastern League | , | |
| Robert Adler | 1907 | Poughkeepsie Colts | Hudson River League | , | |||
| Robert Adler | 1907 | 59 g. | Lynn Shoemakers | New England League | , | ||
| Bill Adolph | 1907 | 5/2- | 22 g. | Leavenworth Convicts | Western Association | , | |
| Bert Adrian | adrian001ber | 1907 | 28 g. | Paris Athletics | North Texas League | , | |
| Joseph Agler | 1907 | 6/29-9/22 | Lansing Senators | Southern Michigan League | , | ||
| John Agnew | 1907 | +7/9+ | Elmira NY | Independent | , | ||
| John Agnew | 1907 | 8/28-9/6 | Seneca Falls | Empire State League | , | ||
| Pete Agnew | agnew-001pet | 1907 | Kane Mountaineers | Interstate League | , | ||
| Pete Agnew | agnew-001pet | 1907 | 6/6-7/31 | Chester/Tamaqua | Atlantic League | , | |
| Walter Ahearn | ahearn001wal | 1907 | 4/26-6/22 | Haverhill Hustlers | New England League | , | |
| Walter Ahearn | ahearn001wal | 1907 | 25 g. | Holyoke Papermakers | Connecticut State League | , | |
| Ahern | 1907 | 35 g. | Haverhill Hustlers | New England League | , | ||
| Alvia Ahlin | ahlin-001a-- | 1907 | , | ||||
| Arthur Ahring | 1907 | 5/12-6/11 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Arthur Ahring | 1907 | Pana Coal Miners | Eastern Illinois League | , | |||
| Arthur Ahring | 1907 | 7/7-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Eddie Ainsmith | ainsmi001edw | 1907 | 9/20 | Toronto Maple Leafs | Eastern League | , | |
| Raleigh Aitchison | aitchi001ral | 1907 | 5/2- | 10 g. | Hutchinson Salt Packers | Western Association | , |
| Albert Akers | 1907 | 5/7-9/14 | Jacksonville Lunatics | Iowa League | , | ||
| Akey | 1907 | 5/25-6/3 | Lyons | Empire State League | , | ||
| Roy Akin | akin--001roy | 1907 | 139 g. | Houston Buffaloes | Texas League | , | |
| Charles Alberts | 1907 | 4/27-5/3 | Springfield Babes | Central League | , | ||
| Charles Alberts | 1907 | 5/17-9/8 | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Cy Alberts | albert001fre | 1907 | 4/28-6/6 | Springfield Babes | Central League | , | |
| Cy Alberts | albert001fre | 1907 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Cy Alberts | albert001fre | 1907 | Ft. Wayne-Indep | Independent | , | ||
| Gus Alberts | albert001gus | 1907 | 5/2-6/8+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Gus Alberts | albert001gus | 1907 | 5/24-6/2 | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | |
| Gus Alberts | albert001gus | 1907 | +7/25+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Eddie Albus | 1907 | +6/22+ | Detr.-Amer Car&F | Independent | , | ||
| Eddie Albus | 1907 | 8/2-8/7 | Bay City | Southern Michigan League | , | ||
| Eddie Albus | 1907 | +8/17-9/22+ | Detr.-Munroe Shops | Independent | , | ||
| John Alcock | alcock001joh | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Alcott | 1907 | 4/27-4/29 | Providence Grays | Eastern League | , | ||
| Dallas Alderman | alderm001dal | 1907 | 5/4-9/11 | Springfield Babes | Central League | , | |
| Bill Alexander | alexan005wil | 1907 | 4/28-8/4 | Austin Senators | Texas League | , | |
| Bill Alexander | alexan005wil | 1907 | 112 g. | San Antonio Bronchos | Texas League | , | |
| Simon Alford | 1907 | +5/8-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Simon Alford | 1907 | 8/10-8/12 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Edward Alinquist | 1907 | 5/16-5/30 | Jackson Convicts | Southern Michigan League | , | ||
| Allen | 1907 | 6/18-6/22 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Allen | 1907 | 5/19-8/21 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Charles Allen | 1907 | Punxsutawney Policemen | Interstate League | , | |||
| Charles Allen | 1907 | 8/6-9/8 | Pottsville | Atlantic League | , | ||
| Charlie Allen | 1907 | 24 g. | Biddeford | Maine State League | , | ||
| Frank Allen | 1907 | 4/21- | 64 g. | Seattle Siwashes | Northwestern League | , | |
| George Allen | 1907 | 51 g. | Punxsutawney Policemen | Interstate League | , | ||
| Thomas? Allen | 1907 | 7/23-9/7 | Geneva | Empire State League | , | ||
| Allison | 1907 | 5/20-5/30 | Sumter Gamecocks | South Carolina League | , | ||
| Mack Allison | alliso001mac | 1907 | 5/4-5/21 | Leavenworth Convicts | Western Association | , | |
| Mack Allison | alliso001mac | 1907 | 5/26-6/13 | Topeka White Sox | Western Association | , | |
| Mack Allison | alliso001mac | 1907 | 6/23-7/25 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Mack Allison | alliso001mac | 1907 | 8/18 | Mattoon Giants | Eastern Illinois League | , | |
| Mack Allison | alliso001mac | 1907 | 8/23-9/5 | Jacksonville Lunatics | Iowa League | , | |
| Martin Almquist | 1907 | McPherson KS | Independent | , | |||
| Whitey Alpermann | alperm001cha | 1907 | 141 g. | Brooklyn | National League | Brooklyn, NY | |
| Dave Altizer | altize001dav | 1907 | 147 g. | Washington | American League | Washington, DC | |
| Joseph Altman | altman001jos | 1907 | 145 g. | Spokane Indians | Northwestern League | , | |
| James Alward | 1907 | +7/7+ | Cant.-CrystalPark | Independent | , | ||
| Amertram | 1907 | 5/24 | Easton | Atlantic League | , | ||
| Rex Ames | 1907 | 5/11-9/15 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Roy Amsbry | amsbre001--- | 1907 | 5/1-8/3 | Connellsville Cokers | Western Pennsylvania League | , | |
| Roy Amsbry | amsbre001--- | 1907 | 8/8-8/9 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Albert Amsler | 1907 | 5/9-5/15 | Freeport Pretzels | Wisconsin State League | , | ||
| Albert Amsler | 1907 | 5/21-5/28 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Albert Amsler | 1907 | 5/30 | Freeport Pretzels | Wisconsin State League | , | ||
| Albert Amsler | 1907 | 7/27 | La Crosse Badgers | Wisconsin State League | , | ||
| Charles Amsler | 1907 | Dayton Veterans | Central League | , | |||
| Charles Amsler | 1907 | 5/26-6/11 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| William Anderberg | 1907 | 6/6-6/20 | Easton | Atlantic League | , | ||
| Anderson | 1907 | 4/13-5/7 | Montgomery Senators | Southern Association | , | ||
| Anderson | 1907 | 6/4-6/5 | Spartanburg Spartans | South Carolina League | , | ||
| Anderson | 1907 | 5/21 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Anderson | 1907 | 7/24-7/29 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Anderson | 1907 | 6/15-7/2 | Fulton | Empire State League | , | ||
| Andrew Anderson | 1907 | 4/13-5/7 | Montgomery Senators | Southern Association | , | ||
| Andy Anderson | anders003and | 1907 | 134 g. | Aberdeen Black Cats | Northwestern League | , | |
| Boyd Anderson | 1907 | +5/12-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Boyd Anderson | 1907 | +5/17+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Chick Anderson | 1907 | 5/10-5/18 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Fred Anderson | anders008joh | 1907-09 | U. Maryland | College | , | ||
| Fred Anderson | anders008joh | 1907 | 5/20-5/22 | Anderson Electricians | South Carolina League | , | |
| Goat Anderson | anders003edw | 1907 | 4/11-10/6 | Pittsburgh | National League | Pittsburgh, PA | |
| J. W. Anderson | anders001ant | 1907 | 5/2-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| J. W. Anderson | anders001ant | 1907 | 6/3-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| J. W. Anderson | anders001ant | 1907 | 8/6-9/12+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| James Anderson | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | |||
| John Anderson | anders010joh | 1907 | 87 g. | Washington | American League | Washington, DC | |
| Ollie Anderson | anders001oll | 1907 | Umpire | Western League | , | ||
| Spike Anderson | anders003a-- | 1907 | U. Minnesota | College | , | ||
| Spike Anderson | anders003a-- | 1907 | 7/21- | 9 g. | Duluth White Sox | Northern-Copper Country League | , |
| Spike Anderson | anders003a-- | 1907 | Fort Dodge IA | Semi-professional | , | ||
| William Anderson | anders003wil | 1907 | 5/1-9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Frank Andrada | 1907 | 2 g. | Portland Beavers | Pacific Coast League | , | ||
| George Andreas | andrea002geo | 1907 | 4/17-7/4 | Des Moines Champs | Western League | , | |
| George Andreas | andrea002geo | 1907 | 7/5- | Milwaukee Brewers | American Association | , | |
| George Andreas | andrea002geo | 1907 | 7/13-9/15 | Des Moines Champs | Western League | , | |
| Andrews | 1907 | 12 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Andrews | 1907 | 1 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Charles Andrews | andrew001cha | 1907 | +5/15-7/22 | Columbus Discoverers | Cotton States League | , | |
| Charles Andrews | andrew001cha | 1907 | 7/24-9/18 | Meridian Ribboners | Cotton States League | , | |
| Doc Andrews | andrew001jay | 1907 | 106 g. | Hutchinson Salt Packers | Western Association | , | |
| Glenn Andrews | andrew001gle | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | |
| Thomas Andrews | 1907 | 7/11-9/2 | Fairmont Champions | Western Pennsylvania League | , | ||
| Louis Angermeier | 1907 | 9/10-9/11 | Louisville Colonels | American Association | , | ||
| Bill Annis | annis-001wil | 1907 | 5/2-9/22 | Wichita Jobbers | Western Association | , | |
| John Anthony | anthon002joh | 1907 | 4/18-9/21 | Lynchburg Shoemakers | Virginia League | , | |
| Samuel Apperious | apperi001wil | 1907 | 4/10-5/13 | Montgomery Senators | Southern Association | , | |
| Fred Applegate | appleg002fre | 1907 | 5/20-9/4 | Toronto Maple Leafs | Eastern League | , | |
| Cleveland Arbogast | arboga001cle | 1907 | 4/18-4/20 | St. Paul Saints | American Association | , | |
| Cleveland Arbogast | arboga001cle | 1907 | 5/7- | 95 g. | Seattle Siwashes | Northwestern League | , |
| Jimmy Archer | archer001jam | 1907 | 18 g. | Detroit | American League | Detroit, MI | |
| Chauncy Archiquette | archiq001c-- | 1907 | Pawhuska IT | Independent | , | ||
| Charlie Armbruster | armbru001cha | 1907 | 23 g. | Boston | American League | Boston, MA | |
| Charlie Armbruster | armbru001cha | 1907 | 9/11 | Chicago | American League | Chicago, IL | |
| Harry Armbruster | armbru001har | 1907 | 4/17-9/16 | Toledo Mud Hens | American Association | , | |
| Bill Armour | armour001wil | 1907 | 4/17-9/16 | Toledo Mud Hens | American Association | , | |
| Armstrong | 1907 | 11 g. | Canton Chinamen | Central League | , | ||
| Armstrong | 1907 | 5/5-5/14 | Easton | Atlantic League | , | ||
| Armstrong | 1907 | 5/10-9/8 | Newark | Atlantic League | , | ||
| Alec Armstrong | 1907 | 5/3 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Cecil Armstrong | armstr001cec | 1907 | 5/2-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Charles Armstrong | 1907 | 4/25-5/3 | Norfolk Tars | Virginia League | , | ||
| Jerry Armstrong | 1907 | U. S. Army | , | ||||
| Jerry Armstrong | 1907 | 5/20-7/20 | Greenville Mountaineers | South Carolina League | , | ||
| Jerry Armstrong | 1907 | 7/26-8/9 | Spartanburg Spartans | South Carolina League | , | ||
| Lou Armstrong | armstr001lou | 1907 | 5/2-9/22 | Joplin Miners | Western Association | , | |
| Robert Armstrong | 1907 | 4/27-5/17 | Canton Chinamen | Central League | , | ||
| Robert Armstrong | 1907 | 6/24-9/15 | Keokuk Indians | Iowa League | , | ||
| Harry Arndt | arndt-001har | 1907 | - 5/25 | 11 g. | St. Louis | National League | St. Louis, MO |
| Harry Arndt | arndt-001har | 1907 | 5/31-9/14 | Wilmington Peaches | Tri-State League | , | |
| Arnedorf | 1907 | 8/10 | Duluth White Sox | Northern-Copper Country League | , | ||
| Arnett | 1907 | 9/12 | Denver Grizzlies | Western League | , | ||
| Roy Arnold | 1907 | +5/13-5/30 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Roy Arnold | 1907 | 6/17-9/21 | Topeka White Sox | Western Association | , | ||
| Roy Arnold | 1907 | 7/ | 1 g. | Hutchinson Salt Packers | Western Association | , | |
| Ed Ashenbach | ashenb001edw | 1907 | 4/17-9/16 | St. Paul Saints | American Association | , | |
| Charles Asher | asher-001edw | 1907 | 41 g. | Newark Newks | Ohio-Pennsylvania League | , | |
| John Ashley | ashley001joh | 1907 | 5/2-9/22 | Leavenworth Convicts | Western Association | , | |
| James Ashmore | ashmor001j-- | 1907 | Monmouth Col. | College | , | ||
| James Ashmore | ashmor001j-- | 1907 | 4/24-6/22 | Williamsport Millionaires | Tri-State League | , | |
| James Ashmore | ashmor001j-- | 1907 | 6/27 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| James Ashmore | ashmor001j-- | 1907 | 17 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| James Ashmore | ashmor001j-- | 1907 | 8/12- | Lowell Tigers | New England League | , | |
| James Ashmore | ashmor001j-- | 1907 | -9/7 | Lynn Shoemakers | New England League | , | |
| Ashton | 1907 | 15 g. | Monroe Municipals | Gulf Coast League | , | ||
| Jack Ashton | ashton001joh | 1907 | Mexico | , | |||
| Jack Ashton | ashton001joh | 1907 | 4/10-5/5 | Charleston Sea Gulls | South Atlantic League | , | |
| Jack Ashton | ashton001joh | 1907 | 5/7-7/22 | Vicksburg Hill Billies | Cotton States League | , | |
| Jack Ashton | ashton001joh | 1907 | 7/24-7/29 | Meridian Ribboners | Cotton States League | , | |
| Jack Ashton | ashton001joh | 1907 | +8/11+ | Mobile Sea Gulls | Cotton States League | , | |
| Ashworth | 1907 | 6/13 | Worcester Busters | New England League | , | ||
| Tom Asmussen | asmuss001tho | 1907 | Chicago City League | , | |||
| Tom Asmussen | asmuss001tho | 1907 | Boston | National League | Boston, MA | ||
| Tom Asmussen | asmuss001tho | 1907 | 7/30-7/31 | Eau Claire Tigers | Wisconsin State League | , | |
| Charlie Atherton | athert001cha | 1907 | 4/24-5/14 | Johnstown Johnnies | Tri-State League | , | |
| Charlie Atherton | athert001cha | 1907 | 6/1-6/24 | Wilmington Peaches | Tri-State League | , | |
| Charlie Atherton | athert001cha | 1907 | 7/- | Portland Beavers | Pacific Coast League | , | |
| J. B. Atkins | 1907 | Bangor | Blue Mountain League | , | |||
| Tommy Atkins | atkins001fra | 1907 | 5/19-9/20 | Bay City | Southern Michigan League | , | |
| Attelberry | 1907 | 5/4 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Ernest Atwell | 1907 | 9/5-9/11 | Pana Coal Miners | Eastern Illinois League | , | ||
| Atwood | 1907 | 7/12-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Jake Atz | atz---001joh | 1907 | 4/10-9/14 | New Orleans Pelicans | Southern Association | , | |
| Jake Atz | atz---001joh | 1907 | 4 g. | Chicago | American League | Chicago, IL | |
| Harry Aubrey | aubrey001har | 1907 | 5/20-9/22 | Syracuse Stars | New York State League | , | |
| Jack Auslet | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| Austin | 1907 | Poughkeepsie Colts | Hudson River League | , | |||
| Austin | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |||
| Austin | 1907 | 6/11-6/14 | Flint Vehicles | Southern Michigan League | , | ||
| Austin | 1907 | 6/26-7/13 | Easton | Atlantic League | , | ||
| Bill Austin | austin001wil | 1907 | 4/26- | New Bedford Whalers | New England League | , | |
| Bill Austin | austin001wil | 1907 | -9/7 | Fall River Indians | New England League | , | |
| Jimmy Austin | austin002jam | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| Chick Autry | autry-001wil | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| Chick Autry | autry-001wil | 1907 | 7 g. | Cincinnati | National League | Cincinnati, OH | |
| Clifford Averett | 1907 | Columbus GA | Independent | , | |||
| Jack Averill | averil000jac | 1907 | 4 g. | Augusta | Maine State League | , | |
| Jack Averill | averil000jac | 1907 | 2 g. | Portland Blue Sox | Maine State League | , | |
| Charlie Babb | babb--001cha | 1907 | 4/10-9/14 | Memphis Egyptians | Southern Association | , | |
| Alex Backof | backof001ale | 1907 | 4/25-9/15 | Grand Rapids Wolverines | Central League | , | |
| George Backus | backus001mel | 1907 | no g. | Wichita Jobbers | Western Association | , | |
| George Backus | backus001mel | 1907 | no g. | Leavenworth Convicts | Western Association | , | |
| George Backus | backus001mel | 1907 | +6/17-9/25+ | Winfield KS Reds | Independent | , | |
| Mat Bacom | bascom001m-- | 1907 | 5/7-6/9 | Keokuk Indians | Iowa League | , | |
| Mat Bacom | bascom001m-- | 1907 | +6/14+ | Moline-WestEnds | Independent | , | |
| Frederick Badel | badel-001fre | 1907 | , | ||||
| Art Bader | bader-001art | 1907 | StL.- | St. Louis Trolley League | , | ||
| Art Bader | bader-001art | 1907 | 6/29-9/15 | Pueblo Indians | Western League | , | |
| Guy Badger | 1907 | 117 g. | Monroe Municipals | Gulf Coast League | , | ||
| Guy Badger | 1907 | Lake Charles Creoles | Gulf Coast League | , | |||
| Oliver Badgley | 1907 | Trinity College | College | , | |||
| Oliver Badgley | 1907 | +7/3+ | Hartford Senators | Connecticut State League | , | ||
| Rudy Baerwald | baerwa001rud | 1907 | 119 g. | Butte Miners | Northwestern League | , | |
| Rudy Baerwald | baerwa001rud | 1907 | 9/16-10/5 | New York | American League | New York, NY | |
| John Baggans | 1907 | 7/8 | Worcester Busters | New England League | , | ||
| John Baggans | 1907 | 21 g. | Portland Blue Sox | Maine State League | , | ||
| Jesse Baggett | 1907 | +9/14+ | Wash.-Aloysius | Independent | , | ||
| Jack Bagley | bagley001joh | 1907 | 4/30-6/11 | Lawrence Colts | New England League | , | |
| Robert Bagnall | 1907 | preseason | Lincoln Treeplanters | Western League | , | ||
| Robert Bagnall | 1907 | 5/13-7/9 | Waterloo Cubs | Iowa League | , | ||
| Emory Bagwell | bagwel001eme | 1907 | 5/20-6/22 | Anderson Electricians | South Carolina League | , | |
| Robert Bail | 1907 | Scottdale Giants | Western Pennsylvania League | , | |||
| Bailey | 1907 | 52 g. | Punxsutawney Policemen | Interstate League | , | ||
| Bailey | 1907 | 7/12-7/13 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Bill Bailey | bailey003wil | 1907 | 37 g. | Austin Senators | Texas League | , | |
| Bill Bailey | bailey003wil | 1907 | 9/11- | 6 g. | St. Louis | American League | St. Louis, MO |
| Harry Bailey | 1907 | 4/25-9/13 | Dayton Veterans | Central League | , | ||
| Harvey Bailey | bailey003har | 1907 | 5/2-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| King Bailey | bailey001kin | 1907 | 6/10-7/18 | Umpire | Cotton States League | , | |
| M. H. Bailey | 1907 | 4/24 | Toronto Maple Leafs | Eastern League | , | ||
| Russell Bailey | 1907 | 6/13-9/22 | Eau Claire Tigers | Wisconsin State League | , | ||
| William Bailey | 1907 | -9/14 | 23 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Frank Baillies | 1907 | 5/13-9/15 | La Crosse Badgers | Wisconsin State League | , | ||
| Frank Bair | 1907 | 9/17-9/27 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Harry Baird | 1907 | +9/4+ | Marquette KS | Independent | , | ||
| James Baird | baird-001jam | 1907 | 121 g. | Galveston Sand Crabs | Texas League | , | |
| Baker | 1907 | 5/8- | Webb City Goldbugs | Western Association | , | ||
| Baker | 1907 | PACaliforniaNorm | College | , | |||
| Baker | 1907 | 7/11-7/12 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Baker | 1907 | 6/17 | Auburn | Empire State League | , | ||
| Baker | 1907 | 6/24-6/26 | Flint Vehicles | Southern Michigan League | , | ||
| Home Run Baker | baker-004joh | 1907 | Cambridge MD | Independent | , | ||
| Home Run Baker | baker-004joh | 1907 | 9/14-9/20 | Baltimore Orioles | Eastern League | , | |
| Howard Baker | baker-003how | 1907 | 111 g. | Holyoke Papermakers | Connecticut State League | , | |
| John Baker | baker-001joh | 1907 | 5/2-9/14 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Louis Baker | baker-001lou | 1907 | 5/9-8/5 | Madison Senators | Wisconsin State League | , | |
| Louis Baker | baker-001lou | 1907 | 8/9-9/15 | Oskaloosa Quakers | Iowa League | , | |
| Roy Baker | baker-003roy | 1907 | 84 g. | Edmonton Grays | Western Canada League | , | |
| Clarence Bakule | 1907 | +6/30-7/24+ | Leavenworth Convicts | Western Association | , | ||
| Clarence Bakule | 1907 | 8/5-8/15+ | Hutchinson Salt Packers | Western Association | , | ||
| Orson Baldwin | baldwi001ors | 1907 | , | ||||
| Michael Balenti | 1907 | Hagerstown MD | Independent | , | |||
| Curtis Bales | 1907 | 4/27 | Milwaukee Brewers | American Association | , | ||
| Curtis Bales | 1907 | 5/12-6/26 | Canton Chinamen | Central League | , | ||
| Monte Bales | 1907 | 16 g. | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Bobby Ball | 1907 | 5/1-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| Harry Ball | ball--003har | 1907 | 101 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Jim Ball | ball--002jam | 1907 | 5/13- | Barre-Montpelier | New Hampshire State League | , | |
| Jim Ball | ball--002jam | 1907 | 8/12-9/7 | Lynn Shoemakers | New England League | , | |
| Jim Ball | ball--002jam | 1907 | 9/21- | 10 g. | Boston | New England League | , |
| Neal Ball | ball--001cor | 1907 | 4/16-9/5 | Montgomery Senators | Southern Association | , | |
| Neal Ball | ball--001cor | 1907 | 9/12- | 15 g. | New York | American League | New York, NY |
| Charles Ballenger | 1907 | 5/18-5/30 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| George Balliett | ballie001geo | 1907 | 5/10-7/12 | Madison Senators | Wisconsin State League | , | |
| George Balliett | ballie001geo | 1907 | 7/18-8/28 | Wausau Lumberjacks | Wisconsin State League | , | |
| James Ballinger | 1907 | Glenwood Spr. | Independent | , | |||
| James Ballinger | 1907-09 | U. Colorado | College | , | |||
| Joseph Bammert | bammer001joh | 1907 | 140 g. | Waco Navigators | Texas League | , | |
| Robert Bandy | 1907 | 4/12-5/4 | Little Rock Travelers | Southern Association | , | ||
| Robert Bandy | 1907 | 5/12-9/ | Oklahoma City Mets | Western Association | , | ||
| Robert Bandy | 1907 | 9/21 | El Reno OK | Independent | , | ||
| Cecil Bankhead | bankhe001cec | 1907 | 5/2-7/20 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Cecil Bankhead | bankhe001cec | 1907 | 7/24-9/22 | Joplin Miners | Western Association | , | |
| Alexander Bannister | 1907 | 4/29-9/24 | Rochester Bronchos | Eastern League | , | ||
| George Bannister | 1907 | 4/8- | Columbia Gamecocks | South Atlantic League | , | ||
| George Bannister | 1907 | 14 g. | Bradford Drillers | Interstate League | , | ||
| Bill Bannon | bannon001wil | 1907 | 5/1-7/20+ | Umpire | Ohio-Pennsylvania League | , | |
| Bill Bannon | bannon001wil | 1907 | +7/27-8/19+ | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Bill Bannon | bannon001wil | 1907 | +8/31-9/28 | Umpire | Ohio-Pennsylvania League | , | |
| George Bannon | bannon001geo | 1907 | 109 g. | Holyoke Papermakers | Connecticut State League | , | |
| George Bannon | bannon001geo | 1907 | Springfield Ponies | Connecticut State League | , | ||
| Jimmy Bannon | bannon001jam | 1907 | 4/24-9/9 | Rochester Bronchos | Eastern League | , | |
| Tom Bannon | bannon001tho | 1907 | 4/26- | Lynn Shoemakers | New England League | , | |
| Tom Bannon | bannon001tho | 1907 | -9/27 | Lawrence Colts | New England League | , | |
| Alexander Bannwart | 1907 | 7/25-8/5 | Lowell Tigers | New England League | , | ||
| Barb | 1907 | 7/10 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| William Barbeau | barbea001wil | 1907 | 4/17-8/26 | Toledo Mud Hens | American Association | , | |
| Barber | 1907 | 5/21-5/25 | Anderson Electricians | South Carolina League | , | ||
| Billy Barber | barber001wil | 1907 | 5/24-7/14 | Battle Creek Crickets | Southern Michigan League | , | |
| Dave Barber | barber001dav | 1907 | Utica Pent-Ups | New York State League | , | ||
| E. H. Barber | 1907 | 4/11-4/25 | Vicksburg Hill Billies | Cotton States League | , | ||
| E. H. Barber | 1907 | 4/29-9/4 | Jackson Senators | Cotton States League | , | ||
| Frank Barber | barber001fra | 1907 | 5/15-5/24 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Frank Barber | barber001fra | 1907 | -9/22 | 54 g. | Hutchinson Salt Packers | Western Association | , |
| Frank Barberich | barber003fra | 1907 | 4/27-9/7 | Lawrence Colts | New England League | , | |
| Frank Barberich | barber003fra | 1907 | 9/17-9/23 | Boston | National League | Boston, MA | |
| Louis Barbour | barbou001lou | 1907 | 112 g. | New London Whalers | Connecticut State League | , | |
| George Barclay | barcla001geo | 1907 | 6/27-8/12 | Lynn Shoemakers | New England League | , | |
| Cy Barger | barger001ero | 1907 | 1 g. | New York | American League | New York, NY | |
| Cy Barger | barger001ero | 1907 | 5/15-7/6 | Montreal Royals | Eastern League | , | |
| Cy Barger | barger001ero | 1907 | 7/14-7/17 | Rochester Bronchos | Eastern League | , | |
| Cy Barger | barger001ero | 1907 | 9/4-9/19 | Rochester Bronchos | Eastern League | , | |
| Harry Barker | barker001har | 1907 | 5/18-6/11 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Harry Barker | barker001har | 1907 | 7/13 | Wheeling Stogies | Central League | , | |
| Harry Barker | 1907 | 7/29-8/22 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Hugh Barksdale | 1907 | +3/24+ | Clemson College | College | , | ||
| John Barkwell | 1907 | 5/12-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Frank Barlow | 1907 | 5/1-5/13 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Frank Barlow | 1907 | 5/16-5/31 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Miles Barlow | barlow001mil | 1907 | 5/1-5/13 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Miles Barlow | barlow001mil | 1907 | 5/16-5/31 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Miles Barlow | barlow001mil | 1907 | 6/8-9/22 | Freeport Pretzels | Wisconsin State League | , | |
| Barndollar | 1907 | Punxsutawney Policemen | Interstate League | , | |||
| Harry Barndollar | barndo001har | 1907 | 5/24-7/9+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Harry Barndollar | barndo001har | 1907 | 8/6-9/15 | Umpire | Oklahoma-Arkansas-Kansas League | , | |
| Barnett | 1907 | 5/28-5/30 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Jack Barnett | burnet005joh | 1907 | 4/20-6/23 | Tacoma Tigers | Northwestern League | , | |
| Jack Barnett | burnet005joh | 1907 | 7/2-9/20 | St. Louis | National League | St. Louis, MO | |
| Jack Barnett | burnet005joh | 1907 | 10/6 | Tacoma Tigers | Northwestern League | , | |
| Michael Barney | 1907 | 5/14-8/8 | Bay City | Southern Michigan League | , | ||
| Michael Barney | 1907 | 8/17-9/22 | Flint Vehicles | Southern Michigan League | , | ||
| Charles Barngrover | 1907 | 10 g. | Springfield Midgets | Western Association | , | ||
| Charles Barngrover | 1907 | 8/30 | Belpre KS | Independent | , | ||
| Charles Barngrover | 1907 | Kinsley KS | Independent | , | |||
| Frederick Barnstead | barnst001fre | 1907 | 45 g. | Calgary Bronchos | Western Canada League | , | |
| Frederick Barnstead | barnst001fre | 1907 | Seattle Siwashes | Northwestern League | , | ||
| Barrett | 1907 | 4/24-5/13 | Lynchburg Shoemakers | Virginia League | , | ||
| Barrett | 1907 | 6/3-6/4 | Fulton | Empire State League | , | ||
| Barrett | 1907 | Calgary Bronchos | Western Canada League | , | |||
| Jimmy Barrett | barret003jam | 1907 | 106 g. | Boston | American League | Boston, MA | |
| John Barrett | 1907 | 5/8- | Lowell Tigers | New England League | , | ||
| John Barrett | 1907 | -8/16 | Worcester Busters | New England League | , | ||
| Cuke Barrows | barrow001rol | 1907 | 76 g. | Portland Blue Sox | Maine State League | , | |
| Barry | 1907 | 5/11-5/17 | Elizabeth | Atlantic League | , | ||
| Barry | 1907 | 6/8 | Sumter Gamecocks | South Carolina League | , | ||
| Barry | 1907 | 6/11-6/14 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Charles Barry | 1907 | 5/2-6/2 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| David Barry | barry-001dav | 1907 | 5/12-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Ed Barry | barry-001edw | 1907 | 4/25-9/22 | Providence Grays | Eastern League | , | |
| Ed Barry | barry-001edw | 1907 | - 10/4 | 2 g. | Boston | American League | Boston, MA |
| Jack Barry | barry-006joh | 1907 | Rockville | , | |||
| Lawrence Barry | 1907 | 7/18-7/30 | Oswego | Empire State League | , | ||
| Lawrence Barry | 1907 | 8/21-9/7 | Geneva | Empire State League | , | ||
| Thomas Barry | barry-002tom | 1907 | Notre Dame U. | College | , | ||
| Tom Barry | barry-001tho | 1907 | Ziegenheims | Trolley League | , | ||
| John Barthold | bartho001joh | 1907 | 5/2-6/12 | Lancaster Red Roses | Tri-State League | , | |
| John Barthold | bartho001joh | 1907 | 6/22-9/14 | Wilmington Peaches | Tri-State League | , | |
| Bert Bartholomew | 1907 | 5/2-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Bartlett | 1907 | 7/18-7/22 | Lansing Senators | Southern Michigan League | , | ||
| Bill Bartley | bartle001wil | 1907 | 4/27 | Baltimore Orioles | Eastern League | , | |
| Bill Bartley | bartle001wil | 1907 | -9/20 | 22 g. | Philadelphia | American League | Philadelphia, PA |
| Henry Bartley | bartle001h-- | 1907 | 5/2-7/15 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Henry Bartley | bartle001h-- | 1907 | +7/20-7/26 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| John Bartley | bartle001joh | 1907 | 5/12-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| Charles Bartliff | 1907 | 5/27-6/27 | Oskaloosa Quakers | Iowa League | , | ||
| Charles Bartliff | 1907 | 8/11-9/6 | 3 g. | Dallas Giants | Texas League | , | |
| Harry Barton | barton001har | 1907 | 4/24-9/14 | Trenton Tigers | Tri-State League | , | |
| James Barton | barton001jam | 1907 | 5/12-5/30 | Providence Grays | Eastern League | , | |
| James Barton | barton001jam | 1907 | 6/4-9/7 | Haverhill Hustlers | New England League | , | |
| Charlie Bartson | bartso001cha | 1907 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| James Baskette | 1907 | Chattanooga TN | Independent | , | |||
| James Baskette | 1907 | 6/24-7/2 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| James Baskette | 1907 | 7/9-7/17 | Greenville Mountaineers | South Carolina League | , | ||
| Jimmy Bass | bass--001jam | 1907 | NC | Independent | , | ||
| John Bassey | bassey001joh | 1907 | 162 g. | Portland Beavers | Pacific Coast League | , | |
| John Bassey | bassey001joh | 1907 | Oakland Oaks | Pacific Coast League | , | ||
| Bastian | 1907 | 7/29-9/8 | Allentown | Atlantic League | , | ||
| Herman Bastian | 1907 | Kerns NJ | Independent | , | |||
| Herman Bastian | 1907 | Newtown NJ | Independent | , | |||
| Ward Bastian | bastia001war | 1907 | 107 g. | Waterbury Authors | Connecticut State League | , | |
| Fred Bateman | batema001fre | 1907 | 4/19-6/3 | Roanoke Tigers | Virginia League | , | |
| Fred Bateman | batema001fre | 1907 | 6/12-6/22 | Richmond Colts | Virginia League | , | |
| Quait Bateman | batema002h-- | 1907 | 4/17-6/15 | Milwaukee Brewers | American Association | , | |
| Quait Bateman | batema002h-- | 1907 | 6/27-7/1 | Altoona Mountaineers | Tri-State League | , | |
| Bates | 1907 | 4 g. | Mobile Sea Gulls | Cotton States League | , | ||
| James Bates | bates-001jam | 1907 | +5/8-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| John/Jim Bates | 1907 | 56 g. | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Johnny Bates | bates-002joh | 1907 | 126 g. | Boston | National League | Boston, MA | |
| Roy Bates | bates-001roy | 1907 | +5/8-7/12+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Roy Bates | bates-001roy | 1907 | 8/16-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Jacob Bauer | bauer-001jac | 1907 | 4/17-6/8 | Sioux City Packers | Western League | , | |
| Jacob Bauer | bauer-001jac | 1907 | 6/11-9/15 | Ottumwa Packers | Iowa League | , | |
| Louis Bauer | 1907 | 94 g. | Alexandria White Sox | Gulf Coast League | , | ||
| Baum | 1907 | 5/25-9/7 | Fulton | Empire State League | , | ||
| Charles Baum | baum--002cha | 1907 | 5/2-9/14 | Altoona Mountaineers | Tri-State League | , | |
| Charles Baum | baum--002cha | 1907 | Sacramento Cordovas | California State League | , | ||
| Manfred Baum | 1907 | Ardmore OK | Independent | , | |||
| Manfred Baum | 1907 | 24 g. | Paris Athletics | North Texas League | , | ||
| Baumgartner | 1907 | 5/1- | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Charles Baumgartner | 1907 | -6/28 | 30 g. | Greenville Hunters | North Texas League | , | |
| Charles Baumgartner | 1907 | +7/7+ | 5 g. | Galveston Sand Crabs | Texas League | , | |
| Don Baumhart | 1907 | 5/26- | Guymon OK | Independent | , | ||
| Don Baumhart | 1907 | +8/19+ | Hutc.-Indep. | Independent | , | ||
| George Bausewine | bausew003geo | 1907 | 4/24-6/28 | Umpire | Tri-State League | , | |
| Baxter | 1907 | Opelousas Indians | Gulf Coast League | , | |||
| Baxter | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| Baxter | 1907 | Lake Charles Creoles | Gulf Coast League | , | |||
| Moose Baxter | baxter001joh | 1907 | 4/19-4/24 | St. Louis | National League | St. Louis, MO | |
| Moose Baxter | baxter001joh | 1907 | 4/29-9/14 | Montgomery Senators | Southern Association | , | |
| Percy Baxter | 1907 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |||
| Dick Bayless | bayles001har | 1907 | 5/2-9/22 | Wichita Jobbers | Western Association | , | |
| Harry Bayliss | 1907 | 5/25-5/31 | Oswego | Empire State League | , | ||
| Charles Baylor | 1907 | Coe College | College | , | |||
| Harry Beach | 1907 | Amherst College | College | , | |||
| Harry Beach | 1907 | 7/11-9/24 | Baltimore Orioles | Eastern League | , | ||
| Beams | 1907 | 5/4-5/25 | Newark | Atlantic League | , | ||
| Beams | 1907 | +7/11+ | Chatham NJ | Independent | , | ||
| Joe Bean | bean--001jos | 1907 | 4/25-9/22 | Jersey City Skeeters | Eastern League | , | |
| Bear | 1907 | 5/10-5/15 | Quincy Gems | Iowa League | , | ||
| Jimmy Beard | beard-001jam | 1907 | no g. | Newark Sailors | Eastern League | , | |
| Jimmy Beard | beard-001jam | 1907 | 5/7-6/16 | Reading | Atlantic League | , | |
| Jimmy Beard | beard-001jam | 1907 | 6/17-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Jimmy Beard | beard-001jam | 1907 | 7/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| John Beard | 1907 | +8/19+ | Coldwater MI | Independent | , | ||
| George Beardman | 1907 | 22 g. | Waterville | Maine State League | , | ||
| Charles Beasley | 1907 | 5/24-6/3 | Flint Vehicles | Southern Michigan League | , | ||
| Charles Beasley | 1907 | 6/7-6/8 | Battle Creek Crickets | Southern Michigan League | , | ||
| Frank Beatty | 1907 | 5/3-7/19 | Youngstown Champs | Ohio-Pennsylvania League | , | ||
| William Beauchamp | 1907 | 4/26-4/27 | Lawrence Colts | New England League | , | ||
| Charles Beaulow | 1907 | 136 g. | Evansville River Rats | Central League | , | ||
| Frank Beaumont | beaumo001fra | 1907 | 110 g. | Bridgeport Orators | Connecticut State League | , | |
| Ernest Bechtel | 1907 | 5/2-8/3+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Ernest Bechtel | 1907 | -9/14 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Beck | 1907 | 9/6 | Brooklyn | Atlantic League | , | ||
| Frederick Beck | beck--002fre | 1907 | 5/1-9/14 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Zinn Beck | 1907 | 6/20-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Lawrence Beckel | beckel001law | 1907 | 4/27-5/9 | Evansville River Rats | Central League | , | |
| Henry Beckendorf | becken001hen | 1907 | 5/14-9/20 | Scranton Miners | New York State League | , | |
| Beals Becker | becker001dav | 1907 | 5/7-9/22 | Wichita Jobbers | Western Association | , | |
| Edward Becker | 1907 | 8/6-9/22 | La Crosse Badgers | Wisconsin State League | , | ||
| Jesse Becker | 1907 | 4/9-9/12 | Atlanta Crackers | Southern Association | , | ||
| Karl Becker | 1907 | 5/7-6/6 | Ottumwa Packers | Iowa League | , | ||
| Karl Becker | 1907 | Newkirk OK | Independent | , | |||
| Walter Beckett | becker016--- | 1907 | +6/19+ | Laurel MD | , | ||
| Jake Beckley | beckle001jac | 1907 | 32 g. | St. Louis | National League | St. Louis, MO | |
| Jake Beckley | beckle001jac | 1907 | 6/22-9/16 | Kansas City Blues | American Association | , | |
| Frank Bedur | bedur-001ott | 1907 | +6/15+ | Canton Chinamen | Central League | , | |
| Frank Bedur | bedur-001ott | 1907 | +8/17-8/23+ | Umpire | Ohio-Pennsylvania League | , | |
| Roy Beecher | beeche001ler | 1907 | 5/1-9/15 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Roy Beecher | beeche001ler | 1907 | 9/29- | 2 g. | New York | National League | New York, NY |
| Jesse Beeker | 1907 | Atlanta Crackers | Southern Association | , | |||
| William Beeker | beeker001wil | 1907 | 4/13-9/12 | Shreveport Pirates | Southern Association | , | |
| Charles Behrendt | 1907 | 5/14-6/3 | Flint Vehicles | Southern Michigan League | , | ||
| Conrad Beisser | 1907 | 5/5-6/1 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Conrad Beisser | 1907 | 6/11-9/4 | Mattoon Giants | Eastern Illinois League | , | ||
| Billy Belden | belden001wil | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| Ira Belden | belden002ira | 1907 | 4/17-5/25 | Denver Grizzlies | Western League | , | |
| Ira Belden | belden002ira | 1907 | 6/1-9/15 | Pueblo Indians | Western League | , | |
| Bell | 1907 | 8 g. | Olean Refiners | Interstate League | , | ||
| Bell | 1907 | 6/20-6/22 | Chester/Tamaqua | Atlantic League | , | ||
| Bell | 1907 | 8/4 | Scottdale Giants | Western Pennsylvania League | , | ||
| George Bell | bell--002geo | 1907 | 4/17- | 35 g. | Brooklyn | National League | Brooklyn, NY |
| James? Bell | 1907 | 8/1-8/6 | Portsmouth Truckers | Virginia League | , | ||
| James? Bell | 1907 | 8/31 | Jacksonville Lunatics | Iowa League | , | ||
| Lynn Bell | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Theron Bell | bell--001t-- | 1907 | 130 g. | Fort Worth Panthers | Texas League | , | |
| Theron Bell | bell--001t-- | 1907 | Terrell Red Stockings | North Texas League | , | ||
| Bellamy | 1907 | 5/15 | Keokuk Indians | Iowa League | , | ||
| Bellerose | 1907 | 19 g. | New London Whalers | Connecticut State League | , | ||
| Bellinger | 1907 | 5/16-5/30 | Battle Creek Crickets | Southern Michigan League | , | ||
| Belmont | 1907 | +6/24-7/+ | , | ||||
| Frank Belt | belt--001fra | 1907 | 5/7-9/15 | Jacksonville Lunatics | Iowa League | , | |
| Charles Bemiss | bemis-001cha | 1907 | 5/2-9/22 | Oklahoma City Mets | Western Association | , | |
| Andrew Benbow | benbow001j-- | 1907 | 5/20-8/9 | Spartanburg Spartans | South Carolina League | , | |
| Charles Bender | bender001cha | 1907 | Philadelphia | American League | Philadelphia, PA | ||
| John Bender | bender001joh | 1907 | Wash. State U. | College | , | ||
| John Bender | bender001joh | 1907 | 6/5-6/14 | Pueblo Indians | Western League | , | |
| John Bender | bender001joh | 1907 | 6/26-7/27 | Spokane Indians | Northwestern League | , | |
| John Bender | bender001joh | 1907 | 38 g. | Portland Beavers | Pacific Coast League | , | |
| John Bender | bender001joh | 1907 | Wash. State U. | College | , | ||
| John Bender | bender002joh | 1907 | 4/8-9/4 | Augusta Tourists | South Atlantic League | , | |
| Bendt | 1907 | 7/27 | Oshkosh Indians | Wisconsin State League | , | ||
| Eugene Bene | bene--001eug | 1907 | Cahokia IL | Independent | , | ||
| Herman Benedix | 1907 | Enterprise KS | Independent | , | |||
| Bennett | 1907 | 7/12-7/22 | Easton | Atlantic League | , | ||
| Bennett | 1907 | 7/8-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Charles Bennett | 1907 | 5/17-6/1 | Easton | Atlantic League | , | ||
| Charles Bennett | 1907 | Vineland NJ | Independent | , | |||
| Charles Bennett | 1907 | 8/17- | Stroudsburg | Blue Mountain League | , | ||
| Fred Bennett | bennet002fre | 1907 | 4/20-5/5 | Sioux City Packers | Western League | , | |
| Fred Bennett | bennet002fre | 1907 | 5/15-9/13 | Quincy Gems | Iowa League | , | |
| Michael Bennett | bennet001m-- | 1907 | Mercersburg Acad | Academy | , | ||
| Pug Bennett | bennet001jus | 1907 | St. Louis | National League | St. Louis, MO | ||
| Simon Bennett | bennet001si- | 1907 | 88 g. | Edmonton Grays | Western Canada League | , | |
| William Bennett | 1907 | 5/4-5/31 | Newark | Atlantic League | , | ||
| William Bennett | 1907 | 7/7 | Newark | Atlantic League | , | ||
| William Bennett | 1907 | Vineland NJ | Independent | , | |||
| John Benny | benny-001joh | 1907 | 87 g. | Medicine Hat Hatters | Western Canada League | , | |
| John Benny | benny-001joh | 1907 | Charleston WV | , | |||
| Elmer Bensen | benson001elm | 1907 | 5/7-6/13 | Oskaloosa Quakers | Iowa League | , | |
| Elmer Bensen | benson001elm | 1907 | 6/15-9/14 | Shreveport Pirates | Southern Association | , | |
| Louis Bensley | 1907 | 5/14-9/21 | Bay City | Southern Michigan League | , | ||
| Benson | 1907 | 6/20-7/3 | Scottdale Giants | Western Pennsylvania League | , | ||
| Benson | 1907 | 7 g. | Punxsutawney Policemen | Interstate League | , | ||
| Benson | 1907 | 7/4 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Ross Benson | 1907 | Franklin Millionaires | Interstate League | , | |||
| William Bentley | bentle001wil | 1907 | 4/18-7/30 | Lynchburg Shoemakers | Virginia League | , | |
| Bergen | 1907 | 7/28 | Auburn | Empire State League | , | ||
| Bergen | 1907 | 8/31 | Lyons | Empire State League | , | ||
| Heinie Berger | berger001cha | 1907 | Cleveland | American League | Cleveland, OH | ||
| Joseph Berger | 1907 | 116 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Peter Bergheimer | 1907 | -9/14 | 67 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Frederick Bergman | 1907 | +5/9-6/22+ | 13 g. | Los Angeles Angels | Pacific Coast League | , | |
| Berker | 1907 | -9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Curt Bernard | bernar001cur | 1907 | 141 g. | Los Angeles Angels | Pacific Coast League | , | |
| Sam Bernard | bernar001sam | 1907 | 59 g. | Pine Tree | Maine State League | , | |
| Bill Bernhard | bernha001wil | 1907 | -9/27 | 8 g. | Cleveland | American League | Cleveland, OH |
| Bernhardt | 1907 | +7/12+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Bernstein | 1907 | 5/18-5/30 | Flint Vehicles | Southern Michigan League | , | ||
| Archibald Bero | bero--001arc | 1907 | 4/25-6/3 | Dayton Veterans | Central League | , | |
| Archibald Bero | bero--001arc | 1907 | 63 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Archibald Bero | bero--001arc | 1907 | -9/14 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Edward Berrigan | berrig001ed- | 1907 | 5/19-5/20 | Madison Senators | Wisconsin State League | , | |
| Claude Berry | berry-001cla | 1907 | 8 g. | Philadelphia | American League | Philadelphia, PA | |
| Claude Berry | berry-001cla | 1907 | 6/3-9/9 | Williamsport Millionaires | Tri-State League | , | |
| Harry Berry | berry-002har | 1907 | 5/13- | 48 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , |
| Joe Berry | berry-001jos | 1907 | 4/24-4/30 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Joe Berry | berry-001jos | 1907 | 5/7-8/16 | Elizabeth | Atlantic League | , | |
| Joe Berry | berry-001jos | 1907 | 8/22-9/6 | Reading | Atlantic League | , | |
| Bob Berryhill | berryh001rob | 1907 | 5/20-9/7+ | Newark Newks | Ohio-Pennsylvania League | , | |
| Harry Berte | berte-001har | 1907 | 5/7-9/15 | Jacksonville Lunatics | Iowa League | , | |
| Bertran | 1907 | 7/4 | Madison Senators | Wisconsin State League | , | ||
| James Bertrand | 1907 | 6/26-9/21 | Norfolk Tars | Virginia League | , | ||
| James Bertwhistle | bertwh001jam | 1907 | +6/30+ | Hoboken NJ | Independent | , | |
| James Bertwhistle | bertwh001jam | 1907 | 8/7-9/8 | Reading | Atlantic League | , | |
| Bob Bescher | besche001rob | 1907 | 4/25-6/21 | Dayton Veterans | Central League | , | |
| Bob Bescher | besche001rob | 1907 | 8/5-9/13 | Dayton Veterans | Central League | , | |
| Otto Besse | 1907 | Monroe Municipals | Gulf Coast League | , | |||
| Otto Besse | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| Frank Betcher | betche001fra | 1907 | 4/24-5/15 | Johnstown Johnnies | Tri-State League | , | |
| Frank Betcher | betche001fra | 1907 | 5/20-5/23 | Haverhill Hustlers | New England League | , | |
| Frank Betcher | betche001fra | 1907 | 1 g. | Riverton-Palmyra | Independent | , | |
| Frank Betcher | betche001fra | 1907 | 6/6-7/31 | Chester/Tamaqua | Atlantic League | , | |
| Frank Betcher | betche001fra | 1907 | 28 g. | New Haven Blues | Connecticut State League | , | |
| George Betscher | 1907 | 4/18-6/5 | Lynchburg Shoemakers | Virginia League | , | ||
| George Betscher | 1907 | 6/14-7/27 | Anderson Electricians | South Carolina League | , | ||
| George Betscher | 1907 | Chester PA | , | ||||
| Fred Betts | betts-001fre | 1907 | 5/9-9/22 | Albany Senators | New York State League | , | |
| Carlton Beusse | beusse001car | 1907 | no g. | Charleston Sea Gulls | South Atlantic League | , | |
| Carlton Beusse | beusse001car | 1907 | 4/25-5/11 | Norfolk Tars | Virginia League | , | |
| Carlton Beusse | beusse001car | 1907 | 5/20-7/26 | Orangeburg Edistoes | South Carolina League | , | |
| Fred Beusse | 1907 | 5/20-6/11 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Fred Beusse | 1907 | 6/12-8/9 | Orangeburg Edistoes | South Carolina League | , | ||
| Frank Bevan | 1907 | 6/22-6/28 | Pottsville | Atlantic League | , | ||
| Frank Bevan | 1907 | 7/2-7/12 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Lorenzo Bevan | 1907 | Ohio State Univ. | College | , | |||
| Lorenzo Bevan | 1907 | no g. | Shreveport Pirates | Southern Association | , | ||
| Lorenzo Bevan | 1907 | 5/1- | 7 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Frank? Bevens | 1907 | 7/23-8/10 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Beville | 1907 | 41 g. | Terrell Red Stockings | North Texas League | , | ||
| Monte Beville | bevill001hen | 1907 | 4/17-9/16 | Milwaukee Brewers | American Association | , | |
| Joseph Bewer | bewer-001jos | 1907 | 128 g. | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Bidding | 1907 | 6/26-7/4 | Green Bay Orphans | Wisconsin State League | , | ||
| Ed Biecher | bieche001ed- | 1907 | 5/5-6/21 | New Orleans Pelicans | Southern Association | , | |
| Ed Biecher | bieche001ed- | 1907 | Gulfport Crabs | 7d74a6ec | , | ||
| Ed Biecher | bieche001ed- | 1907 | 8/5 | New Orleans Pelicans | Southern Association | , | |
| Joseph Biehl | biehl-001jos | 1907 | 5/8-9/8 | Reading | Atlantic League | , | |
| William Biel | 1907 | 6/17-6/22 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| William Bierhalter | 1907 | 6/21-8/20 | Umpire | New York State League | , | ||
| John Bierkotte | 1907 | 4/8-9/3 | Jacksonville Jays | South Atlantic League | , | ||
| Fred Bierman | bierma001fre | 1907 | 4/8-9/4 | Augusta Tourists | South Atlantic League | , | |
| Clarence Biersdorfer | 1907 | 33 g. | Dallas Giants | Texas League | , | ||
| Albert Biery | biery-001rob | 1907 | 5/1-9/28 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Henry Bies | 1907 | 4/21-4/30 | Denver Grizzlies | Western League | , | ||
| Henry Bies | 1907 | Memphis WI | Independent | , | |||
| Henry Bies | 1907 | +6/23+ | Menasha | Fox River League | , | ||
| Frank Bigbie | bigbie001fra | 1907 | 138 g. | Waco Navigators | Texas League | , | |
| George Bigbie | bigbie001geo | 1907 | Oakland Oaks | Pacific Coast League | , | ||
| Biggins | 1907 | Rochester Bronchos | Eastern League | , | |||
| Biggs | 1907 | Stroudsburg | Blue Mountain League | , | |||
| Biggs | 1907 | 8/30 | Marshalltown Snappers | Iowa League | , | ||
| Billadeau | 1907 | +6/4+ | W.Manchester | New Hampshire State League | , | ||
| Harry Billett | billet001har | 1907 | 4/26- | Lawrence Colts | New England League | , | |
| Harry Billett | billet001har | 1907 | -9/7 | Haverhill Hustlers | New England League | , | |
| Harry Billiard | billia001har | 1907 | 57 g. | Meridian Ribboners | Cotton States League | , | |
| Joseph Bills | bills-001jos | 1907 | 4/12-9/12 | Memphis Egyptians | Southern Association | , | |
| Charles Bird | bird--001cha | 1907 | 5/4-8/13 | Allentown | Atlantic League | , | |
| Joe Birmingham | birmin001jos | 1907 | Cleveland | American League | Cleveland, OH | ||
| Mike Birmingham | birmin001mic | 1907 | 4/26-4/30 | Lynn Shoemakers | New England League | , | |
| Mike Birmingham | birmin001mic | 1907 | 4 g. | Waterville | Maine State League | , | |
| Mike Birmingham | birmin001mic | 1907 | 6/21-8/22 | Keokuk Indians | Iowa League | , | |
| William Birmingham | 1907 | 5/1-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Bishop | 1907 | 7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Charles Bishop | bishop002cha | 1907 | 4/13-6/22 | Vicksburg Hill Billies | Cotton States League | , | |
| Charles Bishop | bishop002cha | 1907 | 7/1-8/22+ | Columbus Discoverers | Cotton States League | , | |
| Charles Bishop | bishop002cha | 1907 | 9/12-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| Titus Bissell | 1907 | +3/24+ | Clemson Univ. | College | , | ||
| Titus Bissell | 1907 | 6/12-8/1 | Spartanburg Spartans | South Carolina League | , | ||
| Wilbert Bissell | bissel001wil | 1907 | no g. | Sharon Giants | Ohio-Pennsylvania League | , | |
| Wilbert Bissell | bissel001wil | 1907 | 5/2-6/11 | Beaver Falls Beavers | Western Pennsylvania League | , | |
| Wilbert Bissell | bissel001wil | 1907 | 6/18-7/9 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Bitting | 1907 | 25 g. | Houghton Giants | Northern-Copper Country League | , | ||
| George Bittrolff | bittro001geo | 1907 | 5/2- | 35 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , |
| Black | 1907 | 24 g. | Keokuk Indians | Iowa League | , | ||
| Black | 1907 | 7/21-7/29 | Providence Grays | Eastern League | , | ||
| Cyrus Black | black-001cyr | 1907 | 5/7-6/2 | Keokuk Indians | Iowa League | , | |
| Harry Black | black-001har | 1907 | Gloucester NJ | Independent | , | ||
| Robert Black | black-003rob | 1907 | 5/1- | Umpire | Pennsylvania-Ohio-Maryland League | , | |
| Robert Black | 1907 | 5/4-6/4 | Easton | Atlantic League | , | ||
| Robert Black | 1907 | 6/7-6/8 | Lawrence Colts | New England League | , | ||
| Charles Blackburn | blackb001cha | 1907 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| George Blackburn | blackb001geo | 1907 | 4/11-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| Herschel Blackburn | blackb001hen | 1907 | no g. | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Joe Blackburn | blackb002r-- | 1907 | 4/11-9/18 | Jackson Senators | Cotton States League | , | |
| Lena Blackburne | blackb002rus | 1907 | Riverside PA | Independent | , | ||
| Guy Blair | blair-001guy | 1907 | 5/14-9/21 | Bay City | Southern Michigan League | , | |
| Walter Blair | blair-001wal | 1907 | 4/24-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Walter Blair | blair-001wal | 1907 | 9/17-9/29 | New York | American League | New York, NY | |
| Blake | 1907 | 5/14 | Jersey City Skeeters | Eastern League | , | ||
| Blake | 1907 | 6/29-9/8 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Blake | 1907 | Dixon IL | Independent | , | |||
| Blake | 1907 | 7/31-8/1 | Eau Claire Tigers | Wisconsin State League | , | ||
| Bill Blake | blake-001wil | 1907 | Macon Brigands | South Atlantic League | , | ||
| Bill Blake | blake-001wil | 1907 | 4/25-9/15 | Evansville River Rats | Central League | , | |
| Harry Blake | blake-001har | 1907 | , | ||||
| James Blake | 1907 | Bucknell Univ. | College | , | |||
| James Blake | 1907 | -9/15 | 17 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| James Blake | 1907 | Bucknell Univ. | College | , | |||
| William Blake | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | ||
| John Blakeney | 1907 | 41 g. | Temple Boll Weevils | Texas League | , | ||
| John Blakeney | 1907 | Houston Buffaloes | Texas League | , | |||
| Blamer | 1907 | 5/11 | Newark | Atlantic League | , | ||
| Foster Blanchard | blanch001fos | 1907 | -9/13 | 5 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| Ben Blanchette | blanch001ben | 1907 | 103 g. | Opelousas Indians | Gulf Coast League | , | |
| Walter Blanchfield | 1907 | 34 g. | Opelousas Indians | Gulf Coast League | , | ||
| Walter Blanchfield | 1907 | Lake Charles Creoles | Gulf Coast League | , | |||
| Blankenbacker | blanke005--- | 1907 | Marion Owls | Independent | , | ||
| Ross Blanton | 1907 | 5/20-7/27 | Anderson Electricians | South Carolina League | , | ||
| Alfred Blatchford | blatch001alf | 1907 | Lowell Tigers | New England League | , | ||
| Ray Blausser | 1907 | 5/2-8/8 | Webb City Goldbugs | Western Association | , | ||
| Roy Blausser | 1907 | 8/16-8/27 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Roy Blausser | 1907 | 8/30-9/15 | Marshalltown Snappers | Iowa League | , | ||
| Theodore Blexrud | blexru001mel | 1907 | 67 g. | Edmonton Grays | Western Canada League | , | |
| J. G. Bligh | 1907 | 4/25- | Umpire | Connecticut State League | , | ||
| J. G. Bligh | 1907 | 6/12-7/4 | Umpire | New York State League | , | ||
| Elmer Bliss | bliss-001elm | 1907 | 4/26-9/15 | Grand Rapids Wolverines | Central League | , | |
| Bruno Block | block-001jam | 1907 | 54 g. | Galveston Sand Crabs | Texas League | , | |
| Bruno Block | block-001jam | 1907 | 8/5- | 24 g. | Washington | American League | Washington, DC |
| Blodgett | blodge002--- | 1907 | 9/2-9/15 | Bay City | Southern Michigan League | , | |
| Roy Blosser | 1907 | 5/12-9/27 | Taylorville Tailors | Eastern Illinois League | , | ||
| Blough | 1907 | Kane Mountaineers | Interstate League | , | |||
| Albert Blough | blough000as- | 1907 | Hartford Senators | Connecticut State League | , | ||
| Albert Blough | blough000as- | 1907 | no g. | Lancaster Red Roses | Tri-State League | , | |
| Alfred Blough | 1907 | 7/22-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| J. A. Blough | 1907 | 4/29-6/6 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Curley Blount | blount001iow | 1907 | 5/1-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Bert Blue | blue--001bir | 1907 | 4/17-9/15 | Columbus Senators | American Association | , | |
| James Bluejacket | 1907 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |||
| James Bluejacket | 1907 | Pittsfield IL | Independent | , | |||
| George Boardman | boardm001geo | 1907 | 25 g. | Lewiston | Maine State League | , | |
| George Boardman | boardm001geo | 1907 | 7/25-9/7 | Haverhill Hustlers | New England League | , | |
| Oscar Bockewitz | 1907 | 5/9 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Oscar Bockewitz | 1907 | 5/16-6/4 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Oscar Bockewitz | 1907 | +8/4+ | Harvel IL | Independent | , | ||
| Oscar Boettiger | boetti001osc | 1907 | , | ||||
| Richard Boettiger | boetti001ric | 1907 | 65 g. | Aberdeen Black Cats | Northwestern League | , | |
| Luke Bohannon | bohann001l-- | 1907 | no g. | Evansville River Rats | Central League | , | |
| Luke Bohannon | bohann001l-- | 1907 | 4/8-6/7 | Augusta Tourists | South Atlantic League | , | |
| Luke Bohannon | bohann001l-- | 1907 | 6/16-6/30 | Denver Grizzlies | Western League | , | |
| Patrick Bohannon | bohann001pat | 1907 | 4/17-9/15 | Denver Grizzlies | Western League | , | |
| George Boice | 1907 | 5/12-9/8 | Newark | Atlantic League | , | ||
| Patrick Boland | boland001pat | 1907 | 6/24-9/6 | Lyons | Empire State League | , | |
| Walter Boles | boles-001wal | 1907 | +4/25+ | Washburn College | College | , | |
| Walter Boles | boles-001wal | 1907 | 5/10-6/14 | Topeka White Sox | Western Association | , | |
| Walter Boles | boles-001wal | 1907 | 81 g. | Fort Worth Panthers | Texas League | , | |
| Walter Boles | boles-001wal | 1907 | 9/9-9/22 | Topeka White Sox | Western Association | , | |
| Walter Boles | boles-001wal | 1907 | Washburn College | College | , | ||
| John Bolin | bolin-003joh | 1907 | 5/28 | Toledo Mud Hens | American Association | , | |
| John Bolin | bolin-003joh | 1907 | 6/12-6/28 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| John Bolin | bolin-003joh | 1907 | Gulfport Crabs | Cotton States League | , | ||
| Bolinsky | 1907 | 9/5-9/6 | South Bend Greens | Central League | , | ||
| Charles Bomar | bomar-001cha | 1907 | 5/1-9/13 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Carl Bond | bond--001car | 1907 | 5/9-9/16 | La Crosse Badgers | Wisconsin State League | , | |
| Harold Bond | bond--001har | 1907 | Minneapolis Millers | American Association | , | ||
| Harold Bond | bond--001har | 1907 | Saskatoon CAN | Independent | , | ||
| Joe Bond | bond--000joe | 1907 | 6 g. | Greenville Hunters | North Texas League | , | |
| Joe Bond | bond--000joe | 1907 | +5/16-5/17+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Joe Bond | bond--000joe | 1907 | +5/26+ | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Doug Bonham | bonham000--- | 1907 | 6/17-6/20 | Geneva | Empire State League | , | |
| Jack Bonner | bonner001joh | 1907 | 4/24-6/25 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Jack Bonner | bonner001joh | 1907 | 7/6-8/7 | Altoona Mountaineers | Tri-State League | , | |
| Jack Bonner | bonner001joh | 1907 | Tyrone | Blue Mountain League | , | ||
| Joseph Bonner | 1907 | Catasauqua PA | Independent | , | |||
| Gus Bonno | bonno-001gus | 1907 | no g. | Washington | American League | Washington, DC | |
| Gus Bonno | bonno-001gus | 1907 | Big Stone Gap | Coal Fields | , | ||
| Gus Bonno | bonno-001gus | 1907 | Lockland-Careys | Cincinnati Saturday League | , | ||
| Vance Booher | 1907 | Wash. & Jefferso | College | , | |||
| Vance Booher | 1907 | Berkeley Spri WV | Independent | , | |||
| George Booth | booth-001geo | 1907 | 5/15-5/19 | Albany Senators | New York State League | , | |
| Orville Boothby | 1907 | 4 g. | Biddeford | Maine State League | , | ||
| Bordeaux | 1907 | 56 g. | Lafayette Browns | Gulf Coast League | , | ||
| Stanley Borleske | 1907-08 | Whitman College | College | , | |||
| Henry Bosse | 1907 | 5/1-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Billy Bottenus | botten001wil | 1907 | 5/1- | 13 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , |
| Alexander Boucher | bouche001ale | 1907 | 124 g. | Holyoke Papermakers | Connecticut State League | , | |
| John Bouckart | 1907 | 5/16-5/18 | Jackson Convicts | Southern Michigan League | , | ||
| John Bouckart | 1907 | 7/4-7/24 | Mount Clemens Bathers | Southern Michigan League | , | ||
| John Bouckart | 1907 | 7/29-7/30 | Tecumseh | Southern Michigan League | , | ||
| John Bouckart | 1907 | 8/21-9/22 | Flint Vehicles | Southern Michigan League | , | ||
| Boulden | 1907 | 8/13-8/14 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Jim Bouldin | bouldi001jam | 1907 | Keokuk Indians | Iowa League | , | ||
| Jim Bouldin | bouldi001jam | 1907 | El Reno | Independent | , | ||
| Jake Boultes | boulte001jac | 1907 | 4/18 - | 29 g. | Boston | National League | Boston, MA |
| Victor Bourdon | bosler001edw | 1907 | 5/24-7/18 | Geneva | Empire State League | , | |
| Victor Bourdon | bosler001edw | 1907 | Canadaigua NY | Independent | , | ||
| Art Bourgeois | bourge001art | 1907 | 5/13-9/16 | Oshkosh Indians | Wisconsin State League | , | |
| Bouvier | 1907 | 46 g. | Lewiston | Maine State League | , | ||
| Benny Bowcock | bowcoc001ben | 1907 | 4/12-9/14 | Little Rock Travelers | Southern Association | , | |
| Andrew Bowen | bowen-001and | 1907 | 4/18-9/21 | Lynchburg Shoemakers | Virginia League | , | |
| Charley Bowen | 1907 | 4/27- | 11 g. | Brockton Tigers | New England League | , | |
| Charley Bowen | 1907 | -7/27 | Lowell Tigers | New England League | , | ||
| Cy Bowen | bowen-001sut | 1907 | 5/15-6/28 | Binghamton Bingoes | New York State League | , | |
| Cy Bowen | bowen-001sut | 1907 | 7/20-9/21 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| John Bowen | 1907 | 4/18-6/20 | Danville Red Sox | Virginia League | , | ||
| John Bowen | 1907 | 7/2-7/13 | Orangeburg Edistoes | South Carolina League | , | ||
| John Bowen | 1907 | 7/15-8/3 | Richmond Colts | Virginia League | , | ||
| Frank Bowerman | bowerm001fra | 1907 | 96 g. | New York | National League | New York, NY | |
| Bowers | 1907 | 7/2 | Reading | Atlantic League | , | ||
| George Bowers | bowers001geo | 1907 | Blue Mountain League | , | |||
| George Bowers | bowers001geo | 1907 | 8/28-9/8 | Pottsville | Atlantic League | , | |
| Rube Bowers | bowers001d-- | 1907 | 5/11-9/21 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Rube Bowers | bowers001d-- | 1907 | 9/8 | Toledo Mud Hens | American Association | , | |
| Goldie Bowler | bowler001p-- | 1907 | +5/14-6/ | Springfield Ponies | Connecticut State League | , | |
| Morgan Bowman | 1907 | 5 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Red Bowser | bowser001jam | 1907 | no g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Red Bowser | bowser001jam | 1907 | 5/1-8/24 | Greensburg Red Sox | Western Pennsylvania League | , | |
| James Boyd | 1907 | 4/11-9/4+ | Mobile Sea Gulls | Cotton States League | , | ||
| Ray Boyd | boyd--002ray | 1907 | 7/19-9/14 | Keokuk Indians | Iowa League | , | |
| William Boyd | 1907 | Phil.-Pros | Independent | , | |||
| William Boyd | 1907 | 7/21-7/26 | Pottsville | Atlantic League | , | ||
| Boylan | 1907 | Medicine Hat Hatters | Western Canada League | , | |||
| Boylan | 1907 | Lethbridge Miners | Western Canada League | , | |||
| Edward Boyle | 1907 | 6/13-6/17 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Edward Boyle | 1907 | 6/18-6/23 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Edward Boyle | 1907 | 6/30-9/16 | Green Bay Orphans | Wisconsin State League | , | ||
| Frank Boyle | boyle-001fra | 1907 | Waterloo Cubs | Iowa League | , | ||
| Frederick Boyle | boyle-001f-- | 1907 | 18 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Frederick Boyle | boyle-001f-- | 1907 | 9/14-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Grover Boyle | boyle-001gro | 1907 | Seat.-Printers | Independent | , | ||
| Grover Boyle | boyle-001gro | 1907 | 9/12-10/1 | Vancouver Canucks | Northwestern League | , | |
| Joseph Boyle | 1907 | 5/1- | 70 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Walter Boyson | boyson000wal | 1907 | 6/13- | Brockton Tigers | New England League | , | |
| Walter Boyson | boyson000wal | 1907 | +6/19+ | Lowell Tigers | New England League | , | |
| Walter Boyson | boyson000wal | 1907 | +7/1-7/27 | Worcester Busters | New England League | , | |
| Brabic | 1907 | 6/10-6/17 | Greenville Mountaineers | South Carolina League | , | ||
| Brace | 1907 | 5/18,6/11 | Flint Vehicles | Southern Michigan League | , | ||
| Jack Bracken | bracke001joh | 1907 | Cuyahoga Falls OH | Independent | , | ||
| John Brackenridge | bracke002joh | 1907 | 5/1-9/20 | Akron Champs | Ohio-Pennsylvania League | , | |
| Harry Bradbury | 1907 | 5/12-8/16+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Harry Bradbury | 1907 | +5/23+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Braddock | 1907 | +5/24+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Ernest Bradley | bradle001ern | 1907 | 82 g. | Austin Senators | Texas League | , | |
| Father Bradley | 1907 | 5/8-5/17+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Hugh Bradley | 1907 | 4/26-9/7 | Worcester Busters | New England League | , | ||
| James Bradley | bradle001jam | 1907 | 5/7-9/15 | Ottumwa Packers | Iowa League | , | |
| John Bradley | 1907 | 5/14-8/9 | Bay City | Southern Michigan League | , | ||
| John Bradley | 1907 | 8/13-9/22 | Tecumseh | Southern Michigan League | , | ||
| Bradsford | 1907 | 4/11 | Montgomery Senators | Southern Association | , | ||
| Brady | 1907 | 51 g. | Wausau Lumberjacks | Wisconsin State League | , | ||
| Brady | 1907 | -5/31 | Umpire | Cotton States League | , | ||
| Brady | 1907 | 7/11-9/4 | Umpire | South Atlantic League | , | ||
| Brady | 1907 | 8/19-8/24 | Lyons | Empire State League | , | ||
| Brady | 1907 | Tama-Nesquehoning | Independent | , | |||
| Brady | 1907 | 8/1-9/8 | Reading | Atlantic League | , | ||
| Frank Brady | brady-001fra | 1907 | 7/17 | Evansville River Rats | Central League | , | |
| J. J. Brady | 1907 | 4/11-6/6 | Umpire | Cotton States League | , | ||
| J. J. Brady | 1907 | 7/11-8/10 | Umpire | South Carolina League | , | ||
| King Brady | brady-005jam | 1907 | 1 g. | Pittsburgh | National League | Pittsburgh, PA | |
| King Brady | brady-005jam | 1907 | 6/15-9/13 | Johnstown Johnnies | Tri-State League | , | |
| Louis Brahic | brahic000dic | 1907 | Augusta | , | |||
| Charles Brand | 1907 | +5/19+ | Buff.-PineRidge | Independent | , | ||
| Charles Brand | 1907 | 6/10-8/26 | Auburn | Empire State League | , | ||
| Charles Brand | 1907 | 27 g. | Wilkes-Barre Barons | New York State League | , | ||
| William Brand | 1907 | 40 g. | Houghton Giants | Northern-Copper Country League | , | ||
| Chick Brandom | brando001che | 1907 | +5/18-7/22 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Chick Brandom | brando001che | 1907 | 7/25-9/15 | Kansas City Blues | American Association | , | |
| Brandt | 1907 | 6/25-7/1 | Keokuk Indians | Iowa League | , | ||
| Charles Brandt | 1907 | 8/27-9/20 | Wilkes-Barre Barons | New York State League | , | ||
| Thomas Brannick | 1907 | 6/9-9/19 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Kitty Brashear | brashe001nor | 1907 | Los Angeles Angels | Pacific Coast League | , | ||
| Roy Brashear | brashe002roy | 1907 | 4/17-9/15 | Louisville Colonels | American Association | , | |
| Carl Braun | 1907 | 99 g. | Alexandria White Sox | Gulf Coast League | , | ||
| Silver Braun | braun-005wil | 1907 | 99 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Otis Brazell | brazze001oti | 1907 | 4/12-4/27 | Columbus Discoverers | Cotton States League | , | |
| Otis Brazell | brazze001oti | 1907 | 36 g. | Monroe Municipals | Gulf Coast League | , | |
| Breckbill | 1907 | 5/3-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Breckbill | 1907 | 5/30-6/5 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Edwin Breckenridge | brecke002edw | 1907-11 | Amherst College | College | , | ||
| Herbert Bredenhagen | 1907 | 5/9-9/22 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Oscar Breeding | 1907 | 100 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Oscar Breeding | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| Henry Breen | 1907 | 47 g. | Lewiston | Maine State League | , | ||
| Henry Breen | 1907 | 27 g. | Portland Blue Sox | Maine State League | , | ||
| Jimmie Breen | breen-002jam | 1907 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Richard Breen | 1907 | 5/1-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | ||
| Sylvester Breen | 1907 | Ashland OH | Independent | , | |||
| Bill Breitenstein | breite001wil | 1907 | 5/13-6/22 | Springfield Babes | Central League | , | |
| Bill Breitenstein | breite001wil | 1907 | 6/28-8/5 | Evansville River Rats | Central League | , | |
| Bill Breitenstein | breite001wil | 1907 | 8/17-9/8 | Dayton Veterans | Central League | , | |
| Theodore Breitenstein | breite001the | 1907 | 5/5- 9/14 | New Orleans Pelicans | Southern Association | , | |
| Brennan | 1907 | 11 g. | Mobile Sea Gulls | Cotton States League | , | ||
| Brennan | 1907 | 8/23 | Williamsport Millionaires | Tri-State League | , | ||
| Edmund Brennan | 1907 | 5/6-5/17 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Edmund Brennan | 1907 | St.L.-Nadjas | Independent | , | |||
| Edmund Brennan | 1907 | +7/18-7/23+ | Springfield Midgets | Western Association | , | ||
| Edmund Brennan | 1907 | +8/28-9/18 | Topeka White Sox | Western Association | , | ||
| James Brennan | 1907 | 4/26-5/29 | Harrisburg Senators | Tri-State League | , | ||
| John Brennan | brenna002joh | 1907 | 5/9-5/16 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| John Brennan | brenna002joh | 1907 | 5/19-9/29 | Taylorville Tailors | Eastern Illinois League | , | |
| John Brennan | 1907 | 4/26- | 64 g. | Lawrence Colts | New England League | , | |
| John Brennan | 1907 | Lowell Tigers | New England League | , | |||
| John Brennan | 1907 | -8/20 | Haverhill Hustlers | New England League | , | ||
| John Brennan | 1907 | 7/24-8/10 | Pottsville | Atlantic League | , | ||
| John Brennan | 1907 | 8/11 | Reading | Atlantic League | , | ||
| Raymond Brennan | 1907 | Geo. Washington | College | , | |||
| Raymond Brennan | 1907 | 6/3-6/4 | Columbia Gamecocks | South Atlantic League | , | ||
| William Brennan | 1907 | 4/17-9/15 | Umpire | Western League | , | ||
| Brent | brent-007--- | 1907 | 5/1-6/12 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Brent | brent-007--- | 1907 | +6/19- | 74 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , |
| Brent | brent-007--- | 1907 | 8/20-9/8 | Reading | Atlantic League | , | |
| John Bresnahan | 1907 | 7/9 | Fall River Indians | New England League | , | ||
| Rube Bressler | bressl001har | 1907 | 4/29-5/14 | Williamsport Millionaires | Tri-State League | , | |
| Rube Bressler | bressl001har | 1907 | 7/14-9/7 | Sioux City Packers | Western League | , | |
| Mike Breyette | breyet001mic | 1907 | 4/11-9/4+ | Mobile Sea Gulls | Cotton States League | , | |
| Harry Breymaier | 1907 | 5/1-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Brice | 1907 | 7/24-8/6 | Oshkosh Indians | Wisconsin State League | , | ||
| John Brickett | 1907 | Mobile Sea Gulls | Cotton States League | , | |||
| John Brickett | 1907 | 6/22-6/25 | Vicksburg Hill Billies | Cotton States League | , | ||
| Bridge | 1907 | 5/14 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Edward Bridges | bridge001edw | 1907 | New Haven Blues | Connecticut State League | , | ||
| Fred Bridges | bridge001fre | 1907 | preseason | Lincoln Treeplanters | Western League | , | |
| Fred Bridges | bridge001fre | 1907 | 5/22-6/29 | Waterloo Cubs | Iowa League | , | |
| Marvin Bridges | bridge002mar | 1907 | no g. | Toronto Maple Leafs | Eastern League | , | |
| Marvin Bridges | bridge002mar | 1907 | +5/30-6/7+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Marvin Bridges | bridge002mar | 1907 | 5 g. | Fort Worth Panthers | Texas League | , | |
| Marvin Bridges | bridge002mar | 1907 | 6/12-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Marvin Bridges | bridge002mar | 1907 | 7/24-9/12 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Thomas Bridges | 1907 | , | |||||
| Brierly | 1907 | 8 g. | Fort Worth Panthers | Texas League | , | ||
| Joseph Briger | 1907 | 5/16-9/21 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Briggs | 1907 | 8/22-8/24 | Oshkosh Indians | Wisconsin State League | , | ||
| Buttons Briggs | briggs001her | 1907 | 4/19-9/13 | Indianapolis Indians | American Association | , | |
| Joseph Briggs | briggs002jos | 1907 | 4/26- | Lawrence Colts | New England League | , | |
| Joseph Briggs | briggs002jos | 1907 | -9/7 | Haverhill Hustlers | New England League | , | |
| Ollie Bright | bright008--- | 1907 | Emporia State U. | College | , | ||
| William Brinker | brinke001wil | 1907 | 57 g. | Aberdeen Black Cats | Northwestern League | , | |
| Paul Brinson | 1907 | 8/24 | Charleston Sea Gulls | South Atlantic League | , | ||
| Ollie Brinton/Britton | 1907 | Reading | Atlantic League | , | |||
| Frank Brisbine | brisbi001fra | 1907 | 5/1- | 32 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| Albert Briseno | brisen001alb | 1907 | 148 g. | Tacoma Tigers | Northwestern League | , | |
| Joseph Briskey | briske001jos | 1907 | 18 g. | Houston Buffaloes | Texas League | , | |
| Joseph Briskey | briske001jos | 1907 | 6/1-8/31 | Savannah Indians | South Atlantic League | , | |
| George Bristow | bristo002geo | 1907 | 6/4-10/6 | Umpire | Northwestern League | , | |
| Arlington Britton | 1907 | 5/7-9/7 | Reading | Atlantic League | , | ||
| William Brittsan | britts001w-- | 1907 | 4/27-9/8 | Canton Chinamen | Central League | , | |
| King Brockett | brocke001lew | 1907 | 4/13- | 8 g. | New York | American League | New York, NY |
| King Brockett | brocke001lew | 1907 | 7/4-9/21 | Montreal Royals | Eastern League | , | |
| Matt Broderick | broder001mat | 1907 | 5/1- | 16 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Matt Broderick | broder001mat | 1907 | 6/11-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Steve Brodie | brodie001wal | 1907 | 4/24-5/14 | Trenton Tigers | Tri-State League | , | |
| Steve Brodie | brodie001wal | 1907 | 6/25-6/27 | Birmingham Barons | Southern Association | , | |
| Steve Brodie | brodie001wal | 1907 | +9/14+ | Roanoke Tigers | Virginia League | , | |
| Jimmy Brogan | 1907 | +7/16+ | Waterbury Authors | Connecticut State League | , | ||
| Jimmy Brogan | 1907 | 9/5-9/8 | Pottsville | Atlantic League | , | ||
| Brokow | 1907 | 8/26 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| James Broman | 1907 | 5/3 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| James Broman | 1907 | +6/8+ | Pitt.-Elliott | Independent | , | ||
| Chas. Bronkie | 1907 | 77 g. | Waterbury Authors | Connecticut State League | , | ||
| Virgil Brookbanks | 1907 | Kalamazoo White Sox | Southern Michigan League | , | |||
| Virgil Brookbanks | 1907 | 7/23-7/26 | Greenville Mountaineers | South Carolina League | , | ||
| Richard Brookins | 1907 | 5/9-6/13 | Green Bay Orphans | Wisconsin State League | , | ||
| Richard Brookins | 1907 | 7/9- | 48 g. | Houghton Giants | Northern-Copper Country League | , | |
| Brookmiller | 1907 | +6/4+ | McKeesp-Ushers | Independent | , | ||
| Brookmiller | 1907 | 5/2- | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Brooks | 1907 | 9/2 | Johnstown Johnnies | Tri-State League | , | ||
| George Brooks | brooks001geo | 1907 | Hartford Senators | Connecticut State League | , | ||
| Joseph Brophy | 1907 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Brosius | 1907 | 5 g. | Greenville Hunters | North Texas League | , | ||
| Michael Brosius | 1907 | 4/30-9/11 | Terre Haute Hottentots | Central League | , | ||
| Felix Broussard | 1907 | 43 g. | Lafayette Browns | Gulf Coast League | , | ||
| Art Brouthers | brouth001art | 1907 | 4/10-5/7 | New Orleans Pelicans | Southern Association | , | |
| Art Brouthers | brouth001art | 1907 | 5/16-9/12 | Johnstown Johnnies | Tri-State League | , | |
| Brower | 1907 | 8/3 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Brown | 1907 | 5/4-5/11 | Norfolk Tars | Virginia League | , | ||
| Brown | 1907 | 5/7-5/15 | Easton | Atlantic League | , | ||
| Brown | 1907 | 5/25 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Brown | 1907 | 5/22-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Brown | 1907 | 5/28-5/30 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Brown | 1907 | 6/25-7/2 | Allentown | Atlantic League | , | ||
| Arthur Brown | brown-002art | 1907 | 4/24-9/24 | Montreal Royals | Eastern League | , | |
| Bert Brown | 1907 | 5/12-6/3 | Taylorville Tailors | Eastern Illinois League | , | ||
| Bob Brown | brown-027rob | 1907 | 132 g. | Aberdeen Black Cats | Northwestern League | , | |
| Buster Brown | brown-008cha | 1907 | 9 g. | St. Louis | National League | St. Louis, MO | |
| Buster Brown | brown-008cha | 1907 | 21 g. | Philadelphia | National League | Philadelphia, PA | |
| Charles Brown | brown-014cha | 1907 | 5/1-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Dick Brown | brown-001ric | 1907 | 5/2-9/6+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| E. S. Brown | 1907 | Cornell Univ | College | , | |||
| Gideon Brown | brown-001gid | 1907 | 5/15 | Albany Senators | New York State League | , | |
| Gideon Brown | brown-001gid | 1907 | 6/10-6/22 | Newark | Atlantic League | , | |
| Gideon Brown | brown-001gid | 1907 | +7/17+ | 25 g. | New Haven Blues | Connecticut State League | , |
| James Brown | brown-003jam | 1907 | +5/14+ | 22 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| James Brown | brown-003jam | 1907 | +7/22-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Loren Brown | brown-001lor | 1907 | 17 g. | Paris Athletics | North Texas League | , | |
| Neil Brown | 1907 | Hazleton PA | Independent | , | |||
| Neil Brown | 1907 | 6/4 | Pottsville | Atlantic League | , | ||
| Neil Brown | 1907 | 8/2-9/8 | Reading | Atlantic League | , | ||
| Nicol Brown | brown-001dru | 1907 | 5/2-9/15 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Rollo Brown | brown-003rol | 1907 | 5/1-6/14 | Lynn Shoemakers | New England League | , | |
| Rollo Brown | brown-003rol | 1907 | 79 g. | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Sam Brown | brown-003sam | 1907 | - 10/5 | 70 g. | Boston | National League | Boston, MA |
| Stub Brown | brown-001stu | 1907 | 10 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Tom Brown | brown-012tho | 1907 | Univ. Virginia | College | , | ||
| Tom Brown | brown-012tho | 1907 | 7/3-9/14 | Umpire | Tri-State League | , | |
| Tom Brown | brown-012tho | 1907 | 9/- | 12 g. | MLB Umpire | American League | , |
| William Brown | 1907 | 6/27 | New Bedford Whalers | New England League | , | ||
| Frank Browning | browni001fra | 1907 | 46 g. | Waco Navigators | Texas League | , | |
| Lou Bruce | bruce-001lou | 1907 | 5/9-7/9 | Binghamton Bingoes | New York State League | , | |
| Frank Bruggeman | brugge001fra | 1907 | 5/7-9/15 | Burlington Pathfinders | Iowa League | , | |
| Claude Brumley | 1907 | Wellington KS | Independent | , | |||
| Will Bruner | bruner003wil | 1907 | 4/11-9/12+ | Mobile Sea Gulls | Cotton States League | , | |
| Brunnell | 1907 | +5/8+ | Everette MI | Independent | , | ||
| Brush | 1907 | 7/22 | Oshkosh Indians | Wisconsin State League | , | ||
| Bob Brush | brush-001rob | 1907 | 4/20-4/23 | Boston | National League | Boston, MA | |
| Ed Bruyette | bruyet001edw | 1907 | 120 g. | Butte Miners | Northwestern League | , | |
| Ed Bruyette | bruyet001edw | 1907 | Seattle Siwashes | Northwestern League | , | ||
| Bryan | 1907 | 7/16 | Eau Claire Tigers | Wisconsin State League | , | ||
| Henry Bryant | bryant001low | 1907 | 5/6-9/6+ lhp | Gulfport Crabs | Cotton States League | , | |
| George Bubser | bubser001geo | 1907 | 5/18-9/21 | Oshkosh Indians | Wisconsin State League | , | |
| Jim Buchanan | buchan002jam | 1907 | 4/15-6/10 | Little Rock Travelers | Southern Association | , | |
| Jim Buchanan | buchan002jam | 1907 | 6/18-7/25 | Oklahoma City Mets | Western Association | , | |
| Arthur Buck | 1907 | 71 g. | Erie Sailors | Interstate League | , | ||
| Howard Buck | 1907 | Amherst College | College | , | |||
| Howard Buck | 1907 | 5/4-6/13 | Newark | Atlantic League | , | ||
| Al Buckenberger | bucken001al- | 1907 | 4/24-9/24 | Rochester Bronchos | Eastern League | , | |
| Fred Buckholz | 1907 | 5/3-9/23 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Howard Buckley | buckle001how | 1907 | 4/26-5/18 | Lancaster Red Roses | Tri-State League | , | |
| Howard Buckley | buckle001how | 1907 | 6/7-6/19 | Albany Senators | New York State League | , | |
| Howard Buckley | buckle001how | 1907 | 7/4-8/9 | Columbia Gamecocks | South Atlantic League | , | |
| Howard Buckley | buckle001how | 1907 | +9/3+ | Hartford Senators | Connecticut State League | , | |
| William Buckley | 1907 | 6/4-9/4 | Umpire | South Atlantic League | , | ||
| Charlie Buelow | buelow001cha | 1907 | 4/25-9/15 | Evansville River Rats | Central League | , | |
| Fritz Buelow | buelow001fre | 1907 | -7/13 | 26 g. | St. Louis | American League | St. Louis, MO |
| Fritz Buelow | buelow001fre | 1907 | 7/27-9/16 | Minneapolis Millers | American Association | , | |
| Albert Buemiller | 1907 | 5/7-8/27 | Keokuk Indians | Iowa League | , | ||
| Albert Buemiller | 1907 | 8/29-9/15 | Oskaloosa Quakers | Iowa League | , | ||
| Joe Buench | 1907 | 30 g. | Greenville Hunters | North Texas League | , | ||
| Arthur Bues | 1907 | 88 g. | Lethbridge Miners | Western Canada League | , | ||
| Jack Bufka | bufka-001joh | 1907 | Manistee MI | Independent | , | ||
| Bullock | 1907 | 9/16 | Meridian Ribboners | Cotton States League | , | ||
| Bullock | 1907 | 9/19 | Leavenworth Convicts | Western Association | , | ||
| Chet Bulpitt | 1907 | 7/1 | Taylorville Tailors | Eastern Illinois League | , | ||
| John Bunton | bunton001joh | 1907 | 4/17-5/16 | Louisville Colonels | American Association | , | |
| John Bunton | bunton001joh | 1907 | +6/6-9/21 | 47 g. | Topeka White Sox | Western Association | , |
| John Bunyan | bunyan001joh | 1907 | 113 g. | New Haven Blues | Connecticut State League | , | |
| Burch | 1907 | +5/25-6/2+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Al Burch | burch-001alb | 1907 | 48 g. | St. Louis | National League | St. Louis, MO | |
| Al Burch | burch-001alb | 1907 | 40 g. | Brooklyn | National League | Brooklyn, NY | |
| Lyman Burch | burch-001l-- | 1907 | 5/10-9/13 | Keokuk Indians | Iowa League | , | |
| Fred Burchell | burche001fre | 1907 | 4/25-9/17 | Baltimore Orioles | Eastern League | , | |
| Fred Burchell | burche001fre | 1907 | 2 g. | Boston | American League | Boston, MA | |
| Arthur Burck | 1907 | Cinc.-Wiedemann | Independent | , | |||
| Arthur Burck | 1907 | 9/5-9/7 | Toledo Mud Hens | American Association | , | ||
| O. N. Burden | 1907 | 5/20-6/8 | Anderson Electricians | South Carolina League | , | ||
| Clyde Burdette | 1907 | Quincy Gems | Iowa League | , | |||
| Burfield | 1907 | 9/9 | La Crosse Badgers | Wisconsin State League | , | ||
| Joe Burg | burg--001jos | 1907 | 5/1-6/18 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Joe Burg | burg--001jos | 1907 | 6/30-9/15 | Burlington Pathfinders | Iowa League | , | |
| Peter Burg | burg--001pet | 1907 | 5/7-9/15 | Marshalltown Snappers | Iowa League | , | |
| Samuel Burgess | 1907 | McPherson KS | Independent | , | |||
| Sandy Burk | burk--001cha | 1907 | 5/3-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Burke | 1907 | 5/10-5/17+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Frank Burke | burke-002fra | 1907 | -7/31 | 43 g. | Boston | National League | Boston, MA |
| Frank Burke | burke-008fra | 1907 | 5/1-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Jack Burke | 1907 | San Antonio TX | Independent | , | |||
| Jack Burke | 1907 | 7/29-7/30 | San Antonio Bronchos | Texas League | , | ||
| Jimmy Burke | burke-004jam | 1907 | 4/17-9/16 | Kansas City Blues | American Association | , | |
| John Burke | burke-004joh | 1907 | College | , | |||
| John Burke | burke-004joh | 1907 | 6/21-9/13 | Lancaster Red Roses | Tri-State League | , | |
| Joseph Burke | burke-003jos | 1907 | 9 g. | Temple Boll Weevils | Texas League | , | |
| Joseph Burke | 1907 | 5/21-6/1 | Brockton Tigers | New England League | , | ||
| Jules Burke | 1907 | 5/9-6/26 | Eau Claire Tigers | Wisconsin State League | , | ||
| Jules Burke | 1907 | 6/30-7/10 | La Crosse Badgers | Wisconsin State League | , | ||
| Jules Burke | 1907 | 7/28-8/7 | Eau Claire Tigers | Wisconsin State League | , | ||
| Jules Burke | 1907 | 8/8-8/27 | La Crosse Badgers | Wisconsin State League | , | ||
| Jules Burke | 1907 | 9/2-9/22 | Eau Claire Tigers | Wisconsin State League | , | ||
| Patrick Burke | burke-001pat | 1907 | 6/18-7/31 | Easton | Atlantic League | , | |
| Burkett | burket006--- | 1907 | 5/24 | Connellsville Cokers | Western Pennsylvania League | , | |
| Burkett | burket006--- | 1907 | 8/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| H. A. Burkett | 1907 | +5/8- | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| H. A. Burkett | 1907 | +6/4-6/6+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| H. A. Burkett | 1907 | +6/17-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Jesse Burkett | burket001jes | 1907 | 4/26-9/7 | Worcester Busters | New England League | , | |
| Oscar Burkett | 1907 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Luther Burleson | burles002lut | 1907 | Baylor Univ. | College | , | ||
| Fred Burnam | burnam001fre | 1907 | 4/12-4/26 | Montgomery Senators | Southern Association | , | |
| Fred Burnam | burnam001fre | 1907 | 14 g. | Galveston Sand Crabs | Texas League | , | |
| Powell Burnett | 1907 | 33 g. | Dallas Giants | Texas League | , | ||
| William Burnett | 1907 | 5/10 | Waterloo Cubs | Iowa League | , | ||
| Walter Burnham | burnha002wal | 1907 | 4/24-9/24 | Newark Sailors | Eastern League | , | |
| Walter Burnham | burnha002wal | 1907 | Newark | Atlantic League | , | ||
| Burns | 1907 | 6/25 | Lancaster Red Roses | Tri-State League | , | ||
| Burns | 1907 | 5/10-5/27+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Burns | 1907 | 8/12-9/7 | Marshalltown Snappers | Iowa League | , | ||
| Burns | 1907 | Niagara Univ. | College | , | |||
| Burns | 1907 | 6/4-8/31 | Geneva | Empire State League | , | ||
| Biddy Burns | 1907 | 5/22-9/22 | Lansing Senators | Southern Michigan League | , | ||
| Bill Burns | burns-006wil | 1907 | 45 g. | Los Angeles Angels | Pacific Coast League | , | |
| Frank? Burns | 1907 | 5/2-5/20 | Pawtucket | Atlantic Association | , | ||
| Jack Burns | burns-007joh | 1907 | 4/26-9/7 | Lowell Tigers | New England League | , | |
| Jack Burns | burns-010joh | 1907 | 5/16-5/24 | Calumet Aristocrats | Northern-Copper Country League | , | |
| James Burns | 1907 | Springfield Ponies | Connecticut State League | , | |||
| John Burns | burns-001joh | 1907 | 4/18-9/21 | Portsmouth Truckers | Virginia League | , | |
| Richard Burns | 1907 | 8/1-8/17 | Lowell Tigers | New England League | , | ||
| William Burns | burns-001wil | 1907 | 5/13-9/13+ | Webb City Goldbugs | Western Association | , | |
| Frank Burrell | burrel001bus | 1907 | 4/26-9/7 | Lowell Tigers | New England League | , | |
| Lennius Burrell | burrel001len | 1907 | 4/25-9/24 | Baltimore Orioles | Eastern League | , | |
| William Burroughs | 1907 | 4/27-6/25 | Lancaster Red Roses | Tri-State League | , | ||
| William Burroughs | 1907 | 7/4-8/31 | New Bedford Whalers | New England League | , | ||
| Danny Burt | burt--001dan | 1907 | 4/8-4/19 | Columbia Gamecocks | South Atlantic League | , | |
| Danny Burt | burt--001dan | 1907 | 4/24-7/31 | Jacksonville Jays | South Atlantic League | , | |
| Danny Burt | burt--001dan | 1907 | 8/3-9/4 | Columbia Gamecocks | South Atlantic League | , | |
| Burton | 1907 | 7/25-7/30 | Oshkosh Indians | Wisconsin State League | , | ||
| Burton | 1907 | +6/27+ | Trenton Tigers | Tri-State League | , | ||
| J. Burton | 1907 | 89 g. | Erie Sailors | Interstate League | , | ||
| William Burton | 1907 | Houston Buffaloes | Texas League | , | |||
| Earl Burwell | burwel001ear | 1907 | preseason | Indianapolis Indians | American Association | , | |
| Earl Burwell | burwel001ear | 1907 | 5/3-7/15 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Henry Busch | busch-001hen | 1907 | 4/24-4/27 | Montgomery Senators | Southern Association | , | |
| Henry Busch | busch-001hen | 1907 | 4/30-9/4 | Augusta Tourists | South Atlantic League | , | |
| Henry Busch | busch-001hen | 1907 | 9/6-9/14 | Montgomery Senators | Southern Association | , | |
| Bush | 1907 | 19 g. | Terrell Red Stockings | North Texas League | , | ||
| Donie Bush | bush--001owe | 1907 | 4/26-9/11 | South Bend Greens | Central League | , | |
| Jack Bushelman | bushel001joh | 1907 | 5/5-5/13 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Jack Bushelman | bushel001joh | 1907 | 26 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| Alfred Bushey | bushey001alf | 1907 | 5/2-9/7 | Worcester Busters | New England League | , | |
| Busheyhead | 1907 | Cumberland Col. | College | , | |||
| Busheyhead | 1907 | Chattanooga TN | Independent | , | |||
| Bushyhead | 1907 | Chattanooga TN | Independent | , | |||
| Bushyhead | 1907 | 6/24-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Harvey Bussey | bussey002har | 1907 | 25 g. | Bradford Drillers | Interstate League | , | |
| Butchart | butcha000--- | 1907 | 4/15- | Seat.-Ballard | Independent | , | |
| Butler | 1907 | 5/16 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Butler | 1907 | 9 g. | Terrell Red Stockings | North Texas League | , | ||
| Ike Butler | butler001isa | 1907 | Tacoma Tigers | Northwestern League | , | ||
| John Butler | butler002joh | 1907 | - 6/14 | 30 g. | Brooklyn | National League | Brooklyn, NY |
| John Butler | butler002joh | 1907 | 7/25-9/24 | Jersey City Skeeters | Eastern League | , | |
| Kid Butler | butler007wil | 1907 | 4/30-8/2 | St. Louis | American League | St. Louis, MO | |
| Edward Butman | butman001edw | 1907 | 4/18-7/29 | Portsmouth Truckers | Virginia League | , | |
| Byers | 1907 | 5/11 | Easton | Atlantic League | , | ||
| Bill Byers | byers-002jam | 1907 | 70 g. | Baltimore Orioles | Eastern League | , | |
| Bobby Byrne | byrne-003rob | 1907 | St. Louis | National League | St. Louis, MO | ||
| Charles Byrnes | 1907 | Georgetown U. | College | , | |||
| Charles Byrnes | 1907 | 6/10-6/12 | Milwaukee Brewers | American Association | , | ||
| Jim Byrnes | byrnes002jam | 1907 | 5/22-7/17 | Rochester Bronchos | Eastern League | , | |
| Jim Byrnes | byrnes002jam | 1907 | Oakland Oaks | Pacific Coast League | , | ||
| Jim Byrnes | byrnes002jam | 1907 | Portland Beavers | Pacific Coast League | , | ||
| William Byron | 1907 | 5/22-9/21 | Umpire | Virginia League | , | ||
| Cadiz | 1907 | 5/30-6/8 | Haverhill Hustlers | New England League | , | ||
| Walter Cadman | 1907 | 4/26- | Lawrence Colts | New England League | , | ||
| Walter Cadman | 1907 | -7/11 | New Bedford Whalers | New England League | , | ||
| Walter Cadman | 1907 | 7/27-9/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Cadwalader | 1907 | 8/20 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Ralph Cadwalader | cadwal001ral | 1907 | 4/18-5/2 | Minneapolis Millers | American Association | , | |
| Ralph Cadwalader | cadwal001ral | 1907 | 5/21-6/12 | Sioux City Packers | Western League | , | |
| Ralph Cadwalader | cadwal001ral | 1907 | 6/26- | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Cady | 1907 | 7/2-9/7 | Lyons | Empire State League | , | ||
| Ben Caffyn | caffyn001ben | 1907 | 5/1-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| John Cahill | cahill001joh | 1907 | 5/9-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| S. Calderhead | calder000s-- | 1907 | +8/25+ | Helena MT | Independent | , | |
| Earl Caldwell | 1907 | +8/10+ | Chic.-Peabody | Semi-professional | , | ||
| Fay Caldwell | caldwe001fay | 1907 | U. Minnesota | College | , | ||
| J. P. Caldwell | 1907 | 6/4-9/15 | Oshkosh Indians | Wisconsin State League | , | ||
| Ralph Caldwell | caldwe002ral | 1907 | U. Pennsylvania | College | , | ||
| Ralph Caldwell | caldwe002ral | 1907 | 6/11-6/13 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| D. R. Calhoun | 1907 | +7/4-9/7 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Jack Calhoun | calhou002joh | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Evelyn Califf | califf001elm | 1907 | 37 g. | Portland Beavers | Pacific Coast League | , | |
| Callahan | 1907 | 8/7-8/8 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Jack Callahan | callah025--- | 1907 | 5/9-9/22 | Umpire | New York State League | , | |
| Jim Callahan | callah004jam | 1907 | 5/1-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Jimmy Callahan | callah002jam | 1907 | Logan Squares | Independent | , | ||
| Eugene? Calloway | 1907 | 9/11-9/13 | Marshalltown Snappers | Iowa League | , | ||
| Don Cameron | camero003don | 1907 | 5/1-5/21 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Don Cameron | camero003don | 1907 | 5/26-9/15 | Terre Haute Hottentots | Central League | , | |
| Jack Cameron | camero001joh | 1907 | 4/27-9/2 | Lowell Tigers | New England League | , | |
| Henry Camnitz | 1907 | 5/2-6/28 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Henry Camnitz | 1907 | 6/9-6/21 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Henry Camnitz | 1907 | 7/23-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Henry Camnitz | 1907 | 9/12-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Howie Camnitz | camnit001sam | 1907 | 31 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Count Campau | campau001cha | 1907 | 5/9-6/2 | Umpire | New York State League | , | |
| Campbell | 1907 | DuBois Miners | Interstate League | , | |||
| Campbell | 1907 | 5/9-5/18 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Campbell | 1907 | +6/25+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Arch Campbell | 1907 | 5/10-9/14 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Bill Campbell | campbe001wil | 1907 | Aberdeen Black Cats | Northwestern League | , | ||
| Billy Campbell | campbe004wil | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Billy Campbell | campbe004wil | 1907 | 3 g. | Cincinnati | National League | Cincinnati, OH | |
| Edward Campbell | 1907 | 5/9-8/21 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Frank Campbell | campbe001fra | 1907 | 38 g. | Punxsutawney Policemen | Interstate League | , | |
| Marc Campbell | campbe002mar | 1907 | no g. | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Marc Campbell | campbe002mar | 1907 | 9/30-10/1 | Pittsburgh | National League | Pittsburgh, PA | |
| Sullivan Campbell | campbe001sul | 1907 | 5/4-7/23 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Sullivan Campbell | campbe001sul | 1907 | +8/1-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Thomas Campbell | campbe002tho | 1907 | 5/2-6/3+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Thomas Campbell | campbe002tho | 1907 | 6/28 | Webb City Goldbugs | Western Association | , | |
| Thomas Campbell | campbe002tho | 1907 | +7/13-8/6 | Columbus Discoverers | Cotton States League | , | |
| Thomas Campbell | 1907 | 138 g. | Sioux City Packers | Western League | , | ||
| Jim Canavan | canava001jim | 1907 | 6/21-9/7 | New Bedford Whalers | New England League | , | |
| Cannell | 1907 | 2 g. | Dayton Veterans | Central League | , | ||
| Wirt Cannell | cannel001vir | 1907 | 4/24-9/14 | Trenton Tigers | Tri-State League | , | |
| Cannon | 1907 | 7/17-8/6 | Flint Vehicles | Southern Michigan League | , | ||
| Cannon | 1907 | 1 g. | Terrell Red Stockings | North Texas League | , | ||
| George Cannon | cannon001elm | 1907 | 5/1- | 26 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| Roy Cannon | 1907 | 5/26-6/7 | Taylorville Tailors | Eastern Illinois League | , | ||
| Joe Cantillon | cantil001jos | 1907 | Washington | American League | Washington, DC | ||
| Michael Cantillon | 1907 | Minneapolis Millers | American Association | , | |||
| Theophilus Caplinger | 1907 | Indiana U. Med | College | , | |||
| Capps | 1907 | 24 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| George Capron | capron001geo | 1907 | U. Minnesota Law | College | , | ||
| George Capron | capron001geo | 1907 | Mattoon IL | Independent | , | ||
| George Carey | carey-002geo | 1907 | 4/10-9/14 | Memphis Egyptians | Southern Association | , | |
| Thomas Carey | 1907 | 5/9-5/10 | Vicksburg Hill Billies | Cotton States League | , | ||
| Thomas? Carey | 1907 | 11 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Chick Cargo | cargo-001cha | 1907 | 5/9-9/22 | Troy Trojans | New York State League | , | |
| Walter Cariss | 1907 | 5/1-9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Bror Carlberg | 1907 | Salina High School | High School | , | |||
| Bror Carlberg | 1907 | Salina KS | Independent | , | |||
| Thomas Carlin | carlin002tho | 1907 | 79 g. | Fort Worth Panthers | Texas League | , | |
| Thomas Carlin | carlin002tho | 1907 | 7/21-8/8 | Shreveport Pirates | Southern Association | , | |
| Ralph Carlisle | 1907 | 5/1-9/1 | Fairmont Champions | Western Pennsylvania League | , | ||
| Walter Carlisle | carlis001wal | 1907 | 179 g. | Los Angeles Angels | Pacific Coast League | , | |
| Carnes | 1907 | 7/4 | Springfield Babes | Central League | , | ||
| C. C. Carnes | carnes002c-- | 1907 | 40 g. | Los Angeles Angels | Pacific Coast League | , | |
| C. C. Carnes | carnes002c-- | 1907 | Oakland Oaks | Pacific Coast League | , | ||
| Bill Carney | carney002wil | 1907 | Spokane Indians | Northwestern League | , | ||
| J. E. Carney | 1907 | 7/24-8/17 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| J. E. Carney | 1907 | 8/27-9/2 | La Crosse Badgers | Wisconsin State League | , | ||
| J. E. Carney | 1907 | 9/6-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Jack Carney | carney002joh | 1907 | 9/14 | Trenton Tigers | Tri-State League | , | |
| John Carney | 1907 | Holy Cross | College | , | |||
| John Carney | 1907 | 6/22-9/6 | Auburn | Empire State League | , | ||
| William Carpenter | 1907 | -10/5 | 145 g. | MLB Umpire | National League | , | |
| Carr | 1907 | +7/23-7/25+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Charlie Carr | carr--001cha | 1907 | 4/17-9/15 | Indianapolis Indians | American Association | , | |
| Hart Carr | carr--001ham | 1907 | 5/4-5/21 | Pottsville | Atlantic League | , | |
| James Carr | 1907 | 5/2-5/31 | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| James Carr | 1907 | +6/6-6/25+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| James Carr | 1907 | 7/1-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| John Carr | carr--003joh | 1907 | 4/10-7/10 | Shreveport Pirates | Southern Association | , | |
| John Carr | carr--003joh | 1907 | 7/19-9/14 | Nashville Volunteers | Southern Association | , | |
| John Carr | 1907 | Fulton | Empire State League | , | |||
| John Carr | 1907 | Wilkes-Barre Barons | New York State League | , | |||
| Lew Carr | carr--001lew | 1907 | 5/12-9/22 | Syracuse Stars | New York State League | , | |
| Milton Carr | 1907 | 5/24-8/10 | Seneca Falls | Empire State League | , | ||
| Milton Carr | 1907 | 8/11-9/3 | Wilkes-Barre Barons | New York State League | , | ||
| Sidney Carr | carr--001sid | 1907 | 5/24-8/10 | Oswego | Empire State League | , | |
| Bill Carrick | carric001wil | 1907 | 4/25-7/25 | Newark Sailors | Eastern League | , | |
| Bill Carrigan | carrig001wil | 1907 | 5/9-9/22 | Toronto Maple Leafs | Eastern League | , | |
| Johnny Carrigan | 1907 | 3 g. | Lewiston | Maine State League | , | ||
| Frank Carriveau | carriv001fra | 1907 | Umpire | Vermont League | , | ||
| Dick Carroll | carrol003ric | 1907 | 5/21-9/13 | Canton Chinamen | Central League | , | |
| Frank Carroll | carrol001fra | 1907 | 5/9-9/22 | Utica Pent-Ups | New York State League | , | |
| Neil Carroll | 1907 | 113 g. | Monroe Municipals | Gulf Coast League | , | ||
| S. V. Carroll | 1907 | 8/17-9/6 | Richmond Colts | Virginia League | , | ||
| Kid Carsey | carsey001wil | 1907 | NY Metropolitans | Independent | , | ||
| Kid Carsey | carsey001wil | 1907 | 7/4-8/8 | Umpire | Tri-State League | , | |
| Carson | 1907 | 7 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Al Carson | carson001alb | 1907 | -3/18 | San Diego | California Winter League | , | |
| Andy Carson | 1907 | Marietta OH Col. | College | , | |||
| Andy Carson | 1907 | +7/15+ | 7 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Thomas Carson | carson002tho | 1907 | 40 g. | Augusta Tourists | South Atlantic League | , | |
| Thomas Carson | carson002tho | 1907 | 69 g. | Portland Beavers | Pacific Coast League | , | |
| Carter | 1907 | 5/8- | Leavenworth Convicts | Western Association | , | ||
| Carter | 1907 | +7/4+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Carter | 1907 | +7/8+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Carter | 1907 | +7/12-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Carter | 1907 | 7/2-8/8 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Carter | 1907 | +9/7+ | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Bobby Carter | carter003rob | 1907 | 4/14-9/14 | Memphis Egyptians | Southern Association | , | |
| Charles Carter | carter005cha | 1907 | 5/4-5/28 | Lynchburg Shoemakers | Virginia League | , | |
| Charles Carter | carter005cha | 1907 | 6/10-8/20 | Richmond Colts | Virginia League | , | |
| Charles Carter | carter005cha | 1907 | 8/29-9/21 | Portsmouth Truckers | Virginia League | , | |
| Edward Carter | 1907 | Monticello | Independent | , | |||
| Nick Carter | carter002con | 1907 | 5/13-9/20 | Syracuse Stars | New York State League | , | |
| Robert Carter | 1907 | 5/12-7/2 | Mattoon Giants | Eastern Illinois League | , | ||
| Robert Carter | 1907 | 8/8-9/26 | Mattoon Giants | Eastern Illinois League | , | ||
| Cartwright | 1907 | 5/4- | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Walter Cartwright | cartwr001wal | 1907 | 140 g. | Butte Miners | Northwestern League | , | |
| Bob Caruthers | caruth001bob | 1907 | 4/10-5/1 | Umpire | Southern Association | , | |
| Bob Caruthers | caruth001bob | 1907 | 5/29-9/15 | Umpire | Illinois-Indiana-Iowa League | , | |
| Chick Carven | 1907 | +5/12+ | Detr.-Oldsmobiles | Independent | , | ||
| Chick Carven | 1907 | 7/7-7/8 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Carver | 1907 | 7/2 | Buffalo Bisons | Eastern League | , | ||
| Case | 1907 | 5/30 | Oswego | Empire State League | , | ||
| Case | 1907 | 7/12 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Andrew Case | 1907 | 5/15-6/23 | Easton | Atlantic League | , | ||
| Andrew Case | 1907 | +7/13+ | Vineland NJ | Southern New Jersey | , | ||
| Charlie Case | case--001cha | 1907 | 4/20-9/11 | Kansas City Blues | American Association | , | |
| William Case | 1907 | Tren.-Morgans | Independent | , | |||
| William Case | 1907 | Riverside | , | ||||
| William Case | 1907 | New Brunswick | , | ||||
| William Case | 1907 | Atlantic City NJ | Independent | , | |||
| Casey | 1907 | 5/1-5/20 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Casey | 1907 | 5/28-6/15 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Casey | 1907 | 4/11-6/14+ | Columbus Discoverers | Cotton States League | , | ||
| James Casey | casey-002jam | 1907 | 141 g. | Brooklyn | National League | Brooklyn, NY | |
| Joe Casey | casey-002jos | 1907 | Manchester CT | Independent | , | ||
| Joe Casey | casey-002jos | 1907 | 8/16-9/14+ | Hartford Senators | Connecticut State League | , | |
| Patrick Casey | casey-001pat | 1907 | 5/2-9/6+ | Hutchinson Salt Packers | Western Association | , | |
| Pearl Casey | casey-001pea | 1907 | Portland Beavers | Pacific Coast League | , | ||
| Ray Casey | 1907 | 2 g. | Portland Blue Sox | Maine State League | , | ||
| Cass | 1907 | 7/18-7/30 | Lyons | Empire State League | , | ||
| Harry Cassady | cassad001har | 1907 | 4/17-4/20 | Kansas City Blues | American Association | , | |
| Harry Cassady | cassad001har | 1907 | 4/30-9/15 | Denver Grizzlies | Western League | , | |
| Robert Cassell | cassel000bob | 1907 | Kansas State U. | College | , | ||
| Howdy Cassiboine | cassib001how | 1907 | 6/9-9/4 | Madison Senators | Wisconsin State League | , | |
| Cassidy | 1907 | 6/19-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Cassidy | 1907 | 6/26-7/2 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Cassidy | 1907 | 7/16-7/20 | Utica Pent-Ups | New York State League | , | ||
| F. Cassidy | 1907 | 4/19 | Scammom KS | Independent | , | ||
| Michael Cassidy | cassid002mic | 1907 | 4/18-8/19 | Richmond Colts | Virginia League | , | |
| Pete Cassidy | cassid003pet | 1907 | 4/24-9/9 | Wilmington Peaches | Tri-State League | , | |
| William Cassidy | 1907 | 5/2-6/15 | Portsmouth Truckers | Virginia League | , | ||
| William Cassidy | 1907 | 7/10-7/27 | Anderson Electricians | South Carolina League | , | ||
| Benjamin Castle | castle001ben | 1907 | +6/16+ | Elyria OH | Independent | , | |
| John Castle | castle001joh | 1907 | Bridgeport Orators | Connecticut State League | , | ||
| John Castle | castle001joh | 1907 | 5/7-6/22 | Chester/Tamaqua | Atlantic League | , | |
| John Castle | castle001joh | 1907 | 6/23-9/22 | Syracuse Stars | New York State League | , | |
| W. Castle | 1907 | 5/7-6/22 | Chester/Tamaqua | Atlantic League | , | ||
| Roy Castleton | castle002roy | 1907 | 4/16- | 3 g. | New York | American League | New York, NY |
| Roy Castleton | castle002roy | 1907 | 4/29-9/11 | Atlanta Crackers | Southern Association | , | |
| Lou Castro | castro001lou | 1907 | 4/9-9/14 | Atlanta Crackers | Southern Association | , | |
| Eli Cates | cates-002eli | 1907 | Oakland Oaks | Pacific Coast League | , | ||
| James Catiz | 1907 | 5/17-5/20 | Syracuse Stars | New York State League | , | ||
| Tom Catterson | catter001tho | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Joe Cavanaugh | cavana001jos | 1907 | 65 g. | Galveston Sand Crabs | Texas League | , | |
| John Cavanaugh | 1907 | 5/7-5/31 | Pottsville | Atlantic League | , | ||
| John Cavanaugh | 1907 | 16 g. | Erie Sailors | Interstate League | , | ||
| Michael Cavanaugh | cavana003mic | 1907 | 7/11-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| Mike Cavanaugh | 1907 | Buff.-Pastimes | Independent | , | |||
| Cave | 1907 | 9/15 | Burlington Pathfinders | Iowa League | , | ||
| Dred Cavender | cavend001dre | 1907 | 128 g. | Waco Navigators | Texas League | , | |
| J. S. Cella | 1907 | 58 g. | Paris Athletics | North Texas League | , | ||
| Cely | 1907 | 5/21-6/8 | Greenville Mountaineers | South Carolina League | , | ||
| Ed Cermak | cermak001edw | 1907 | 4/26-5/30 | South Bend Greens | Central League | , | |
| Ed Cermak | cermak001edw | 1907 | 86 g. | Austin Senators | Texas League | , | |
| Ed Cermak | cermak001edw | 1907 | Galveston Sand Crabs | Texas League | , | ||
| Ed Cermak | cermak001edw | 1907 | 8/28-9/7 | La Crosse Badgers | Wisconsin State League | , | |
| Chet Chadbourne | chadbo001che | 1907 | 4/25-9/24 | Providence Grays | Eastern League | , | |
| Chet Chadbourne | chadbo001che | 1907 | 10 g. | Boston | American League | Boston, MA | |
| Mark Chaffee | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |||
| Mark Chaffee | 1907 | 5/30-8/2 | Norfolk Tars | Virginia League | , | ||
| Mark Chaffee | 1907 | 8/17 | Roanoke Tigers | Virginia League | , | ||
| Boyd Chambers | 1907 | 5/1-9/13 | Springfield Babes | Central League | , | ||
| E. Chandler | 1907 | 88 g. | Calgary Bronchos | Western Canada League | , | ||
| Robert Chandler | chandl002rob | 1907 | 4/8-4/13 | Macon Brigands | South Atlantic League | , | |
| Robert Chandler | chandl002rob | 1907 | 4/20-5/30 | Columbia Gamecocks | South Atlantic League | , | |
| Robert Chandler | chandl002rob | 1907 | 6/10-6/27 | Macon Brigands | South Atlantic League | , | |
| Robert Chandler | chandl002rob | 1907 | 7/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Robert Chandler | chandl002rob | 1907 | 7/9-9/3 | Jacksonville Jays | South Atlantic League | , | |
| Chapman | 1907 | 7/9-7/26 | Anderson Electricians | South Carolina League | , | ||
| Harry Chapman | chapma002har | 1907 | 86 g. | Trenton MO | Independent | , | |
| Robert Chappelle | chappe001rob | 1907 | 5/11 | Scranton Miners | New York State League | , | |
| Robert Chappelle | chappe001rob | 1907 | 5/20-5/24 | St. Paul Saints | American Association | , | |
| Robert Chappelle | chappe001rob | 1907 | 6/28-9/15 | Grand Rapids Wolverines | Central League | , | |
| William Chappelle | chappe002wil | 1907 | 4/24-6/20 | Johnstown Johnnies | Tri-State League | , | |
| William Chappelle | chappe002wil | 1907 | 6/27-8/2 | Wilmington Peaches | Tri-State League | , | |
| William Chappelle | chappe002wil | 1907 | 8/6-9/12 | Johnstown Johnnies | Tri-State League | , | |
| C. Charistrom | 1907 | 5/8-5/11 | Elizabeth | Atlantic League | , | ||
| Charles | 1907 | 7/22 | Pottsville | Atlantic League | , | ||
| Raymond Charles | charle002ray | 1907 | 4/24-8/27 | Williamsport Millionaires | Tri-State League | , | |
| Wilson Charles | charle001wil | 1907 | 5/10-6/13 | Green Bay Orphans | Wisconsin State League | , | |
| Wilson Charles | charle001wil | 1907 | +7/25+ | Appleton WI | Independent | , | |
| Wilson Charles | charle001wil | 1907 | 8/24 | Madison Senators | Wisconsin State League | , | |
| Wilson Charles | charle001wil | 1907 | 8/28-9/19 | Green Bay Orphans | Wisconsin State League | , | |
| Wilson Charles | 1907 | 18 g. | Green Bay Orphans | Wisconsin State League | , | ||
| Peyton Charters | charte001pey | 1907 | NC | Independent | , | ||
| J. C. Chase | 1907 | 5/9-9/22 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Emile Chastant | 1907 | Opelousas Indians | Gulf Coast League | , | |||
| George Chayka | 1907 | Monmouth IL | Independent | , | |||
| Gib Cheatum | cheatu001--- | 1907 | +9/25+ | Kingman KS | Colorado League | , | |
| Charlie Chech | chech-001cha | 1907 | 4/17-9/16 | Toledo Mud Hens | American Association | , | |
| Harry Cheek | cheek-001har | 1907 | 129 g. | Webb City Goldbugs | Western Association | , | |
| William Chenault | chenau001wil | 1907 | 5/1-7/4 | Indianapolis Indians | American Association | , | |
| William Chenault | chenau001wil | 1907 | 7/8-7/17 | Terre Haute Hottentots | Central League | , | |
| William Chenault | chenau001wil | 1907 | 7/26-9/8 | Indianapolis Indians | American Association | , | |
| Laurence Cheney | cheney001lau | 1907 | 5/2-9/2+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| William Cherry | cherry000bil | 1907 | FtWa-Shamrocks | Independent | , | ||
| Joseph Chevalier | 1907 | 4/26-5/2 | Seattle Siwashes | Northwestern League | , | ||
| Joseph Chevalier | 1907 | 5/16- | Vancouver Canucks | Northwestern League | , | ||
| Joseph Chevalier | 1907 | 10 g. | Vancouver Canucks | Northwestern League | , | ||
| Joseph Chevalier | 1907 | Seattle Siwashes | Northwestern League | , | |||
| Guy Chiesman | 1907 | Olivet College | College | , | |||
| Guy Chiesman | 1907 | 7/1-8/28 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Walter Chilcott | chilco001wal | 1907 | 7/4-7/11 | Chester/Tamaqua | Atlantic League | , | |
| Walter Chilcott | chilco001wal | 1907 | Phil.-Professionals | Independent | , | ||
| Pete Childs | childs001geo | 1907 | 5/12-9/20 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Oliver Chill | 1907 | 4/28-9/15 | Umpire | Central League | , | ||
| Choteau | 1907 | +8/4-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Gabe Chrisman | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |||
| Christian | 1907 | 6/16-6/30 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Christian | 1907 | 7/25-7/26+ | Meridian Ribboners | Cotton States League | , | ||
| John Christian | christ003j-- | 1907 | 38 g. | Galveston Sand Crabs | Texas League | , | |
| Harold Christman | christ005har | 1907 | 4/9-4/13 | Charleston Sea Gulls | South Atlantic League | , | |
| Harold Christman | christ005har | 1907 | 4/18-8/22 | Jackson Senators | Cotton States League | , | |
| Eddie Cicotte | cicott001edw | 1907 | 4/17-9/5 | Lincoln Treeplanters | Western League | , | |
| Cigrainge | 1907 | 7/22-8/12 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Harlan Claflin | 1907 | 34 g. | Tacoma Tigers | Northwestern League | , | ||
| Harlan Claflin | 1907 | Seattle Siwashes | Northwestern League | , | |||
| Harlan Claflin | 1907 | Spokane Indians | Northwestern League | , | |||
| Daniel Claire | 1907 | 130 g. | Jackson Senators | Cotton States League | , | ||
| Clancy | 1907 | 6/10-6/15 | Lyons | Empire State League | , | ||
| Clancy | 1907 | 7/30 | Auburn | Empire State League | , | ||
| Al Clancy | clancy001alb | 1907 | U. New Mexico | College | , | ||
| Al Clancy | clancy001alb | 1907 | Denver Grizzlies | Western League | , | ||
| Al Clancy | clancy001alb | 1907 | Albu-Browns | Independent | , | ||
| Bill Clancy | clancy002wil | 1907 | 4/24-9/24 | Rochester Bronchos | Eastern League | , | |
| Charles Clancy | clancy001cha | 1907 | 6/30-7/19 | Easton | Atlantic League | , | |
| Charles Clancy | clancy001cha | 1907 | 7/24-7/27 | Allentown | Atlantic League | , | |
| Charles Clancy | clancy001cha | 1907 | 8/29 | Fall River Indians | New England League | , | |
| Clark | 1907 | 5/2- | Webb City Goldbugs | Western Association | , | ||
| Clark | 1907 | 5/1-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Clark | 1907 | 5/28-6/11 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Clark | 1907 | 5/24-6/25 | Fulton | Empire State League | , | ||
| Charles Clark | 1907 | 5/1-5/4 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Clayton Clark | 1907 | 5/11-8/19 | Wichita Jobbers | Western Association | , | ||
| D. Clark | 1907 | 6/17-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Dad Clark | clark-002alf | 1907 | 4/10-9/14 | Shreveport Pirates | Southern Association | , | |
| Dick Clark | clark-001ric | 1907 | 5/2-5/26 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Dick Clark | clark-001ric | 1907 | +5/31-8/9 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| George Clark | clark-002geo | 1907 | 5/7-9/15 | Waterloo Cubs | Iowa League | , | |
| Ginger Clark | clark-006har | 1907 | 4/10-9/12 | Birmingham Barons | Southern Association | , | |
| Harry Clark | clark-004har | 1907 | 4/17-9/16 | Milwaukee Brewers | American Association | , | |
| Herbert Clark | 1907 | 8/20-9/7 | Lawrence Colts | New England League | , | ||
| Hubert Clark | 1907 | 3 g. | Pine Tree | Maine State League | , | ||
| J. Clark | 1907 | 8/4 | Clarksburg Bees | Western Pennsylvania League | , | ||
| James Clark | 1907-11 | Bucknell Univ. | College | , | |||
| James Clark | 1907 | 5/30-6/12 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| James Clark | 1907 | Clarksburg Bees | Western Pennsylvania League | , | |||
| John Clark | clark-001jl- | 1907 | 4/9-9/4 | Macon Brigands | South Atlantic League | , | |
| Leroy Clark | clark-001ler | 1907 | 4/28-9/4+ | Springfield Babes | Central League | , | |
| Lester Clark | clark-002les | 1907 | 12 g. | Galveston Sand Crabs | Texas League | , | |
| Lester Clark | clark-002les | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Max Clark | 1907 | 1 g. | Waterville | Maine State League | , | ||
| Richard Clark | 1907 | 5/2 | Webb City Goldbugs | Western Association | , | ||
| Richard Clark | 1907 | Garden City KS | Illinois-Indiana-Iowa League | , | |||
| Roy Clark | 1907 | Calumet Aristocrats | Northern-Copper Country League | , | |||
| Talton Clark | clark-001tal | 1907 | +5/9-6/2 | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | |
| Talton Clark | clark-001tal | 1907 | 6/3-7/1+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Wilkie Clark | clark-001wil | 1907 | 5/9-9/16 | Scranton Miners | New York State League | , | |
| William Clark | clark-016wil | 1907 | 5/7-8/6 | Reading | Atlantic League | , | |
| William Clark | clark-016wil | 1907 | 8/10-9/8 | Allentown | Atlantic League | , | |
| Win Clark | clark-012wil | 1907 | 4/18-8/8 | Roanoke Tigers | Virginia League | , | |
| Win Clark | clark-012wil | 1907 | 8/16-9/21 | Portsmouth Truckers | Virginia League | , | |
| Jay Clarke | clarke001jay | 1907 | 120 g. | Cleveland | American League | Cleveland, OH | |
| Jefferson Clarke | 1907 | 4/19-7/27 | Des Moines Champs | Western League | , | ||
| Jefferson Clarke | 1907 | 7/31-8/2 | Minneapolis Millers | American Association | , | ||
| Jefferson Clarke | 1907 | 8/4-9/14 | Des Moines Champs | Western League | , | ||
| Josh Clarke | clarke002jos | 1907 | 4/17-9/13 | Toledo Mud Hens | American Association | , | |
| Tommy Clarke | clarke001tho | 1907 | Bradhurst FC | Independent | , | ||
| Tommy Clarke | clarke001tho | 1907 | 7/16-9/24 | Montreal Royals | Eastern League | , | |
| William Clarke | clarke004wil | 1907 | 4/17-9/13 | Toledo Mud Hens | American Association | , | |
| Walter Clarkson | clarks001wal | 1907 | 5 g. | New York | American League | New York, NY | |
| Walter Clarkson | clarks001wal | 1907 | 17 g. | Cleveland | American League | Cleveland, OH | |
| Bill Clay | clay--002fre | 1907 | 4/24-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Bill Clay | clay--002fre | 1907 | 7/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Clayton | 1907 | 5/27-6/4 | Scottdale Giants | Western Pennsylvania League | , | ||
| Clayton | 1907 | 7/20 | Chester/Tamaqua | Atlantic League | , | ||
| Harry Clayton | clayto001har | 1907 | +4/29+ | Roanoke Tigers | Virginia League | , | |
| Harry Clayton | clayto001har | 1907 | 90 g. | Fort Worth Panthers | Texas League | , | |
| William Clayton | clayto001wil | 1907 | 4/18-5/14 | Roanoke Tigers | Virginia League | , | |
| William Clayton | clayto001wil | 1907 | 6/21-8/2 | Roanoke Tigers | Virginia League | , | |
| William Clayton | clayto001wil | 1907 | 8/6-8/7 | Norfolk Tars | Virginia League | , | |
| William Clayton | clayto001wil | 1907 | 8/10-9/16 | Roanoke Tigers | Virginia League | , | |
| Arthur Cleary | 1907 | 5/25-7/20 | Fulton | Empire State League | , | ||
| Arthur Cleary | 1907 | 7/23-9/7 | Fall River Indians | New England League | , | ||
| James Cleary | cleary001jam | 1907 | 5/14-6/15 | Rochester Bronchos | Eastern League | , | |
| James Cleary | cleary001jam | 1907 | 8/3-8/12 | Buffalo Bisons | Eastern League | , | |
| Joe Cleary | 1907 | Canton Chinamen | Central League | , | |||
| Joe Cleary | 1907 | Pitt-Intercollegians | Independent | , | |||
| Joe Cleary | 1907 | 5/24-5/29 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Clemens | 1907 | 6/2 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Clemens | 1907 | 6/14 | Joplin Miners | Western Association | , | ||
| Peter Clemens | 1907 | +5/20-6/4+ | Barre-Montpelier | New Hampshire State League | , | ||
| Amanda Clement | 1907 | Umpire | , | ||||
| Wally Clement | clemen001wal | 1907 | 4/25-9/24 | Jersey City Skeeters | Eastern League | , | |
| Clements | 1907 | Taylorville Tailors | Eastern Illinois League | , | |||
| John Clements | 1907 | 5/8 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| John Clements | 1907 | 5/14-5/17+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| John Clements | 1907 | 5/26-6/12 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Zora Clevenger | 1907 | 6/11-6/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Zora Clevenger | 1907-11 | Neb Wesleyan U. | College | , | |||
| Kelly Clever | 1907 | 5/1-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Clifford | 1907 | +6/25+ | Leavenworth Convicts | Western Association | , | ||
| Clinton | 1907 | 8/15- | Hartford Senators | Connecticut State League | , | ||
| Clinton | 1907 | 9/17 | Lynchburg Shoemakers | Virginia League | , | ||
| Jimmy Clinton | 1907 | 4/25-7/31 | Providence Grays | Eastern League | , | ||
| Jimmy Clinton | 1907 | no g. | Utica Pent-Ups | New York State League | , | ||
| Jimmy Clinton | 1907 | 8/13-9/2 | Allentown | Atlantic League | , | ||
| John Clougher | 1907 | 26 g. | Oil City-Jamestown Oseejays | Interstate League | , | ||
| Floyd Clune | 1907 | 4/28-4/29 | Worcester Busters | New England League | , | ||
| Lloyd Clune | 1907 | 7 g. | Franklin Millionaires | Interstate League | , | ||
| Bill Clymer | clymer001wil | 1907 | 5/30-9/15 | Columbus Senators | American Association | , | |
| Otis Clymer | clymer001oti | 1907 | 22 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Otis Clymer | clymer001oti | 1907 | 57 g. | Washington | American League | Washington, DC | |
| John Clynes | clynes001jos | 1907 | 147 g. | Tacoma Tigers | Northwestern League | , | |
| John Clynes | clynes001jos | 1907 | Vancouver Canucks | Northwestern League | , | ||
| John Clynes | clynes001jos | 1907 | 11/17- | San Diego | California Winter League | , | |
| Joseph Clynes | clynes001jos | 1907 | Presidio/SF | California State League | , | ||
| Andy Coakley | coakle001and | 1907 | 37 g. | Cincinnati | National League | Cincinnati, OH | |
| Floyd Coates | coates001f-- | 1907 | 5/7- | 46 g. | Oskaloosa Quakers | Iowa League | , |
| John Cobb | 1907 | 5/14-6/27 | Kalamazoo White Sox | Southern Michigan League | , | ||
| John Cobb | 1907 | +8/7-9/19+ | Leavenworth Convicts | Western Association | , | ||
| William Cobbett | 1907 | 4/26-5/10 | Lynn Shoemakers | New England League | , | ||
| Samuel Cobean | cobean001sam | 1907 | preseason | Holyoke Papermakers | Connecticut State League | , | |
| Samuel Cobean | cobean001sam | 1907 | 5/24-9/7 | Oswego | Empire State League | , | |
| John Cocash | 1907 | 6/10-9/22 | Flint Vehicles | Southern Michigan League | , | ||
| Cochran | 1907 | -9/2 | Webb City Goldbugs | Western Association | , | ||
| George Cockill | cockil002geo | 1907 | 132 g. | Albany Senators | New York State League | , | |
| Jim Cockman | cockma001jam | 1907 | 4/25-9/22 | Newark Sailors | Eastern League | , | |
| Charles Coe | coe---002cha | 1907 | 5/9-5/13 | Freeport Pretzels | Wisconsin State League | , | |
| Richard Coffee | 1907 | 5/10- | 7 g. | Lynn Shoemakers | New England League | , | |
| Richard Coffee | 1907 | -7/6 | Lawrence Colts | New England League | , | ||
| Edward Coffey | coffey001edw | 1907 | 5/- | Umpire | Central League | , | |
| Edward Coffey | coffey001edw | 1907 | 6/10-9/11+ | South Bend Greens | Central League | , | |
| Henry Coffin | 1907 | 5/22- | 26 g. | New Bedford Whalers | New England League | , | |
| Henry Coffin | 1907 | -9/7 | Worcester Busters | New England League | , | ||
| Coffman | 1907 | +7/25+ | Umpire | South Carolina League | , | ||
| Coffman | 1907 | 8/16-8/23 | Umpire | South Atlantic League | , | ||
| Dick Cogan | cogan-001dic | 1907 | Paterson Intruders | Hudson River League | , | ||
| Coggins | coggin008--- | 1907 | +8/24+ | Martinsburg WV | Independent | , | |
| George Colbert | 1907 | 5/7-9/13 | Ottumwa Packers | Iowa League | , | ||
| Cole | 1907 | 7/16-7/18 | Flint Vehicles | Southern Michigan League | , | ||
| Clarence Cole | cole--002cla | 1907 | 5/2-5/8 | Joplin Miners | Western Association | , | |
| Clarence Cole | cole--002cla | 1907 | 5/9-9/22 | Springfield Midgets | Western Association | , | |
| Willis Cole | cole--006wil | 1907 | 97 g. | Erie Sailors | Interstate League | , | |
| Coleman | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| Coleman | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Curtis Coleman | 1907 | Salem HS | , | ||||
| Curtis Coleman | 1907 | Woodburn OR | Independent | , | |||
| Jack Coleman | 1907 | 5/1-5/3 | Fairmont Champions | Western Pennsylvania League | , | ||
| Jack Coleman | 1907 | 5/8-5/20 | Scottdale Giants | Western Pennsylvania League | , | ||
| Cad Coles | coles-001cad | 1907 | 5/20-8/9 | Spartanburg Spartans | South Carolina League | , | |
| Edgar Colgrove | 1907 | 45 g. | San Antonio Bronchos | Texas League | , | ||
| J. S. Colle | 1907 | 5/21-7/17 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| J. S. Colle | 1907 | 7/19-7/27 | Anderson Electricians | South Carolina League | , | ||
| J. S. Colle | 1907 | 7/29-8/9 | Orangeburg Edistoes | South Carolina League | , | ||
| Henry Collett | 1907 | 5/29-9/7 | Lyons | Empire State League | , | ||
| Collier | 1907 | 5/24-6/11 | Fulton | Empire State League | , | ||
| Harry Colliflower | collif001har | 1907 | 7/11-9/20 | Umpire | Virginia League | , | |
| Edward Colligan | collig001edw | 1907 | Olean Refiners | Interstate League | , | ||
| Edward Colligan | collig001edw | 1907 | 71 g. | Oil City-Jamestown Oseejays | Interstate League | , | |
| Edward Colligan | collig001edw | 1907 | 8/25-9/14 | Memphis Egyptians | Southern Association | , | |
| Dan Collins | 1907 | 77 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Eddie Collins | collin003edw | 1907 | 14 g. | Philadelphia | American League | Philadelphia, PA | |
| Eddie Collins | collin003edw | 1907 | 8/7-8/10 | Newark Sailors | Eastern League | , | |
| Edward Collins | collin002e-- | 1907 | 121 g. | San Antonio Bronchos | Texas League | , | |
| Edward Collins | 1907 | 5/13-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Joseph Collins | collin002jos | 1907 | 4/27-9/4+ | Springfield Babes | Central League | , | |
| Joseph Collins | collin005jos | 1907 | 37 g. | San Jose Prune Pickers | California State League | , | |
| Joseph Collins | collin005jos | 1907 | 7/11-8/25 | Tacoma Tigers | Northwestern League | , | |
| Orth Collins | collin001ort | 1907 | 4/19-6/13+ | Columbus Discoverers | Cotton States League | , | |
| Orth Collins | collin001ort | 1907 | 82 g. | Webb City Goldbugs | Western Association | , | |
| Ray Collins | collin001ray | 1907 | Burlington | Vermont State | , | ||
| Robert Collins | collin002rob | 1907 | 5/2-9/6+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Shano Collins | collin004joh | 1907 | 8/22-9/7 | Haverhill Hustlers | New England League | , | |
| William Collins | 1907 | +8/12-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Theodore Collison | 1907 | College | , | ||||
| Theodore Collison | 1907 | +8/11+ | New London Whalers | Connecticut State League | , | ||
| Collister | 1907 | 6/10-6/15 | Fulton | Empire State League | , | ||
| Thomas Collom | 1907 | 5/5-9/8 | Umpire | Atlantic League | , | ||
| Jim Collopy | collop001jam | 1907 | Oil City-Jamestown Oseejays | Interstate League | , | ||
| Carl Comingor | 1907 | 5/4 | South Bend Greens | Central League | , | ||
| Marshall Comingor | 1907 | 4/10-5/11 | Augusta Tourists | South Atlantic League | , | ||
| Marshall Comingor | 1907 | 5/17-7/17 | Danville Red Sox | Virginia League | , | ||
| Marshall Comingor | 1907 | no g. | Little Rock Travelers | Southern Association | , | ||
| Comiskey | 1907 | 5/10-5/30 | Madison Senators | Wisconsin State League | , | ||
| Comiskey | 1907 | 9/3-9/5 | Geneva | Empire State League | , | ||
| Paul Companion | compan001pau | 1907 | 5/22-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Harry Compton | compto001har | 1907 | 5/1-9/26 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Ralph Comstock | 1907 | +7/25+ | Hillsdale MI | Independent | , | ||
| Ralph Comstock | 1907 | 8/25 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Edward Conahan | 1907 | 4/17-9/14 | Umpire | Western League | , | ||
| Conaway | 1907 | 8/4 | Scottdale Giants | Western Pennsylvania League | , | ||
| Robert Conaway | conawa001rob | 1907 | 4/25-7/8 | Grand Rapids Wolverines | Central League | , | |
| Robert Conaway | conawa001rob | 1907 | 7/31-9/2 | Clarksburg Bees | Western Pennsylvania League | , | |
| Robert Conaway | 1907 | 5/1-5/17 | Scottdale Giants | Western Pennsylvania League | , | ||
| Robert Conaway | 1907 | 7/31-9/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Robert Conaway | 1907 | Grand Rapids Wolverines | Central League | , | |||
| James Conevery | conave001j-- | 1907 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| James Conevery | conave001j-- | 1907 | 5/24-9/7 | Geneva | Empire State League | , | |
| Bunk Congalton | congal001wil | 1907 | 9 g. | Cleveland | American League | Cleveland, OH | |
| Bunk Congalton | congal001wil | 1907 | 124 g. | Boston | American League | Boston, MA | |
| Charles Conklin | conkli002cha | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Charles Conklin | conkli002cha | 1907 | Taylorville Tailors | Eastern Illinois League | , | ||
| John Conley | 1907 | 5/10-6/13 | Lowell Tigers | New England League | , | ||
| Bert Conn | conn--001alb | 1907 | 4/24-4/27 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Bert Conn | conn--001alb | 1907 | 4/29-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Connaughton | 1907 | 6/26-8/15 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Frank Connaughton | connau001fra | 1907 | 4/26-9/7 | Lynn Shoemakers | New England League | , | |
| Connell | 1907 | 6/30 | Chester/Tamaqua | Atlantic League | , | ||
| Jerry Connell | connel001jer | 1907-14 | New Haven | Connecticut League | , | ||
| Ralph Connell | connel039--- | 1907 | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Thomas Connell | 1907 | Newton KS | Independent | , | |||
| Connelly | 1907 | 5/23-6/11 | Orangeburg Edistoes | South Carolina League | , | ||
| Edward Connelly | 1907 | 4/8-9/4 | Augusta Tourists | South Atlantic League | , | ||
| Florence Connelly | connel000flo | 1907 | Dubois PA | Independent | , | ||
| Florence Connelly | connel000flo | 1907 | Corning NY | Independent | , | ||
| Florence Connelly | connel000flo | 1907 | Red Hook | Hudson River League | , | ||
| Conner | 1907 | +5/12+ | Montreal Royals | Eastern League | , | ||
| Conner | 1907 | +9/12+ | Springfield Ponies | Connecticut State League | , | ||
| James Conner | 1907 | 14 g. | Toronto Maple Leafs | Eastern League | , | ||
| Dan Connolly | 1907 | 4/24- | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Dan Connolly | 1907 | 5/31-6/3 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Patrick Connolly | connol001pat | 1907 | 5/1-9/6 | Haverhill Hustlers | New England League | , | |
| William Connolly | 1907 | 4/24-5/31 | Wilmington Peaches | Tri-State League | , | ||
| Jim Connor | connor001jim | 1907 | 7/25-9/7 | Fall River Indians | New England League | , | |
| Jim Connor | connor001jim | 1907 | 9/13- | Jersey City Skeeters | Eastern League | , | |
| Joe Connor | connor002jos | 1907 | 4/27-7/9 | Montreal Royals | Eastern League | , | |
| Joe Connor | connor002jos | 1907 | 52 g. | Springfield Ponies | Connecticut State League | , | |
| John Connor | connor001joh | 1907 | 4/10-4/23 | Montgomery Senators | Southern Association | , | |
| John Connor | connor001joh | 1907 | 4/27-6/7 | Savannah Indians | South Atlantic League | , | |
| John Connor | connor001joh | 1907 | 8/7-9/2 | Reading | Atlantic League | , | |
| Joseph Connor | 1907 | preseason | Galveston Sand Crabs | Texas League | , | ||
| Joseph Connor | 1907 | Fort Worth Panthers | Texas League | , | |||
| Joseph Connor | 1907 | +7/4+ | Gainesville TX | Independent | , | ||
| Thomas Connor | 1907 | 4/24-9/13 | Umpire | Tri-State League | , | ||
| Connors | connor002joh | 1907 | 4/27-6/16 | Toronto Maple Leafs | Eastern League | , | |
| Connors | connor002joh | 1907 | 6/19-9/12 | Milwaukee Brewers | American Association | , | |
| Connors | 1907 | Fairmont Champions | Western Pennsylvania League | , | |||
| Connors | 1907 | Montgomery Senators | Southern Association | , | |||
| Connors | 1907 | Savannah Indians | South Atlantic League | , | |||
| Bill Connors | connor001wil | 1907 | 5/1-9/15 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Bill Connors | connor002wil | 1907 | 5/14- | 7 g. | Haverhill Hustlers | New England League | , |
| Bill Connors | connor002wil | 1907 | -6/13 | Worcester Busters | New England League | , | |
| C. Connors | 1907 | 5/1-9/2 | Fairmont Champions | Western Pennsylvania League | , | ||
| Ed Connors | connor002edw | 1907 | 4/24-5/17 | Trenton Tigers | Tri-State League | , | |
| Ed Connors | connor002edw | 1907 | 5/28 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Ed Connors | connor002edw | 1907 | -9/14 | 64 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| J./S. Connors | 1907 | 5/21-5/27 | Fairmont Champions | Western Pennsylvania League | , | ||
| Jim Connors | 1907 | St. Paul Saints | American Association | , | |||
| William Connors | 1907 | 4/26-7/17 | Lawrence Colts | New England League | , | ||
| Jack Conroy | 1907 | 27 g. | Pine Tree | Maine State League | , | ||
| Jack Conroy | 1907 | 45 g. | Portland Blue Sox | Maine State League | , | ||
| Joe Conroy | conroy000joe | 1907 | 5/10-6/10 | Pottsville | Atlantic League | , | |
| Joe Conroy | conroy000joe | 1907 | 6/12-6/23 | Easton | Atlantic League | , | |
| Martin Conroy | 1907 | 74 g. | Oil City-Jamestown Oseejays | Interstate League | , | ||
| Michael Conroy | 1907 | 93 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Leroy Converse | conver001ler | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Leroy Converse | conver001ler | 1907 | no g. | Terre Haute Hottentots | Central League | , | |
| Leroy Converse | conver001ler | 1907 | 5/9-9/22 | Oshkosh Indians | Wisconsin State League | , | |
| John Conway | 1907 | 4/25-9/24 | Umpire | Eastern League | , | ||
| John Conway | 1907 | Scottdale Giants | Western Pennsylvania League | , | |||
| Cook | 1907 | 5/25-6/11 | Lyons | Empire State League | , | ||
| Cook | 1907 | 5/30-7/15 | Easton | Atlantic League | , | ||
| Albert Cook | 1907 | 6/15-9/22 | Madison Senators | Wisconsin State League | , | ||
| C. C.? Cook | 1907 | 7/23-9/21 | Portsmouth Truckers | Virginia League | , | ||
| Jim Cook | cook--002jam | 1907 | 4/17-6/28 | Pueblo Indians | Western League | , | |
| Jim Cook | cook--002jam | 1907 | 7/1-9/15 | Indianapolis Indians | American Association | , | |
| Louis Cook | cook--002lou | 1907 | U. Illinois | College | , | ||
| Louis Cook | cook--002lou | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| M. D. Cook | 1907 | 8/19-9/7 | Lowell Tigers | New England League | , | ||
| Cab Cooke | cook--002c-- | 1907 | 4/13-4/20 | Vicksburg Hill Billies | Cotton States League | , | |
| Cab Cooke | cook--002c-- | 1907 | 5/20-8/9 | Orangeburg Edistoes | South Carolina League | , | |
| Duff Cooley | cooley001duf | 1907 | 4/17-9/15 | Louisville Colonels | American Association | , | |
| Duff Cooley | cooley001duf | 1907 | 9/20 | Topeka White Sox | Western Association | , | |
| M. G. Cooley | 1907 | 4/24-5/11 | Roanoke Tigers | Virginia League | , | ||
| M. G. Cooley | 1907 | 5/17-5/24 | Norfolk Tars | Virginia League | , | ||
| Mel Cooley | cooley001mel | 1907 | 9/20- | Topeka White Sox | Western Association | , | |
| William Cooley | cooley001wil | 1907 | 4/26-5/8 | South Bend Greens | Central League | , | |
| William Cooley | cooley001wil | 1907 | 5/19-9/15 | Canton Chinamen | Central League | , | |
| Cecil Coombs | 1907 | 5/12-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Jack Coombs | coombs001joh | 1907 | 24 g. | Philadelphia | American League | Philadelphia, PA | |
| Coon | 1907 | Carlisle Indian | School | , | |||
| Coon | 1907 | 6/2 | Flint Vehicles | Southern Michigan League | , | ||
| Cooney | 1907 | +5/23+ | Lynn Shoemakers | New England League | , | ||
| Bill Cooney | cooney001wil | 1907 | 5/7-6/4 | Lynn Shoemakers | New England League | , | |
| Edward Cooney | cooney001edw | 1907 | Hudson Marines | Hudson River League | , | ||
| Edward Cooney | cooney001edw | 1907 | 6/24-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| James Cooney | 1907 | Princeton Univ. | College | , | |||
| James Cooney | 1907 | 6/17-8/22 | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Phil Cooney | cooney001phi | 1907 | 4/24-8/2 | Johnstown Johnnies | Tri-State League | , | |
| Cooper | 1907 | 6/5-8/7 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Cooper | 1907 | 6/8-7/27 | Greenville Mountaineers | South Carolina League | , | ||
| Frank Cooper | cooper001ike | 1907 | 5/22 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Frank Cooper | cooper001ike | 1907 | 5/30 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Frank Cooper | cooper001ike | 1907 | 23 g. | Dallas Giants | Texas League | , | |
| George Cooper | 1907 | 4/19-6/3 | Roanoke Tigers | Virginia League | , | ||
| George Cooper | 1907 | Bramwell WV | Independent | , | |||
| George Cooper | 1907 | 7/18-8/29 | Danville Red Sox | Virginia League | , | ||
| George Cooper | 1907 | 9/5-9/6 | Roanoke Tigers | Virginia League | , | ||
| Harry Cooper | 1907 | 5/8 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Jimmy Cooper | cooper002jam | 1907 | 5/8-9/15 | Canton Chinamen | Central League | , | |
| John Cooper | 1907 | 123 g. | Temple Boll Weevils | Texas League | , | ||
| Walter Cooper | 1907 | 9/6-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Paul Coover | 1907 | 5/30-9/26 | Mattoon Giants | Eastern Illinois League | , | ||
| Tommy Cope | cope--001tho | 1907 | Bloomers | Independent | , | ||
| Tommy Copeland | copela001tho | 1907 | 5/7-8/24 | Jacksonville Lunatics | Iowa League | , | |
| Tommy Copeland | copela001tho | 1907 | 8/25-9/15 | Marshalltown Snappers | Iowa League | , | |
| John Corbett | corbet001joh | 1907 | 5/7-9/15 | Ottumwa Packers | Iowa League | , | |
| Ted Corbett | corbet001the | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | |
| Mickey Corcoran | corcor001mic | 1907 | 4/24-7/3 | Buffalo Bisons | Eastern League | , | |
| Mickey Corcoran | corcor001mic | 1907 | 7/11- | Montreal Royals | Eastern League | , | |
| Phil Corcoran | corcor001phi | 1907 | 45 g. | New Haven Blues | Connecticut State League | , | |
| Thomas Corcoran | 1907 | 6/15-6/19 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Tommy Corcoran | corcor002tho | 1907 | -7/10 | 62 g. | New York | National League | New York, NY |
| Tommy Corcoran | corcor002tho | 1907 | 8/5-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Cording | 1907 | 6/17 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| John Core | 1907 | 4/25-6/9 | Wheeling Stogies | Central League | , | ||
| John Core | 1907 | 6/11-9/13 | Dayton Veterans | Central League | , | ||
| Corey | 1907 | 8 g. | Pine Tree | Maine State League | , | ||
| Corey | 1907 | +9/7+ | Kingston | Southern New Hampshire League | , | ||
| Roy Corhan | 1907 | 4/17-9/15 | Pueblo Indians | Western League | , | ||
| Robert Corkill | corkil001rob | 1907 | 4/10-4/12 | Little Rock Travelers | Southern Association | , | |
| Robert Corkill | corkil001rob | 1907 | 4/17-7/14 | Des Moines Champs | Western League | , | |
| Robert Corkill | corkil001rob | 1907 | 61 g. | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Albert Cornelius | 1907 | no g. | Akron Champs | Ohio-Pennsylvania League | , | ||
| Harry Cornen | cornen001har | 1907 | 46 g. | Bridgeport Orators | Connecticut State League | , | |
| Harry Corns | corns-002har | 1907 | 5/2-9/7+ | Springfield Babes | Central League | , | |
| Red Corriden | corrid001joh | 1907 | 7/29-7/30 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| Frank Corridon | corrid001fra | 1907 | 38 g. | Philadelphia | National League | Philadelphia, PA | |
| Francis Corrigan | corrig001f-- | 1907 | Kenyon MN | Independent | , | ||
| Hugh Corrigan | 1907 | Kenyon MN | Independent | , | |||
| Hugh Corrigan | 1907 | Saskatoon | Independent | , | |||
| Jack Corrigan | corrig002joh | 1907 | 50 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| Jack Corrigan | corrig002joh | 1907 | Saskatoon | Independent | , | ||
| Jack Corrigan | corrig002joh | 1907 | 8/11-9/22 | Green Bay Orphans | Wisconsin State League | , | |
| Thomas Cosgrove | cosgro001tho | 1907 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| George Coss | 1907 | +7/24+ | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Henry Cote | cote--002hen | 1907 | 4//18-8/12 | Roanoke Tigers | Virginia League | , | |
| Leonard Cote | 1907 | 39 g. | Augusta | Maine State League | , | ||
| Leonard Cote | 1907 | 4 g. | Biddeford | Maine State League | , | ||
| Leonard Cote | 1907 | 21 g. | Pine Tree | Maine State League | , | ||
| John Cotter | cotter001joh | 1907 | 16 g. | Bradford Drillers | Interstate League | , | |
| Joseph Cotter | cotter001jos | 1907 | 5/13- | Montpelier-Barre | Vermont League | , | |
| William Cotter | 1907 | Umpire | Vermont League | , | |||
| Coughlin | coughl005--- | 1907 | 9/1 | Brooklyn | Atlantic League | , | |
| John Coughlin | coughl001joh | 1907 | 5/13-7/23 | Wilkes-Barre Barons | New York State League | , | |
| John Coughlin | coughl001joh | 1907 | 7/27-9/22 | Utica Pent-Ups | New York State League | , | |
| Bob Coulson | coulso002rob | 1907 | 6/17- | 65 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| Cy Coulter | coulte001art | 1907 | 4/17-9/15 | Indianapolis Indians | American Association | , | |
| Joe Courneen | courne001jos | 1907 | Umpire | Wisconsin-Illinois League | , | ||
| Courtney | 1907 | 7/17 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Courtney | 1907 | 6/22-9/8 | Newark | Atlantic League | , | ||
| Frank Courtney | 1907 | 4/26-7/25 | Lawrence Colts | New England League | , | ||
| Harry Coveleski | covele001har | 1907 | 14 g. | Kane Mountaineers | Interstate League | , | |
| Harry Coveleski | covele001har | 1907 | 9/10 | Philadelphia | National League | Philadelphia, PA | |
| Jack Coveney | covene001joh | 1907 | 4/26- | New Bedford Whalers | New England League | , | |
| Jack Coveney | covene001joh | 1907 | -9/7 | Lawrence Colts | New England League | , | |
| Claud Coverdale | 1907 | Coffeyville KS | Independent | , | |||
| Harry Covey | 1907 | 54 g. | Bangor White Sox | Maine State League | , | ||
| Harry Covey | 1907 | 8 g. | Manchester | Maine State League | , | ||
| William Covington | 1907 | 27 g. | Houston Buffaloes | Texas League | , | ||
| William Covington | 1907 | 1 g. | Terrell Red Stockings | North Texas League | , | ||
| Edgar Cowan | 1907 | 59 g. | Paris Athletics | North Texas League | , | ||
| Edgar Cowan | 1907 | 17 g. | Temple Boll Weevils | Texas League | , | ||
| George Cowan | cowan-001geo | 1907 | 4/19-9/21 | Richmond Colts | Virginia League | , | |
| Walter Cowan | 1907 | 6/3-9/2 | Fairmont Champions | Western Pennsylvania League | , | ||
| Thomas Cowell | 1907 | 7/9 | Taylorville Tailors | Eastern Illinois League | , | ||
| Thomas Cowell | 1907 | 8/30-9/13 | Taylorville Tailors | Eastern Illinois League | , | ||
| Cox | 1907 | +8/9-9/18 | Columbus Discoverers | Cotton States League | , | ||
| Cox | 1907 | 5/10-5/11 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Cox | 1907 | 7/22-7/29 | Chester/Tamaqua | Atlantic League | , | ||
| Chesty Cox | cox---002eug | 1907 | 96 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| James Cox | cox---001jam | 1907 | 20 g. | Portland Blue Sox | Maine State League | , | |
| Ralph Cox | cox---000ral | 1907 | 5/7-7/29 | Reading | Atlantic League | , | |
| Ralph Cox | cox---000ral | 1907 | 8/2-9/8 | Newark | Atlantic League | , | |
| Bert Coy | coy---001ber | 1907 | 4/18-5/8 | St. Paul Saints | American Association | , | |
| Bert Coy | coy---001ber | 1907 | 5/26-10/6 | Seattle Siwashes | Northwestern League | , | |
| James Coykendall | 1907 | 5/9-9/15 | Ottumwa Packers | Iowa League | , | ||
| Elmer Coyle | 1907 | 59 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Elmer Coyle | 1907 | 68 g. | Houston Buffaloes | Texas League | , | ||
| Frank Coyle | coyle-001fra | 1907 | Temple Boll Weevils | Texas League | , | ||
| Cozart | 1907 | 7/1-7/2 | Orangeburg Edistoes | South Carolina League | , | ||
| Cozart | 1907 | 7/4-7/6 | Anderson Electricians | South Carolina League | , | ||
| Ruben Crabbe | 1907 | 6/6-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| George Crable | crable001geo | 1907 | +5/11+ | Denv.-Hanovers | Independent | , | |
| George Crable | crable001geo | 1907 | +6/2-6/30+ | Denv.-Salida | Independent | , | |
| George Crable | crable001geo | 1907 | +8/3+ | Cimarron | , | ||
| George Crable | crable001geo | 1907 | +8/25+ | Tombstone | , | ||
| George Crable | crable001geo | 1907 | +9/2+ | Albuquerque | , | ||
| George Crable | crable001geo | 1907 | +10/20+ | Tucson | , | ||
| Craft | 1907 | Kane Mountaineers | Interstate League | , | |||
| Craft | 1907 | 5/23,8/6 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Edward Craig | craig-001edw | 1907 | 5/12- | Centralia White Stockings/Paris Colts | Eastern Illinois League | , | |
| Edward Craig | craig-001edw | 1907 | -8/15 | Pana Coal Miners | Eastern Illinois League | , | |
| George Craig | craig-001geo | 1907 | Phil.-Paschall | Independent | , | ||
| George Craig | craig-001geo | 1907 | 7/19 | Philadelphia | American League | Philadelphia, PA | |
| George Craig | craig-001geo | 1907 | 9/4 | Utica Pent-Ups | New York State League | , | |
| George Craig | craig-001geo | 1907 | 9/17 | Philadelphia | American League | Philadelphia, PA | |
| George? Craig | 1907 | preseason | Portsmouth Truckers | Virginia League | , | ||
| George? Craig | 1907 | 6/28-7/2 | Chester/Tamaqua | Atlantic League | , | ||
| Harry? Craig | 1907 | 5/20-5/26 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Ralph Craig | craig-001ral | 1907 | 5/7-7/17 | Jacksonville Lunatics | Iowa League | , | |
| Frank Cramer | 1907 | 6/19-9/15 | Oskaloosa Quakers | Iowa League | , | ||
| Doc Crandall | cranda002jam | 1907 | 5/1-7/1 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Karl Crandall | 1907 | 9/5-9/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Crane | 1907 | 5/4-9/8 | Elizabeth | Atlantic League | , | ||
| Anthony Crane | crane-001ant | 1907 | 81 g. | Erie Sailors | Interstate League | , | |
| James Crangle | crangl001jam | 1907 | 5/11-5/20 | Oshkosh Indians | Wisconsin State League | , | |
| James Crangle | crangl001jam | 1907 | 6/22-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Bill Cranston | cranst001wil | 1907 | 5/25-9/22 | Syracuse Stars | New York State League | , | |
| R. J. Cranston | 1907 | 5/20-6/3 | Spartanburg Spartans | South Carolina League | , | ||
| Gavvy Cravath | cravat001cli | 1907 | Los Angeles Angels | Pacific Coast League | , | ||
| Garnett Craven | craven001gar | 1907 | Flint Vehicles | Southern Michigan League | , | ||
| Forrest Crawford | crawfo001for | 1907 | -5/17 | 26 g. | St. Louis | National League | St. Louis, MO |
| Forrest Crawford | crawfo001for | 1907 | 5/30-9/24 | Providence Grays | Eastern League | , | |
| Roy Creasey | 1907 | Cinc-College Hill | Independent | , | |||
| Roy Creasey | 1907 | 6/10-6/18 | Anderson Electricians | South Carolina League | , | ||
| Roy Creasey | 1907 | Cinc-College Hill | Independent | , | |||
| Birdie Cree | cree--001wil | 1907 | Penn State Univ. | College | , | ||
| Birdie Cree | cree--001wil | 1907 | 6/10-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Creed | 1907 | +8/24-8/26+ | 13 g. | Waco Navigators | Texas League | , | |
| Leslie Crichlow | 1907 | Columbus Discoverers | Cotton States League | , | |||
| Leslie Crichlow | 1907 | Vicksburg Hill Billies | Cotton States League | , | |||
| Leslie Crichlow | 1907 | Tallulah LA | Independent | , | |||
| Leslie Crichlow | 1907 | Monroe LA | Independent | , | |||
| Leslie Crichlow | 1907 | 7/25-7/26+ | Columbus Discoverers | Cotton States League | , | ||
| Leslie Crichlow | 1907 | 9/18 | Vicksburg Hill Billies | Cotton States League | , | ||
| Pat Crisham | crisha002pat | 1907 | 5/12-9/22 | Syracuse Stars | New York State League | , | |
| Joseph Crisp | crisp-001jos | 1907 | 94 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| Joseph Crisp | crisp-001jos | 1907 | 9/7-9//15 | Kansas City Blues | American Association | , | |
| Dode Criss | criss-001dod | 1907 | 4/17-9/15 | St. Paul Saints | American Association | , | |
| Charles Crist | crist-000cha | 1907 | 38 g. | Edmonton Grays | Western Canada League | , | |
| Charles Crist | crist-000cha | 1907 | 9/17-9/21 | Spokane Indians | Northwestern League | , | |
| Ches Crist | crist-001che | 1907 | 4/24-9/13 | Trenton Tigers | Tri-State League | , | |
| Bill Cristall | crista001wil | 1907 | 4/10-4/27 | New Orleans Pelicans | Southern Association | , | |
| Bill Cristall | crista001wil | 1907 | 5/1-9/12 | Memphis Egyptians | Southern Association | , | |
| Richard Crittenden | 1907 | 5/8-6/11 | Ottumwa Packers | Iowa League | , | ||
| Davey Crockett | crocke001dan | 1907 | 131 g. | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| George Croll | croll-001geo | 1907 | 110 g. | Vancouver Canucks | Northwestern League | , | |
| George Croll | croll-001geo | 1907 | 11 g. | Portland Beavers | Pacific Coast League | , | |
| Lyle Cromley | cromle001lyl | 1907 | 4/18-7/1 | Indianapolis Indians | American Association | , | |
| Lyle Cromley | cromle001lyl | 1907 | 7/4-7/18 | Kansas City Blues | American Association | , | |
| Jack Cronin | cronin001joh | 1907 | 4/29-9/24 | Providence Grays | Eastern League | , | |
| Tom Crooke | crooke001tho | 1907 | 5/18-8/8 | Trenton Tigers | Tri-State League | , | |
| Tom Crooke | crooke001tho | 1907 | 8/20-9/13 | Toronto Maple Leafs | Eastern League | , | |
| Reta Crosley | 1907 | 41 g. | Monroe Municipals | Gulf Coast League | , | ||
| Frank Cross | cross-001fra | 1907 | 4/26-7/23 | South Bend Greens | Central League | , | |
| Frank Cross | cross-001fra | 1907 | +7/27-7/28+ | Terre Haute Hottentots | Central League | , | |
| Frank Cross | cross-001fra | 1907 | 8/13-9/13 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Lave Cross | cross-001laf | 1907 | -6/6 | 41 g. | Washington | American League | Washington, DC |
| Lave Cross | cross-001laf | 1907 | 6/21-9/14 | New Orleans Pelicans | Southern Association | , | |
| Lem Cross | cross-001lem | 1907 | 5/1-9/6 | Brockton Tigers | New England League | , | |
| Nathan Cross | cross-001nat | 1907 | 6/1-9/22 | Battle Creek Crickets | Southern Michigan League | , | |
| Dan Crotty | crotty001dan | 1907 | 6/6-9/12 | Umpire | Oklahoma-Arkansas-Kansas League | , | |
| Francis Crotty | crotty000fra | 1907 | 5/14-5/20 | Bay City | Southern Michigan League | , | |
| Francis Crotty | crotty000fra | 1907 | 5/30-6/10 | Flint Vehicles | Southern Michigan League | , | |
| Crouch | 1907 | Sacred Heart Col. | College | , | |||
| Crouch | 1907 | 6/17 | South Bend Greens | Central League | , | ||
| Crouch | 1907 | Laporte | , | ||||
| Crouch | 1907 | 7/13 | Jackson Convicts | Southern Michigan League | , | ||
| John Crouch | 1907 | Newberry College | College | , | |||
| Leo Croughn | crough001--- | 1907 | 5/2-5/18 | Hutchinson Salt Packers | Western Association | , | |
| Leo Croughn | crough001--- | 1907 | 6/17-7/4 | Portsmouth Truckers | Virginia League | , | |
| Edward Crowder | crowde001ned | 1907 | 4/25-9/15 | Evansville River Rats | Central League | , | |
| Crowley | 1907 | 5/4-5/15 | Easton | Atlantic League | , | ||
| James Crowley | 1907 | 6/12-6/28+ | Lowell Tigers | New England League | , | ||
| Dick Crozier | crozie001j-- | 1907 | 5/14-9/4 | Augusta Tourists | South Atlantic League | , | |
| Norman Cruikshank | 1907 | 4/26-7/23+ | South Bend Greens | Central League | , | ||
| Norman Cruikshank | 1907 | 8/9-9/15 | Waterloo Cubs | Iowa League | , | ||
| C. C. Cruise | 1907 | 8/6-9/15 | Pueblo Indians | Western League | , | ||
| Walter Crum | crum--001wal | 1907 | 50 g. | Punxsutawney Policemen | Interstate League | , | |
| Otto Crump | crump-004--- | 1907 | +9/5+ | Chat.-Dux | ChatCity | , | |
| Otto Crump | crump-004--- | 1907 | U. of Chattanooga | College | , | ||
| Louis Crutcher | 1907 | 4/19-7/21 | Kansas City Blues | American Association | , | ||
| Louis Crutcher | 1907 | 7/28-9/14 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Richard Crutcher | 1907 | 4/19-7/21 | Kansas City Blues | American Association | , | ||
| Richard Crutcher | 1907 | 31 g. | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Edward Crutchley | 1907 | PA State Univ. | College | , | |||
| Joseph Cuddy | cuddy-001joh | 1907 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Joseph Cuddy | cuddy-001joh | 1907 | 5/2-5/21 | Beaver Falls Beavers | Western Pennsylvania League | , | |
| Joseph Cuddy | cuddy-001joh | 1907 | 6/6-9/8 | Brooklyn | Atlantic League | , | |
| William Cudmore | 1907 | 17 g. | Seattle Siwashes | Northwestern League | , | ||
| William Cudmore | 1907 | Vancouver Canucks | Northwestern League | , | |||
| John Cullen | 1907 | Sharon Giants | Ohio-Pennsylvania League | , | |||
| James Cullum | 1907 | Umpire | Atlantic League | , | |||
| William Culver | culver002wil | 1907 | 9/2-9/8 | Reading | Atlantic League | , | |
| Alvin Cummings | 1907 | 57 g. | Duluth White Sox | Northern-Copper Country League | , | ||
| Andrew Cummings | 1907 | 5/12-6/4 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Anthony Cummings | 1907 | 5/11-9/7 | Lawrence Colts | New England League | , | ||
| Cy Cummings | cummin012--- | 1907 | George Wash. U. | College | , | ||
| Francis Cummings | 1907 | 5/20-7/14 | Keokuk Indians | Iowa League | , | ||
| John Cummings | 1907 | Butler PA | Independent | , | |||
| John Cummings | 1907 | 5/1-6/5 | Butler White Sox | Western Pennsylvania League | , | ||
| Roscoe Cummings | cummin001ros | 1907 | 4/18-8/3 | Norfolk Tars | Virginia League | , | |
| Roscoe Cummings | cummin001ros | 1907 | 8/6-9/4 | Lynchburg Shoemakers | Virginia League | , | |
| Roscoe Cummings | cummin001ros | 1907 | 9/6-9/21 | Norfolk Tars | Virginia League | , | |
| Cummins | 1907 | +9/10+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Mike Cunningham | cunnin001mod | 1907 | 20 g. | Hartford Senators | Connecticut State League | , | |
| Jacob Cuppy | cuppy-001jac | 1907 | 5/9-5/15 | La Crosse Badgers | Wisconsin State League | , | |
| Curley | 1907 | 6/17-7/31 | Geneva | Empire State League | , | ||
| Curley | 1907 | 7/8-7/17 | Chester/Tamaqua | Atlantic League | , | ||
| Clarence Currie | currie001cla | 1907 | 4/29-8/15 | Buffalo Bisons | Eastern League | , | |
| William Currie | 1907 | 5/14-8/29 | Flint Vehicles | Southern Michigan League | , | ||
| Curry | 1907 | 6/19-6/21 | Chester/Tamaqua | Atlantic League | , | ||
| Curry | 1907 | 7/25 | Meridian Ribboners | Cotton States League | , | ||
| Curry | 1907 | 7/28 | Easton | Atlantic League | , | ||
| Henry Curry | 1907 | 5/7-7/14 | Reading | Atlantic League | , | ||
| Tom Curry | 1907 | Trinidad CO | Independent | , | |||
| Tom Curry | 1907 | 5/15-5/17 | Pueblo Indians | Western League | , | ||
| Tom Curry | 1907 | Cimmarron NM | Independent | , | |||
| Curtis | 1907 | +7/30+ | Joplin Miners | Western Association | , | ||
| Cliff Curtis | curtis001cli | 1907 | 4/20-9/16 | Milwaukee Brewers | American Association | , | |
| Clyde Curtis | curtis001cly | 1907 | 5/1-7/19 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Clyde Curtis | curtis001cly | 1907 | 7/21-9/15 | Waterloo Cubs | Iowa League | , | |
| Dan Curtis | 1907 | 6/9-6/24 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Dan Curtis | 1907 | 6/26-7/5 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Don Curtis | curtis002don | 1907 | 4/18-6/5 | Roanoke Tigers | Virginia League | , | |
| Fred Curtis | curtis001fre | 1907 | 5/1-5/8 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Gene Curtis | curtis002eug | 1907 | 4/25-6/8 | Grand Rapids Wolverines | Central League | , | |
| Gene Curtis | curtis002eug | 1907 | 6/16-8/1 | Dayton Veterans | Central League | , | |
| Gene Curtis | curtis002eug | 1907 | 8/7-9/5+ | South Bend Greens | Central League | , | |
| Gene Curtis | curtis002eug | 1907 | 27 g. | Roanoke Tigers | Virginia League | , | |
| Harry Curtis | curtis001har | 1907 | U. of Notre Dame | College | , | ||
| Harry Curtis | curtis001har | 1907 | 36 g. | Bradford Drillers | Interstate League | , | |
| Harry Curtis | curtis001har | 1907 | 8/28-10/5 | New York | National League | New York, NY | |
| Joe Curtis | curtis001jos | 1907 | 103 g. | Springfield Ponies | Connecticut State League | , | |
| Paul Curtis | curtis001pau | 1907 | 7/30 | Joplin Miners | Western Association | , | |
| Peter Curtis | 1907 | Atlantic City NJ | Independent | , | |||
| Peter Curtis | 1907 | 8/9-9/14 | Jersey City Skeeters | Eastern League | , | ||
| Tom Curtis | 1907 | 5/2-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Jack Curtiss | 1907 | Empire State League | , | ||||
| Stephen Cusack | 1907 | 4/25-9/4 | Umpire | Eastern League | , | ||
| James Cuthbert | 1907 | 5/2-9/22 | Springfield Midgets | Western Association | , | ||
| Thomas Cuthbert | 1907 | 6/27 | Lynn Shoemakers | New England League | , | ||
| Ralph Cutting | 1907 | 4/29-8/21 | Brockton Tigers | New England League | , | ||
| Herman Dahlgren | 1907 | +7/24+ | Warren MN | Independent | , | ||
| William Dahlquist | dahlqu001wil | 1907 | 8/17-8/24 | Marshalltown Snappers | Iowa League | , | |
| George Dailey | 1907 | 68 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| G. Daily | 1907 | 5/4-5/8 | Elizabeth | Atlantic League | , | ||
| Charles Dale | 1907 | 5/27-5/28 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| James Daley | daley-002jam | 1907 | 5/24-5/25 | Seneca Falls | Empire State League | , | |
| James Daley | daley-002jam | 1907 | 7/16-8/30 | Lyons | Empire State League | , | |
| Judson Daley | daley-001jud | 1907 | 4/10-9/14 | Shreveport Pirates | Southern Association | , | |
| Thomas Daley | 1907 | 94 g. | Burlington Pathfinders | Iowa League | , | ||
| Tom Daley | daley-001tho | 1907 | 5/7-9/15 | Burlington Pathfinders | Iowa League | , | |
| Dalgren | 1907 | 23 g. | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Dalquist | 1907 | 5/10-5/26+ | Hutchinson Salt Packers | Western Association | , | ||
| George Dalrymple | dalrym001geo | 1907 | 5/2-6/9+ | Webb City Goldbugs | Western Association | , | |
| George Dalrymple | dalrym001geo | 1907 | 6/21-6/25 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| George Dalrymple | dalrym001geo | 1907 | 7/7-7/11 | Topeka White Sox | Western Association | , | |
| James Dalton | 1907 | Alton | Trolley League | , | |||
| James Dalton | 1907 | preseason | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| James Dalton | 1907 | 5/7-9/15 | Quincy Gems | Iowa League | , | ||
| Daly | 1907 | Princeton Univ. | College | , | |||
| Daly | 1907 | 8/30-9/1 | Pottsville | Atlantic League | , | ||
| Daly | 1907 | 9/2 | Newark | Atlantic League | , | ||
| Tom Daly | daly--002tho | 1907 | 5/1-5/4 | Altoona Mountaineers | Tri-State League | , | |
| Tom Daly | daly--002tho | 1907 | 5/18 | Johnstown Johnnies | Tri-State League | , | |
| Tom Daly | daly--002tho | 1907 | 6/22-6/28 | Johnstown Johnnies | Tri-State League | , | |
| Bill Dam | dam---001elb | 1907 | 4/29- | 21 g. | Lowell Tigers | New England League | , |
| Bill Dam | dam---001elb | 1907 | -9/7 | Worcester Busters | New England League | , | |
| Bill Dammann | damman001bil | 1907 | 5/10-5/21 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Bill Dammann | damman001bil | 1907 | 5/29-9/15 | Evansville River Rats | Central League | , | |
| Dana | 1907 | 7/28 | Mobile Sea Gulls | Cotton States League | , | ||
| Michael Danahey | 1907 | +5/26+ | Amherst College | College | , | ||
| Michael Danahey | 1907 | 7/6-9/7 | Fulton | Empire State League | , | ||
| L. B. Danford | 1907 | Washington | Pennsylvania-Ohio-Maryland League | , | |||
| Frank Dang | 1907 | 5/1-5/23 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Frank Dang | 1907 | 93 g. | Quincy Gems | Iowa League | , | ||
| Bert Daniels | daniel001ben | 1907 | Villanova Col | College | , | ||
| Bert Daniels | daniel001ben | 1907 | +7/30+ | Waterbury Authors | Connecticut State League | , | |
| George Danna | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| George Danna | 1907 | Opelousas Indians | Gulf Coast League | , | |||
| Babe Danzig | danzig001har | 1907 | 4/26-9/7 | New Bedford Whalers | New England League | , | |
| Clifford Daringer | 1907 | 4/17-4/20 | Des Moines Champs | Western League | , | ||
| Clifford Daringer | 1907 | 4/27-5/10 | Springfield Babes | Central League | , | ||
| Clifford Daringer | 1907 | 5/14-9/14 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Howard Daringer | 1907 | 5/7 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Howard Daringer | 1907 | 5/23 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Howard Daringer | 1907 | 5/30-6/5 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Howard Daringer | 1907 | 6/6-6/9 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Howard Daringer | 1907 | 6/11-8/9 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Howard Daringer | 1907 | 8/12-9/14 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Sylvia Darrah | 1907 | 5/10-9/20 | Freeport Pretzels | Wisconsin State League | , | ||
| Sylvia Darrah | 1907 | Springfield Senators | Illinois-Indiana-Iowa League | , | |||
| Walter Dashwood | dashwo001wal | 1907 | 4/20-5/23 | Des Moines Champs | Western League | , | |
| Walter Dashwood | dashwo001wal | 1907 | 38 g. | Oakland Oaks | Pacific Coast League | , | |
| Dan Daub | daub--002dan | 1907 | +5/29-8/7+ | Umpire | Central League | , | |
| Dan Daub | daub--002dan | 1907 | 8/16-9/15 | Umpire | Illinois-Indiana-Iowa League | , | |
| Phil Daub | 1907 | Hoboken NJ | Independent | , | |||
| Jacob Daubert | 1907 | 42 g. | Kane Mountaineers | Interstate League | , | ||
| Jacob Daubert | 1907 | 7/20-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Augustus Daum | daum--001aug | 1907 | 4/28-9/7 | Lynn Shoemakers | New England League | , | |
| William Davern | 1907 | 5/2-5/30 | Umpire | South Carolina League | , | ||
| James Davey | davey-002jam | 1907 | 55 g. | Bradford Drillers | Interstate League | , | |
| David | 1907 | 5 g. | Meridian Ribboners | Cotton States League | , | ||
| Bill Davidson | davids007wil | 1907 | 4/17-9/15 | Lincoln Treeplanters | Western League | , | |
| Robert Davidson | davids001pau | 1907 | 5/9-9/15 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Ralph Davie | 1907 | 6/6-9/7 | Lyons | Empire State League | , | ||
| Davies | 1907 | 7/4-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| Davis | 1907 | 5/18-5/19 | Pueblo Indians | Western League | , | ||
| Davis | 1907 | 8/2-8/13 | Oshkosh Indians | Wisconsin State League | , | ||
| Davis | 1907 | 6/19-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Davis | 1907 | 6/26-7/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Davis | 1907 | 8/10 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Ben Davis | davis-001ben | 1907 | 129 g. | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Daniel Davis | davis-002dan | 1907 | 5/1-5/11 | Newark Newks | Ohio-Pennsylvania League | , | |
| Daniel Davis | davis-002dan | 1907 | 5/16-5/18 | Akron Champs | Ohio-Pennsylvania League | , | |
| Daniel Davis | davis-002dan | 1907 | 6/17-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Elmer Davis | davis-002elm | 1907 | 5/1-9/13 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Elmer Davis | davis-002elm | 1907 | +9/17-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Gerald Davis | davis-004ger | 1907 | 5/2-9/22 | Topeka White Sox | Western Association | , | |
| Ira Davis | davis-008j-- | 1907 | 4/8-7/16 | Umpire | South Atlantic League | , | |
| Ira Davis | davis-008j-- | 1907 | 7/20-9/14 | Umpire | Southern Association | , | |
| Lefty Davis | davis-001alf | 1907 | -7/16 | 73 g. | Cincinnati | National League | Cincinnati, OH |
| Lefty Davis | 1907 | 5/4-9/8 | Newark | Atlantic League | , | ||
| Paul Davis | davis-002pau | 1907 | -9/14 | 85 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| W. Davis | 1907 | -9/18 | Joplin Miners | Western Association | , | ||
| William Davis | davis-030wil | 1907 | , | ||||
| Lee Dawkins | dawkin001lev | 1907 | 4/11-9/18 | Umpire | Cotton States League | , | |
| Dawson | 1907 | Butler White Sox | Western Pennsylvania League | , | |||
| Frank Dawson | 1907 | Seaford DE | Independent | , | |||
| Frank Dawson | 1907 | 4/27-4/29 | Springfield Babes | Central League | , | ||
| Fred Dawson | 1907 | 93 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Herbert Dawson | 1907 | 4/12-4/13 | Little Rock Travelers | Southern Association | , | ||
| Herbert Dawson | 1907 | 4/15-4/29 | Vicksburg Hill Billies | Cotton States League | , | ||
| Herbert Dawson | 1907 | 5/20- | 88 g. | San Antonio Bronchos | Texas League | , | |
| Herbert Dawson | 1907 | +6/10-9/4+ | Houston Buffaloes | Texas League | , | ||
| Day | 1907 | +8/17+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Henry Daye | daye--001hen | 1907 | 5/8 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Snake Deal | deal--002joh | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Homer Dean | dean--000hom | 1907 | +8/19+ | Bellingham WA | Independent | , | |
| Charlie DeArmond | dearmo002cha | 1907 | 5/27-5/29 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Charlie DeArmond | dearmo002cha | 1907 | +6/4-8/10 | Umpire | South Carolina League | , | |
| Walter Deaver | deaver001wal | 1907 | 4/8-9/3 | Savannah Indians | South Atlantic League | , | |
| Walter Deaver | deaver001wal | 1907 | 9/11-9/15 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Archie DeBaker | debake001art | 1907 | Muskegon-Mona | Independent | , | ||
| Frank Decanniere | 1907 | 5/2-9/15 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Frank Decanniere | 1907 | 9/20 | Joplin Miners | Western Association | , | ||
| Otto Dechert | 1907 | 5/6-9/1 | Pottsville | Atlantic League | , | ||
| Albert Decker | decker001alb | 1907 | Cinc.-Weidemann | Independent | , | ||
| Albert Decker | decker001alb | 1907 | Stonega | Va Coal Fields | , | ||
| Frank Decker | 1907 | 119 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Alonzo DeCosta | decost001a-- | 1907 | Ridgedale | ChatCity | , | ||
| Bill Deegan | deegan001wil | 1907 | 4/26-6/13 | Jersey City Skeeters | Eastern League | , | |
| Danny Deegan | 1907 | 7/30-8/3 | Brooklyn | Atlantic League | , | ||
| Danny Deegan | 1907 | 8/13-9/1 | Allentown | Atlantic League | , | ||
| Rube DeGroff | degrof001edw | 1907 | 5/9-9/22 | Troy Trojans | New York State League | , | |
| Arista DeHaven | 1907 | 5/12-9/2+ | Terre Haute Hottentots | Central League | , | ||
| Otto Deininger | deinin001ott | 1907 | 4/24-9/14 | Altoona Mountaineers | Tri-State League | , | |
| Jake? Deisel | 1907 | 5/9-9/4 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Charles Deiters | deiter001cha | 1907 | 5/1- | 106 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , |
| Leroy Dekin | dekin-001ler | 1907 | 5/1-5/18 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Frank Delahanty | delaha001fra | 1907 | 15 g. | Cleveland | American League | Cleveland, OH | |
| Jim Delahanty | delaha001jam | 1907 | 33 g. | St. Louis | American League | St. Louis, MO | |
| Jim Delahanty | delaha001jam | 1907 | 108 g. | Washington | American League | Washington, DC | |
| Joe Delahanty | delaha001jos | 1907 | 4/24-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Joe Delahanty | delaha001jos | 1907 | 9/30- | 7 g. | St. Louis | National League | St. Louis, MO |
| William Delahanty | deleha001wil | 1907 | 5/1-8/25+ | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| William Delahanty | deleha001wil | 1907 | Oswego? | , | |||
| Del Delair | 1907 | 9/12-9/15 | Lincoln Treeplanters | Western League | , | ||
| John Delaney | 1907 | 6/26 | New Bedford Whalers | New England League | , | ||
| Edwin DeLave | 1907 | 5/4-5/18 | Allentown | Atlantic League | , | ||
| Edwin DeLave | 1907 | 5/25-7/4 | Auburn | Empire State League | , | ||
| Edwin DeLave | 1907 | 7/15-9/7 | New Bedford Whalers | New England League | , | ||
| Delgarn | 1907 | 6/13-7/4 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| William Dell | dell--001wil | 1907 | Bozeman MT | Independent | , | ||
| Phil Deller | deller001phi | 1907 | 44 g. | Tacoma Tigers | Northwestern League | , | |
| Del Delmas | delmas001ber | 1907 | 175 g. | Los Angeles Angels | Pacific Coast League | , | |
| Charles Delp | 1907 | Bangor | Blue Mountain League | , | |||
| Charles Delp | 1907 | 7/31+ | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Albert Demaree | 1907 | Chic.-Lawndale | Independent | , | |||
| Demezza | 1907 | 6/4-6/11 | Brooklyn | Atlantic League | , | ||
| Deming | 1907 | 8/28 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Chas. Demmitt | 1907 | 4/25-9/13 | Baltimore Orioles | Eastern League | , | ||
| Gene DeMontreville | demont001eug | 1907 | 4/17-5/22 | Toledo Mud Hens | American Association | , | |
| Gene DeMontreville | demont001eug | 1907 | 6/1-9/14 | Birmingham Barons | Southern Association | , | |
| Dempsey | 1907 | 8/7 | Houghton Giants | Northern-Copper Country League | , | ||
| George Deneau | 1907 | 5/14-9/22 | Battle Creek Crickets | Southern Michigan League | , | ||
| Denning | 1907 | 6/25 | Easton | Atlantic League | , | ||
| Bert Dennis | dennis002ber | 1907 | 5/1- | 60 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , |
| M. A. Dennis | 1907 | 5/10-5/13 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| M. A. Dennis | 1907 | 5/20-6/2+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| George Dennison | 1907 | +5/8-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| George Dennison | 1907 | -8/22-9/15 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Owen Depew | depew-001o-- | 1907 | no g. | Webb City Goldbugs | Western Association | , | |
| Owen Depew | depew-001o-- | 1907 | +5/8-5/13+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | |
| DePue | 1907 | Chattanooga TN | Independent | , | |||
| DePue | 1907 | 6/24-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Derby | 1907 | 9/12-9/15 | Pueblo Indians | Western League | , | ||
| William Derby | derby-001--- | 1907 | 4/24-4/30 | Richmond Colts | Virginia League | , | |
| William Derby | derby-001--- | 1907 | 5/17 | Lynchburg Shoemakers | Virginia League | , | |
| William Derby | derby-001--- | 1907 | 5/24-6/25 | Anderson Electricians | South Carolina League | , | |
| Floyd Derham | derham001f-- | 1907 | +8/11-8/12+ | 4 g. | Grand Rapids Wolverines | Central League | , |
| Dermott | 1907 | 8/5-8/30 | Reading | Atlantic League | , | ||
| Bert DeRoehn | deroeh001alb | 1907 | 5/13- | East Manchester | New Hampshire State League | , | |
| Bert DeRoehn | deroeh001alb | 1907 | 31 g. | Bangor White Sox | Maine State League | , | |
| Bert DeRoehn | deroeh001alb | 1907 | 8 g. | Manchester | Maine State League | , | |
| Derrick | 1907 | Umpire | Pacific Coast League | , | |||
| Nick Deshon | denton010--- | 1907 | 6/13 | Auburn | Empire State League | , | |
| Deskin | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| Desmond | 1907 | 6/24-6/29 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Rube Dessau | dessau001fra | 1907 | 29 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Rube Dessau | dessau001fra | 1907 | 9/22- | 2 g. | Boston | National League | Boston, MA |
| Deutrow | deutro000--- | 1907 | 8/2 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Charles Devers | 1907 | 5/28-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Thomas Devine | devine001tho | 1907 | 5/2- | 101 g. | Haverhill Hustlers | New England League | , |
| Thomas Devine | devine001tho | 1907 | -9/7 | Lawrence Colts | New England League | , | |
| Frank Devlin | 1907 | 5/26-7/4 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Frank Devlin | 1907 | 7/10-9/22 | Freeport Pretzels | Wisconsin State League | , | ||
| Josh Devore | devore001jos | 1907 | 4/11=9/18 | Meridian Ribboners | Cotton States League | , | |
| Herbert Dewar | 1907 | 5/1-7/8 | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Herbert Dewar | 1907 | 7/9-9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Herbert Dewar | 1907 | Wash.&Jeff. Col. | College | , | |||
| Dexter | 1907 | 4/27 | Johnstown Johnnies | Tri-State League | , | ||
| Charles Dexter | dexter001cha | 1907 | 4/8-9/4 | Augusta Tourists | South Atlantic League | , | |
| Charlie Dexter | dexter002cha | 1907 | 4/17-9/7 | Des Moines Champs | Western League | , | |
| Frank Dick | dick--001fra | 1907 | 5/8-9/20 | Wichita Jobbers | Western Association | , | |
| Emerson Dickerson | dicker001eme | 1907 | , | ||||
| Guy Dickey | dickey001guy | 1907 | 4/27-9/15 | Springfield Babes | Central League | , | |
| Frank Dickinson | 1907 | Denv.-Hanover | Independent | , | |||
| Frank Dickinson | 1907 | 6/17-6/18 | Denver Grizzlies | Western League | , | ||
| Frank Dickinson | 1907 | 6/21-6/28 | Pueblo Indians | Western League | , | ||
| Walter Dickson | dickso001wal | 1907 | 4/17-6/9 | St. Paul Saints | American Association | , | |
| Walter Dickson | dickso001wal | 1907 | 6/21-9/13 | Grand Rapids Wolverines | Central League | , | |
| Diebold | 1907 | +5/19+ | Buff.-Pine Ridge | Independent | , | ||
| Diebold | 1907 | 7/18-8/23 | Fulton | Empire State League | , | ||
| Charles Diebold | 1907 | Roanoke Tigers | Virginia League | , | |||
| Joseph Diebold | 1907 | 5/9-6/4 | Wilkes-Barre Barons | New York State League | , | ||
| Joseph Diebold | 1907 | 6/17-6/28 | Syracuse Stars | New York State League | , | ||
| Ernie Diehl | diehl-001ern | 1907 | 8/30-9/15 | Toledo Mud Hens | American Association | , | |
| Walter Diehl | 1907 | 62 g. | Keokuk Indians | Iowa League | , | ||
| Diers | 1907 | 2 g. | Greenville Hunters | North Texas League | , | ||
| Heiney Dieters | 1907 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |||
| C. Dillman | 1907 | Hutc. Business C. | College | , | |||
| C. Dillman | 1907 | +5/10+ | Hutc.-Boosters | Independent | , | ||
| C. Dillman | 1907 | +9/2+ | Partridge KS | Independent | , | ||
| Ed Dillon | dillon001edw | 1907 | 5/14-7/14 | Jackson Convicts | Southern Michigan League | , | |
| Ed Dillon | dillon001edw | 1907 | 7/23-9/22 | Mount Clemens Bathers | Southern Michigan League | , | |
| Frank Dillon | dillon001fra | 1907 | 181 g. | Los Angeles Angels | Pacific Coast League | , | |
| J. Dillon | 1907 | 6/6 | Jackson Convicts | Southern Michigan League | , | ||
| Jack Dillon | dillon002joh | 1907 | 7/2-7/6 | Baltimore Orioles | Eastern League | , | |
| Lou Dillon | 1907 | 4/30 | Louisville Colonels | American Association | , | ||
| Thomas Dillon | 1907 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |||
| Tom Dillon | dillon001tho | 1907 | 5/9-5/12 | Wilkes-Barre Barons | New York State League | , | |
| Arthur Dingeman | 1907 | 5/1-5/13 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Fred Dingle | dingle001fre | 1907 | 4/18-5/11 | Norfolk Tars | Virginia League | , | |
| Fred Dingle | dingle001fre | 1907 | 6/20-8/19 | Sumter Gamecocks | South Carolina League | , | |
| Fred Dingle | dingle001fre | 1907 | 9/10-9/21 | Norfolk Tars | Virginia League | , | |
| George Disch | disch-001geo | 1907 | 6/1-6/23 | Marshalltown Snappers | Iowa League | , | |
| George Disch | disch-001geo | 1907 | 6/27-9/22 | Freeport Pretzels | Wisconsin State League | , | |
| William Disch | disch-001wil | 1907 | 55 g. | Galveston Sand Crabs | Texas League | , | |
| William Dithridge | dithri001wil | 1907 | 4/30 | Baltimore Orioles | Eastern League | , | |
| William Dithridge | dithri001wil | 1907 | 5/11-5/13 | Wilmington Peaches | Tri-State League | , | |
| William Dithridge | dithri001wil | 1907 | 6/10-8/31+ | Marion Moguls | Ohio-Pennsylvania League | , | |
| William Dithridge | dithri001wil | 1907 | +9/11+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Harry Dix | 1907 | 10 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Harry Dix | 1907 | 41 g. | Monroe Municipals | Gulf Coast League | , | ||
| Clyde Dixon | dixon-001cly | 1907 | 46 g. | Orange Hoo-Hoos | Gulf Coast League | , | |
| Clyde Dixon | dixon-001cly | 1907 | Alexandria White Sox | Gulf Coast League | , | ||
| Edward Doak | 1907 | 5/12-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Claude Dobard | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Claude Dobard | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| John Dobbins | dobbin001j-- | 1907-10 | President | Atlantic League | , | ||
| William Dobbins | 1907 | 5/7-7/22 | Reading | Atlantic League | , | ||
| John Dobbs | dobbs-001joh | 1907 | 4/10-9/14 | Nashville Volunteers | Southern Association | , | |
| Dobson | 1907 | 11 g. | Portsmouth Truckers | Virginia League | , | ||
| Frank Dobson | 1907 | 4/24-5/21 | Portsmouth Truckers | Virginia League | , | ||
| Frank Dobson | 1907 | 5/27-7/27 | Anderson Electricians | South Carolina League | , | ||
| Frank Dobson | 1907 | 8/9-8/11 | Terre Haute Hottentots | Central League | , | ||
| Tom Dobyns | dobyne001tho | 1907 | 6/2 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Dodd | 1907 | 4/24-4/26 | Umpire | Northwestern League | , | ||
| Archie Dodge | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |||
| Fred Doe | 1907 | 41 g. | Galveston Sand Crabs | Texas League | , | ||
| Mike Doherty | dohert001mic | 1907 | 5/9-9/22 | Albany Senators | New York State League | , | |
| Thomas Doherty | 1907 | 4/26- | 111 g. | Lowell Tigers | New England League | , | |
| Thomas Doherty | 1907 | -9/7 | Worcester Busters | New England League | , | ||
| Dolan | 1907 | 5/25-6/4 | Lyons | Empire State League | , | ||
| Dolan | 1907 | 7/9-7/10 | Geneva | Empire State League | , | ||
| Cozy Dolan | dolan-001alb | 1907 | 5/9-9/22 | Oshkosh Indians | Wisconsin State League | , | |
| Joe Dolan | dolan-001jos | 1907 | 4/17-9/14 | Omaha Rourkes | Western League | , | |
| John Dolan | dolan-002joh | 1907 | 4/12-4/28 | Little Rock Travelers | Southern Association | , | |
| John Dolan | dolan-002joh | 1907 | 13 g. | San Antonio Bronchos | Texas League | , | |
| John Dolan | dolan-004joh | 1907 | 38 g. | Holyoke Papermakers | Connecticut State League | , | |
| John Dolan | dolan-004joh | 1907 | 9/15-9/20 | Toronto Maple Leafs | Eastern League | , | |
| Leon Dolan | dolan-001leo | 1907 | 71 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| Leon Dolan | dolan-001leo | 1907 | 9/6-9/22 | Green Bay Orphans | Wisconsin State League | , | |
| Fred Doll | doll--001fre | 1907 | 7/16-9/15 | Denver Grizzlies | Western League | , | |
| Alf Dominick | 1907 | 7/20 | Duluth White Sox | Northern-Copper Country League | , | ||
| Alf Dominick | 1907 | 9/7 | St. Paul Saints | American Association | , | ||
| Donaher | 1907 | 5/4-9/2 | Elizabeth | Atlantic League | , | ||
| Frank Donahue | donahu002fra | 1907 | 4/27-9/6+ | Springfield Babes | Central League | , | |
| Jiggs Donahue | donahu001joh | 1907 | Chicago | American League | Chicago, IL | ||
| Pat Donahue | donahu003pat | 1907 | 163 g. | Portland Beavers | Pacific Coast League | , | |
| She Donahue | donahu002cha | 1907 | 5/24-9/7 | Fulton | Empire State League | , | |
| Thomas Donahue | 1907 | 5/9-5/24 | Oshkosh Indians | Wisconsin State League | , | ||
| William Donahue | donahu001wil | 1907 | 4/25-9/15 | Evansville River Rats | Central League | , | |
| Donnelly | 1907 | Stroudsburg | Blue Mountain League | , | |||
| Edward Donnelly | donnel001edw | 1907 | 5/11-9/22 | Troy Trojans | New York State League | , | |
| Frank Donnelly | donnel002fra | 1907 | 5/1-9/15 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Donovan | 1907 | 4/24-4/25 | Wilmington Peaches | Tri-State League | , | ||
| Donovan | 1907 | 5/17-5/19 | Lancaster Red Roses | Tri-State League | , | ||
| Donovan | 1907 | 8/4-8/5 | Ottumwa Packers | Iowa League | , | ||
| Fred Donovan | donova002fre | 1907 | 5/1-9/1 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Fred Donovan | donova002fre | 1907 | 9/3-9/15 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Herbert Donovan | 1907 | 5/17-9/15 | Burlington Pathfinders | Iowa League | , | ||
| J. W.? Donovan | 1907 | 7/10-7/14 | Jackson Convicts | Southern Michigan League | , | ||
| Jerry Donovan | donova001jer | 1907 | 5/16-9/16 | Providence Grays | Eastern League | , | |
| Jerry Donovan | donova003jer | 1907 | 26 g. | Bangor White Sox | Maine State League | , | |
| Jerry Donovan | donova003jer | 1907 | 34 g. | Pine Tree | Maine State League | , | |
| L. Fred Donovan | 1907 | 114 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Leonard Donovan | donova001lem | 1907 | 4/26-5/11 | Terre Haute Hottentots | Central League | , | |
| Leonard Donovan | donova001lem | 1907 | 5/21- | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Michael Donovan | 1907 | 4/24-4/25 | Wilmington Peaches | Tri-State League | , | ||
| Michael Donovan | 1907 | 4/29-9/7 | Brockton Tigers | New England League | , | ||
| Mike Donovan | donova002mic | 1907 | 5/9-9/22 | Troy Trojans | New York State League | , | |
| Tom Donovan | donova002tho | 1907 | 5/12-7/4 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Tom Donovan | donova002tho | 1907 | 8/1-8/21 | Binghamton Bingoes | New York State League | , | |
| William Donovan | 1907 | 4/20-5/5 | Aberdeen Black Cats | Northwestern League | , | ||
| William Donovan | 1907 | 4/20- | 138 g. | Butte Miners | Northwestern League | , | |
| Robert Dooin | dooin-001rob | 1907 | 4/25-5/29 | Providence Grays | Eastern League | , | |
| Robert Dooin | dooin-001rob | 1907 | 6/4-7/9 | Haverhill Hustlers | New England League | , | |
| Robert Dooin | dooin-001rob | 1907 | 7/29-8/21 | Columbia Gamecocks | South Atlantic League | , | |
| Charles Dooley | dooley001cha | 1907 | 7/108/2 | Utica Pent-Ups | New York State League | , | |
| J. Dooling | 1907 | 5/4-6/12 | Easton | Atlantic League | , | ||
| Fred Dopp | 1907 | 5/17 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Fred Dopp | 1907 | Shelbyville Queen Citys | Eastern Illinois League | , | |||
| Fred Dopp | 1907 | Taylorville Tailors | Eastern Illinois League | , | |||
| Frank Doran | doran-001fra | 1907 | 5/9-9/15 | Wilkes-Barre Barons | New York State League | , | |
| Tom Doran | doran-002tho | 1907 | 4/24-9/6 | Rochester Bronchos | Eastern League | , | |
| Frank Dorn | 1907 | 5/14-5/28 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Frank Dorn | 1907 | 8/16 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Gus Dorner | dorner001aug | 1907 | Boston | National League | Boston, MA | ||
| Dorsch | 1907 | 8/31? | Evansville River Rats | Central League | , | ||
| William Dorsch | dorsch004--- | 1907 | 5/14-7/14 | Jackson Convicts | Southern Michigan League | , | |
| William Dorsch | dorsch004--- | 1907 | 7/18-8/4 | Mount Clemens Bathers | Southern Michigan League | , | |
| William Dorsch | dorsch004--- | 1907 | 8/11-8/28 | Bay City | Southern Michigan League | , | |
| William Dorsch | dorsch004--- | 1907 | 9/12-9/14 | Mount Clemens Bathers | Southern Michigan League | , | |
| Charles Dort | 1907 | no g. | Lincoln Treeplanters | Western League | , | ||
| Charles Dort | 1907 | 5/9-6/17 | Waterloo Cubs | Iowa League | , | ||
| Charles Dort | 1907 | 7/26-8/11 | Marshalltown Snappers | Iowa League | , | ||
| George Dory | 1907 | 5/14-5/19 | Lansing Senators | Southern Michigan League | , | ||
| Jack Doscher | dosche001joh | 1907 | 4/29-9/13 | Harrisburg Senators | Tri-State League | , | |
| Jacobum Dossinger | 1907 | +7/21+ | Buff.-Brooklyns | Independent | , | ||
| Jacobum Dossinger | 1907 | 8/2-9/7 | Lyons | Empire State League | , | ||
| Edgar Doty | 1907 | 5/14-9/22 | Tecumseh | Southern Michigan League | , | ||
| John Doubles | double001j-- | 1907 | 79 g. | Oil City-Jamestown Oseejays | Interstate League | , | |
| D. J Dougherty | 1907 | Bradford Drillers | Interstate League | , | |||
| D. J Dougherty | 1907 | 5/18-5/24 | Pottsville | Atlantic League | , | ||
| James Dougherty | 1907 | 9/5-9/7 | Newark Newks | Ohio-Pennsylvania League | , | ||
| Patsy Dougherty | doughe002pat | 1907 | 148 g. | Chicago | American League | Chicago, IL | |
| Tom Dougherty | doughe001tho | 1907 | 4/17-9/16 | Milwaukee Brewers | American Association | , | |
| Douglas | 1907 | 5/18-5/23 | Scottdale Giants | Western Pennsylvania League | , | ||
| Archibald Douglas | dougla000hug | 1907 | USNA | College | , | ||
| Klondike Douglass | dougla004wil | 1907 | 4/10-8/31 | Little Rock Travelers | Southern Association | , | |
| Claude Douthett | 1907 | 6/20-9/11 | Terre Haute Hottentots | Central League | , | ||
| Claude Douthett | 1907 | Rose Polytech | College | , | |||
| Seth Dove | 1907 | Baton Rouge LA | Independent | , | |||
| Dover | 1907 | 5/14 | Newark | Atlantic League | , | ||
| Jimmy Dowd | 1907 | 5/8-9/8 | Brooklyn | Atlantic League | , | ||
| Jimmy Dowd | 1907 | 7/18-7/20 | Easton | Atlantic League | , | ||
| Skip Dowd | dowd--001jam | 1907-10 | Holy Cross Col | College | , | ||
| Tommy Dowd | dowd--001tho | 1907 | Holyoke Papermakers | Connecticut State League | , | ||
| John Dowell | dowell001joh | 1907 | 5/27-6/2 | Marshalltown Snappers | Iowa League | , | |
| John Dowell | dowell001joh | 1907 | 6/12-6/20 | Taylorville Tailors | Eastern Illinois League | , | |
| Roy Dowers | dowers001roy | 1907 | 5/1-9/15 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Dowling | 1907 | 5/4 | Allentown | Atlantic League | , | ||
| Joseph Dowling | dowlin001jos | 1907 | 9/4-9/7+ | Newark Newks | Ohio-Pennsylvania League | , | |
| Pat? Dowling | 1907 | 11 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Patrick Dowling | dowlin001pat | 1907 | Kane Mountaineers | Interstate League | , | ||
| Patrick Dowling | dowlin001pat | 1907 | +6/13-6/23+ | Columbus Discoverers | Cotton States League | , | |
| Jim Downey | downey002jam | 1907 | 5/23-9/22 | Umpire | New York State League | , | |
| Thomas Downey | downey002tho | 1907 | 112 g. | Tacoma Tigers | Northwestern League | , | |
| Thomas Downey | downey002tho | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Tom Downey | downey003tho | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Patrick Downing | downin002pat | 1907 | 4/11-9/18 | Meridian Ribboners | Cotton States League | , | |
| Red Downs | downs-001jer | 1907 | 105 g. | Detroit | American League | Detroit, MI | |
| Doyle | 1907 | 7/2 | Keokuk Indians | Iowa League | , | ||
| Doyle | 1907 | 8/9 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Frank Doyle | doyle-001fra | 1907 | 4/18-9/21 | Danville Red Sox | Virginia League | , | |
| Jack Doyle | doyle-002joh | 1907 | 5/11-7/15 | Milwaukee Brewers | American Association | , | |
| Larry Doyle | doyle-002law | 1907 | 66 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Larry Doyle | doyle-002law | 1907 | 7/2- | 69 g. | New York | National League | New York, NY |
| Slow Joe Doyle | doyle-001jud | 1907 | 29 g. | New York | American League | New York, NY | |
| Thomas Doyle | doyle-003tho | 1907 | 5/12- | 47 g. | Tacoma Tigers | Northwestern League | , |
| Thomas Doyle | doyle-003tho | 1907 | Vancouver Canucks | Northwestern League | , | ||
| William Doyle | doyle-008wil | 1907 | 56 g. | Temple Boll Weevils | Texas League | , | |
| William Draher | 1907 | 4/27- | Haverhill Hustlers | New England League | , | ||
| William Draher | 1907 | -9/2 | Fall River Indians | New England League | , | ||
| Delos Drake | drake-002del | 1907 | 5/1-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Herbert Drake | drake-002har | 1907 | g. ? | DuBois Miners | Interstate League | , | |
| Herbert Drake | drake-002har | 1907 | -7/ | Umpire | Interstate League | , | |
| Herbert Drake | drake-002har | 1907 | +8/3-8/26+ | Umpire | Ohio-Pennsylvania League | , | |
| Jack Drennan | drenna001kir | 1907 | 4/25-5/11 | Seattle Siwashes | Northwestern League | , | |
| Jack Drennan | drenna001kir | 1907 | 5/16- | Tacoma Tigers | Northwestern League | , | |
| Alvin Dretchko | 1907-08 | -6/6 | Univ. Minnesota | College | , | ||
| Drew | 1907 | 1 g. | Portland Beavers | Pacific Coast League | , | ||
| Lew Drill | drill-001lew | 1907 | no g. | St. Paul Saints | American Association | , | |
| Lew Drill | drill-001lew | 1907 | 6/1-9/14 | Pueblo Indians | Western League | , | |
| Driscoll | 1907 | 11 g. | Calgary Bronchos | Western Canada League | , | ||
| James Drohan | drohan001jam | 1907 | 5/1-8/27 | New Bedford Whalers | New England League | , | |
| Carl Druhot | druhot001car | 1907 | 4/22 | St. Louis | National League | St. Louis, MO | |
| Carl Druhot | druhot001car | 1907 | 1 g. | Portland Beavers | Pacific Coast League | , | |
| Carl Druhot | druhot001car | 1907 | 5/15-6/20 | Altoona Mountaineers | Tri-State League | , | |
| Carl Druhot | druhot001car | 1907 | 6/28-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Carl Druhot | druhot001car | 1907 | 7/24-8/8 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Carl Druhot | druhot001car | 1907 | 8/15 | Altoona Mountaineers | Tri-State League | , | |
| Ferd Drumm | drumm-001fer | 1907 | 7/2-8/3 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Ferd Drumm | drumm-001fer | 1907 | 9/17-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Joe Drumm | 1907 | , | |||||
| Bob Drury | drury-001rob | 1907 | 5/9-9/22 | Binghamton Bingoes | New York State League | , | |
| Edward Drury | drury-000edw | 1907 | 5/18-6/26 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Fred Ducetos? | 1907 | 8/27 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Frank DuChien | duchie001fra | 1907 | 5/9-6/22 | Oshkosh Indians | Wisconsin State League | , | |
| Frank DuChien | duchie001fra | 1907 | 7/6 | Madison Senators | Wisconsin State League | , | |
| Frank DuChien | duchie001fra | 1907 | 7/8-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| Dudley | 1907 | +4/26+ | 23 g. | Opelousas Indians | Gulf Coast League | , | |
| Dudley | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| James Dudley | dudley000jim | 1907 | 6/12- | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Roy Dudley | dudley001roy | 1907 | Santa Clara College | College | , | ||
| Roy Dudley | dudley001roy | 1907 | Knox College | College | , | ||
| Roy Dudley | dudley001roy | 1907 | Dillon MT | Independent | , | ||
| Roy Dudley | dudley001roy | 1907 | 8/16-10/6 | Seattle Siwashes | Northwestern League | , | |
| Roy Dudley | dudley001roy | 1907 | Rush Medical Col | College | , | ||
| Duff | 1907 | +8/15+ | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Duff | 1907 | +7/21+ | Norwich Reds | Connecticut State League | , | ||
| Duff | 1907 | 8/3 | Vicksburg Hill Billies | Cotton States League | , | ||
| Pat Duff | duff--001pat | 1907 | 4/24-4/27 | Johnstown Johnnies | Tri-State League | , | |
| Pat Duff | duff--001pat | 1907 | 4/29-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Pat Duff | duff--001pat | 1907 | 7/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Thomas Duff | 1907 | New Haven Blues | Connecticut State League | , | |||
| Thomas Duff | 1907 | 4/30-5/2 | New Bedford Whalers | New England League | , | ||
| Duffy | 1907 | 6/21 | Geneva | Empire State League | , | ||
| Hugh Duffy | duffy-001hug | 1907 | 4/25-9/17 | Providence Grays | Eastern League | , | |
| Jim Duffy | duffy-001jam | 1907 | New Haven Blues | Connecticut State League | , | ||
| John Duffy | duffy-003joh | 1907 | 5/9-9/20 | Scranton Miners | New York State League | , | |
| John Dugan | 1907 | 4/25-5/14 | Umpire | Central League | , | ||
| Dan Dugdale | dugdal001dan | 1907 | 4/30-10/6 | Seattle Siwashes | Northwestern League | , | |
| Daniel Duggan | duggan001dan | 1907 | 4/27- | 59 g. | New Bedford Whalers | New England League | , |
| Daniel Duggan | duggan001dan | 1907 | -9/6 | Lowell Tigers | New England League | , | |
| Eddie Duggan | 1907 | Winchester VA | Independent | , | |||
| Jim Duggan | duggan001jam | 1907 | 4/23-9/13 | Nashville Volunteers | Southern Association | , | |
| John Duggan | duggan001joh | 1907 | 4/10-9/2 | Nashville Volunteers | Southern Association | , | |
| Thomas Duke | duke--001tho | 1907 | 4/11-4/21+ | Columbus Discoverers | Cotton States League | , | |
| Dukette | 1907 | 5/8-8/25 | Scottdale Giants | Western Pennsylvania League | , | ||
| C. Dunbar | 1907 | 5/6-5/25 | Allentown | Atlantic League | , | ||
| Clarence Dunbar | dunbar000har | 1907 | 5/29-9/10 | Fond du Lac Webfoots | Wisconsin State League | , | |
| William Dunbar | 1907 | 7/15 | Lynchburg Shoemakers | Virginia League | , | ||
| John Duncan | 1907 | 5/20-6/22 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| John Duncan | 1907 | 6/25-8/9 | Orangeburg Edistoes | South Carolina League | , | ||
| Gus Dundon | dundon001aug | 1907 | 4/17-9/16 | Minneapolis Millers | American Association | , | |
| Turk Dunham | 1907 | preseason | Hutchinson Salt Packers | Western Association | , | ||
| Turk Dunham | 1907 | Ellinwood | Independent | , | |||
| Dunlap | 1907 | 6/23 | Keokuk Indians | Iowa League | , | ||
| Jack Dunlap | dunlap000jac | 1907 | Umpire | Texas League | , | ||
| Jack Dunleavy | dunlea001joh | 1907 | 4/17-9/16 | St. Paul Saints | American Association | , | |
| Bert Dunn | dunn--002ber | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Bert Dunn | dunn--003ber | 1907 | 60 g. | Spokane | NW | , | |
| Herbert Dunn | dunn--005ber | 1907 | 4/24- | 88 g. | Vancouver Canucks | Northwestern League | , |
| Herbert Dunn | dunn--005ber | 1907 | Spokane Indians | Northwestern League | , | ||
| J. H. Dunn | 1907 | 6/20 | Wilmington Peaches | Tri-State League | , | ||
| Jack Dunn | dunn--005joh | 1907 | 4/25-9/8 | Baltimore Orioles | Eastern League | , | |
| Joe Dunn | dunn--001jos | 1907 | 4/28-9/15 | Evansville River Rats | Central League | , | |
| Rube Dunn | 1907 | Calumet Aristocrats | Northern-Copper Country League | , | |||
| Rube Dunn | 1907 | Gainsboro | Independent | , | |||
| William Dunn | dunn--001wil | 1907 | 97 g. | Erie Sailors | Interstate League | , | |
| Frank Dupee | dupee-001fra | 1907 | 2 g. | Augusta | Maine State League | , | |
| John Duplaine | duplai001joh | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Alex Dupree | 1907 | 48 g. | Fort Worth Panthers | Texas League | , | ||
| Alexander Dupree | dupree001ale | 1907 | 48 g. | Fort Worth Panthers | Texas League | , | |
| Blaine Durbin | durbin001bla | 1907 | 4/24- | 11 g. | Chicago | National League | Chicago, IL |
| Bull Durham | durham001lou | 1907 | 5/18 | Trenton Tigers | Tri-State League | , | |
| Bull Durham | durham001lou | 1907 | 5/22-5/28 | Lancaster Red Roses | Tri-State League | , | |
| Bull Durham | durham001lou | 1907 | 6/5 - | 2 g. | Washington | American League | Washington, DC |
| Bull Durham | durham001lou | 1907 | 6/16-9/15 | Louisville Colonels | American Association | , | |
| James Durham | durham003jam | 1907 | 4/22-9/13 | Louisville Colonels | American Association | , | |
| James Durham | durham003jam | 1907 | -9/22 | Topeka White Sox | Western Association | , | |
| Charles Durmeyer | 1907 | 4/11-9/18 | Meridian Ribboners | Cotton States League | , | ||
| Ike Durrett | durret001isa | 1907 | , | ||||
| Durwell | 1907 | 5/10-5/11 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Alfred Duvall | duvall001alf | 1907 | 5/14-5/30 | Jackson Convicts | Southern Michigan League | , | |
| Alfred Duvall | duvall001alf | 1907 | 6/24-6/26 | Lansing Senators | Southern Michigan League | , | |
| Alfred Duvall | duvall001alf | 1907 | 7/18-7/20 | Tecumseh | Southern Michigan League | , | |
| Zelma Dwinal | 1907 | Bates College | College | , | |||
| Zelma Dwinal | 1907 | 6/19 | Fall River Indians | New England League | , | ||
| Zelma Dwinal | 1907 | 31 g. | Biddeford | Maine State League | , | ||
| Timothy Dwyer | dwyer-001tim | 1907 | 4/26- | 66 g. | Brockton Tigers | New England League | , |
| Timothy Dwyer | dwyer-001tim | 1907 | Haverhill Hustlers | New England League | , | ||
| Timothy Dwyer | dwyer-001tim | 1907 | Lowell Tigers | New England League | , | ||
| Timothy Dwyer | dwyer-001tim | 1907 | -8/5 | Worcester Busters | New England League | , | |
| Billy Dyer | dyer--001wil | 1907 | Boston U. Law | College | , | ||
| Billy Dyer | dyer--001wil | 1907 | 4/9-9/14 | Atlanta Crackers | Southern Association | , | |
| Pete Eagan | eagan-001pat | 1907 | 5/9-9/7 | Troy Trojans | New York State League | , | |
| Truck Eagan | eagan-001cha | 1907 | 194 g. | Oakland Oaks | Pacific Coast League | , | |
| Bobby Eager | eager-001rob | 1907 | Los Angeles Angels | Pacific Coast League | , | ||
| Johnny Eagle | 1907 | Edison | Southern California | , | |||
| Howard Earl | earl--002how | 1907 | 5/12-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Earle | 1907 | 5/20 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Billy Earle | earle-001bil | 1907 | 5/4-5/30 | Scottdale Giants | Western Pennsylvania League | , | |
| Charles Earle | 1907 | 22 g. | Philadelphia | Cuban-Amer | , | ||
| Edward Earley | 1907 | 53 g. | Franklin Millionaires | Interstate League | , | ||
| Christopher Earthman | 1907 | , | |||||
| Mal Eason | eason-001mal | 1907 | 5/24-6/16 | Newark Sailors | Eastern League | , | |
| Mal Eason | eason-001mal | 1907 | 9/9-9/24 | Umpire | Eastern League | , | |
| Walter East | east--002wal | 1907 | 129 g. | Akron Champs | Ohio-Pennsylvania League | , | |
| Frank Eastley | eastle001fra | 1907 | 4/29-9/15 | Wheeling Stogies | Central League | , | |
| Eastman | 1907 | 4/29 | Worcester Busters | New England League | , | ||
| Chris Eastman | eastma001chr | 1907 | 5/1-9/12 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| George Eaton | eaton-001geo | 1907 | 4/26-9/6 | Lawrence Colts | New England League | , | |
| Eberlin | 1907 | Evansv.-All Stars | Independent | , | |||
| Eberlin | 1907 | 3 g. | Dayton Veterans | Central League | , | ||
| Roy Eberly | 1907 | 5/9-9/16 | Eau Claire Tigers | Wisconsin State League | , | ||
| Henry Eberts | eberts001hen | 1907 | 5/14-9/22 | Mount Clemens Bathers | Southern Michigan League | , | |
| Mills Ebright | ebrigh001a-- | 1907 | U. of Missouri | College | , | ||
| Mills Ebright | ebrigh001a-- | 1907 | 76 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Mills Ebright | ebrigh001a-- | 1907 | Columbia Col | College | , | ||
| Eckerman | 1907 | 8/22 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Andrew Ecklund | ecklun001and | 1907 | +7/25+ | Dillon MT | Independent | , | |
| E. A. Eckman | 1907 | +5/27+ | Umpire | Western Association | , | ||
| E. A. Eckman | 1907 | 7/21-9/15 | Umpire | Iowa League | , | ||
| Sydney Eckstone | ecksto001sid | 1907 | Virginia Poly Inst. | College | , | ||
| Sydney Eckstone | ecksto001sid | 1907 | 4/19-5/28 | Richmond Colts | Virginia League | , | |
| Sydney Eckstone | ecksto001sid | 1907 | 6/10-7/9 | Lynchburg Shoemakers | Virginia League | , | |
| Sydney Eckstone | ecksto001sid | 1907 | no g. | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Jerry Eddinger | edinge001jer | 1907-09 | Washington | American League | Washington, DC | ||
| Carl Edfeldt | 1907 | 5/5-5/23 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Carl Edfeldt | 1907 | 6/9-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Jacob Edgar | 1907 | 5/4-9/8 | Pottsville | Atlantic League | , | ||
| Edminster | 1907 | 7/28-7/31 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Clifford Edmiston | edmist001cha | 1907 | 5/16 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Bob Edmondson | edmond002rob | 1907 | 127 g. | Houston Buffaloes | Texas League | , | |
| Sam Edmonston | edmons001sam | 1907 | 6/24 | Washington | American League | Washington, DC | |
| Sam Edmonston | edmons001sam | 1907 | 7/17 | Minneapolis Millers | American Association | , | |
| Sam Edmonston | edmons001sam | 1907 | 7/19-8/15 | Des Moines Champs | Western League | , | |
| Sam Edmonston | edmons001sam | 1907 | 8/18-9/16 | Minneapolis Millers | American Association | , | |
| D. Edmunds | 1907 | Opelousas Indians | Gulf Coast League | , | |||
| J. Edmunds | 1907 | 8/3-9/6 | Reading | Atlantic League | , | ||
| Mays Edmundson | edmund001may | 1907 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Edwards | 1907 | 5/12-5/30 | Elizabeth | Atlantic League | , | ||
| Edwards | 1907 | 6/10-6/11 | Lawrence Colts | New England League | , | ||
| Edwards | 1907 | 23 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Edwards | 1907 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |||
| Dan Edwards | edward001dan | 1907 | 22 g. | Waco Navigators | Texas League | , | |
| George Edwards | edward004geo | 1907 | 4/11 | Jackson Senators | Cotton States League | , | |
| George Edwards | edward004geo | 1907 | 4/19-4/20 | Danville Red Sox | Virginia League | , | |
| George Edwards | edward004geo | 1907 | 5/3-9/21 | Norfolk Tars | Virginia League | , | |
| W. A. Edwards | edward002w-- | 1907 | Waco Navigators | Texas League | , | ||
| W. A. Edwards | edward002w-- | 1907 | 8/6-8/7 | Topeka White Sox | Western Association | , | |
| Harry Eells | eells-001har | 1907 | 4/20-9/3 | Toledo Mud Hens | American Association | , | |
| Ben Egan | egan--001art | 1907 | 5/29-7/15 | Seneca Falls | Empire State League | , | |
| Ben Egan | egan--001art | 1907 | 8/7-9/6 | Auburn | Empire State League | , | |
| Dick Egan | egan--001ric | 1907 | 5/1-9/15 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Jack Egan | egan--001rip | 1907 | 4/17-9/15 | Umpire | American Association | , | |
| Jack Egan | egan--001rip | 1907 | 9/17- | 18 g. | MLB Umpire | American League | , |
| Ned Egan | egan--001edw | 1907 | 5/13-8/10 | Burlington Pathfinders | Iowa League | , | |
| Wish Egan | egan--001alo | 1907 | 4/17-9/15 | Kansas City Blues | American Association | , | |
| Charles Eggert | eggert001cha | 1907 | 5/14-5/29 | Flint Vehicles | Southern Michigan League | , | |
| Charles Eggert | eggert001cha | 1907 | 6/1-7/7 | Battle Creek Crickets | Southern Michigan League | , | |
| Charles Eggert | eggert001cha | 1907 | +7/19+ | Hillsdale MI | Independent | , | |
| Ray Egner | egner-001ray | 1907 | Lancaster Red Roses | Tri-State League | , | ||
| Ray Egner | egner-001ray | 1907 | +7/1+ | Vineland NJ | Independent | , | |
| Fred Ehman | ehman-001fre | 1907 | 5/1-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Red Ehret | ehret-001phi | 1907 | 4/20-8/4 | Umpire | Northwestern League | , | |
| Charles Eichberger | eichbe001cha | 1907 | 5/2-5/29 | Akron Champs | Ohio-Pennsylvania League | , | |
| Charles Eichberger | eichbe001cha | 1907 | Franklin Millionaires | Interstate League | , | ||
| Charles Eichberger | eichbe001cha | 1907 | 6/10-6/22 | Akron Champs | Ohio-Pennsylvania League | , | |
| Charles Eichberger | eichbe001cha | 1907 | 6/23-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Harry Eichler | eichle001har | 1907 | 5/2-5/22 | Beaver Falls Beavers | Western Pennsylvania League | , | |
| Harry Eichler | eichle001har | 1907 | Akron Champs | Ohio-Pennsylvania League | , | ||
| John Eide | 1907 | 5/15-6/8 | Freeport Pretzels | Wisconsin State League | , | ||
| Edward Eis | 1907 | 5/7-8/8 | Burlington Pathfinders | Iowa League | , | ||
| Henry Eldred | eldred001hen | 1907 | 6/20-8/6 | Pana Coal Miners | Eastern Illinois League | , | |
| Henry Eldred | eldred001hen | 1907 | 8/10-9/7 | Shelbyville Queen Citys | Eastern Illinois League | , | |
| Aaron Eldridge | eldrid000aar | 1907 | 7/13-8/23 | Umpire | Southern Association | , | |
| Frank Eley | eley--001fra | 1907 | 5/9-9/20 | Wilkes-Barre Barons | New York State League | , | |
| Roy Ellam | ellam-001roy | 1907 | 5/1-5/21 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Roy Ellam | ellam-001roy | 1907 | 5/29-6/18 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Roy Ellam | ellam-001roy | 1907 | 6/20-9/2 | Connellsville Cokers | Western Pennsylvania League | , | |
| Harry Ellerby | 1907 | 6/1- | Seattle Siwashes | Northwestern League | , | ||
| Leon Ellinger | 1907 | 5/25-7/2 | Auburn | Empire State League | , | ||
| Charles Ellinor | 1907 | 14 g. | Monroe Municipals | Gulf Coast League | , | ||
| Charles Ellinor | 1907 | Hot Springs AR | Independent | , | |||
| A. H. Elliott | 1907 | 88 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Claude Elliott | elliot001cla | 1907 | 5/16-6/14 | Louisville Colonels | American Association | , | |
| Claude Elliott | elliot001cla | 1907 | 7/16 | Indianapolis Indians | American Association | , | |
| Edwin Elliott | elliot005cha | 1907 | 5/24-9/7 | Oswego | Empire State League | , | |
| Mylon Elliott | elliot002myr | 1907 | 5/2- | 30 g. | New Bedford Whalers | New England League | , |
| Mylon Elliott | elliot002myr | 1907 | -9/2 | Fall River Indians | New England League | , | |
| Myron Elliott | 1907 | 5 g. | Bangor White Sox | Maine State League | , | ||
| Myron Elliott | 1907 | 22 g. | Waterville | Maine State League | , | ||
| Rowdy Elliott | elliot001har | 1907 | 6/20-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| A. H.? Ellioyy | 1907 | 7/29-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Ellis | 1907 | 6/18 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| George Ellis | ellis-003geo | 1907 | 171 g. | Los Angeles Angels | Pacific Coast League | , | |
| Harry Ellis | ellis-001har | 1907 | 5/4- 6/21+ | 34 g. | Springfield Midgets | Western Association | , |
| Charles Elsey | elsey-001cha | 1907 | 4/10-4/24 | Montgomery Senators | Southern Association | , | |
| Charles Elsey | elsey-001cha | 1907 | 6/1-6/2 | Butte Miners | Northwestern League | , | |
| Charles Elston | elston001cur | 1907 | 5/1-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| William Elwert | elwert001wil | 1907 | 4/17-9/15 | Pueblo Indians | Western League | , | |
| Jack Elwood | 1907 | Quebec-Indep | Independent | , | |||
| Jack Elwood | 1907 | no g. | Washington | American League | Washington, DC | ||
| Jack Ely | ely---001joh | 1907 | 5/2 | Nashville Volunteers | Southern Association | , | |
| Jack Ely | ely---001joh | 1907 | 7/26-7/31 | Savannah Indians | South Atlantic League | , | |
| Embree | 1907 | 6/12 | Lowell Tigers | New England League | , | ||
| Emerling | 1907 | 5/9-5/13 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Emerling | 1907 | 7/17-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| John Emerson | 1907 | 4/29 | Williamsport Millionaires | Tri-State League | , | ||
| John Emerson | 1907 | 5/2-5/4 | Johnstown Johnnies | Tri-State League | , | ||
| John Emerson | 1907 | 5/14-5/23 | Williamsport Millionaires | Tri-State League | , | ||
| John Emerson | 1907 | 5/30-9/7 | Lancaster Red Roses | Tri-State League | , | ||
| Emery | 1907 | 6/11 | Tacoma Tigers | Northwestern League | , | ||
| Gustave Eng | eng---001gus | 1907 | 5/1-9/15 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| George Engel | engel-002geo | 1907 | 4/19-6/4 | Denver Grizzlies | Western League | , | |
| George Engel | engel-002geo | 1907 | 7/13-8/31 | Sioux City Packers | Western League | , | |
| George Engel | engel-002geo | 1907 | 19 g. | Tacoma Tigers | Northwestern League | , | |
| England | 1907 | 8/30-9/2 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Engle | 1907 | 8/18 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Arthur Engle | engle-001art | 1907 | 4/25-9/22 | Newark Sailors | Eastern League | , | |
| Charles Engle | 1907 | 6/11-6/22 | Little Rock Travelers | Southern Association | , | ||
| Frank Engle | 1907 | IL Wesleyan Univ. | College | , | |||
| Frank Engle | 1907 | 5/13-5/30 | Taylorville Tailors | Eastern Illinois League | , | ||
| Ennis | 1907 | 5/12 | Allentown | Atlantic League | , | ||
| James Ennis | ennis-002jam | 1907 | 5/30 | Lowell Tigers | New England League | , | |
| Enright | 1907 | 6/17 | Lyons | Empire State League | , | ||
| Clyde Enslow | enslow001cly | 1907 | 5/19-5/24\ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Augustus Epler | 1907 | 6/21-9/8 | Pottsville | Atlantic League | , | ||
| Erickson | 1907 | 5/18 | Keokuk Indians | Iowa League | , | ||
| Erickson | 1907 | 6/23-6/24 | Worcester Busters | New England League | , | ||
| Edward Erickson | ericks002edw | 1907 | 4/24- | 29 g. | Spokane Indians | Northwestern League | , |
| Edward Erickson | ericks002edw | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Edward Erickson | ericks002edw | 1907 | 23 g. | Edmonton Grays | Western Canada League | , | |
| Frank Erickson | 1907 | 5/16-9/15 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Peter Erloff | 1907 | 5/2-5/12 | Webb City Goldbugs | Western Association | , | ||
| Peter Erloff | 1907 | +5/16-5/18+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Peter Erloff | 1907 | +6/7-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Peter Erloff | 1907 | 8/8-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Ernest/Ernst | 1907 | 7/19-7/24 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Henry Ernst | 1907 | 5/1-5/24 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Tex Erwin | erwin-001ros | 1907 | 4/30-6/12 | St. Paul Saints | American Association | , | |
| Tex Erwin | erwin-001ros | 1907 | 6/17-8/23 | Topeka White Sox | Western Association | , | |
| Tex Erwin | erwin-001ros | 1907 | 8/26- | 4 g. | Detroit | American League | Detroit, MI |
| Thomas Erwin | 1907 | 9/3- | 4 g. | Waco Navigators | Texas League | , | |
| Tom? Erwin | 1907 | 64 g. | Lafayette Browns | Gulf Coast League | , | ||
| Will Eskridge | 1907 | 5/20-7/8 | Spartanburg Spartans | South Carolina League | , | ||
| Will Eskridge | 1907 | 7/11-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Eslick | 1907 | 2 g. | Terrell Red Stockings | North Texas League | , | ||
| Chester Esselburn | 1907 | 5/16-6/15 | Eau Claire Tigers | Wisconsin State League | , | ||
| Chester Esselburn | 1907 | 8/10-8/13 | Eau Claire Tigers | Wisconsin State League | , | ||
| Chester Esselburn | 1907 | South Bend Greens | Central League | , | |||
| Chester Esselburn | 1907 | 5/16-6/15 | Eau Claire Tigers | Wisconsin State League | , | ||
| Chester Esselburn | 1907 | 8/10-8/13 | Eau Claire Tigers | Wisconsin State League | , | ||
| Bill Essick | essick002wil | 1907 | -5/28 | 3 g. | Cincinnati | National League | Cincinnati, OH |
| Bill Essick | essick002wil | 1907 | 6/25-9/8 | St. Paul Saints | American Association | , | |
| Elmer Essler | essler001elm | 1907 | 5/1-5/17 | Connellsville Cokers | Western Pennsylvania League | , | |
| Elmer Essler | essler001elm | 1907 | 5/19-8/10 | Clarksburg Bees | Western Pennsylvania League | , | |
| Elmer Essler | essler001elm | 1907 | Atlantic City NJ | Independent | , | ||
| Elmer Essler | essler001elm | 1907 | Lynn Shoemakers | New England League | , | ||
| Estep | 1907 | 5/30 | Clarksburg Bees | Western Pennsylvania League | , | ||
| John Eubank | eubank001joh | 1907 | -8/2 | 15 g. | Detroit | American League | Detroit, MI |
| John Eubank | eubank001joh | 1907 | 9/6- | Indianapolis Indians | American Association | , | |
| Jacob Eul | eul---001jac | 1907 | 5/13-6/11 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Jacob Eul | eul---001jac | 1907 | 9/7-9/11 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Frank Eustace | eustac003fra | 1907 | 5/15-9/21 | Roanoke Tigers | Virginia League | , | |
| Evans | 1907 | 8/1-8/3 | Marshalltown Snappers | Iowa League | , | ||
| Arthur Evans | 1907 | 4/18-5/24 | Norfolk Tars | Virginia League | , | ||
| Arthur Evans | 1907 | 5/28-9/21 | Lynchburg Shoemakers | Virginia League | , | ||
| Bill Evans | 1907 | 105 g. | Jacksonville Jays | South Atlantic League | , | ||
| C. L. Evans | 1907 | Savannah Indians | South Atlantic League | , | |||
| C. L. Evans | 1907 | 5/20 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Charles Evans | 1907 | 6/22-9/22 | Freeport Pretzels | Wisconsin State League | , | ||
| Glenn Evans | 1907 | 5/22 | Anderson Electricians | South Carolina League | , | ||
| John Evans | 1907 | Bangor | Blue Mountain League | , | |||
| Raymond Evans | 1907 | +8/9+ | New Berlin OH | Independent | , | ||
| Raymond Evans | 1907 | 9/5-9/11+ | 11 g. | South Bend Greens | Central League | , | |
| Roy Evans | evans-001roy | 1907 | 4/11-4/24 | Jacksonville Jays | South Atlantic League | , | |
| Roy Evans | evans-001roy | 1907 | 5/9-5/23 | Charleston Sea Gulls | South Atlantic League | , | |
| Roy Evans | evans-001roy | 1907 | 6/4-6/18 | Orangeburg Edistoes | South Carolina League | , | |
| Roy Evans | evans-001roy | 1907 | 6/20-6/22 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Roy Evans | evans-001roy | 1907 | Rock Hill SC | Independent | , | ||
| Somer Evans | 1907 | 8/22-8/28 | Youngstown Champs | Ohio-Pennsylvania League | , | ||
| Steve Evans | evans-002lou | 1907 | 4/25-5/30 | Dayton Veterans | Central League | , | |
| Steve Evans | evans-002lou | 1907 | 6/7-9/2 | Fairmont Champions | Western Pennsylvania League | , | |
| Will Evans | evans-004wil | 1907 | 4/25-9/3 | Jacksonville Jays | South Atlantic League | , | |
| William Evans | 1907 | 6/13 | Worcester Busters | New England League | , | ||
| William Everett | everet002wil | 1907 | 5/7-9/15 | Ottumwa Packers | Iowa League | , | |
| Frank Everhart | everha001fra | 1907 | 140 g. | San Antonio Bronchos | Texas League | , | |
| Evering | 1907 | 2 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Evering | 1907 | 51 g. | Terrell Red Stockings | North Texas League | , | ||
| Jack Evers | evers-001joh | 1907 | 4/11-5/17 | Augusta Tourists | South Atlantic League | , | |
| Jack Evers | evers-001joh | 1907 | 5/22-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Charles Eyerman | 1907 | 7/12-8/28 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Elwood Eyler | eyler-001elw | 1907 | 4/10-9/12 | Little Rock Travelers | Southern Association | , | |
| Albert Fabrique | 1907 | 5/16-5/18 | Tecumseh | Southern Michigan League | , | ||
| Albert Fabrique | 1907 | Flint Vehicles | Southern Michigan League | , | |||
| Albert Fabrique | 1907 | 6/5-6/8 | Tecumseh | Southern Michigan League | , | ||
| James Fagan | 1907 | 5/17-5/20 | Duluth White Sox | Northern-Copper Country League | , | ||
| James Fagan | 1907 | Hibbing MN | Independent | , | |||
| Fagula | 1907 | 9/14 | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Jim Fairbank | fairba001jam | 1907 | 5/14-6/15 | Utica Pent-Ups | New York State League | , | |
| Jim Fairbank | fairba001jam | 1907 | 6/22-9/22 | Albany Senators | New York State League | , | |
| Cy Falkenberg | falken001fre | 1907 | 33 g. | Washington | American League | Washington, DC | |
| Charlie Fallon | fallon001cha | 1907 | 120 g. | Hartford Senators | Connecticut State League | , | |
| Fanning | 1907 | 5/10 | Jacksonville Lunatics | Iowa League | , | ||
| George Farabaugh | 1907 | 66 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| E. G. Fardal | 1907 | 9/10 | Marshalltown Snappers | Iowa League | , | ||
| Farley | 1907 | 6/12-6/13 | Elizabeth | Atlantic League | , | ||
| Ed Farley | farley001edw | 1907 | Waterbury Authors | Connecticut State League | , | ||
| Farmer | 1907 | E. Liberty Acad | Academy | , | |||
| Farmer | 1907 | 7/12-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| Farmer | 1907 | U. Pittsburgh | College | , | |||
| Red Farnum | 1907 | +7/21+ | Hillsdale MI | Independent | , | ||
| Farrell | 1907 | 5/10-5/28 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Farrell | 1907 | 15 g. | Calgary Bronchos | Western Canada League | , | ||
| Charles Farrell | 1907 | 26 g. | Galveston Sand Crabs | Texas League | , | ||
| Cy Farrell | 1907 | +8/19+ | Webb City Goldbugs | Western Association | , | ||
| Frank Farrell | farrel002fra | 1907 | 5/1-9/22 | Marion Moguls | Ohio-Pennsylvania League | , | |
| John Farrell | farrel006joh | 1907 | 4/24-9/7 | Altoona Mountaineers | Tri-State League | , | |
| Morgan Farrell | 1907 | preseason | Boston | National League | Boston, MA | ||
| Morgan Farrell | 1907 | Holyoke Papermakers | Connecticut State League | , | |||
| Robert Farrell | 1907 | 5/8-9/11 | Quincy Gems | Iowa League | , | ||
| Frank Farris | farris001fra | 1907 | 4/20-9/12 | St. Paul Saints | American Association | , | |
| Harry Faulk | 1907 | 5/1- | 28 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Edward Faulkner | 1907 | 5/1-6/4 | Haverhill Hustlers | New England League | , | ||
| Oliver Faulkner | faulkn001oli | 1907 | 4/27-5/22 | Wilmington Peaches | Tri-State League | , | |
| G. E. Fawcett | 1907 | +7/17-8/3+ | Denison IA | Independent | , | ||
| G. E. Fawcett | 1907 | 9/1-9/15 | Keokuk Indians | Iowa League | , | ||
| Fay | 1907 | 5/5-6/30 | Newark | Atlantic League | , | ||
| Fay | 1907 | 7/18-8/15 | Easton | Atlantic League | , | ||
| Fay | 1907 | 5/16-5/30 | Lansing Senators | Southern Michigan League | , | ||
| Fay | 1907 | 8/9-8/13 | Marshalltown Snappers | Iowa League | , | ||
| Joe Fay | fay---001jos | 1907 | 57 g. | Portland Beavers | Pacific Coast League | , | |
| Fazenbaker | 1907 | 6/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Frank Fechter | 1907 | 6/3-6/10 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Fecter | 1907 | 5/22 | Scottdale Giants | Western Pennsylvania League | , | ||
| Feeney | 1907 | 94 g. | Bradford Drillers | Interstate League | , | ||
| Jim Feeney | feeney002jam | 1907 | 7/17 | Sumter Gamecocks | South Carolina League | , | |
| Feigel | 1907 | 6/19-6/20 | Keokuk Indians | Iowa League | , | ||
| Felber | 1907 | 8 g. | Greenville Hunters | North Texas League | , | ||
| Harry Feldhaus | feldha001har | 1907 | 6/5-7/2+ | Dayton Veterans | Central League | , | |
| Edward Felrath | 1907 | 5/14-8/17 | Battle Creek Crickets | Southern Michigan League | , | ||
| Edward Felrath | 1907 | 9/4-9/21 | Mount Clemens Bathers | Southern Michigan League | , | ||
| John Fenlon | 1907 | 4/17-9/8 | Lincoln Treeplanters | Western League | , | ||
| Arthur Fennell | 1907 | preseason | Buffalo Bisons | Eastern League | , | ||
| Arthur Fennell | 1907 | 4/25-5/4 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Arthur Fennell | 1907 | 5/24-9/7 | Fulton | Empire State League | , | ||
| Curtis Fennell | 1907 | +5/30-6/6 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Roy Fennell | 1907 | +5/30+ | Alto.-PPR-YMCA | AltoCity | , | ||
| Fred Fenske | 1907 | 5/18 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Fred Fenske | 1907 | 5/29-6/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Fred Fenske | 1907 | 6/23-6/26 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Fred Fenske | 1907 | 7/12 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Charlie Ferguson | fergus002cha | 1907 | 5/9-9/22 | Wausau Lumberjacks | Wisconsin State League | , | |
| James Ferguson | fergus006jam | 1907 | 5/1- | 98 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| James Ferguson | fergus006jam | 1907 | -9/14 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Ed Ferrell | 1907 | +5/10+ | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Emanuel Ferrias | ferria001e-- | 1907 | 4/29-7/25 | South Bend Greens | Central League | , | |
| Emanuel Ferrias | ferria001e-- | 1907 | 7/28-9/12 | Evansville River Rats | Central League | , | |
| William Ferris | 1907 | +5/17+ | 6 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Ed Fertsch | fertsc001edw | 1907 | 5/16-5/25 | Lancaster Red Roses | Tri-State League | , | |
| Ed Fertsch | fertsc001edw | 1907 | 8/10-9/13 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Fetter | 1907 | +7/27+ | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Willy Fetzer | fetzer001wil | 1907 | 6/6-8/5 | Danville Red Sox | Virginia League | , | |
| Willy Fetzer | fetzer001wil | 1907 | 8/15-9/4 | Norfolk Tars | Virginia League | , | |
| Fields | 1907 | 5/5 | Elizabeth | Atlantic League | , | ||
| Lou Fiene | fiene-001lou | 1907 | Chicago | American League | Chicago, IL | ||
| Peter Fife | 1907 | 5/11-5/16+ | Columbus Discoverers | Cotton States League | , | ||
| Jack Fifield | fifiel001jac | 1907 | 5/14-9/22 | Syracuse Stars | New York State League | , | |
| Eddie Files | files-001cha | 1907 | 2 g. | Bangor White Sox | Maine State League | , | |
| Jack Fillman | fillma001joh | 1907 | 5/2-9/22 | Joplin Miners | Western Association | , | |
| Clarence Fink | fink--001cla | 1907 | 5/5-9/15 | Canton Chinamen | Central League | , | |
| William Finke | 1907 | Clev-English Mills | Independent | , | |||
| Pembroke Finlayson | finlay001pem | 1907 | Lafayette College | College | , | ||
| Pembroke Finlayson | finlay001pem | 1907 | 6 g. | Poughkeepsie Colts | Hudson River League | , | |
| Pembroke Finlayson | finlay001pem | 1907 | 6/27 | Lynn Shoemakers | New England League | , | |
| Pembroke Finlayson | finlay001pem | 1907 | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Pembroke Finlayson | finlay001pem | 1907 | Broo.- | Semi-professional | , | ||
| Billy Finn | finn--001wil | 1907 | New London Whalers | Connecticut State League | , | ||
| James Finn | 1907 | 6/7-6/24 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| James Finn | 1907 | 6/27-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Mickey Finn | finn--001duk | 1907 | 4/9-9/14 | Little Rock Travelers | Southern Association | , | |
| George Finnemore | 1907 | 23 g. | Augusta | Maine State League | , | ||
| George Finnemore | 1907 | 59 g. | Bangor White Sox | Maine State League | , | ||
| George Finnemore | 1907 | 4 g. | Waterville | Maine State League | , | ||
| William Finneran | 1907 | 4/24-9/14 | Umpire | Tri-State League | , | ||
| Ed Finney | finney001ed- | 1907 | 5/2-8/19 | Umpire | Oklahoma-Arkansas-Kansas League | , | |
| Ed Finney | finney001ed- | 1907 | Umpire | Western Association | , | ||
| Frederic Finney | finney001fre | 1907 | 5/7-5/30 | Ottumwa Packers | Iowa League | , | |
| Frederic Finney | finney001fre | 1907 | 7/4-9/15 | Ottumwa Packers | Iowa League | , | |
| Herschel Finney | finney001a-- | 1907 | 5/6-5/8+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | |
| Herschel Finney | finney001a-- | 1907 | +6/6-8/23+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| William Finney | finney001wil | 1907 | Ryans Rainiers | Puget Sound League | , | ||
| William Finney | finney001wil | 1907 | 5/9 | Vancouver Canucks | Northwestern League | , | |
| Omar Firestine | firest001oma | 1907 | 138 g. | Austin Senators | Texas League | , | |
| Firth | 1907 | 9/4-9/5 | Easton | Atlantic League | , | ||
| Al. Fischer | 1907 | 4/11-4/14 | Vicksburg Hill Billies | Cotton States League | , | ||
| William Fischman | fischm001wil | 1907 | 4/18-8/13 | Lynchburg Shoemakers | Virginia League | , | |
| William Fischman | fischm001wil | 1907 | 8/29-9/14 | Portsmouth Truckers | Virginia League | , | |
| Fish | 1907 | 64 g. | Portsmouth Truckers | Virginia League | , | ||
| Fish | 1907 | Roanoke Tigers | Virginia League | , | |||
| Leslie Fish | fish--002les | 1907 | Hudson River League | , | |||
| Leslie Fish | fish--002les | 1907 | 7/1-8/27 | Roanoke Tigers | Virginia League | , | |
| Leslie Fish | fish--002les | 1907 | 9/2-9/21 | Portsmouth Truckers | Virginia League | , | |
| Fisher | 1907 | 5/25-5/29 | Lyons | Empire State League | , | ||
| Fisher | 1907 | 44 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| August Fisher | 1907 | 128 g. | Waco Navigators | Texas League | , | ||
| Ike Fisher | fisher001ike | 1907 | , | ||||
| John Fisher | fisher007joh | 1907 | 4/27 | Indianapolis Indians | American Association | , | |
| John Fisher | fisher007joh | 1907 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| John Fisher | fisher007joh | 1907 | 5/17-5/28 | Nashville Volunteers | Southern Association | , | |
| John Fisher | fisher007joh | 1907 | 6/10-6/15 | Milwaukee Brewers | American Association | , | |
| John Fisher | fisher007joh | 1907 | 6/21-7/12 | Columbus Senators | American Association | , | |
| John Fisher | fisher007joh | 1907 | 8/16-9/15 | Sioux City Packers | Western League | , | |
| John Fisher | fisher007joh | 1907 | Lebanon IN | Independent | , | ||
| Red Fisher | fisher002joh | 1907 | 5/7-9/15 | Oskaloosa Quakers | Iowa League | , | |
| Robert Fisher | fisher002rob | 1907 | 5/27-6/17 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Robert Fisher | fisher002rob | 1907 | 7/31-9/21 | Danville Red Sox | Virginia League | , | |
| Robert Fisher | 1907 | 5/2-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Tom Fisher | fisher002tho | 1907 | 4/10-9/14 | Shreveport Pirates | Southern Association | , | |
| Walter Fisher | fisher001bat | 1907 | 4/11-6/16 | Vicksburg Hill Billies | Cotton States League | , | |
| William Fisher | 1907 | 5/1-5/25 | South Bend Greens | Central League | , | ||
| William Fisher | 1907 | Richmond IN | Independent | , | |||
| William Fisher | 1907 | 5/2-9/22 | Leavenworth Convicts | Western Association | , | ||
| Roy Fiske | fiske-001roy | 1907 | 5/9-9/22 | Freeport Pretzels | Wisconsin State League | , | |
| Fitzgerald | 1907 | 8/12 | Tecumseh | Southern Michigan League | , | ||
| Fitzgerald | 1907 | 7/13 | Allentown | Atlantic League | , | ||
| George Fitzgerald | fitzge001geo | 1907 | 120 g. | Aberdeen Black Cats | Northwestern League | , | |
| James Fitzgerald | 1907 | 6/4-9/1 | Taylorville Tailors | Eastern Illinois League | , | ||
| James Fitzgerald | 1907 | 9/4-9/11 | Pana Coal Miners | Eastern Illinois League | , | ||
| John Fitzgerald | fitzge004joh | 1907 | 4/21-9/14 | Pueblo Indians | Western League | , | |
| John Fitzgerald | fitzge014joh | 1907 | 5/1-5/14 | Akron Champs | Ohio-Pennsylvania League | , | |
| John Fitzgerald | fitzge014joh | 1907 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Matty Fitzgerald | fitzge001mat | 1907 | - 7/11 | 7 g. | New York | National League | New York, NY |
| Matty Fitzgerald | fitzge001mat | 1907 | 7/24-9/17 | Jersey City Skeeters | Eastern League | , | |
| Walter Fitzgerald | 1907 | 4/19-5/9 | Savannah Indians | South Atlantic League | , | ||
| Walter Fitzgerald | 1907 | 6/1-6/15 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| John Fitzhenry | fitzhe004--- | 1907 | 6/1-6/13 | Haverhill Hustlers | New England League | , | |
| Billy Fitzmaurice | fitzma001wil | 1907 | 6/1- | 83 g. | Lawrence Colts | New England League | , |
| Billy Fitzmaurice | fitzma001wil | 1907 | -9/7 | Lynn Shoemakers | New England League | , | |
| Fitzpatrick | 1907 | 5/29-7/30 | Umpire | Central League | , | ||
| Edward Fitzpatrick | 1907 | 8/21-9/8 | Easton | Atlantic League | , | ||
| Edward Fitzpatrick | 1907 | Nazareth | Blue Mountain League | , | |||
| Frank Fitzpatrick | fitzpa001fra | 1907 | 127 g. | New Haven Blues | Connecticut State League | , | |
| Demon Fitzsimmons | 1907 | 4/8-6/3 | Umpire | South Atlantic League | , | ||
| Demon Fitzsimmons | 1907 | 7/15-8/39 | Umpire | Cotton States League | , | ||
| Flaherty | 1907 | 8/11 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Pat Flaherty | flaher005pat | 1907 | Umpire | Northern-Copper Country League | , | ||
| Pat Flaherty | flaher005pat | 1907 | Houghton Giants | Northern-Copper Country League | , | ||
| Patsy Flaherty | flaher004pat | 1907 | 41 g. | Boston | National League | Boston, MA | |
| Flanagan | 1907 | 5/29 | Seneca Falls | Empire State League | , | ||
| Austie Flanagan | 1907 | 6/18 | Seneca Falls | Empire State League | , | ||
| Steamer Flanagan | flanag003jam | 1907 | 4/24-9/24 | Rochester Bronchos | Eastern League | , | |
| Stephen Flanagan | flanag001ste | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Sylvester Flanagan | 1907 | New London WI | Independent | , | |||
| Sylvester Flanagan | 1907 | Linton ND | Independent | , | |||
| Tom Flanagan | 1907 | 7/8- | Umpire | Wisconsin State League | , | ||
| Jack Flannery | flanne001joh | 1907 | +8/11+ | Helena MT | Independent | , | |
| Jack Flater | flater001joh | 1907 | 5/12-9/21 | Utica Pent-Ups | New York State League | , | |
| William Fleet | fleet-001wil | 1907 | 5/1-9/9 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Earl Fleharty | 1907 | 5/8-9/22 | Hutchinson Salt Packers | Western Association | , | ||
| Fleischer | 1907 | 5/25-6/4 | Lyons | Empire State League | , | ||
| Charles Fleming | 1907 | 5/2-9/22 | Joplin Miners | Western Association | , | ||
| Chuck Fleming | flemin002cha | 1907 | 5/7-9/15 | Oskaloosa Quakers | Iowa League | , | |
| Ed. Fleming | flemin001e-- | 1907 | 5/7-9/15 | Ottumwa Packers | Iowa League | , | |
| H. P. (H. J.?) Fleming | 1907 | 5/1-6/17 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| H. P. (H. J.?) Fleming | 1907 | +6/28+ | Webb City Goldbugs | Western Association | , | ||
| H. P. (H. J.?) Fleming | 1907 | 7/22-7/26 | Jacksonville Lunatics | Iowa League | , | ||
| Harry Fleming | flemin002har | 1907 | 7/30-9/4 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Harry Fleming | flemin002har | 1907 | 9/7-9/22 | Wausau Lumberjacks | Wisconsin State League | , | |
| Tom Fleming | flemin003tho | 1907 | 5/1-9/15 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Fletcher | 1907 | +9/6+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Smiley Fletcher | 1907 | 9/20-9/22 | Tecumseh | Southern Michigan League | , | ||
| A. R. Flint | 1907 | 8/10-8/14 | Williamsport Millionaires | Tri-State League | , | ||
| Flood | 1907 | 5/2-5/12 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Flood | 1907 | +5/13+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| John Flood | flood-001joh | 1907 | 5/1-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Tim Flood | flood-001tim | 1907 | 4/24-6/25 | Toronto Maple Leafs | Eastern League | , | |
| Tim Flood | flood-001tim | 1907 | 7/11-9/16 | St. Paul Saints | American Association | , | |
| Frank Flory | 1907 | 55 g. | Punxsutawney Policemen | Interstate League | , | ||
| Jack Flournoy | flourn001joh | 1907 | 4/24-6/22 | Johnstown Johnnies | Tri-State League | , | |
| Jack Flournoy | flourn001joh | 1907 | 6/27-9/14 | Trenton Tigers | Tri-State League | , | |
| Clarence Flowers | 1907 | 4/18-6/10 | Lynchburg Shoemakers | Virginia League | , | ||
| Clarence Flowers | 1907 | 6/18-7/17 | Roanoke Tigers | Virginia League | , | ||
| Clarence Flowers | 1907 | 7/23-8/10 | Sumter Gamecocks | South Carolina League | , | ||
| Clarence Flowers | 1907 | 9/5-9/21 | Danville Red Sox | Virginia League | , | ||
| Flynn | 1907 | 9/13 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| James Flynn | flynn-001jam | 1907 | 5/10-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| James Flynn | 1907 | 7/19-8/16 | Umpire | Southern Association | , | ||
| Jimmy Flynn | 1907 | 4/26-5/1 | Wilmington Peaches | Tri-State League | , | ||
| John Flynn | 1907 | 5/7-7/10 | Umpire | Iowa League | , | ||
| John Flynn | 1907 | 6/20-9/22 | Toronto Maple Leafs | Eastern League | , | ||
| Michael Flynn | flynn-003mic | 1907 | +9/1+ | Sandusky OH | Independent | , | |
| Fogarty | 1907 | Bangor | Blue Mountain League | , | |||
| Fogarty | 1907 | 6/26-7/28 | Easton | Atlantic League | , | ||
| John Fogarty | 1907 | 64 g. | Lethbridge Miners | Western Canada League | , | ||
| M. J. Fogarty | 1907 | Butler White Sox | Western Pennsylvania League | , | |||
| Thomas Fogarty | fogart001tho | 1907 | 5/9-9/20 | Wilkes-Barre Barons | New York State League | , | |
| Lee Fohl | fohl--001leo | 1907 | 4/19-9/15 | Columbus Senators | American Association | , | |
| Foley | 1907 | 5/30 | Easton | Atlantic League | , | ||
| Frank Foley | 1907-08 | +4/10+ | U. of Georgia | College | , | ||
| Frank Foley | 1907 | Columbus GA | Independent | , | |||
| George Foley | 1907 | Buff-Pullman | Independent | , | |||
| George Foley | 1907 | 6/19 | Buffalo Bisons | Eastern League | , | ||
| George Foley | 1907 | 7/19-7/23 | Rochester Bronchos | Eastern League | , | ||
| Jerome Foley | 1907 | 5/8-8/16 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Somerby Follansbee | 1907 | 5/2- | 47 g. | Fall River Indians | New England League | , | |
| Somerby Follansbee | 1907 | -7/3 | Lowell Tigers | New England League | , | ||
| Somerby Follansbee | 1907 | 16 g. | Augusta | Maine State League | , | ||
| Somerby Follansbee | 1907 | 17 g. | Portland Blue Sox | Maine State League | , | ||
| Forbes | 1907 | 7/26-7/29 | Auburn | Empire State League | , | ||
| Ford | 1907 | 39 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Clint Ford | 1907 | 5/21- | 93 g. | Edmonton Grays | Western Canada League | , | |
| Eddie Ford | ford--001edw | 1907 | 10 g. | Butte Miners | Northwestern League | , | |
| Gene Ford | ford--002eug | 1907 | 4/17-8/21 | Minneapolis Millers | American Association | , | |
| Gene Ford | ford--002eug | 1907 | 8/18-9/15 | Des Moines Champs | Western League | , | |
| Leon Ford | 1907 | 4/9-6/20 | Savannah Indians | South Atlantic League | , | ||
| Russell Ford | ford--001rus | 1907 | 4/18-9/13 | Atlanta Crackers | Southern Association | , | |
| Fordham | 1907 | 9/5 | Dayton Veterans | Central League | , | ||
| Forest | 1907 | 10 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| William Forney | forney001wil | 1907 | 5/7-8/22 | Marshalltown Snappers | Iowa League | , | |
| John Forrester | forres001joh | 1907 | 5/2 | Springfield Midgets | Western Association | , | |
| John Forrester | forres001joh | 1907 | 5/4-6/2 | Topeka White Sox | Western Association | , | |
| John Forrester | forres001joh | 1907 | 6/7 | Webb City Goldbugs | Western Association | , | |
| John Forrester | forres001joh | 1907 | 6/14- | 13 g. | Mount Clemens Bathers | Southern Michigan League | , |
| John Forrester | forres001joh | 1907 | 7/17-8/17 | Johnstown Johnnies | Tri-State League | , | |
| John Forrester | forres001joh | 1907 | 8/22-9/6 | Springfield Midgets | Western Association | , | |
| Frank Forsythe | 1907 | 6/20-7/28 | Pana Coal Miners | Eastern Illinois League | , | ||
| Frank Forsythe | 1907 | 8/1-9/? | Taylorville Tailors | Eastern Illinois League | , | ||
| Harold Fortney | 1907 | 5/1-5/19 | Fairmont Champions | Western Pennsylvania League | , | ||
| Ernest Fosberg | 1907 | +8/18+ | Beliot WI | Independent | , | ||
| Ernest Fosberg | 1907 | 9/13-9/19 | Oshkosh Indians | Wisconsin State League | , | ||
| Foshee | 1907 | 9 g. | Terrell Red Stockings | North Texas League | , | ||
| Foshee | 1907 | 1 g. | Greenville Hunters | North Texas League | , | ||
| Foster | 1907 | 7/13-8/13 | Butler White Sox | Western Pennsylvania League | , | ||
| Foster | 1907 | 9/1 | Scottdale Giants | Western Pennsylvania League | , | ||
| Foster | 1907 | 7/7-7/12 | Keokuk Indians | Iowa League | , | ||
| Foster | 1907 | 9/11 | Little Rock Travelers | Southern Association | , | ||
| Clarence Foster | foster001cla | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Ed Foster | foster004edw | 1907 | 29 g. | Charleston Sea Gulls | South Atlantic League | , | |
| Edward Foster | foster001edm | 1907 | 70 g. | Bradford Drillers | Interstate League | , | |
| Edward Foster | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | ||
| Edward Foster | 1907 | Kane Mountaineers | Interstate League | , | |||
| Edward Foster | 1907 | 7/12-7/23 | Pottsville | Atlantic League | , | ||
| Edward Foster | 1907 | 7/25-8/2 | Wilmington Peaches | Tri-State League | , | ||
| Edward Foster | 1907 | 8/5-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Joseph Foster | 1907 | 33 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Reddy Foster | foster001red | 1907 | no g. | Richmond Colts | Virginia League | , | |
| Samuel Foster | foster001sam | 1907 | 4/17-4/19 | Sioux City Packers | Western League | , | |
| Samuel Foster | foster001sam | 1907 | 5/17-9/15 | Marshalltown Snappers | Iowa League | , | |
| William Foster | foster003wil | 1907 | 84 g. | Lethbridge Miners | Western Canada League | , | |
| Fourscner | 1907 | 40 g. | Eau Claire Tigers | Wisconsin State League | , | ||
| Fowler | 1907 | +6/2+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Fox | fox---001aug | 1907 | 6/24-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Fox | 1907 | 4/18-7/15 | Portsmouth Truckers | Virginia League | , | ||
| Bill Fox | fox---006wil | 1907 | 4/17-9/15 | Lincoln Treeplanters | Western League | , | |
| Charley Fox | fox---003cha | 1907 | 5/28-9/22 | Wausau Lumberjacks | Wisconsin State League | , | |
| Clarence Fox | fox---001cla | 1907 | 4/10-5/20 | Charleston Sea Gulls | South Atlantic League | , | |
| Clarence Fox | fox---001cla | 1907 | 5/21-7/18 | Augusta Tourists | South Atlantic League | , | |
| Clarence Fox | fox---001cla | 1907 | 7/22-9/4 | Columbia Gamecocks | South Atlantic League | , | |
| George Fox | fox---001pad | 1907 | 5/1-9/23 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Jack Fox | fox---004joh | 1907 | 5/23-9/22 | Albany Senators | New York State League | , | |
| Jim Fox | fox---001jam | 1907 | Furman College | College | , | ||
| Jim Fox | fox---001jam | 1907 | 4/9-9/14 | Atlanta Crackers | Southern Association | , | |
| John Fox | fox---001joh | 1907 | 4/10-4/27 | Macon Brigands | South Atlantic League | , | |
| John Fox | fox---001joh | 1907 | 5/13-9/20 | Norfolk Tars | Virginia League | , | |
| John Fox | 1907 | Read.-P&R | Independent | , | |||
| John Fox | 1907 | Port Richmond PA | Independent | , | |||
| John Fox | 1907 | 5/31-6/17 | Easton | Atlantic League | , | ||
| William Fox | 1907 | 5/2-8/8 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| William Fox | 1907 | 8/17-9/14 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Bill Foxen | foxen-001wil | 1907 | 4/25-8/28 | Jersey City Skeeters | Eastern League | , | |
| Leon Foy | foy---002leo | 1907 | 4/27-9/15 | Canton Chinamen | Central League | , | |
| Walter Frambes | 1907 | 5/2-9/14 | Altoona Mountaineers | Tri-State League | , | ||
| Howard Francis | 1907 | 5/29-8/3 | Green Bay Orphans | Wisconsin State League | , | ||
| Ike Francis | franci002isa | 1907 | 4/25-9/15 | Grand Rapids Wolverines | Central League | , | |
| Lawrence Francis | 1907 | 5/2-7/12 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Lawrence Francis | 1907 | Winchester VA | Independent | , | |||
| Nicholas Francisco | 1907 | Colu.- | InterUrban | , | |||
| Nicholas Francisco | 1907 | 6/18-7/2 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Buck Francks | franck001cha | 1907 | 4/17-9/14 | Omaha Rourkes | Western League | , | |
| Frank | 1907 | 5/18-5/23 | Scottdale Giants | Western Pennsylvania League | , | ||
| Charlie Frank | frank-003cha | 1907 | 4/9-9/14 | New Orleans Pelicans | Southern Association | , | |
| George Frank | frank-001geo | 1907 | 5/24-7/23 | Geneva | Empire State League | , | |
| George Frank | frank-001geo | 1907 | Canadaigua NY | Independent | , | ||
| Archie Frankenberry | 1907 | 5/5-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Ernest Franklin | frankl001ern | 1907 | 32 g. | Vancouver Canucks | Northwestern League | , | |
| Ernest Franklin | frankl001ern | 1907 | Tacoma Tigers | Northwestern League | , | ||
| Walter Frantz | frantz001wal | 1907 | 4/17-6/29 | Kansas City Blues | American Association | , | |
| Walter Frantz | frantz001wal | 1907 | 7/4-9/15 | Louisville Colonels | American Association | , | |
| Ralph Frary | frary-001ral | 1907 | 6/320-10/6 | Umpire | Northwestern League | , | |
| Jack Fraser | 1907 | Holy Cross Col. | College | , | |||
| Jack Fraser | 1907 | 10 g. | Portland Blue Sox | Maine State League | , | ||
| Jack Fraser | 1907 | Hartford Senators | Connecticut State League | , | |||
| Frazier | 1907 | 49 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Dotty Freck | freck-001cha | 1907 | Augusta Tourists | South Atlantic League | , | ||
| Dotty Freck | freck-001cha | 1907 | Quincy Gems | Iowa League | , | ||
| Alfred Freeland | 1907 | 5/14-6/9 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Alfred Freeland | 1907 | 8/13-9/21 | Battle Creek Crickets | Southern Michigan League | , | ||
| Freeman | 1907 | 8/15-8/27 | Green Bay Orphans | Wisconsin State League | , | ||
| Buck Freeman | freema003joh | 1907 | -4/20 | 4 g. | Boston | American League | Boston, MA |
| Buck Freeman | freema003joh | 1907 | 4/29-9/16 | Minneapolis Millers | American Association | , | |
| James Freeman | freema004jam | 1907 | 5/6-9/13 | Minneapolis Millers | American Association | , | |
| Jerry Freeman | freema001fra | 1907 | 4/17-9/15 | Minneapolis Millers | American Association | , | |
| John Freeman | 1907 | 1 g. | San Francisco Seals | Pacific Coast League | , | ||
| Harry Freese | freese001har | 1907 | 107 g. | Terre Haute Hottentots | Central League | , | |
| Charles Freine | 1907 | Santa Clara College | College | , | |||
| Charles Freine | 1907 | +4/13+ | San Jose Prune Pickers | California State League | , | ||
| Charles Freine | 1907 | 7/28-8/15 | Tacoma Tigers | Northwestern League | , | ||
| Tony Fremer | fremer001ant | 1907 | 115 g. | Springfield Babes | Central League | , | |
| French | 1907 | 7/30 | Seattle Siwashes | Northwestern League | , | ||
| French | french012--- | 1907 | 8/1 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Charlie French | french001cha | 1907 | 5/1-6/12 | Evansville River Rats | Central League | , | |
| Charlie French | french001cha | 1907 | 69 g. | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Win French | french001win | 1907-09 | , | ||||
| Frenchey | 1907 | 4/29-4/30 | Haverhill Hustlers | New England League | , | ||
| Frendenberg | 1907 | 5/1-5/30 | Scottdale Giants | Western Pennsylvania League | , | ||
| Frepitt | 1907 | +6/1+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Frank Frey | frye--001t-- | 1907 | , | ||||
| Ernest Frick | frick-001jam | 1907 | 4/24-9/20 | Toronto Maple Leafs | Eastern League | , | |
| George Frickie | fricki001geo | 1907 | Monroe Municipals | Gulf Coast League | , | ||
| Bill Friel | friel-001wil | 1907 | 4/17-9/15 | Columbus Senators | American Association | , | |
| Joseph Friel | 1907 | 4/25-9/7 | Wheeling Stogies | Central League | , | ||
| Friend | 1907 | Galena IL | Independent | , | |||
| Friend | 1907 | 6/28 | Oshkosh Indians | Wisconsin State League | , | ||
| Danny Friend | friend002dan | 1907 | Chillicothe OH | Independent | , | ||
| Danny Friend | friend002dan | 1907 | 5/19 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| John Frill | frill-001joh | 1907 | 30 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| John Frill | frill-001joh | 1907 | 8/25-9/20 | Newark Sailors | Eastern League | , | |
| Frisbee | 1907 | 43 g. | Greenville Hunters | North Texas League | , | ||
| Frisk | 1907 | 5/16 | Lansing Senators | Southern Michigan League | , | ||
| Emil Frisk | frisk-001joh | 1907 | -4/23 | 5 g. | St. Louis | American League | St. Louis, MO |
| Emil Frisk | frisk-001joh | 1907 | 4/27-9/16 | St. Paul Saints | American Association | , | |
| Emil Frisk | frisk-001joh | 1907 | 19 g. | Seattle Siwashes | Northwestern League | , | |
| Fritz | 1907 | 5/15-6/8 | Brooklyn | Atlantic League | , | ||
| Charlie Fritz | fritz-001cha | 1907 | 4/28-9/12 | New Orleans Pelicans | Southern Association | , | |
| Charlie Fritz | fritz-001cha | 1907 | 10/5 | Philadelphia | American League | Philadelphia, PA | |
| Emile Fritz | fritz-001emi | 1907 | +5/5-9/4+ | Mobile Sea Gulls | Cotton States League | , | |
| Sam Frock | frock-001sam | 1907 | 4/26-9/3 | Worcester Busters | New England League | , | |
| Sam Frock | frock-001sam | 1907 | 9/21- | 5 g. | Boston | National League | Boston, MA |
| Edward Frome | from--002edw | 1907 | no g. | Wichita Jobbers | Western Association | , | |
| Art Fromme | fromme001art | 1907 | 23 g. | St. Louis | National League | St. Louis, MO | |
| Frost | 1907 | 8/1-9/6 | Geneva | Empire State League | , | ||
| Jack Frost | frost-001joh | 1907 | 4/17-4/27 | Lincoln Treeplanters | Western League | , | |
| Jack Frost | frost-001joh | 1907 | 5/13-6/19 | Charleston Sea Gulls | South Atlantic League | , | |
| Jack Frost | frost-001joh | 1907 | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Leonard Frost | 1907 | Pastimes | Deleware Valley | , | |||
| W. H. Frost | 1907 | 6/26-7/12 | Bay City | Southern Michigan League | , | ||
| Frye | 1907 | +7/23+ | Atlantic City NJ | Independent | , | ||
| Fryer | 1907 | 6/13-6/19 | Umpire | New York State League | , | ||
| Fuchsel | 1907 | 5/10-5/11 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Fulgate | 1907 | 5/11 | Keokuk Indians | Iowa League | , | ||
| Charles Fuller | fuller003cha | 1907 | 4/11-4/26 | Jacksonville Jays | South Atlantic League | , | |
| Charles Fuller | fuller003cha | 1907 | 5/21-8/10+ | Grand Rapids Wolverines | Central League | , | |
| Charles Fuller | fuller003cha | 1907 | 9/3-9/4 | Toledo Mud Hens | American Association | , | |
| J. L. Fuller | 1907 | 5/10-9/12 | Umpire | Iowa League | , | ||
| Windsor Fulmer | fulmer001win | 1907 | Ely NV | Independent | , | ||
| Albert Furchner | 1907 | -5/7 | U. South Dakota | College | , | ||
| Albert Furchner | 1907 | 5/15 | Plankinton SD | Independent | , | ||
| Albert Furchner | 1907 | 7/8-7/21 | Sioux City Packers | Western League | , | ||
| Albert Furchner | 1907 | 7/29-9/22 | Eau Claire Tigers | Wisconsin State League | , | ||
| John Furlong | furlon001joh | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | |
| Arthur Fury | 1907 | +8/3+ | Miltonvale KS | Independent | , | ||
| Arthur Fury | 1907 | +8/8+ | Delphos KS | Independent | , | ||
| George Gaddy | 1907 | 1 g. | San Francisco Seals | Pacific Coast League | , | ||
| Gagler | 1907 | 9/7-9/8 | Brooklyn | Atlantic League | , | ||
| Edward Gagnier | gagnie001edw | 1907 | Lincoln Univ. | College | , | ||
| Edward Gagnier | gagnie001edw | 1907 | 4/17-9/15 | Lincoln Treeplanters | Western League | , | |
| Fred Gaiser | gaiser001fre | 1907 | 5/1-6/13 | Connellsville Cokers | Western Pennsylvania League | , | |
| Fred Gaiser | gaiser001fre | 1907 | +7/7+ | Atlantic City | Independent | , | |
| Joseph Galaski | galask001jos | 1907 | 5/9-9/20 | Albany Senators | New York State League | , | |
| Humes Galbraith | 1907 | 5/17 | Butler White Sox | Western Pennsylvania League | , | ||
| Humes Galbraith | 1907 | 5/23-9/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Humes Galbraith | 1907 | 9/12 | Altoona Mountaineers | Tri-State League | , | ||
| Joseph Galgano | 1907 | +4/28+ | Denv.-Hanovers | Independent | , | ||
| Gallagher | 1907 | 8/12-8/13 | Fall River Indians | New England League | , | ||
| Len Gallagher | 1907 | Muskingham Col | College | , | |||
| Len Gallagher | 1907 | +6/24+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Dan Gallagos | 1907 | Amarillo TX | Independent | , | |||
| Dan Gallagos | 1907 | 8/8-9/6 | Fort Worth Panthers | Texas League | , | ||
| Galliena | 1907 | 9/6-9/15 | Webb City Goldbugs | Western Association | , | ||
| Galloway | 1907 | 7/16 | Lynchburg Shoemakers | Virginia League | , | ||
| Galvin | 1907 | 1 g. | Bangor White Sox | Maine State League | , | ||
| Harry Galvin | 1907 | Burlington | New Hampshire State League | , | |||
| Harry Galvin | 1907 | 6/27- | 14 g. | Brockton Tigers | New England League | , | |
| Harry Galvin | 1907 | -9/7 | Haverhill Hustlers | New England League | , | ||
| Sanpper Galvin | 1907 | 5/24-6/17 | Oswego | Empire State League | , | ||
| Arnold Gandil | 1907 | 1 g. | Portland Beavers | Pacific Coast League | , | ||
| James Ganier | ganier001jam | 1907 | 5/28-8/26 | Clarksburg Bees | Western Pennsylvania League | , | |
| Bob Ganley | ganley002rob | 1907 | 154 g. | Washington | American League | Washington, DC | |
| Gannon | 1907 | 6/13 | Worcester Busters | New England League | , | ||
| Bill Gannon | gannon002wil | 1907 | 5/9-9/12 | Albany Senators | New York State League | , | |
| Joe Ganzel | ganzel001jos | 1907 | 5/14-7/18 | Mount Clemens Bathers | Southern Michigan League | , | |
| Joe Ganzel | ganzel001jos | 1907 | 7/24-9/15 | Grand Rapids Wolverines | Central League | , | |
| John Ganzel | ganzel001joh | 1907 | Cincinnati | National League | Cincinnati, OH | ||
| Gapin | 1907 | 5/1-6/3 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| J. Garbett | 1907 | 5/7-5/15 | Easton | Atlantic League | , | ||
| Gardner | 1907 | 6/20-8/15 | Geneva | Empire State League | , | ||
| Earle Gardner | gardne001ear | 1907 | 139 g. | Austin Senators | Texas League | , | |
| Elmer Gardner | 1907 | 5/9-7/15 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Elmer Gardner | 1907 | 8/2-8/12 | Waterloo Cubs | Iowa League | , | ||
| Elmer Gardner | 1907 | 8/18-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Harold Gardner | gardne004har | 1907-08 | IL Wesleyan U. | College | , | ||
| Harold Gardner | gardne004har | 1907-08 | Bloomington | Three I League | , | ||
| Larry Gardner | gardne004wil | 1907 | 26 g. | Bangor White Sox | Maine State League | , | |
| Luther Gardner | gardne001lut | 1907 | 128 g. | Birmingham Barons | Southern Association | , | |
| Garfield | 1907 | 5/4-5/5 | Newark | Atlantic League | , | ||
| Emanuel Garibaldi | 1907 | 4/20- | Vancouver Canucks | Northwestern League | , | ||
| Emanuel Garibaldi | 1907 | 5/15-5/26 | Seattle Siwashes | Northwestern League | , | ||
| John Garlic | garlic001joh | 1907 | +6/24+ | Stevens Point WI | Independent | , | |
| Garrahan | 1907 | 5/1-5/3 | Scottdale Giants | Western Pennsylvania League | , | ||
| Garrahan | 1907 | 7/10-7/19 | Portsmouth | , | |||
| Garrer | 1907 | +6/2+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Jesse Garrett | 1907 | 37 g. | Dallas Giants | Texas League | , | ||
| Charles Garrison | 1907 | Syracuse Stars | New York State League | , | |||
| Frank Garrity | 1907 | Wichita Jobbers Jr | Independent | , | |||
| Frank Garrity | 1907 | 9/2,9/18 | Wichita Jobbers | Western Association | , | ||
| Joseph Garrity | garrit001jos | 1907 | 5/9-9/18 | Scranton Miners | New York State League | , | |
| Jim Garry | garry-001jim | 1907 | 8/11-9/22 | Binghamton Bingoes | New York State League | , | |
| Garvey | 1907 | 7/10-9/7 | Geneva | Empire State League | , | ||
| Thomas Garvey | 1907 | 5/3-5/20 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Leo Garvin | garvin001lee | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Ned Garvin | garvin001vir | 1907 | 36 g. | Butte Miners | Northwestern League | , | |
| Paul Garzee | 1907 | 8/29-9/6 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Prince Gaskell | 1907 | 4/11-7/18 | Shreveport Pirates | Southern Association | , | ||
| Prince Gaskell | 1907 | no g. | Galveston Sand Crabs | Texas League | , | ||
| Prince Gaskell | 1907 | 8/19-8/29 | Shreveport Pirates | Southern Association | , | ||
| Harry Gaspar | gaspar001har | 1907 | 5/11-6/8 | Freeport Pretzels | Wisconsin State League | , | |
| Harry Gaspar | gaspar001har | 1907 | 28 g. | Waterloo Cubs | Iowa League | , | |
| Edward Gastmeyer | gastme001edw | 1907 | -8/15 | 90 g. | Hartford Senators | Connecticut State League | , |
| Edward Gastmeyer | gastme001edw | 1907 | 8/17-9/8 | Elizabeth | Atlantic League | , | |
| William Gaston | gaston003wil | 1907 | 4/10-9/14 | New Orleans Pelicans | Southern Association | , | |
| Fred Gatcomb | 1907 | 4/30-9/2 | Lawrence Colts | New England League | , | ||
| George Gates | 1907 | 5/1-9/2 | Fairmont Champions | Western Pennsylvania League | , | ||
| Frank Gatins | gatins001fra | 1907 | 4/10-9/14 | New Orleans Pelicans | Southern Association | , | |
| Cad Gaughn | 1907 | Syra.-Havanas | Independent | , | |||
| Cad Gaughn | 1907 | 6/7-6/13 | Seneca Falls | Empire State League | , | ||
| Cad Gaughn | 1907 | 6/17-6/18 | Lyons | Empire State League | , | ||
| Cad Gaughn | 1907 | 6/19 | Seneca Falls | Empire State League | , | ||
| Cad Gaughn | 1907 | 8/12-8/22 | Seneca Falls | Empire State League | , | ||
| Dale Gear | gear--001dal | 1907 | 6/26-8/7 | Montgomery Senators | Southern Association | , | |
| Dale Gear | gear--001dal | 1907 | +8/14-9/18 | Mobile Sea Gulls | Cotton States League | , | |
| Henry Gebhardt | 1907 | 4 g. | Waterville | Maine State League | , | ||
| Dutch Gehman | 1907 | Albright College | College | , | |||
| Dutch Gehman | 1907 | 8 g. | Olean Refiners | Interstate League | , | ||
| Hank Gehring | gehrin001hen | 1907 | 4/17-7/13 | Des Moines Champs | Western League | , | |
| Hank Gehring | gehrin001hen | 1907 | 7/16 - | 20 g. | Washington | American League | Washington, DC |
| Phil Geier | geier-001phi | 1907 | 4/17-5/16 | St. Paul Saints | American Association | , | |
| Phil Geier | geier-001phi | 1907 | 5/19-6/11 | Milwaukee Brewers | American Association | , | |
| Phil Geier | geier-001phi | 1907 | 6/12-9/16 | St. Paul Saints | American Association | , | |
| Jacob Geiser | 1907 | Riversides | Chicago City League | , | |||
| Arthur Geist | 1907 | 5/2-5/9 | Oklahoma City Mets | Western Association | , | ||
| Arthur Geist | 1907 | +5/15-5/26 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Gemas | 1907 | 7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Frank Genins | genins001c-- | 1907 | 5/17-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| George | 1907 | 5/11-5/17 | Little Rock Travelers | Southern Association | , | ||
| George | 1907 | 17 g. | Lafayette Browns | Gulf Coast League | , | ||
| Edward George | 1907 | Pittsburgh Col. | College | , | |||
| Edward George | 1907 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |||
| Thomas George | 1907 | +6/19+ | Pitt.-Collegians | Independent | , | ||
| Thomas George | 1907 | 8/19+ | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Thomas George | 1907 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |||
| Thomas George | 1907 | +9/14+ | Clearfield PA | Independent | , | ||
| William George | 1907 | 5/11-5/17 | Little Rock Travelers | Southern Association | , | ||
| William George | 1907 | +8/7-9/19 | 19 g. | Joplin Miners | Western Association | , | |
| Gerard | 1907 | Memphis Egyptians | Southern Association | , | |||
| Charlie Gerard | 1907 | Haverhill Hustlers | New England League | , | |||
| Ray Gerber | gerber001ray | 1907 | 6/7 | Newark | Atlantic League | , | |
| Richard Germaine | 1907 | 5/16-5/30 | Flint Vehicles | Southern Michigan League | , | ||
| Richard Germaine | 1907 | +7/1+ | Otsego MI | Independent | , | ||
| Doc Gessler | gessle001har | 1907 | 4/17-9/15 | Columbus Senators | American Association | , | |
| Charlie Gettig | gettig002cha | 1907 | 5/1- | 38 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , |
| Charlie Gettig | gettig002cha | 1907 | 7/1-9/21 | Richmond Colts | Virginia League | , | |
| Tom Gettinger | gettin001tom | 1907 | 4/24-4/27 | Johnstown Johnnies | Tri-State League | , | |
| Tom Gettinger | gettin001tom | 1907 | 4/29-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Tom Gettinger | gettin001tom | 1907 | 7/24-9/12 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Jake Gettman | gettma001jac | 1907 | 4/24-9/15 | Buffalo Bisons | Eastern League | , | |
| Jacob Geyer | geyer-001jac | 1907 | 4/19-9/9 | Columbus Senators | American Association | , | |
| John Geyer | geyer-001joh | 1907 | 4/25-9/15 | Grand Rapids Wolverines | Central League | , | |
| Ollie Gfroerer | gfroer001oli | 1907 | 5/1-5/18 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Ollie Gfroerer | gfroer001oli | 1907 | 7/7-7/19 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Ollie Gfroerer | gfroer001oli | 1907 | 7/23 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Ollie Gfroerer | gfroer001oli | 1907 | 7/30-9/15 | Jacksonville Lunatics | Iowa League | , | |
| Herbert Gianelli | 1907 | +6/16+ | Buff.-Bunker Hill | Independent | , | ||
| Gibbs | 1907 | 5/29-6/1 | Spartanburg Spartans | South Carolina League | , | ||
| Gibbs | 1907 | 6/24-6/28 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Frederick Gibbs | 1907 | Haverhill Hustlers | New England League | , | |||
| Frederick Gibbs | 1907 | 35 g. | Biddeford | Maine State League | , | ||
| George Gibson | gibson002geo | 1907 | 113 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Norwood Gibson | gibson001nor | 1907 | , | ||||
| Ralph Gibson | gibson001ral | 1907 | 5/8-6/7+ | Oklahoma City Mets | Western Association | , | |
| William Gibson | gibson003wil | 1907 | 5/17-5/30 | Houghton Giants | Northern-Copper Country League | , | |
| Allan Giddings | 1907-09 | +5/16+ | Univ. of Michigan | College | , | ||
| Allan Giddings | 1907 | Battle Creek Crickets | Southern Michigan League | , | |||
| Edward Giencke | 1907 | 50 g. | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Edward Giencke | 1907 | 9/9-9/22 | La Crosse Badgers | Wisconsin State League | , | ||
| Bill Giese | 1907 | +4/14+ | Dave-GameWardens | Independent | , | ||
| Bill Giese | 1907 | 8/19-8/29 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Bill Giese | 1907 | +9/13+ | Dave-GameWardens | Independent | , | ||
| William Giffen | 1907 | 5/8-7/25 | Marshalltown Snappers | Iowa League | , | ||
| Al Gifford | giffor001al- | 1907 | 4/17- | Umpire | Western League | , | |
| Allen Gilbert | 1907 | 6/21-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Billy Gilbert | gilber002wil | 1907 | 4/24-9/12 | Trenton Tigers | Tri-State League | , | |
| H. W. Gilbert | 1907 | 5/7-9/19 | Leavenworth Convicts | Western Association | , | ||
| Jack Gilbert | gilber005joh | 1907 | 4/10-9/14 | Little Rock Travelers | Southern Association | , | |
| John Gilbert | 1907 | 4/20-5/26 | Pueblo Indians | Western League | , | ||
| John Gilbert | 1907 | 7/20-7/24 | Topeka White Sox | Western Association | , | ||
| John Gilbert | 1907 | +7/30+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Rufus Gilbert | gilber001ruf | 1907 | 5/4-7/28,8/7- | Pana Coal Miners | Eastern Illinois League | , | |
| Rufus Gilbert | gilber001ruf | 1907 | Kalamazoo | College | , | ||
| Gilbreath | 1907 | +5/16-5/26+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Al Gilford | 1907 | 4/17-6/21 | Umpire | Western League | , | ||
| Bob Gilks | gilks-001rob | 1907 | 4/11-9/18 | Gulfport Crabs | Cotton States League | , | |
| Gill | 1907 | 7/9 | Pueblo Indians | Western League | , | ||
| Roy Gill | gill--002roy | 1907 | 5/9-6/19 | Webb City Goldbugs | Western Association | , | |
| Roy Gill | gill--002roy | 1907 | 6/20-7/26+ | Columbus Discoverers | Cotton States League | , | |
| Roy Gill | gill--002roy | 1907 | 8/11-8/12 | Oklahoma City Mets | Western Association | , | |
| Roy Gill | gill--002roy | 1907 | 8/25-9/10 | Joplin Miners | Western Association | , | |
| Warren Gill | gill--001war | 1907 | 5/2-9/22 | Oklahoma City Mets | Western Association | , | |
| Grover Gillen | gillen001gro | 1907 | 4/19-9/1 | Toledo Mud Hens | American Association | , | |
| Gillespie | 1907 | 5/25 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Gillespie | 1907 | 9/21-9/22 | Troy Trojans | New York State League | , | ||
| Gillespie | 1907 | 5/24-9/6 | Fulton | Empire State League | , | ||
| Eddie Gilligan | gillig001edw | 1907 | 96 g. | Marion Moguls | Ohio-Pennsylvania League | , | |
| Gilmore | 1907 | 4/21 | Sioux City Packers | Western League | , | ||
| Hub Gilmore | 1907 | 5/20-7/13 | Greenville Mountaineers | South Carolina League | , | ||
| Roy Gilmore | 1907 | Lincoln Treeplanters | Western League | , | |||
| Roy Gilmore | 1907 | Freeport Pretzels | Wisconsin State League | , | |||
| Thomas Gilroy | gilroy001tho | 1907 | 4/29-9/6 | Fall River Indians | New England League | , | |
| Frank Gimlin | gimlin001joh | 1907 | Ogden UT | Independent | , | ||
| Patrick Ginley | ginley001pat | 1907 | 4/16-5/3 | Haverhill Hustlers | New England League | , | |
| Charlie Girard | girard002cha | 1907 | 4/27-6/15 | Haverhill Hustlers | New England League | , | |
| Wilford Gladfelter | 1907 | -9/14 | 92 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| William Glassburner | glassb001wil | 1907 | +5/7+ | 37 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| William Glassburner | glassb001wil | 1907 | +7/4-9/4 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| William Glassburner | glassb001wil | 1907 | 9/10-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Glasser | 1907 | +8/25-9/7+ | 7 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Ralph Glaze | glaze-001dan | 1907 | 32 g. | Boston | American League | Boston, MA | |
| William Glaze | glaze-001w-- | 1907 | 5/20-8/9 | Orangeburg Edistoes | South Carolina League | , | |
| Gleason | 1907 | 9/8-9/13 | Utica Pent-Ups | New York State League | , | ||
| Gleason | 1907 | Taylorville Tailors | Eastern Illinois League | , | |||
| Billy Gleason | 1907 | 34 g. | Bangor White Sox | Maine State League | , | ||
| Harry Gleason | gleaso001har | 1907 | 4/24-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Kid Gleason | gleaso002wil | 1907 | 36 g. | Philadelphia | National League | Philadelphia, PA | |
| Kid Gleason | gleaso002wil | 1907 | 7/26-7/28 | Jersey City Skeeters | Eastern League | , | |
| William Gleason | gleaso004wil | 1907 | 5/9-9/22 | Eau Claire Tigers | Wisconsin State League | , | |
| Martin Glendon | glendo001mar | 1907 | 4/27-9/13 | Altoona Mountaineers | Tri-State League | , | |
| Carl Glidewell | 1907 | 8/22-9/15 | Terre Haute Hottentots | Central League | , | ||
| Roy Glockner | 1907 | no g. | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Ed Gnadinger | gnadin001edw | 1907 | 4/8-7/15 | Columbia Gamecocks | South Atlantic League | , | |
| Ed Gnadinger | gnadin001edw | 1907 | 8/5-9/15 | Louisville Colonels | American Association | , | |
| F. Gobert | gobert001f-- | 1907 | +6/6+ | Ford City PA | Independent | , | |
| F. Gobert | gobert001f-- | 1907 | +6/14-7/8 | 15 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , |
| F. Gobert | gobert001f-- | 1907 | +7/20-7/28+ | Ford City PA | Independent | , | |
| F. Gobert | gobert001f-- | 1907 | 8/1-8/9 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| John Gochnaur | gochna001joh | 1907 | 4/23-9/15 | Des Moines Champs | Western League | , | |
| Goddard | goddar003--- | 1907 | 8/1 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| John Godwin | godwin001joh | 1907 | no g. | Milwaukee Brewers | American Association | , | |
| John Godwin | godwin001joh | 1907 | Memphis | , | |||
| John Godwin | godwin001joh | 1907 | -9/14 | 39 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Edmund Goes | goes--001edw | 1907 | 5/2- | 78 g. | Springfield Midgets | Western Association | , |
| Edmund Goes | goes--001edw | 1907 | +7/2-9/22 | Oklahoma City Mets | Western Association | , | |
| Edward Goettel | 1907 | +5/12-7/5+ | 15 g. | Oil City-Jamestown Oseejays | Interstate League | , | |
| Edward Goettel | 1907 | 7/24-9/4 | Seneca Falls | Empire State League | , | ||
| John Golden | golden002joh | 1907 | 121 g. | New Haven Blues | Connecticut State League | , | |
| Tom Golden | golden001tho | 1907 | 6/1-9/8 | Pottsville | Atlantic League | , | |
| Johnny Gonding | gondin001joh | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| Gene Good | good--001eug | 1907 | 5/9-7/4 | Troy Trojans | New York State League | , | |
| Gene Good | good--001eug | 1907 | 7/13-8/26 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Gene Good | good--001eug | 1907 | 8/27-9/22 | Troy Trojans | New York State League | , | |
| Walter Good | 1907 | Denv.-Hanover | Independent | , | |||
| Walter Good | 1907 | Denv.-Iron Works | Independent | , | |||
| Wilbur Good | good--002wil | 1907 | 4/25-5/18 | Lancaster Red Roses | Tri-State League | , | |
| Wilbur Good | good--002wil | 1907 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| Wilbur Good | good--002wil | 1907 | 6/17-9/26 | Akron Champs | Ohio-Pennsylvania League | , | |
| Goode | 1907 | 7/15 | Lynchburg Shoemakers | Virginia League | , | ||
| Richard Goode | 1907 | 8/3-8/5 | Worcester Busters | New England League | , | ||
| George Goodhart | goodha001geo | 1907 | All-Schoolastic | Reading City | , | ||
| George Goodhart | goodha001geo | 1907 | 5/4-8/16 | Umpire | Atlantic League | , | |
| Abraham Goodman | goodma000abe | 1907 | +10/14+ | Billings MT | Independent | , | |
| Clyde Goodman | 1907 | 4/26-9/ | Terre Haute Hottentots | Central League | , | ||
| George Goodman | 1907 | +5/13+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Goodrich | 1907 | 5/9-6/15 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Goodrich | 1907 | 6/17-6/19 | Oshkosh Indians | Wisconsin State League | , | ||
| Goodrich | 1907 | 4/18-4/24 | Lynchburg Shoemakers | Virginia League | , | ||
| Goodwin | 1907 | 5/23 | Des Moines Champs | Western League | , | ||
| Art Goodwin | goodwi001art | 1907 | 5/1-5/6 | Gulfport Crabs | Cotton States League | , | |
| Art Goodwin | goodwi001art | 1907 | 6/8-9/17 | Vicksburg Hill Billies | Cotton States League | , | |
| Clyde Goodwin | goodwi001cly | 1907 | 4/17-9/15 | Milwaukee Brewers | American Association | , | |
| Harry Goodwin | goodwi002har | 1907 | 4/20- | Tacoma Tigers | Northwestern League | , | |
| Harry Goodwin | goodwi002har | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Harry Goodwin | goodwi002har | 1907 | 7 g. | Oakland Oaks | Pacific Coast League | , | |
| Gordon | 1907 | 5/10- | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Brooks Gordon | gordon001bro | 1907 | 103 g. | Austin Senators | Texas League | , | |
| Thomas Gordon | 1907 | 6/1- | Pottsville | Atlantic League | , | ||
| Gorman | 1907 | 5/4-5/5 | Brooklyn | Atlantic League | , | ||
| Gorman | 1907 | 5/18-6/12 | Easton | Atlantic League | , | ||
| Gorman | 1907 | 5/21 | Tecumseh | Southern Michigan League | , | ||
| Ly Gorton | gorton001lym | 1907 | 8/9-8/10 | New Bedford Whalers | New England League | , | |
| Grover Goshorn | 1907 | 9/3-9/8 | Dayton Veterans | Central League | , | ||
| Gossard | 1907 | +8/4-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Del Gouche | 1907 | 24 g. | Calgary Bronchos | Western Canada League | , | ||
| Irwin Gough | 1907 | 5/14-7/14 | Jackson Convicts | Southern Michigan League | , | ||
| Irwin Gough | 1907 | 7/18-9/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Gould | 1907 | 5/14 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Gould | 1907 | 7/8-7/30 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Govereau | 1907 | St. Mary’s College KS | College | , | |||
| Govereau | 1907 | 7/1-7/26 | Leavenworth Convicts | Western Association | , | ||
| Mike Grady | grady-002mic | 1907 | 4/26-9/14 | Wilmington Peaches | Tri-State League | , | |
| William Graffius | graffi001wil | 1907 | 4/10-6/16 | Shreveport Pirates | Southern Association | , | |
| William Graffius | graffi001wil | 1907 | +6/25-9/18 | Gulfport Crabs | Cotton States League | , | |
| Graft | 1907 | 6/14 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Vincent Gragion | gragio000vin | 1907 | 5/24-9/7 | Geneva | Empire State League | , | |
| Charlie Graham | graham002cha | 1907 | , | ||||
| Earl Graham | graham001ear | 1907 | 5/2-5/31 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Earl Graham | graham001ear | 1907 | 6/4-9/15 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| George Graham | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | ||
| Harry Graham | graham002har | 1907 | 38 g. | Butte Miners | Northwestern League | , | |
| Moonlight Graham | graham001arc | 1907 | 5/9-9/20 | Scranton Miners | New York State League | , | |
| Oscar Graham | graham001osc | 1907 | 4/13-8/5 | Washington | American League | Washington, DC | |
| Oscar Graham | graham001osc | 1907 | 8/10-9/15 | Minneapolis Millers | American Association | , | |
| Peaches Graham | graham002geo | 1907 | 4/17-9/16 | Minneapolis Millers | American Association | , | |
| Bill Grahame | graham003wil | 1907 | 4/17-9/14 | Shreveport Pirates | Southern Association | , | |
| Jack Graney | graney002joh | 1907 | 5/15-9/19 | Wilkes-Barre Barons | New York State League | , | |
| James D.? Graney | 1907 | 5/29-7/13 | Fulton | Empire State League | , | ||
| James D.? Graney | 1907 | 7/29-9/6 | Auburn | Empire State League | , | ||
| Grant | 1907 | 9/6 | Flint Vehicles | Southern Michigan League | , | ||
| Angus Grant | grant-001ang | 1907 | Notre Dame | College | , | ||
| Angus Grant | grant-001ang | 1907 | 4/26-9/16 | South Bend Greens | Central League | , | |
| Benjamin Grant | grant-001ben | 1907 | 5/2-5/18 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Benjamin Grant | grant-001ben | 1907 | 5/21-6/2 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Eddie Grant | grant-001edw | 1907 | 5/13-5/14 | Lynn Shoemakers | New England League | , | |
| Eddie Grant | grant-001edw | 1907 | 74 g. | Philadelphia | National League | Philadelphia, PA | |
| George Grant | grant-003geo | 1907 | 4/26-9/7 | Fall River Indians | New England League | , | |
| Arthur Granville | granvi001art | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | |
| Frank Graves | graves002fra | 1907 | 5/9-6/27 | Eau Claire Tigers | Wisconsin State League | , | |
| Frank Graves | graves002fra | 1907 | 6/30-9/1 | Green Bay Orphans | Wisconsin State League | , | |
| Frank Graves | graves002fra | 1907 | 9/14-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| George Graves | graves001geo | 1907 | 5/2-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| George Graves | graves001geo | 1907 | +8/16-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Gray | 1907 | 5/30-7/2 | Brooklyn | Atlantic League | , | ||
| Gray | 1907 | 6/5 | Dayton Veterans | Central League | , | ||
| Gray | 1907 | Bangor White Sox | Maine State League | , | |||
| Bert Gray | 1907 | 7/13-7/27 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Charles Gray | 1907 | Portl-Multnomah | Independent | , | |||
| Charles Gray | 1907 | 5/22-5/28 | Vancouver Canucks | Northwestern League | , | ||
| Charles Gray | 1907 | 6/6,7/11-9/25 | Spokane Indians | Northwestern League | , | ||
| Charles Gray | 1907 | 10/1-10/5 | Vancouver Canucks | Northwestern League | , | ||
| Dolly Gray | gray--003wil | 1907 | 54 g. | Los Angeles Angels | Pacific Coast League | , | |
| Homer Gray | 1907 | 109 g. | Monroe Municipals | Gulf Coast League | , | ||
| Leonard Gray | gray--001leo | 1907 | , | ||||
| Wilbur Gray | 1907-10 | Calumet High Sch | High School | , | |||
| Wilder Gray | 1907 | 5/2-5/8+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Wilder Gray | 1907 | 5/13-8/7+ | 81 g. | Webb City Goldbugs | Western Association | , | |
| Green | 1907 | 128 g. | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Green | 1907 | Sharon Giants | Ohio-Pennsylvania League | , | |||
| Danny Green | green-001edw | 1907 | 4/17-9/16 | Milwaukee Brewers | American Association | , | |
| Frank Green | green-002fra | 1907 | 5/8-9/13 | Burlington Pathfinders | Iowa League | , | |
| Roy Green | 1907 | Sagi.-Gately | Independent | , | |||
| Roy Green | 1907 | Saginaw HS | , | ||||
| Ernest Greene | greene001ern | 1907 | 4/29-9/14 | Buffalo Bisons | Eastern League | , | |
| Paddy Greene | greene001pat | 1907 | 5/1-6/11 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Paddy Greene | greene001pat | 1907 | 6/16-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Teddy Greene | greene001ted | 1907 | Waverly IA | Independent | , | ||
| Ernest Greenwell | 1907 | preseason | Wilmington Peaches | Tri-State League | , | ||
| Ernest Greenwell | 1907 | no g. | Altoona Mountaineers | Tri-State League | , | ||
| Ernest Greenwell | 1907 | 5/23-7/24 | Chester/Tamaqua | Atlantic League | , | ||
| Ernest Greenwell | 1907 | 7/31-9/6 | Lowell Tigers | New England League | , | ||
| Gregion | 1907 | 5/24- | Geneva | Empire State League | , | ||
| Gregory | 1907 | 6/5-6/17 | Springfield Midgets | Western Association | , | ||
| Gregory | 1907 | +7/22-8/6+ | Columbus Discoverers | Cotton States League | , | ||
| Eli Gregory | 1907 | 6 g. | Augusta | Maine State League | , | ||
| Eli Gregory | 1907 | 17 g. | Waterville | Maine State League | , | ||
| Joseph Gremillion | 1907 | Monroe Municipals | Gulf Coast League | , | |||
| Joseph Gremillion | 1907 | 6/30 | Little Rock Travelers | Southern Association | , | ||
| Ed Gremminger | gremmi001lor | 1907 | 4/17-9/16 | Minneapolis Millers | American Association | , | |
| John Gribben | 1907 | 5/1-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| John Gribben | 1907 | 5/28-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| John Gribben | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| John Gribben | 1907 | 7/22-9/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Griffin | 1907 | 5/4 | Easton | Atlantic League | , | ||
| Griffin | 1907 | 5/25-7/15 | Lyons | Empire State League | , | ||
| Griffin | 1907 | 7/19-9/7 | Fulton | Empire State League | , | ||
| E. Griffin | 1907 | 4/22 | Norfolk Tars | Virginia League | , | ||
| Frank Griffin | 1907 | 6/29-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| James Griffin | 1907 | 5/13-5/15 | Syracuse Stars | New York State League | , | ||
| James Griffin | 1907 | 6/11-7/16 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Sandy Griffin | griffi001san | 1907 | 5/9-9/22 | Syracuse Stars | New York State League | , | |
| Steve Griffin | griffi001ste | 1907 | 4/24-4/29 | Wilmington Peaches | Tri-State League | , | |
| Steve Griffin | griffi001ste | 1907 | 5/20-6/1 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Steve Griffin | griffi001ste | 1907 | 6/20-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Steve Griffin | griffi001ste | 1907 | 9/9-9/20 | Norfolk Tars | Virginia League | , | |
| Whitey Griffin | 1907 | 5/10-9/8 | Allentown | Atlantic League | , | ||
| Griffith | 1907 | 4 g. | Wheeling Stogies | Central League | , | ||
| Henry Griffith | griffi004fra | 1907 | 5/1- | 13 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , |
| Art Griggs | griggs001art | 1907 | 62 g. | San Antonio Bronchos | Texas League | , | |
| Jack Grim | grim--001joh | 1907 | Lynchburg Shoemakers | Virginia League | , | ||
| John Grim | grim--002joh | 1907 | Indi. Gun Club | Semi-professional | , | ||
| John Grim | grim--002joh | 1907 | 5/8-5/17 | Umpire | Central League | , | |
| Paul Grimes | grimes001pau | 1907 | 5/9-9/20 | Madison Senators | Wisconsin State League | , | |
| Myron Grimshaw | grimsh001myr | 1907 | 10/5 | 64 g. | Boston | American League | Boston, MA |
| John Grindle | 1907 | Ottumwa Packers | Iowa League | , | |||
| Groat | 1907 | 5/21 | Lansing Senators | Southern Michigan League | , | ||
| William Groeschow | groesc001wil | 1907 | 4/25-9/13 | Grand Rapids Wolverines | Central League | , | |
| Groff | 1907 | 6/19 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| John Grogan | grogan004joh | 1907 | 6/12-9/7 | Burlington Pathfinders | Iowa League | , | |
| John Grogan | 1907 | 4/25-9/13 | Dayton Veterans | Central League | , | ||
| C. Groh | 1907 | 5/29- | Lyons | Empire State League | , | ||
| Lewis Groh | groh--001lew | 1907 | 5/25-6/11 | Lyons | Empire State League | , | |
| Lewis Groh | groh--001lew | 1907 | 6/13-8/5 | Seneca Falls | Empire State League | , | |
| Lewis Groh | groh--001lew | 1907 | 8/6-8/15 | Auburn | Empire State League | , | |
| Lewis Groh | groh--001lew | 1907 | 46 g. | Buffalo Bisons | Eastern League | , | |
| Groom | 1907 | 6/21-6/28 | Seneca Falls | Empire State League | , | ||
| Leo Groom | groom-001leo | 1907 | 5 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Robert Groom | groom-001rob | 1907 | Portland Beavers | Pacific Coast League | , | ||
| Herbert Grubb | grubb-001her | 1907 | 121 g. | Hartford Senators | Connecticut State League | , | |
| Frank Grubbs | grubbs002fra | 1907 | Charlotte | Carolina League | , | ||
| Gruber | 1907 | 8/21 | Charleston Sea Gulls | South Atlantic League | , | ||
| Louis Gruebner | gruebn001lou | 1907 | 5/9-6/2 | Madison Senators | Wisconsin State League | , | |
| Gruner | 1907 | +6/25+ | Rich.-Brownies | Amateur | , | ||
| Gruner | 1907 | +7/31-8/24+ | Watkins-Cottrell | Amateur | , | ||
| Gruner | 1907 | 8/10 | Lynchburg Shoemakers | Virginia League | , | ||
| Stuart Guerney | 1907 | 5/2-6/4 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Stuart Guerney | 1907 | 7/29- | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Whitey Guese | guese-001the | 1907 | 4/13-9/13 | New Orleans Pelicans | Southern Association | , | |
| Jasper Guhl | 1907 | Bluffton | Ohio-Indiana League | , | |||
| Thomas Guiheen | guihee001tho | 1907 | 4/26-7/24 | Fall River Indians | New England League | , | |
| Guiney | 1907 | 5/3-5/16 | Scottdale Giants | Western Pennsylvania League | , | ||
| Frank Gum | gum---002fra | 1907 | +4/10-6/4+ | Portland Beavers | Pacific Coast League | , | |
| Gumz | 1907 | 8/2 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Harry Gunnell | 1907 | 5/24-6/ | Umpire | Empire State League | , | ||
| Cecil Gunter | gunter001c-- | 1907 | 5/20-7/23 | Sumter Gamecocks | South Carolina League | , | |
| Frank Gunther | gunthe001fra | 1907 | 5/4-5/23 | Pottsville | Atlantic League | , | |
| William Guthrie | 1907 | Umpire | Wich-WebbC | , | |||
| Louis Gutierrez | 1907 | 43 g. | Monroe Municipals | Gulf Coast League | , | ||
| Wilfred Gutierrez | guitte001wil | 1907 | Jacksonville Jays | South Atlantic League | , | ||
| Wilfred Gutierrez | guitte001wil | 1907 | 62 g. | Monroe Municipals | Gulf Coast League | , | |
| Isaac Guyn | guyn--001how | 1907 | +4/27-9/1+ | 68 g. | Waco Navigators | Texas League | , |
| Charles Guyon | 1907 | -9/13 | 42 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| George Gwinn | 1907 | 5/9-6/24 | Freeport Pretzels | Wisconsin State League | , | ||
| George Gwinn | 1907 | 7/3-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Frank Gygli | gygli-001fra | 1907 | 5/2-5/3 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Frank Gygli | gygli-001fra | 1907 | 5/8-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Haas | 1907 | 5/13-5/14 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Bert Haas | haas--003ber | 1907 | 5/2-9/1+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Bert Haas | haas--001ber | 1907 | 4/18-5/21 | Lynchburg Shoemakers | Virginia League | , | |
| Bert Haas | haas--001ber | 1907 | 5/27-9/9 | Norfolk Tars | Virginia League | , | |
| Christopher Habenicht | 1907 | Colu.-YMCA | Columbus City | , | |||
| Christopher Habenicht | 1907 | 8/24 | Columbia Gamecocks | South Atlantic League | , | ||
| Hackett | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Jim Hackett | hacket001jam | 1907 | 4/10-4/26 | Nashville Volunteers | Southern Association | , | |
| Jim Hackett | hacket001jam | 1907 | 5/12-8/16 | Umpire | Southern Association | , | |
| Jim Hackett | hacket001jam | 1907 | 8/25-9/14 | Jacksonville Lunatics | Iowa League | , | |
| Tom Hackett | hacket001tho | 1907 | 128 g. | Oakland Oaks | Pacific Coast League | , | |
| Hubert Hadley | hadley001hub | 1907 | 5/29-7/26 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Hubert Hadley | hadley001hub | 1907 | 7/29-9/ | Terre Haute Hottentots | Central League | , | |
| George Hafer | 1907 | Dillon MT | Independent | , | |||
| George Hafer | 1907 | +8/11+ | Helena MT | Independent | , | ||
| Frank Hafford | haffor001fra | 1907 | 5/12-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Leo Hafford | haffor001leo | 1907 | Tufts College | College | , | ||
| Leo Hafford | haffor001leo | 1907 | 4/24-9/14 | Trenton Tigers | Tri-State League | , | |
| Raymond Hagan | hagan-001ray | 1907 | 5/1-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Hagar | 1907 | 3/17+ | Denver-Mays | Independent | , | ||
| Hagar | 1907 | 6/27 | Denver Grizzlies | Western League | , | ||
| John Hagel | 1907 | 5/7-9/15 | Jacksonville Lunatics | Iowa League | , | ||
| Kurt Hageman | 1907 | -9/13 | 29 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Raymond Hagen | 1907 | 138 g. | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Hager | 1907 | 7/15 | Jacksonville Lunatics | Iowa League | , | ||
| Hahn | 1907 | 7/18 | Rochester Bronchos | Eastern League | , | ||
| Ed Hahn | hahn--003wil | 1907 | Chicago | American League | Chicago, IL | ||
| Louis Haidt | haidt-001lou | 1907 | 130 g. | Galveston Sand Crabs | Texas League | , | |
| Victor Haisman | haisma001vic | 1907 | 5/15-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Glenn Hale | hale--001gle | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | |
| Jess Hale | hale--001jes | 1907 | 6/1-7/8 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Ray Hale | hale--001ray | 1907 | 4/29-9/12 | Dayton Veterans | Central League | , | |
| Haler | 1907 | 3 g. | Dayton Veterans | Central League | , | ||
| George Haley | 1907 | 201 g. | Oakland Oaks | Pacific Coast League | , | ||
| Robert Haley | 1907 | 5/19-9/21 | Bay City | Southern Michigan League | , | ||
| Halez | 1907 | 7/27 | Pottsville | Atlantic League | , | ||
| Hall | 1907 | 5/22 | Scottdale Giants | Western Pennsylvania League | , | ||
| Bob Hall | hall--004rob | 1907 | 4/30-9/24 | Baltimore Orioles | Eastern League | , | |
| C. L. Hall | 1907 | 5/22 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Charley Hall | hall--004cha | 1907 | 12 g. | Cincinnati | National League | Cincinnati, OH | |
| Charley Hall | hall--004cha | 1907 | 8/14-9/15 | Columbus Senators | American Association | , | |
| Clyde Hall | 1907 | 4/22-9/13 | Omaha Rourkes | Western League | , | ||
| James Hall | 1907 | Austin College | College | , | |||
| James Hall | 1907 | 6/3+ | Fort Worth Panthers | Texas League | , | ||
| John Hall | 1907 | 7/17-9/15 | Umpire | Iowa League | , | ||
| Louis Hall | hall--001lou | 1907 | 4/20-7/4 | Sioux City Packers | Western League | , | |
| Marc Hall | hall--001mar | 1907 | 5/3-7/16+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Marc Hall | hall--001mar | 1907 | 8/7-9/2+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Russ Hall | hall--011rob | 1907 | Butte Miners | Northwestern League | , | ||
| Rusty Hall | hall--001war | 1907 | 4/22 | Denver Grizzlies | Western League | , | |
| Rusty Hall | hall--001war | 1907 | 28 g. | Vancouver Canucks | Northwestern League | , | |
| John Halla | halla-001joh | 1907 | 5/2-9/22 | Topeka White Sox | Western Association | , | |
| Edward Halligan | hallig001edw | 1907 | +8/20+ | Norwich Reds | Connecticut State League | , | |
| Jocko Halligan | hallig001joc | 1907 | 4/25-9/24 | Jersey City Skeeters | Eastern League | , | |
| Bill Hallman | hallma002wil | 1907 | 5/13-5/21 | Albany Senators | New York State League | , | |
| Bill Hallman | hallma002wil | 1907 | 5/25 | Syracuse Stars | New York State League | , | |
| Bill Hallman | hallma002wil | 1907 | 6/1-7/19 | Columbia Gamecocks | South Atlantic League | , | |
| Bill Hallman | hallma001wil | 1907 | - 9/27 | 94 g. | Pittsburgh | National League | Pittsburgh, PA |
| Charles Hallman | 1907 | 31 g. | Portsmouth Truckers | Virginia League | , | ||
| Lamar Ham | ham---002lam | 1907 | 4/24-6/7 | Danville Red Sox | Virginia League | , | |
| Lamar Ham | ham---002lam | 1907 | 6/20-8/10 | Sumter Gamecocks | South Carolina League | , | |
| Arthur Haman | 1907 | preseason | Dallas Giants | Texas League | , | ||
| Arthur Haman | 1907 | 43 g. | Terrell Red Stockings | North Texas League | , | ||
| Otto Hambacher | 1907 | 5/5-9/8 | Newark | Atlantic League | , | ||
| Otto Hambacher | 1907 | 9/6-9/7 | Brooklyn | Atlantic League | , | ||
| Otto Hambacher | 1907 | 9/9-9/24 | Baltimore Orioles | Eastern League | , | ||
| Hamill | 1907 | 8/22 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Hamilton | 1907 | 2 g. | Meridian Ribboners | Cotton States League | , | ||
| Hamilton | 1907 | 8/23-8/24 | Easton | Atlantic League | , | ||
| Argus Hamilton | hamilt001arg | 1907 | Shreveport Pirates | Southern Association | , | ||
| Billy Hamilton | hamilt006wil | 1907 | 4/26-9/7 | Haverhill Hustlers | New England League | , | |
| James Hamilton | 1907 | 5/3-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| James Hamilton | 1907 | 5/28-6/19 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| James Hamilton | 1907 | 6/29- | 68 g. | Flint Vehicles | Southern Michigan League | , | |
| Lee Hamilton | 1907 | Savannah Indians | South Atlantic League | , | |||
| Fritz Hamlin | 1907 | Newton KS | Independent | , | |||
| Walter Hammersley | 1907 | Glens Falls | , | ||||
| Hammond | 1907 | Fairmont Champions | Western Pennsylvania League | , | |||
| Hammond | 1907 | +5/13+ | 13 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Harry Hammond | hammon001har | 1907 | 5/1-6/16 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Harry Hammond | hammon001har | 1907 | 6/23-9/6+ | Springfield Babes | Central League | , | |
| Leon Hammond | 1907 | 5/1-5/4 | Johnstown Johnnies | Tri-State League | , | ||
| Leon Hammond | 1907 | 6/6-6/16 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Leon Hammond | 1907 | 7/4-7/27 | Reading | Atlantic League | , | ||
| Leon Hammond | 1907 | 8/1-8/3 | Easton | Atlantic League | , | ||
| Leon Hammond | 1907 | 8/4-8/10 | Elizabeth | Atlantic League | , | ||
| Harry Hanby | 1907 | 4/25-5/18 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Harry Hanby | 1907 | +8/13+ | Norfolk Tars | Virginia League | , | ||
| George Handiboe | 1907 | Umpire | Columbus City | , | |||
| George Handiboe | 1907 | Umpire | South Atlantic League | , | |||
| Joe Handiboe | 1907 | +9/14+ | Wash-Aloysius | Independent | , | ||
| Mike Handiboe | handib001alo | 1907 | Martinsburg WV | Independent | , | ||
| William Handiboe | handib002wil | 1907 | +7/16+ | Wash-PropClerks | Independent | , | |
| William Handiboe | handib002wil | 1907 | +9/14+ | Wash-Aloysius | Independent | , | |
| Jim Haney | haney-003jam | 1907 | 58 g. | Duluth White Sox | Northern-Copper Country League | , | |
| Charles Hanford | 1907 | 4/25-9/24 | Jersey City Skeeters | Eastern League | , | ||
| Jack Hankey | hankey001joh | 1907 | 4/15-9/4 | Jacksonville Jays | South Atlantic League | , | |
| Jack Hankey | hankey001joh | 1907 | 5/17-6/3 | Norfolk Tars | Virginia League | , | |
| Jack Hankey | hankey001joh | 1907 | 6/22-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Jack Hankey | hankey001joh | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Hanks | 1907 | Anderson Electricians | South Carolina League | , | |||
| Arthur Hanks | hanks-001art | 1907 | Hagerstown MD | Independent | , | ||
| George Hanley | hanley002geo | 1907 | 5/12-5/25 | Syracuse Stars | New York State League | , | |
| George Hanley | hanley002geo | 1907 | 7/1-7/3 | Binghamton Bingoes | New York State League | , | |
| Hanlon | 1907 | 5/29 | Geneva | Empire State League | , | ||
| F. B. Hanlon | hanlon001f-- | 1907 | 5/2-6/6+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| F. B. Hanlon | hanlon001f-- | 1907 | +7/4-9/2 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Earl Hanna | 1907 | Merlon AL | Independent | , | |||
| Earl Hanna | 1907 | 6/-7/3+ | Columbus Discoverers | Cotton States League | , | ||
| John Hannafin | 1907 | 5/8-5/10 | Providence Grays | Eastern League | , | ||
| Larry Hannafin | hannaf001law | 1907 | 44 g. | Scranton Miners | New York State League | , | |
| Larry Hannafin | hannaf001law | 1907 | Albany Senators | New York State League | , | ||
| John Hannah | 1907 | 5/1-5/8 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| John Hannah | 1907 | 7/28-8/3 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| John Hannah | 1907 | 8/10-9/? | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Hanneman | 1907 | 5/12 | Pueblo Indians | Western League | , | ||
| Jack Hannifin | hannif002joh | 1907 | 56 g. | New York | National League | New York, NY | |
| Jack Hannifin | hannif002joh | 1907 | 5/8-5/10 | Providence Grays | Eastern League | , | |
| George Hannigan | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | |||
| Pat Hannivan | hanniv001pat | 1907 | 5/2-5/11 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Pat Hannivan | hanniv001pat | 1907 | 6/6-6/13 | Worcester Busters | New England League | , | |
| Hannon | 1907 | 9/1 | Brooklyn | Atlantic League | , | ||
| Billy Hanrahan | hanrah001wil | 1907 | , | ||||
| Peter Hansen | hansen001pet | 1907 | 5/9-6/19 | Burlington Pathfinders | Iowa League | , | |
| Seth Hanson | 1907 | 63 g. | Portland Blue Sox | Maine State League | , | ||
| Hapt | 1907 | 1 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Harber | 1907 | 5/20-7/1+ | Anderson Electricians | South Carolina League | , | ||
| George Harbison | 1907 | 139 g. | Waco Navigators | Texas League | , | ||
| George Harbusch | 1907 | 5/28-7/18 | Allentown | Atlantic League | , | ||
| George Harbusch | 1907 | 7/22-9/14 | Altoona Mountaineers | Tri-State League | , | ||
| Harden | 1907 | 8/11 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| William Harding | 1907 | 6/20- | Umpire | Empire State League | , | ||
| William Harding | 1907 | 7/24-7/25 | Geneva | Empire State League | , | ||
| Hardy | 1907 | 5/18-5/24 | Flint Vehicles | Southern Michigan League | , | ||
| Hardy | 1907 | 7/26 | Jacksonville Lunatics | Iowa League | , | ||
| Alex Hardy | hardy-001dav | 1907 | 5/9-9/20 | Troy Trojans | New York State League | , | |
| Ellis Hardy | hardy-001ell | 1907-10 | Tx Christian | College | , | ||
| Harry Hardy | hardy-001har | 1907 | 4/28-9/24 | Baltimore Orioles | Eastern League | , | |
| Jack Hardy | hardy-001joh | 1907 | 1 g. | Chicago | National League | Chicago, IL | |
| Jack Hardy | hardy-001joh | 1907 | 4/10-9/14 | Nashville Volunteers | Southern Association | , | |
| Frank Hare | 1907 | 4/27-5/15 | Springfield Babes | Central League | , | ||
| Frank Hare | 1907 | Lebanon IN | Independent | , | |||
| Frank Hare | 1907 | 8/25-9/10 | Sioux City Packers | Western League | , | ||
| Frank Hare | 1907 | Ross Polytech | College | , | |||
| Denny? Hargrove | 1907 | 6/16-6/25 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| George Hargrove | 1907 | ClintonIN-Push | Independent | , | |||
| Warrick Hargrove | 1907 | ClintonIN-Push | Independent | , | |||
| Harker | 1907 | +5/21+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Harkins | 1907 | 18 g. | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Neil Harkins | 1907 | Umpire | New York State League | , | |||
| William Harkins | 1907 | 5/8-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| William Harkins | 1907 | Bradford Drillers | Interstate League | , | |||
| Roy Harland | harlan001cud | 1907 | 5/8-6/2 | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | |
| Dick Harley | harley001ric | 1907 | 4/24-8/13 | Trenton Tigers | Tri-State League | , | |
| Dick Harley | harley001hen | 1907 | 4/15-9/4 | Macon Brigands | South Atlantic League | , | |
| Con Harlow | harlow001con | 1907 | 5/29-6/18 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Con Harlow | harlow001con | 1907 | 7/22-9/18 | Columbus Discoverers | Cotton States League | , | |
| George Harm | 1907 | 4/20-4/22 | Lincoln Treeplanters | Western League | , | ||
| George Harm | 1907 | 4/26-5/13 | Pueblo Indians | Western League | , | ||
| George Harm | 1907 | 6/1-8/1 | Waterloo Cubs | Iowa League | , | ||
| Ira Harmon | harmon001ira | 1907 | preseason | Lincoln Treeplanters | Western League | , | |
| Ira Harmon | harmon001ira | 1907 | 5/7-9/14 | Waterloo Cubs | Iowa League | , | |
| Walter Harmon | harmon001wal | 1907 | Hudson River League | , | |||
| Walter Harmon | harmon001wal | 1907 | 6/10-6/27 | Roanoke Tigers | Virginia League | , | |
| Harms | 1907 | +9/22+ | Detr.-Monroe Shops | Independent | , | ||
| Jerry Harms | 1907 | Portland | , | ||||
| William Harmuth | harmut001wil | 1907 | Dayton PA Prep | , | |||
| William Harmuth | harmut001wil | 1907 | 7/4 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Harmuth | harmut001wil | 1907 | 7/12-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| William Harmuth | harmut001wil | 1907 | 7/18 | Butler White Sox | Western Pennsylvania League | , | |
| William Harmuth | harmut001wil | 1907 | 8/1-8/10 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Nick Harnish | harnis001nic | 1907 | 4/8-7/18 | Macon Brigands | South Atlantic League | , | |
| Nick Harnish | harnis001nic | 1907 | 8/2-8/11 | Dayton Veterans | Central League | , | |
| Alexander Harper | 1907 | 4/25- | 22 g. | Seattle Siwashes | Northwestern League | , | |
| Alexander Harper | 1907 | Vancouver Canucks | Northwestern League | , | |||
| Alexander Harper | 1907 | 76 g. | Edmonton Grays | Western Canada League | , | ||
| J. F. Harper | 1907 | 6/28 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Jack Harper | harper003cha | 1907 | 5/17 | Columbus Senators | American Association | , | |
| Daniel Harrell | 1907 | Univ. Pittsburgh | College | , | |||
| Daniel Harrell | 1907 | -9/13 | 37 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Bernard Harrigan | 1907 | +7/18+ | Scammon KS | Independent | , | ||
| Guy Harrington | harrin001guy | 1907 | 5/2-9/22 | Joplin Miners | Western Association | , | |
| Harris | 1907 | 1 g. | Columbus Discoverers | Cotton States League | , | ||
| Harris | 1907 | 20 g. | Medicine Hat Hatters | Western Canada League | , | ||
| Bernard Harris | 1907 | 4/9-4/23 | Macon Brigands | South Atlantic League | , | ||
| Charles Harris | 1907 | 7/15-7/27 | Macon Brigands | South Atlantic League | , | ||
| Ewing Harris | harris001ewi | 1907 | 36 g. | San Antonio Bronchos | Texas League | , | |
| Joe Harris | harris007jos | 1907 | 7/3-9/21 | Providence Grays | Eastern League | , | |
| Joe Harris | harris007jos | 1907 | -10/5 | 12 g. | Boston | American League | Boston, MA |
| John Harris | harris001joh | 1907 | Ardmore OK | Independent | , | ||
| John Harris | harris001joh | 1907 | 13 g. | Fort Worth Panthers | Texas League | , | |
| John Harris | harris001joh | 1907 | Houston Buffaloes | Texas League | , | ||
| John Harris | 1907 | 5/7-9/5 | Marshalltown Snappers | Iowa League | , | ||
| Joseph Harris | harris002jos | 1907 | 4/25-6/16 | Grand Rapids Wolverines | Central League | , | |
| M. C. Harris | 1907 | 8/12-9/6 | Lowell Tigers | New England League | , | ||
| William Harris | 1907 | 5/14-7/14 | Jackson Convicts | Southern Michigan League | , | ||
| William Harris | 1907 | 7/18-9/18 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Harrison | 1907 | 5/23-6/7 | Greenville Mountaineers | South Carolina League | , | ||
| Harrison | 1907 | 9/13-9/15 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Harry Harrod | harrod001har | 1907 | 5/1-9/10 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Hart | 1907 | 7/11 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Hart | hart--051--- | 1907 | 8/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Hart | 1907 | 6/1-6/23 | Chester/Tamaqua | Atlantic League | , | ||
| Bill Hart | hart--004wil | 1907 | 4/24-9/13 | Little Rock Travelers | Southern Association | , | |
| Bobbie Hart | 1907 | 5/1-9/28 | Umpire | Ohio-Pennsylvania League | , | ||
| Danny Hart | 1907 | 5/1-6/19 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Danny Hart | 1907 | Catasauqua PA | Independent | , | |||
| Danny Hart | 1907 | 8/13-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Hub Hart | hart--004jam | 1907 | - 10/5 | 29 g. | Chicago | American League | Chicago, IL |
| Jimmy Hart | hart--003jam | 1907 | 4/17-4/28 | Minneapolis Millers | American Association | , | |
| Jimmy Hart | hart--003jam | 1907 | 5/16-9/14 | Sioux City Packers | Western League | , | |
| Chick Hartley | hartle001wal | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Hartman | 1907 | 6/21-6/27 | Quincy Gems | Iowa League | , | ||
| Charles Hartman | hartma001cha | 1907 | , | ||||
| Charles Hartman | 1907 | 5/4-9/8 | Pottsville | Atlantic League | , | ||
| Charlie Hartman | hartma002cha | 1907 | 54 g. | Portland Beavers | Pacific Coast League | , | |
| Dutch Hartman | 1907 | 6/6-8/24 | Green Bay Orphans | Wisconsin State League | , | ||
| Edgar Hartman | 1907 | 5/4- | 103 g. | Pottsville | Atlantic League | , | |
| Francis Hartman | 1907 | 5/8-9/8 | Reading | Atlantic League | , | ||
| Fred Hartman | hartma003fre | 1907 | 5/1-9/14 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Louis Hartman | hartma003fre | 1907 | NYU Law | College | , | ||
| Louis Hartman | hartma003fre | 1907 | 4/24-8/14 | Trenton Tigers | Tri-State League | , | |
| Sam Hartman | hartma001sam | 1907 | 5/3- | 34 g. | Lynn Shoemakers | New England League | , |
| Sam Hartman | hartma001sam | 1907 | New Bedford Whalers | New England League | , | ||
| Sam Hartman | hartma001sam | 1907 | -9/6 | Lawrence Colts | New England League | , | |
| William Hartman | hartma001wil | 1907 | 4/24-7/4 | Altoona Mountaineers | Tri-State League | , | |
| William Hartman | hartma001wil | 1907 | 7/8-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Roy Hartzell | hartze001roy | 1907 | 4/17-6/2 | St. Paul Saints | American Association | , | |
| Roy Hartzell | hartze001roy | 1907 | 60 g. | St. Louis | American League | St. Louis, MO | |
| M. R. Harwood | 1907 | 5/27-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Jack Haskell | haskel001jac | 1907 | 4/17-9/4 | Umpire | Western League | , | |
| Levi Haslett | 1907 | 7/21-9/4 | Pana Coal Miners | Eastern Illinois League | , | ||
| Robert Hassler | 1907 | preseason | Hutchinson Salt Packers | Western Association | , | ||
| Robert Hassler | 1907 | +7/17-9/2+ | Enterprise KS | Independent | , | ||
| Edward Hasterlik | haster000ed- | 1907 | GrFa-Pirates | Independent | , | ||
| Dennis Hastings | 1907 | 5/11-9/22 | La Crosse Badgers | Wisconsin State League | , | ||
| Ira Hastings | hastin001ira | 1907 | 5/9-8/30 | Green Bay Orphans | Wisconsin State League | , | |
| Charles Hatch | hatch-001cha | 1907 | no g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Charles Hatch | hatch-001cha | 1907 | 5/7-7/20 | Marshalltown Snappers | Iowa League | , | |
| Charles Hatch | hatch-001cha | 1907 | 7/31-9/20 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Harry Hatch | hatch-002har | 1907 | 44 g. | Pueblo Indians | Western League | , | |
| Hatfield | 1907 | 8/5 | 1 inn. | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Elmer Haught | 1907 | 5/1-9/2 | Fairmont Champions | Western Pennsylvania League | , | ||
| Bill Hausen | hausen001hom | 1907 | 4/10-9/14 | Montgomery Senators | Southern Association | , | |
| Emil Hauser | hauser001emi | 1907-09 | Carlisle Indian | School | , | ||
| Sam Havel | havel-001edw | 1907 | 5/1-8/15 | Newark Newks | Ohio-Pennsylvania League | , | |
| Sam Havel | havel-001edw | 1907 | 8/25-9/6 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Sam Havel | havel-001edw | 1907 | 9/13 | Newark Sailors | Eastern League | , | |
| William Havenor | 1907 | 6/27-8/29 | , | ||||
| John Haviland | havila001joh | 1907 | 6/16-7/26 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| John Haviland | havila001joh | 1907 | 8/22-9/15 | Marshalltown Snappers | Iowa League | , | |
| Thomas Hawkins | hawkin001tho | 1907 | 4/8-6/27 | Columbia Gamecocks | South Atlantic League | , | |
| Charles Hawks | 1907 | 5/3-7/5 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Charles Hawks | 1907 | 7/20-8/6 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Pink Hawley | hawley001eme | 1907 | 5/29-9/7 | La Crosse Badgers | Wisconsin State League | , | |
| Jack Hayden | hayden001joh | 1907 | 4/24-9/24 | Rochester Bronchos | Eastern League | , | |
| Hayes | 1907 | 60 g. | Bay City | Southern Michigan League | , | ||
| Hayes | 1907 | 5/4-9/7 | Elizabeth | Atlantic League | , | ||
| Hayes | 1907 | +6/10+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Bruce Hayes | hayes-001bru | 1907 | 5/14-7/14 | Jackson Convicts | Southern Michigan League | , | |
| Bruce Hayes | hayes-001bru | 1907 | 8/11-9/1 | Bay City | Southern Michigan League | , | |
| Gerald Hayes | hayes-001ger | 1907 | 4/17-9/16 | Umpire | American Association | , | |
| Gerald Hayes | hayes-001ger | 1907 | 5/30- | Umpire | Wisconsin-Illinois League | , | |
| Thomas Hayes | hayes-002tom | 1907 | Newport NH | Independent | , | ||
| Thomas Hayes | hayes-002tom | 1907 | Burlington | Vermont League | , | ||
| Thomas Hayes | hayes-002tom | 1907 | 42 g. | New London Whalers | Connecticut State League | , | |
| Harry Haylor | 1907 | +8/10+ | Cant.-CrystalPark | Amateur | , | ||
| Harry Haylor | 1907 | 9/11-9/16 | Dayton Veterans | Central League | , | ||
| William Hayward | haywar001wil | 1907 | 110 g. | New Haven Blues | Connecticut State League | , | |
| Ben Hayworth | haywor001ben | 1907 | 4/26-9/15 | South Bend Greens | Central League | , | |
| John Hazel | hazel-001joh | 1907 | 5/9-7/7 | Oshkosh Indians | Wisconsin State League | , | |
| John Hazel | hazel-001joh | 1907 | 6/12-7/12 | La Crosse Badgers | Wisconsin State League | , | |
| Doc Hazelton | hazlet001wil | 1907 | 4/24 | Johnstown Johnnies | Tri-State League | , | |
| Dwight Hazelton | hazelt001dwi | 1907 | 43 g. | Bradford Drillers | Interstate League | , | |
| Dwight Hazelton | hazelt001dwi | 1907 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Dwight Hazelton | hazelt001dwi | 1907 | 43 g. | Bradford Drillers | Interstate League | , | |
| Headley | 1907 | +5/18+ | Waynesburg Col. | College | , | ||
| Walter Headon | headon000wal | 1907 | +7/4+ | Lawrence KS | Independent | , | |
| Heald | 1907 | 1 g. | Lewiston | Maine State League | , | ||
| Heald | 1907 | 1 g. | Lewiston | Maine State League | , | ||
| Ed Hearne | hearn-001edm | 1907 | 4/20-4/25 | Butte Miners | Northwestern League | , | |
| Ed Hearne | hearn-001edm | 1907 | 4/30-5/15 | Seattle Siwashes | Northwestern League | , | |
| Ed Hearne | hearn-001edm | 1907 | 5/19-6/19 | Vancouver Canucks | Northwestern League | , | |
| Hughie Hearne | hearne001hug | 1907 | 4/26-9/20 | Baltimore Orioles | Eastern League | , | |
| Hebron | 1907 | 5/21 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Ed Heck | heck--004--- | 1907 | Umpire | Western Association | , | ||
| George Heckert | hecker001geo | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Henry Hees | hees--000hen | 1907 | Anaconda MT | Independent | , | ||
| Jimmie Heffernan | heffer001jam | 1907 | Syracuse Univ. | College | , | ||
| Jimmie Heffernan | heffer001jam | 1907 | 6/12-9/20 | Utica Pent-Ups | New York State League | , | |
| Edward Heffner | heffne001edw | 1907 | 5/12-5/13 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Edward Heffner | heffne001edw | 1907 | 6/23-8/11 | Umpire | Atlantic League | , | |
| William Heffron | 1907 | 4/18-9/21 | Richmond Colts | Virginia League | , | ||
| Joseph Heigelfort | 1907 | 53 g. | Terrell Red Stockings | North Texas League | , | ||
| Edward Heimerl | heimer000edw | 1907 | +6/16+ | Kaukauna | Fox River League | , | |
| Heintz | 1907 | 5/1- | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Carl Heintz | 1907 | 7/3-7/5 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Charles Heinz | 1907 | 5/2-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Jacob Heir | heir--000jak | 1907 | 7/15-7/29 | Shelbyville Queen Citys | Eastern Illinois League | , | |
| Crese Heismann | heisma001chr | 1907 | 4/9-4/30 | Columbia Gamecocks | South Atlantic League | , | |
| Crese Heismann | heisma001chr | 1907 | 5/20-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Crese Heismann | heisma001chr | 1907 | 8/14-9/20 | Roanoke Tigers | Virginia League | , | |
| William Heitmuller | heitmu001wil | 1907 | 199 g. | Oakland Oaks | Pacific Coast League | , | |
| John Helding | 1907 | 75 g. | Duluth White Sox | Northern-Copper Country League | , | ||
| Frederick Heller | heller001fre | 1907 | 5/1-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| James Helms | helm--001jam | 1907 | 35 g. | Macon Brigands | South Atlantic League | , | |
| James Helms | helm--001jam | 1907 | 8/10-9/14 | Montgomery Senators | Southern Association | , | |
| George Helmund | helmun001geo | 1907 | 5/12-9/22 | Syracuse Stars | New York State League | , | |
| Hemersley | 1907 | 6/14 | Seneca Falls | Empire State League | , | ||
| C. B. Hemp | 1907 | 8/29-9/29 | Taylorville Tailors | Eastern Illinois League | , | ||
| Charlie Hemphill | hemphi001cha | 1907 | 153 g. | St. Louis | American League | St. Louis, MO | |
| Frank Hemphill | hemphi001fra | 1907 | 4/17-5/19 | Milwaukee Brewers | American Association | , | |
| Frank Hemphill | hemphi001fra | 1907 | 5/29- | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Frank Hemphill | hemphi001fra | 1907 | 6/10-9/10 | Altoona Mountaineers | Tri-State League | , | |
| Henderson | 1907 | 67 g. | Lafayette Browns | Gulf Coast League | , | ||
| Henderson | 1907 | 6/8-7/14 | Pottsville | Atlantic League | , | ||
| Henderson | 1907 | 7/28 | Chester/Tamaqua | Atlantic League | , | ||
| C. S. Henderson | 1907 | 67 g. | Lafayette Browns | Gulf Coast League | , | ||
| Ed Henderson | 1907 | 7/25-8/23 | Brooklyn | Atlantic League | , | ||
| Glen Henderson | 1907 | preseason | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Glen Henderson | 1907 | 5/16-5/29 | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Glen Henderson | 1907 | Gilbert Plains | Independent | , | |||
| Glen Henderson | 1907 | 7/20- | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Jimmy Henderson | 1907 | 5/25-8/6 | Auburn | Empire State League | , | ||
| L. W. Henderson | 1907 | 5/30 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| William Henderson | 1907 | 5/14-9/22 | Battle Creek Crickets | Southern Michigan League | , | ||
| Johnny Hendley | hendle001joh | 1907 | 5/2-8/5+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Johnny Hendley | hendle001joh | 1907 | 8/16-9/5 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Jack Hendricks | hendri002joh | 1907 | 4/27-9/15 | Springfield Babes | Central League | , | |
| Claude Hendrix | hendri001cla | 1907 | +10/16+ | Olathe KS | Independent | , | |
| Rhoddy Hendrix | 1907 | +5/26+ | St. Mary’s College KS | College | , | ||
| Rhoddy Hendrix | 1907 | 6/27-7/5 | Joplin Miners | Western Association | , | ||
| Rhoddy Hendrix | 1907 | 7/14-7/19 | Wichita Jobbers | Western Association | , | ||
| Rhoddy Hendrix | 1907 | +8/4-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Hendry | 1907 | +6/27+ | Joplin Miners | Western Association | , | ||
| Clarence Henley | henley001cla | 1907 | San Francisco Seals | Pacific Coast League | , | ||
| Weldon Henley | henley001wel | 1907 | -6/28 | 8 g. | Brooklyn | National League | Brooklyn, NY |
| Weldon Henley | henley001wel | 1907 | 7/4-9/20 | Rochester Bronchos | Eastern League | , | |
| Noah Henline | henlin001noa | 1907 | 4/10-5/15 | Memphis Egyptians | Southern Association | , | |
| Noah Henline | henlin001noa | 1907 | 5/20-9/14 | Montgomery Senators | Southern Association | , | |
| Jacob Henn | 1907 | 4/18-9/21 | Danville Red Sox | Virginia League | , | ||
| Joe Hennegar | henneg001jos | 1907 | 4/8-4/15 | Charleston Sea Gulls | South Atlantic League | , | |
| Joe Hennegar | henneg001jos | 1907 | 5/20-6/3 | Greenville Mountaineers | South Carolina League | , | |
| Joe Hennegar | henneg001jos | 1907 | 6/14-6/22 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Joe Hennegar | henneg001jos | 1907 | 7/6-7/25 | Sumter Gamecocks | South Carolina League | , | |
| Hennessey | 1907 | 7/2 | Auburn | Empire State League | , | ||
| Bill Hennessey | 1907 | York | Nebraska State League | , | |||
| Joe Hennessey | hennes001jos | 1907 | 5/3-5/4 | Newark Sailors | Eastern League | , | |
| Joe Hennessey | hennes001jos | 1907 | 5/11-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Henning | 1907 | 8/22 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Henry Henninger | 1907 | 4/18-5/23 | Lynchburg Shoemakers | Virginia League | , | ||
| Henry Henninger | 1907 | 5/28-7/28 | Anderson Electricians | South Carolina League | , | ||
| Henry Henninger | 1907 | 8/9-9/20 | Portsmouth Truckers | Virginia League | , | ||
| Henriquez | 1907 | Hoboken NJ | Independent | , | |||
| Henriquez | 1907 | 8/7-8/10 | Newark Sailors | Eastern League | , | ||
| Bill Henry | 1907 | 8/17-9/7 | Umpire | Atlantic League | , | ||
| Frank Henry | henry-003fra | 1907 | 5/9-7/31 | Troy Trojans | New York State League | , | |
| Frank Henry | henry-003fra | 1907 | 8/3-9/22 | Binghamton Bingoes | New York State League | , | |
| Jack Henry | henry-001joh | 1907 | 5/2-6/6+ | Topeka White Sox | Western Association | , | |
| Jack Henry | henry-001joh | 1907 | +6/23-9/22 | Oklahoma City Mets | Western Association | , | |
| Herbert | 1907 | no g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Herbert | 1907 | 5/9-5/22 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Jack Herbert | herber003joh | 1907 | 5/1-7/11 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Jack Herbert | herber003joh | 1907 | 7/15-9/14 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Andrew Herbst | 1907 | 6/1-9/24 | Montreal Royals | Eastern League | , | ||
| Joseph Herold | 1907 | 4/11-6/14 | Vicksburg Hill Billies | Cotton States League | , | ||
| Joseph Herold | 1907 | 8/29-8/30 | Vicksburg Hill Billies | Cotton States League | , | ||
| Eddie Herr | herr--002edw | 1907 | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Herriett | 1907 | 7/22 | Hutchinson Salt Packers | Western Association | , | ||
| Herron | 1907 | 5/25 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Hersman | 1907 | 8/30 | Roanoke Tigers | Virginia League | , | ||
| John Herwig | herwig001joh | 1907 | 44 g. | Butte Miners | Northwestern League | , | |
| Buck Herzog | herzog001cha | 1907 | 4/24-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Buck Herzog | herzog001cha | 1907 | 7/24-9/13 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Oscar Heshley | 1907 | Newton KS | Independent | , | |||
| Hess | hess--001art | 1907 | 4/10-9/14 | Little Rock Travelers | Southern Association | , | |
| Hess | 1907 | +8/ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| John Hess | hess--001joh | 1907 | 39 g. | Springfield Ponies | Connecticut State League | , | |
| Tom Hess | hess--001tho | 1907 | 57 g. | Galveston Sand Crabs | Texas League | , | |
| William Hessberger | 1907 | 5/14-9/22 | Battle Creek Crickets | Southern Michigan League | , | ||
| William Hessler | 1907 | 4/18-5/11 | Danville Red Sox | Virginia League | , | ||
| William Hessler | 1907 | 5/21-9/21 | Roanoke Tigers | Virginia League | , | ||
| Willis Hester | 1907 | 24 g. | Houston Buffaloes | Texas League | , | ||
| Larry Hesterfer | hester001law | 1907 | 4/27-9/22 | Toronto Maple Leafs | Eastern League | , | |
| Gus Hetling | hetlin001aug | 1907 | 5/2-9/22 | Wichita Jobbers | Western Association | , | |
| Ernie Heusser | heusse000ern | 1907 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Byron Hewitt | 1907 | 51 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Byron Hewitt | 1907 | 9 g. | Temple Boll Weevils | Texas League | , | ||
| Mike Heydon | heydon001mic | 1907 | -8/16 | 62 g. | Washington | American League | Washington, DC |
| William Heyniger | heynig000--- | 1907 | +7/9+ | Corning NY | Independent | , | |
| Eddie Hickey | hickey001edw | 1907 | 4/20- | Seattle Siwashes | Northwestern League | , | |
| Jack Hickey | hickey002joh | 1907 | 17 g. | Aberdeen Black Cats | Northwestern League | , | |
| Jack Hickey | hickey002joh | 1907 | Seattle Siwashes | Northwestern League | , | ||
| James Hickey | 1907 | 2 g. | San Francisco Seals | Pacific Coast League | , | ||
| James Hickey | 1907 | 5/16 | Seattle Siwashes | Northwestern League | , | ||
| Mike Hickey | hickey001mik | 1907 | Indian Orchard | Bistate League | , | ||
| Mike Hickey | hickey001mik | 1907 | Umpire | Connecticut State League | , | ||
| Walter Hickey | hickey001wal | 1907 | , | ||||
| Charles Hickman | hickma001cha | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Charlie Hickman | hickma004cha | 1907 | 60 g. | Washington | American League | Washington, DC | |
| Charlie Hickman | hickma004cha | 1907 | 21 g. | Chicago | American League | Chicago, IL | |
| John Hickman | hickma001gor | 1907 | 4/14-9/14 | Shreveport Pirates | Southern Association | , | |
| Hicks | 1907 | 5/23 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Rowe Hicks | hicks-001row | 1907 | 4/18-9/21 | Danville Red Sox | Virginia League | , | |
| Irv Higginbotham | higgin001irv | 1907 | Everett WA | Independent | , | ||
| Irv Higginbotham | higgin001irv | 1907 | 5/7- | 54 g. | Aberdeen Black Cats | Northwestern League | , |
| Higgins | 1907 | 4/17-4/25 | Pueblo Indians | Western League | , | ||
| Higgins | 1907 | St. Chas.-Browns | Amateur | , | |||
| Joseph Higgins | higgin001jos | 1907 | 4/26- | Fall River Indians | New England League | , | |
| Joseph Higgins | higgin001jos | 1907 | -9/7 | New Bedford Whalers | New England League | , | |
| Robert Higgins | 1907 | 5/12-5/19 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Robert Higgins | 1907 | 5/26-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| William Higgins | 1907 | 6/25 | Trenton Tigers | Tri-State League | , | ||
| William Higgins | 1907 | 6/29-7/6 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| William Higgins | 1907 | 7/25-9/24 | Rochester Bronchos | Eastern League | , | ||
| Charles Hilbert | hilber000--- | 1907 | 4/30-9/7 | Haverhill Hustlers | New England League | , | |
| Hill | 1907 | 5/27-5/28 | Sumter Gamecocks | South Carolina League | , | ||
| Hill | 1907 | 7/30-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Hill | 1907 | 8/13-8/18 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Archibald Hill | 1907 | Farilbault MN | Independent | , | |||
| Archibald Hill | 1907 | Rugby ND | Dakota | , | |||
| Arthur Hill | 1907 | no g. | Pueblo Indians | Western League | , | ||
| Belden Hill | hill--003bel | 1907 | 5/11-5/12 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Hugh Hill | hill--001hug | 1907 | 4/17-9/16 | Kansas City Blues | American Association | , | |
| Hunter Hill | hill--001hun | 1907 | 4/24-7/9 | Montreal Royals | Eastern League | , | |
| Hunter Hill | hill--001hun | 1907 | 7/10- | Buffalo Bisons | Eastern League | , | |
| William Hille | 1907 | 5/9-9/22 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Arthur Hillebrand | hilleb001art | 1907 | , | ||||
| Homer Hillebrand | hilleb001hom | 1907 | Pittsburgh | National League | Pittsburgh, PA | ||
| Homer Hillebrand | hilleb001hom | 1907 | Minneapolis Millers | American Association | , | ||
| Hiller | 1907 | +5/11+ | Lancaster Red Roses | Tri-State League | , | ||
| Ed Hilley | hilley001edw | 1907 | 5/1-8/3+ | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Ed Hilley | hilley001edw | 1907 | +8/13-8/31+ | Sharon Giants | Ohio-Pennsylvania League | , | |
| Ed Hilley | hilley001edw | 1907 | +9/7-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| William Hillinger | 1907 | 5/14-9/22 | Tecumseh | Southern Michigan League | , | ||
| F. L. Hilt | 1907 | 94 g. | Bridgeport Orators | Connecticut State League | , | ||
| Jack Himes | himes-001joh | 1907 | 4/17-8/16 | Indianapolis Indians | American Association | , | |
| Jack Himes | himes-001joh | 1907 | 8/25-9/15 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Charles Hinchcliffe | 1907 | Wellington KS | Independent | , | |||
| Bill Hinchman | hinchm001wil | 1907 | 152 g. | Cleveland | American League | Cleveland, OH | |
| Harry Hinchman | hinchm001har | 1907 | 5/9-7/28 | Binghamton Bingoes | New York State League | , | |
| Harry Hinchman | hinchm001har | 1907 | 7/29-10/6 | Cleveland | American League | Cleveland, OH | |
| Harry Hinchman | hinchm001har | 1907 | 9/1 | Toledo Mud Hens | American Association | , | |
| James Hines | 1907 | Lansing Senators | Southern Michigan League | , | |||
| John Hinton | hinton001joh | 1907 | 5/1-8/ | 70 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| John Hinton | hinton001joh | 1907 | 8/12 | Pitt.-Galatin | Independent | , | |
| Philip Hinton | 1907 | 4/18-6/7 | Richmond Colts | Virginia League | , | ||
| Philip Hinton | 1907 | 6/18-8/3 | Roanoke Tigers | Virginia League | , | ||
| Philip Hinton | 1907 | 8/8-8/26 | Norfolk Tars | Virginia League | , | ||
| Philip Hinton | 1907 | 9/6-9/21 | Lynchburg Shoemakers | Virginia League | , | ||
| Albert Hippensteel | 1907 | Harr.-Susquehanna | Independent | , | |||
| Arthur Hippert | hipper001gar | 1907 | 5/7-6/15 | Quincy Gems | Iowa League | , | |
| Arthur Hippert | hipper001gar | 1907 | 6/26-9/15 | Quincy Gems | Iowa League | , | |
| R. Hirshfield | 1907 | 7/10-8/1 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| James Hirst | hirst-001jam | 1907 | 8/18-9/26 | Mattoon Giants | Eastern Illinois League | , | |
| Leo Hite | hite--001leo | 1907 | 5/2-5/16+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Roy Hitt | hitt--001roy | 1907 | Cincinnati | National League | Cincinnati, OH | ||
| Tracy Hoag | 1907 | 5 g. | San Francisco Seals | Pacific Coast League | , | ||
| Hobbs | 1907 | Stroudsburg | Blue Mountain League | , | |||
| Allan Hobbs | 1907 | 6/24-6/29 | Montreal Royals | Eastern League | , | ||
| Allan Hobbs | 1907 | 7/11-9/20 | Richmond Colts | Virginia League | , | ||
| Frank Hobbs | hobbs-001fra | 1907 | +10/2+ | Russell IA | Independent | , | |
| Louis Hobbs | 1907 | +6+ | Stroudsburg | Blue Mountain League | , | ||
| Louis Hobbs | 1907 | no g. | Montreal Royals | Eastern League | , | ||
| Dick Hoblitzell | hoblit001ric | 1907 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Dick Hoblitzell | hoblit001ric | 1907 | Fairmont Champions | Western Pennsylvania League | , | ||
| George Hobson | 1907 | 5/25-5/28 | Buffalo Bisons | Eastern League | , | ||
| Elmer Hoch | 1907 | Wilmington Peaches | Tri-State League | , | |||
| Harry Hoch | hoch--001har | 1907 | 4/25-9/13 | Wilmington Peaches | Tri-State League | , | |
| Hockenberry | hocken000--- | 1907 | 7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Hockenberry | hocken000--- | 1907 | 8/9 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Carson Hodge | hodge-001car | 1907 | 30 g. | Holyoke Papermakers | Connecticut State League | , | |
| F. W. Hodgkins | hodgki001--- | 1907 | Lafayette Browns | Gulf Coast League | , | ||
| Art Hoelskoetter | hoelsk001art | 1907 | 119 g. | St. Louis | National League | St. Louis, MO | |
| Jack Hoey | hoey--001joh | 1907 | 39 g. | Boston | American League | Boston, MA | |
| Jack Hoey | hoey--001joh | 1907 | 7/2-7/19 | Toronto Maple Leafs | Eastern League | , | |
| Hofer | 1907 | 5/11 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Harry Hofer | 1907 | 5/18-9/5 | Quincy Gems | Iowa League | , | ||
| Hoff | 1907 | 7/29 | Auburn | Empire State League | , | ||
| Augie Hoff | hoff--001aug | 1907 | 4/8-9/3 | Savannah Indians | South Atlantic League | , | |
| Bill Hoffer | hoffer003wil | 1907 | 7/7-7/28 | Little Rock Travelers | Southern Association | , | |
| Bill Hoffer | hoffer003wil | 1907 | +8/7-9/22 | 12 g. | Oklahoma City Mets | Western Association | , |
| Hoffman | 1907 | in St. Louis | College | , | |||
| Hoffman | 1907 | 6/15-6/29+ | Mobile Sea Gulls | Cotton States League | , | ||
| Hoffman | 1907 | Columbus Discoverers | Cotton States League | , | |||
| Hoffman | hoffma062--- | 1907 | 8/8-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Hoffman | 1907 | 45 g. | Erie Sailors | Interstate League | , | ||
| Dutch Hoffman | 1907 | 5/4-5/31 | Pottsville | Atlantic League | , | ||
| Fred Hoffman | hoffma001fre | 1907 | 4/11-4/19+ | Mobile Sea Gulls | Cotton States League | , | |
| Henry Hoffman | hoffma001h-- | 1907 | Alexandria White Sox | Gulf Coast League | , | ||
| Izzy Hoffman | hoffma004har | 1907 | Hartford Senators | Connecticut State League | , | ||
| Izzy Hoffman | hoffma004har | 1907 | -10/5 | 19 g. | Boston | National League | Boston, MA |
| J. B. Hoffman | 1907 | 5/1-7/12 | Butler White Sox | Western Pennsylvania League | , | ||
| Jack Hoffman | 1907 | 5/3-5/27 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Jack Hoffman | 1907 | Umpire | Western Pennsylvania League | , | |||
| Jack Hoffman | 1907 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |||
| Joseph Hoffman | 1907 | Manitowac | , | ||||
| Larry Hoffman | hoffma001law | 1907 | 4/13-5/6 | Atlanta Crackers | Southern Association | , | |
| Larry Hoffman | hoffma001law | 1907 | 5/29-9/4 | Mobile Sea Gulls | Cotton States League | , | |
| Richard Hoffman | 1907 | , | |||||
| W. P. Hoffman | 1907 | 5/1-6/19 | Butler White Sox | Western Pennsylvania League | , | ||
| William Hoffner | 1907 | 4/25-6/8 | Umpire | Eastern League | , | ||
| William Hoffner | 1907 | 6/15-7/5 | Umpire | Virginia League | , | ||
| Solly Hofman | hofman001art | 1907 | 134 g. | Chicago | National League | Chicago, IL | |
| Hofner | 1907 | 9/11 | Springfield Babes | Central League | , | ||
| Marty Hogan | hogan-002mar | 1907 | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Timothy Hogan | 1907 | 6/13-9/21 | Flint Vehicles | Southern Michigan League | , | ||
| W. Hogan | 1907 | Marion Runts | Independent | , | |||
| W. Hogan | 1907 | 9/9-9/24 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Wallace Hogan | hogan-002wal | 1907 | 117 g. | Los Angeles Angels | Pacific Coast League | , | |
| Edward Hogerty | 1907 | 20 g. | Waterbury Authors | Connecticut State League | , | ||
| Bill Hogg | hogg--002wil | 1907 | 26 g. | New York | American League | New York, NY | |
| John Hoggatt | 1907 | McPherson KS | Independent | , | |||
| George Hogreiver | hogrie001geo | 1907 | 4/17-9/15 | Des Moines Champs | Western League | , | |
| Bradley Hogue | hogue-001b-- | 1907 | , | ||||
| John Hole | 1907 | 37 g. | Dallas Giants | Texas League | , | ||
| Holland | 1907 | +5/23+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Howard Holland | hollan001how | 1907 | 53 g. | Orangeburg Edistoes | South Carolina League | , | |
| Jack Holland | hollan004joh | 1907 | 5/2-9/22 | Wichita Jobbers | Western Association | , | |
| Joseph Holland | hollan001jos | 1907 | 4/11-9/18 | Gulfport Crabs | Cotton States League | , | |
| Joseph Holland | hollan001jos | 1907 | 6/2, 6/9 | New Orleans Pelicans | Southern Association | , | |
| William Hollenbeck | 1907 | 5/8-9/12 | Waterloo Cubs | Iowa League | , | ||
| Charles Hollingsworth | 1907 | 5/5-9/22 | Leavenworth Convicts | Western Association | , | ||
| Wallace Hollingsworth | hollin001wal | 1907 | 5/9-9/20 | Wilkes-Barre Barons | New York State League | , | |
| George Hollis | 1907 | Medicine Hat Hatters | Western Canada League | , | |||
| Hollister | 1907 | 5/2- | Clarksburg Bees | Western Pennsylvania League | , | ||
| Hobby Hollister | 1907 | 5/2-9/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Ed Holly | holly-002edw | 1907 | 150 g. | St. Louis | National League | St. Louis, MO | |
| Clarence Holmes | holmes001cla | 1907 | Univ. of Kansas | College | , | ||
| Ducky Holmes | holmes003jam | 1907 | 4/22-9/1 | Lincoln Treeplanters | Western League | , | |
| Ducky Holmes | holmes001how | 1907 | 4/27-9/15 | Canton Chinamen | Central League | , | |
| Ed Holmes | 1907 | 5/2-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Jim Holmes | holmes002jam | 1907 | 4/8-9/4 | Augusta Tourists | South Atlantic League | , | |
| Theodore Holmquist | 1907 | Ludington MI | Independent | , | |||
| Theodore Holmquist | 1907 | 9/11-9/15 | Grand Rapids Wolverines | Central League | , | ||
| Chester Holstrom | 1907 | +5/21+ | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Chester Holstrom | 1907 | +6/15+ | Minne-All Stars | Independent | , | ||
| Chester Holstrom | 1907 | +6/22+ | Chambers | Minne-Com | , | ||
| Chester Holstrom | 1907 | 7/8-9/15 | Keokuk Indians | Iowa League | , | ||
| Earl Holt | holt--001ear | 1907 | 5/2-9/21 | Lynchburg Shoemakers | Virginia League | , | |
| Harvey Holt | 1907 | 5/20-5/27 | Anderson Electricians | South Carolina League | , | ||
| Al Holycross | 1907 | 6/25-7/15 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Pearl Holycross | holycr001pea | 1907 | 5/14-6/21 | South Bend Greens | Central League | , | |
| Pearl Holycross | holycr001pea | 1907 | 6/9-7/15 | Shelbyville Queen Citys | Eastern Illinois League | , | |
| Pearl Holycross | holycr001pea | 1907 | +8/2-8/16+ | South Bend Greens | Central League | , | |
| Hooker | hooker009--- | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Buck Hooker | hooker001wil | 1907 | 4/18-9/21 | Lynchburg Shoemakers | Virginia League | , | |
| John Hooker | 1907 | 5/9-9/21 | Eau Claire Tigers | Wisconsin State League | , | ||
| Kirby Hoon | hoon--001kir | 1907 | 42 g. | Butte Miners | Northwestern League | , | |
| Edwin Hooper | 1907 | 9/12- | Baltimore Orioles | Eastern League | , | ||
| Harry Hooper | hooper001har | 1907 | 41 g. | Oakland Commuters | California State League | , | |
| William Hoopes | hoopes000wil | 1907 | 5/1-5/9 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| William Hoopes | hoopes000wil | 1907 | +5/25-6/4+ | New London Whalers | Connecticut State League | , | |
| Regis Hoops | 1907 | Augu-Cherokees | Independent | , | |||
| Regis Hoops | 1907 | 5/20-5/25 | Spartanburg Spartans | South Carolina League | , | ||
| Clifford Hoover | hoover001cli | 1907 | 5/7-5/25 | Chester/Tamaqua | Atlantic League | , | |
| Clifford Hoover | hoover001cli | 1907 | 81 g. | Bradford Drillers | Interstate League | , | |
| Frederick Hoover | 1907 | 5/7-5/25 | Chester/Tamaqua | Atlantic League | , | ||
| Frederick Hoover | 1907 | 87 g. | Bradford Drillers | Interstate League | , | ||
| Sam Hope | hope--001sam | 1907 | 5/5-9/4 | Newark | Atlantic League | , | |
| Sam Hope | hope--001sam | 1907 | 8/5 | Philadelphia | American League | Philadelphia, PA | |
| W. Hope | 1907 | 5/12,6/19 | Newark | Atlantic League | , | ||
| Bill Hopke | hopke-001wil | 1907 | 4/17-9/15 | Indianapolis Indians | American Association | , | |
| Hopkins | 1907 | 13 g. | Erie Sailors | Interstate League | , | ||
| Buck Hopkins | hopkin004joh | 1907 | 4/11-7/9 | Vicksburg Hill Billies | Cotton States League | , | |
| Buck Hopkins | hopkin004joh | 1907 | 7/22-9/24 | St. Louis | National League | St. Louis, MO | |
| Sis? Hopkins | 1907 | 8/18-8/28 | Battle Creek Crickets | Southern Michigan League | , | ||
| W. Hopkins | 1907 | Calgary Bronchos | Western Canada League | , | |||
| W. Hopkins | 1907 | Medicine Hat Hatters | Western Canada League | , | |||
| Tony Horath | horath001ant | 1907 | 5/7-8/8 | Ottumwa Packers | Iowa League | , | |
| William Horn | horn--002wil | 1907 | Lake Charles Creoles | Gulf Coast League | , | ||
| Clyde Horne | horne-001cly | 1907 | Canton IL | Independent | , | ||
| Edward Hornsby | 1907 | 35 g. | Waco Navigators | Texas League | , | ||
| William Horrell | 1907 | Salina KS | Independent | , | |||
| William Horrell | 1907 | Abilene KS | Independent | , | |||
| Karl Horten | 1907 | 9/11 | Johnstown Johnnies | Tri-State League | , | ||
| Harry Horton | horton002har | 1907 | 5/2-7/7 | Hutchinson Salt Packers | Western Association | , | |
| Harry Horton | horton002har | 1907 | +7/14+ | Chillicothe MO | Independent | , | |
| Walter Horton | 1907 | preseason | Trenton Tigers | Tri-State League | , | ||
| Walter Horton | 1907 | Roeblings | , | ||||
| George Hoss | 1907 | Topeka-Taylor’s | Independent | , | |||
| George Hoss | 1907 | Topeka White Sox | Western Association | , | |||
| George Hoss | 1907 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |||
| John Hottum | hottum001joh | 1907 | Bay City | Southern Michigan League | , | ||
| William Houghton | hought001wil | 1907 | 6/14-7/10 | Norfolk Tars | Virginia League | , | |
| Houk | 1907 | no g. | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| John House | house-001joh | 1907 | 129 g. | Burlington Pathfinders | Iowa League | , | |
| Lee House | 1907 | 5/24-5/31 | Seneca Falls | Empire State League | , | ||
| Lee House | 1907 | 6/11 | Lyons | Empire State League | , | ||
| Householder | 1907 | 5/30 | Green Bay Orphans | Wisconsin State League | , | ||
| Ed Householder | househ001edw | 1907 | 127 g. | Aberdeen Black Cats | Northwestern League | , | |
| Houser | 1907 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |||
| Ben Houser | houser001ben | 1907 | 4/24-9/14 | Altoona Mountaineers | Tri-State League | , | |
| Benjamin Houser | houser001ben | 1907 | 115 g. | Altoona Mountaineers | Tri-State League | , | |
| I. Houser | 1907 | 6/17-6/26 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| I. Houser | 1907 | 6/17-6/26 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| William Houser | houser001wil | 1907 | 5/1- | 34 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , |
| William Houser | houser001wil | 1907 | 19 g. | South Bend Greens | Central League | , | |
| William Houser | houser001wil | 1907 | 5/1-6/21 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| William Houser | houser001wil | 1907 | 1 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Houser | houser001wil | 1907 | +7/21-8/5 | South Bend Greens | Central League | , | |
| David Houston | 1907 | 1 g. | Portland Beavers | Pacific Coast League | , | ||
| Robert Houston | housto001rob | 1907 | 5/16-9/4 | Macon Brigands | South Atlantic League | , | |
| Robert Houston | housto001rob | 1907 | Princeton College | , | |||
| Asher Houstron | 1907 | Spokane Indians | Northwestern League | , | |||
| Lefty Houtz | houtz-001fre | 1907 | 4/10-9/5 | Montgomery Senators | Southern Association | , | |
| Joe Hovlik | hovlik001jos | 1907 | Calmar IA | Independent | , | ||
| Howard | 1907 | 6/21 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Howard | 1907 | Nazareth | Blue Mountain League | , | |||
| Howard | 1907 | 8/26 | Easton | Atlantic League | , | ||
| Benjamin Howard | howard003ben | 1907 | , | ||||
| Del Howard | howard001geo | 1907 | 50 g. | Boston | National League | Boston, MA | |
| Del Howard | howard001geo | 1907 | 51 g. | Chicago | National League | Chicago, IL | |
| Dutch Howard | 1907 | 12 g. | Bangor White Sox | Maine State League | , | ||
| Ernie Howard | howard002ern | 1907 | 4/8-9/3 | Savannah Indians | South Atlantic League | , | |
| Harry Howard | 1907 | 5/5- | 25 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Ivan Howard | howard001ivo | 1907 | 5/1-9/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Paul Howard | howard001pau | 1907 | 8/8-8/15 | Lowell Tigers | New England League | , | |
| Richard Howard | 1907 | Dorchester MA | Independent | , | |||
| Richard Howard | 1907 | 7/17 | Fall River Indians | New England League | , | ||
| Robert Howard | howard005rob | 1907 | 4/18-5/22 | Danville Red Sox | Virginia League | , | |
| Robert Howard | howard005rob | 1907 | 7/4 | Richmond Colts | Virginia League | , | |
| Howe | 1907 | 6/28-6/29 | Butler White Sox | Western Pennsylvania League | , | ||
| William Howe | 1907 | 4/28-5/12 | Evansville River Rats | Central League | , | ||
| Howell | 1907 | Vancouver Canucks | Northwestern League | , | |||
| Chauncey Howell | howell002cha | 1907 | St. Paul Saints | American Association | , | ||
| Chauncey Howell | howell002cha | 1907 | 6/29-9/1 | Seattle Siwashes | Northwestern League | , | |
| Harry Howlett | 1907 | 5/21-7/17 | Tecumseh | Southern Michigan League | , | ||
| Harry Howlett | 1907 | 8/9-8/14 | Bay City | Southern Michigan League | , | ||
| Harry Howlett | 1907 | +9/2+ | Richmond MI | Independent | , | ||
| Daniel Howley | howley001dan | 1907 | 4/27-9/15 | Indianapolis Indians | American Association | , | |
| Arthur Hubbard | hubbar001a-- | 1907 | 106 g. | Lafayette Browns | Gulf Coast League | , | |
| Charles Huber | 1907 | 5/27-7/6 | Anderson Electricians | South Carolina League | , | ||
| Charles Huber | 1907 | 7/9-7/23 | Spartanburg Spartans | South Carolina League | , | ||
| Charles Huber | 1907 | New Haven Blues | Connecticut State League | , | |||
| J. Huber | 1907 | 4/8-4/17 | Savannah Indians | South Atlantic League | , | ||
| J. Huber | 1907 | 5/6-5/16 | Columbia Gamecocks | South Atlantic League | , | ||
| J. Huber | 1907 | +8/8-8/9+ | Terre Haute Hottentots | Central League | , | ||
| Leo Huber | huber-001leo | 1907 | 4/11-9/18 | Columbus Discoverers | Cotton States League | , | |
| Thomas Huddleston | huddle001tho | 1907 | 6 g. | Greenville Hunters | North Texas League | , | |
| Frank Huelsman | huelsm001fra | 1907 | 4/17-9/16 | Kansas City Blues | American Association | , | |
| E. T. Huff | 1907 | +5/4+ | 11 g. | Fort Worth Panthers | Texas League | , | |
| E. T. Huff | 1907 | 44 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| E. T. Huff | 1907 | +7/29+ | Mineral Wells TX | Independent | , | ||
| George Huff | huff--002geo | 1907 | -5/2 | 8 g. | Boston | American League | Boston, MA |
| Nimrod Huff | 1907 | 9/4-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Fritz Huffman | 1907 | 8/13-8/21 | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Fritz Huffman | 1907 | 9/7-9/15 | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Tobe Huffman | hauffm001--- | 1907 | Cripple Creek CO | Independent | , | ||
| Freddie Huffnagle | 1907 | 5/1-7/23 | Butler White Sox | Western Pennsylvania League | , | ||
| Hughes | 1907 | Chic.-LoganSquares | Chicago City League | , | |||
| Hughes | 1907 | 7/8-7/12 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Hughes | 1907 | 7/19-9/8 | Allentown | Atlantic League | , | ||
| Hughes | 1907 | 8/1-8/2 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Ed Hughes | hughes004edw | 1907 | 7/31-8/29 | Little Rock Travelers | Southern Association | , | |
| George Hughes | hughes003geo | 1907 | 5/1-9/15 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| James Hughes | hughes004jam | 1907 | 5/7-9/15 | Jacksonville Lunatics | Iowa League | , | |
| John Hughes | hughes001joh | 1907 | 102 g. | Bridgeport Orators | Connecticut State League | , | |
| John Hughes | hughes001joh | 1907 | Pen Argyl | Blue Mountain League | , | ||
| John Hughes | 1907-15 | Louisville/Milw | American Association | , | |||
| Tom Hughes | hughes005tho | 1907 | 4 g. | New York | American League | New York, NY | |
| Tom Hughes | hughes005tho | 1907 | 4/27-9/14 | Montreal Royals | Eastern League | , | |
| William Hughes | hughes001wil | 1907 | 5/16-5/21 | Buffalo Bisons | Eastern League | , | |
| William Hughes | hughes001wil | 1907 | 5/30-6/17 | Geneva | Empire State League | , | |
| William Hughes | hughes001wil | 1907 | g. ? | Wilkes-Barre Barons | New York State League | , | |
| William Hughes | hughes001wil | 1907 | 26 g. | Franklin Millionaires | Interstate League | , | |
| Berne Hughey | 1907 | 5/14-9/22 | Lansing Senators | Southern Michigan League | , | ||
| Billy Hulen | hulen-001bil | 1907 | 87 g. | Medicine Hat Hatters | Western Canada League | , | |
| Thomas Huling | huling001tho | 1907 | 5/2-5/14 | Clarksburg Bees | Western Pennsylvania League | , | |
| Rudy Hulswitt | hulswi001rud | 1907 | 4/17-9/15 | Columbus Senators | American Association | , | |
| F. C. Hults | 1907 | 4/25- | 4 g. | Evansville River Rats | Central League | , | |
| William Humes | 1907 | Pakota IL | Independent | , | |||
| William Humes | 1907 | +5/2-7/8+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| William Humes | 1907 | 7/17-8/28 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| John Hummel | hummel001joh | 1907 | 107 g. | Brooklyn | National League | Brooklyn, NY | |
| Harley Humphreys | 1907 | 5/1-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Bert Humphries | humphr002alb | 1907 | 5/2-9/13 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| E. Humphries | 1907 | 50 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| W. Humphries | 1907 | preseason | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| W. Humphries | 1907 | 5/3-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| Carl Hunt | hunt--001car | 1907 | 5/2- | 16 g. | Springfield Midgets | Western Association | , |
| Harry Hunt | hunt--001har | 1907 | 32 g, | Fort Worth Panthers | Texas League | , | |
| Louis Hunt | hunt--001lou | 1907 | Portland Beavers | Pacific Coast League | , | ||
| Lucas Hunt | 1907 | Portland IN | Independent | , | |||
| Quintus Hunt | 1907 | 5/12-9/23 | Taylorville Tailors | Eastern Illinois League | , | ||
| Hunter | 1907 | 5/16-6/21 | Lansing Senators | Southern Michigan League | , | ||
| Hunter | 1907 | Stroudsburg | Blue Mountain League | , | |||
| Hunter | 1907 | 7/12-7/14 | Troy Trojans | New York State League | , | ||
| Frederick Hunter | hunter002fre | 1907 | 4/25-7/13 | Baltimore Orioles | Eastern League | , | |
| Frederick Hunter | hunter002fre | 1907 | 35 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Frederick Hunter | hunter002fre | 1907 | 8/25- | Baltimore Orioles | Eastern League | , | |
| George Hunter | hunter002geo | 1907 | 5/13-9/18 | Wilkes-Barre Barons | New York State League | , | |
| Ralph Hunter | 1907 | 5/5 | Canton Chinamen | Central League | , | ||
| Dan Hupp | hupp--002dan | 1907 | 5/7-6/8 | Waterloo Cubs | Iowa League | , | |
| Dan Hupp | hupp--002dan | 1907 | 5/10-7/15 | Sioux City Packers | Western League | , | |
| Dan Hupp | hupp--002dan | 1907 | 7/16-8/4 | Pueblo Indians | Western League | , | |
| Dan Hupp | hupp--002dan | 1907 | 8/15-8/16 | Des Moines Champs | Western League | , | |
| Ed Hurlburt | hurlbu001edw | 1907 | 4/10-9/14 | Memphis Egyptians | Southern Association | , | |
| George Hurlburt | hurlbu001geo | 1907 | 5/2-8/20 | Topeka White Sox | Western Association | , | |
| George Hurlburt | 1907 | 5/4 | Wheeling Stogies | Central League | , | ||
| George Hurlburt | 1907 | 30 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Hurley | 1907 | 5/24-6/1 | Seneca Falls | Empire State League | , | ||
| Hurley | 1907 | Bangor White Sox | Maine State League | , | |||
| Hurley | 1907 | Manchester | Maine State League | , | |||
| Hurley | 1907 | Pine Tree | Maine State League | , | |||
| Bill Hurley | hurley003wil | 1907 | 108 g. | Tacoma Tigers | Northwestern League | , | |
| Bill Hurley | hurley003wil | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Jerry Hurley | hurley001jer | 1907 | 4/15 | Brooklyn | National League | Brooklyn, NY | |
| Jerry Hurley | hurley001jer | 1907 | 4/27-9/22 | Toronto Maple Leafs | Eastern League | , | |
| Rabbitt Hurley | 1907 | 5/11-5/13 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Harry Huston | huston001har | 1907 | -9/14 | 93 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , |
| Jack Huston | huston001jac | 1907 | Philadelphia | National League | Philadelphia, PA | ||
| Jack Huston | huston001jac | 1907 | St. Louis | National League | St. Louis, MO | ||
| Edward Hutchcroft | hutchc001ed- | 1907 | 66 g. | Lafayette Browns | Gulf Coast League | , | |
| Edward Hutchcroft | hutchc001ed- | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | ||
| C. P. Hutchins | 1907 | Univ. Wisconsin | College | , | |||
| Frank Hutchinson | hutchi001fra | 1907 | 5/7-5/26 | Quincy Gems | Iowa League | , | |
| Fred Hutchinson | hutchi001fre | 1907 | 5/2-9/12+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Hutton | 1907 | 5/9-5/13 | Jacksonville Lunatics | Iowa League | , | ||
| James Hutton | 1907 | 6/13-9/1 | Eau Claire Tigers | Wisconsin State League | , | ||
| Bobby Hyatt | 1907 | 7/2-7/8 | Joplin Miners | Western Association | , | ||
| Bobby Hyatt | 1907 | 7/18-8/4 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Ham Hyatt | hyatt-002rob | 1907 | 115 g. | Vancouver Canucks | Northwestern League | , | |
| William Hycoop | hycoop000wil | 1907 | 7/6- | Kalamazoo White Sox | Southern Michigan League | , | |
| Robert Hydon | 1907 | 8/18 | Aurora NY | Independent | , | ||
| Robert Hydon | 1907 | 8/20 | Auburn | Empire State League | , | ||
| Ned Ilger | ilger-001ned | 1907 | , | ||||
| illigan | 1907 | 8/11 | Connellsville Cokers | Western Pennsylvania League | , | ||
| William Ingerton | 1907 | 5/9-9/22 | Albany Senators | New York State League | , | ||
| Happy Iott | iott--001fre | 1907 | +5/3+ | Holyoke Papermakers | Connecticut State League | , | |
| Happy Iott | iott--001fre | 1907 | 68 g. | Bangor White Sox | Maine State League | , | |
| Charles Irby | irby--001cha | 1907 | 143 g. | Butte Miners | Northwestern League | , | |
| Howard Ireland | 1907 | 5/9-9/22 | Freeport Pretzels | Wisconsin State League | , | ||
| Glenn Irish | 1907 | 5/16-5/24 | Jackson Convicts | Southern Michigan League | , | ||
| Hal Irish | 1907 | 42 g. | Lewiston | Maine State League | , | ||
| Hal Irish | 1907 | 3 g. | Portland Blue Sox | Maine State League | , | ||
| Paul Irmscher | irmsch001pau | 1907 | 5/12-9/26 | Mattoon Giants | Eastern Illinois League | , | |
| Arthur Irwin | irwin-001art | 1907 | 4/24-7/3 | Altoona Mountaineers | Tri-State League | , | |
| Charlie Irwin | irwin-001cha | 1907 | San Francisco Seals | Pacific Coast League | , | ||
| John Irwin | irwin-001joh | 1907 | Bowdoin College | College | , | ||
| Thomas D.? Irwin | 1907 | 8/20-9/8 | Allentown | Atlantic League | , | ||
| William Irwin | 1907 | 7/12-7/27 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Isaacs | 1907 | 7/7-8/28 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| William Isaacs | 1907 | 7/24-8/4 | Seattle Siwashes | Northwestern League | , | ||
| William Isaacs | 1907 | +9/1+ | Medford OR | Independent | , | ||
| Isbell | 1907 | 5/2+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Harry Isbell | 1907 | 8/15 | Seattle Siwashes | Northwestern League | , | ||
| Harry Isbell | 1907 | 6/22- | Vict.-Superiors | Puget Sound League | , | ||
| John Isbell | isbell001war | 1907 | 5/14 | Altoona Mountaineers | Tri-State League | , | |
| John Isbell | isbell001war | 1907 | 6/6 | Johnstown Johnnies | Tri-State League | , | |
| James Ison | 1907 | +5/4-5/25+ | Gulfport Crabs | Cotton States League | , | ||
| James Ison | 1907 | 6/29-9/18 | Jackson Senators | Cotton States League | , | ||
| Albert Ittig | ittig-001alb | 1907 | , | ||||
| Henry Iverson | iverso001hen | 1907 | +9/29+ | Sacramento Cordovas | California State League | , | |
| Ives | ives--001geo | 1907 | 5/9-9/22 | Freeport Pretzels | Wisconsin State League | , | |
| Fred Jacklitsch | jackli001fre | 1907 | 73 g. | Philadelphia | National League | Philadelphia, PA | |
| Jackson | 1907 | 5/3-5/22 | Scottdale Giants | Western Pennsylvania League | , | ||
| Jackson | 1907 | 7/4-7/6 | Newark | Atlantic League | , | ||
| Jackson | 1907 | 6/22-7/16 | Geneva | Empire State League | , | ||
| Buck Jackson | 1907 | 5/3-8/31 | Fairmont Champions | Western Pennsylvania League | , | ||
| Charles Jackson | jackso005cha | 1907 | 5/12-9/13 | Pueblo Indians | Western League | , | |
| Ed Jackson | 1907 | Pen Argyl | Blue Mountain League | , | |||
| George Jackson | 1907 | 44 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Herbert Jackson | jackso001cha | 1907 | 5/1- | 6 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Herbert Jackson | jackso001cha | 1907 | 7/22-9/12 | Wilmington Peaches | Tri-State League | , | |
| James Jackson | jackso005jam | 1907 | 4/18-9/21 | Norfolk Tars | Virginia League | , | |
| Jim Jackson | jackso002jam | 1907 | 4/17-4/21 | Columbus Senators | American Association | , | |
| Jim Jackson | jackso002jam | 1907 | 6/28-9/15 | Columbus Senators | American Association | , | |
| Owen Jackson | jackso001owe | 1907 | 5/1-9/13 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Jackson | jackso008wil | 1907 | 89 g. | Waco Navigators | Texas League | , | |
| William Jackson | jackso008wil | 1907 | Dallas Giants | Texas League | , | ||
| Mike Jacob | jacobs001mor | 1907 | 5/2-7/26+ | Umpire | Western Association | , | |
| Jacobs | 1907 | 6/23-6/26 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Michael Jacobs | 1907 | Hudson River League | , | ||||
| Michael Jacobs | 1907 | 7/8- | 17 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Beany Jacobson | jacobs001alb | 1907 | 7 g. | St. Louis | American League | St. Louis, MO | |
| Beany Jacobson | jacobs001alb | 1907 | -6/24 | 2 g. | Boston | American League | Boston, MA |
| Beany Jacobson | jacobs001alb | 1907 | 7/27-8/17 | Toronto Maple Leafs | Eastern League | , | |
| Elmer Jacobson | 1907 | 5/1-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Jack Jacoby | 1907 | +7/20+ | Cape May NJ | Independent | , | ||
| Jacob Jacoby | jacoby001jac | 1907 | Franklin Millionaires | Interstate League | , | ||
| Jacob Jacoby | jacoby001jac | 1907 | 6/13-8/10 | Elizabeth | Atlantic League | , | |
| Jacob Jacoby | jacoby001jac | 1907 | 8/24-9/2 | Reading | Atlantic League | , | |
| Dick Jacquot | 1907 | 5/3-6/28 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Charlie Jaeger | jaeger001cha | 1907 | 5/6-9/13 | Evansville River Rats | Central League | , | |
| Jahn | 1907 | 7/16 | Madison Senators | Wisconsin State League | , | ||
| James | 1907 | 8/23 | Pottsville | Atlantic League | , | ||
| H. H. James | 1907 | Pueblo Indians | Western League | , | |||
| Richard James | james-002ric | 1907 | 5/2-6/13 | Baltimore Orioles | Eastern League | , | |
| Richard James | james-002ric | 1907 | 6/17-9/14 | Memphis Egyptians | Southern Association | , | |
| Robert James | james-002rob | 1907 | 138 g. | Spokane Indians | Northwestern League | , | |
| William James | james-032--- | 1907 | no g. | Altoona Mountaineers | Tri-State League | , | |
| William James | james-032--- | 1907 | 5/1-9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | |
| F. O. Jamieson | 1907 | 5/7-9/15 | Quincy Gems | Iowa League | , | ||
| Frank Jansa | jansa-001fra | 1907 | 43 g. | Calgary Bronchos | Western Canada League | , | |
| Henry Jansing | jansin001hen | 1907 | , | ||||
| Ferd Jarrott | jarrot001fer | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | |
| Thomas Jarrott | jarrot001tho | 1907 | Oil City-Jamestown Oseejays | Interstate League | , | ||
| Jack Jarvis | jarvis005wil | 1907 | 35 g. | Temple Boll Weevils | Texas League | , | |
| Jasper | 1907 | 6/4-8/4 | Taylorville Tailors | Eastern Illinois League | , | ||
| Jasper | 1907 | +8/16+ | Waterloo Cubs | Iowa League | , | ||
| A. G. Jeffries | jeffri001a-- | 1907 | 5/2-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| A. G. Jeffries | jeffri001a-- | 1907 | 6/3-6/13+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Ed Jeffries | jeffri001e-- | 1907 | +7/13+ | Marietta | Independent | , | |
| Jim Jeffries | jeffri001j-- | 1907 | 123 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| J. E. Jegglin | jeggli001j-- | 1907 | 5/3-5/11+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| J. E. Jegglin | jeggli001j-- | 1907 | 5/20-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| J. E. Jegglin | jeggli001j-- | 1907 | Boonville | Independent | , | ||
| Jenkins | 1907 | 1 g. | Springfield Babes | Central League | , | ||
| A. C. Jenkins | 1907 | 1 g. | Oakland Oaks | Pacific Coast League | , | ||
| Daniel Jenkins | 1907 | 6/20-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| J. Jenkins | 1907 | 11 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Joe Jenkins | 1907 | 5/12-5/27 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Joe Jenkins | 1907 | 9/2-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| William Jenkins | 1907 | 22 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| William Jenkins | 1907 | 7/8- | 17 g. | Galveston Sand Crabs | Texas League | , | |
| Frank Jennings | 1907 | +6/4+ | West Manchester | New Hampshire State League | , | ||
| Hughie Jennings | jennin001hug | 1907 | Detroit | American League | Detroit, MI | ||
| Jensen | 1907 | 5/4-6/11 | Brooklyn | Atlantic League | , | ||
| Louis Jensen | 1907 | 8/6-9/12 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Si Jensen | jensen001erv | 1907 | 51 g. | Spokane Indians | Northwestern League | , | |
| Joe Jerger | jerger001jos | 1907 | 4/27-7/31 | Fall River Indians | New England League | , | |
| Joe Jerger | jerger001jos | 1907 | 3 g. | Wheeling Stogies | Central League | , | |
| Carl Jessup | jessup001car | 1907 | -9/13 | 35 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , |
| Jewell | 1907 | 8/22-8/28 | Geneva | Empire State League | , | ||
| Benjamin Jewell | jewell001ben | 1907 | 94 g. | Oil City-Jamestown Oseejays | Interstate League | , | |
| Benjamin Jewell | jewell001ben | 1907 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Harold Johns | johns-001har | 1907 | 5/1-9/23 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Jack Johns | 1907 | Gettysburg Col. | College | , | |||
| Jack Johns | 1907 | 7/4-9/2 | Pottsville | Atlantic League | , | ||
| Ollie Johns | johns-001oli | 1907 | 4/28-9/8+ | Dayton Veterans | Central League | , | |
| Johnson | 1907 | 5/4-5/11+ | Joplin Miners | Western Association | , | ||
| Johnson | 1907 | 5/20-6/22 | Spartanburg Spartans | South Carolina League | , | ||
| Johnson | 1907 | 8/2-9/15 | Quincy Gems | Iowa League | , | ||
| Johnson | 1907 | 5/7-5/16 | Burlington Pathfinders | Iowa League | , | ||
| Johnson | 1907 | 5/19-5/22 | Marshalltown Snappers | Iowa League | , | ||
| Johnson | 1907 | 9/8 | Marshalltown Snappers | Iowa League | , | ||
| Johnson | 1907 | 2 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Johnson | 1907 | 1 g. | Greenville Hunters | North Texas League | , | ||
| Johnson | 1907 | 8/19-8/21 | Geneva | Empire State League | , | ||
| Johnson | 1907 | 9/2 | Seneca Falls | Empire State League | , | ||
| Abbie Johnson | johnso002abb | 1907 | 4/26-6/1 | Haverhill Hustlers | New England League | , | |
| Arthur Johnson | 1907 | 4/26-7/6 | Worcester Busters | New England League | , | ||
| Arthur Johnson | 1907 | Portsmouth Truckers | Virginia League | , | |||
| Carlos Johnson | 1907 | 5/2-9/22 | Hutchinson Salt Packers | Western Association | , | ||
| Charlie Johnson | johnso005cha | 1907 | no g. | Chester/Tamaqua | Atlantic League | , | |
| Charlie Johnson | johnso005cha | 1907 | Atlantic City NJ | Independent | , | ||
| Charlie Johnson | johnso005cha | 1907 | 7/30-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Eke Johnson | johnso216--- | 1907 | 31 g. | Biddeford | Maine State League | , | |
| Elmer Johnson | 1907 | 4/27-7/4+ | South Bend Greens | Central League | , | ||
| Floyd Johnson | 1907 | Tope- | Amateur | , | |||
| Floyd Johnson | 1907 | +7/31-8/27 | Hutchinson Salt Packers | Western Association | , | ||
| Floyd Johnson | 1907 | 8/30 | Topeka White Sox | Western Association | , | ||
| Floyd Johnson | 1907 | Bat E, 130 Art | 1908-09 | , | |||
| Frank Johnson | 1907 | 8/28-9/7 | Denver Grizzlies | Western League | , | ||
| Jack Johnson | 1907 | 7/17-9/2 | Pottsville | Atlantic League | , | ||
| James Johnson | 1907 | Chic.-Artesians | Chicago City League | , | |||
| James Johnson | 1907 | 7/6-7/15 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| James Johnson | 1907 | 8/22-9/22 | Oshkosh Indians | Wisconsin State League | , | ||
| John Johnson | johnso001ral | 1907 | , | ||||
| John Johnson | 1907 | 7/31-9/7+ | Canton Chinamen | Central League | , | ||
| Otis Johnson | johnso001oti | 1907 | 4/8-8/3 | Charleston Sea Gulls | South Atlantic League | , | |
| Otis Johnson | johnso001oti | 1907 | 41 g. | Portland Beavers | Pacific Coast League | , | |
| R. Johnson | 1907 | 8/29-9/14 | Wilmington Peaches | Tri-State League | , | ||
| Walter Johnson | 1907 | Weiser | Idaho State League | , | |||
| Wilbur Johnson | 1907 | 5/1-5/22 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Wilbur Johnson | 1907 | 7/21-7/29 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| William Johnstone | 1907 | 5/12-9/26 | Mattoon Giants | Eastern Illinois League | , | ||
| Edward Jokerst | 1907 | 5/7 | Marshalltown Snappers | Iowa League | , | ||
| Edward Jokerst | 1907 | 5/12-6/18 | Centralia White Stockings/Paris Colts | Eastern Illinois League | , | ||
| Edward Jokerst | 1907 | 6/23-7/26 | Pana Coal Miners | Eastern Illinois League | , | ||
| Edward Jokerst | 1907 | 7/28-9/26 | Mattoon Giants | Eastern Illinois League | , | ||
| Joseph Jokerst | 1907 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |||
| Sam Jolly | 1907 | 4/11- | Meridian Ribboners | Cotton States League | , | ||
| Jones | 1907 | 6/10-6/15 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Jones | 1907 | 6/17-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Jones | 1907 | 7/12 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Jones | 1907 | 6 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Jones | 1907 | 35 g. | Greenville Hunters | North Texas League | , | ||
| Jones | 1907 | 12 g. | Terrell Red Stockings | North Texas League | , | ||
| A. S. Jones | 1907 | 4/15-4/25 | Jackson Senators | Cotton States League | , | ||
| A. S. Jones | 1907 | 5/7 | Vicksburg Hill Billies | Cotton States League | , | ||
| Alex Jones | jones-002ale | 1907 | +7/4+ | 17 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , |
| Alex Jones | jones-002ale | 1907 | +8/17+ | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Billy Jones | 1907 | 53 g. | Bangor White Sox | Maine State League | , | ||
| Billy Jones | 1907 | 16 g. | Waterville | Maine State League | , | ||
| Charlie Jones | jones-005cha | 1907 | 121 g. | Washington | American League | Washington, DC | |
| Cowboy Jones | jones-003alb | 1907 | CO School Mines | College | , | ||
| Cowboy Jones | jones-003alb | 1907 | 5/5-9/18 | Topeka White Sox | Western Association | , | |
| Davy Jones | jones-005dav | 1907 | Detroit | American League | Detroit, MI | ||
| Dummy Jones | 1907 | 8/27-9/8 | Pottsville | Atlantic League | , | ||
| Elijah Jones | jones-001eli | 1907 | 4/13- | 4 g. | Detroit | American League | Detroit, MI |
| Elijah Jones | jones-001eli | 1907 | 6/10-8/12 | Johnstown Johnnies | Tri-State League | , | |
| Jim Jones | jones-022jam | 1907 | 4/25-9/22 | Newark Sailors | Eastern League | , | |
| John Jones | jones-002joh | 1907 | 4/19-9/4 | Lincoln Treeplanters | Western League | , | |
| Preston Jones | 1907 | Brown Univ. | College | , | |||
| Preston Jones | 1907 | Tarboro | ENoCar | , | |||
| Ross Jones | jones-003ros | 1907 | 5/9-9/5 | La Crosse Badgers | Wisconsin State League | , | |
| Tom Jones | 1907 | 5/9-6/27 | Eau Claire Tigers | Wisconsin State League | , | ||
| Tom Jones | 1907 | 7/1-7/16 | Madison Senators | Wisconsin State League | , | ||
| William Jones | jones-021wil | 1907 | 5/8-6/1 | Webb City Goldbugs | Western Association | , | |
| William Jones | jones-021wil | 1907 | 6/3-7/3+ | Columbus Discoverers | Cotton States League | , | |
| Harry Jope | jope--001hen | 1907 | 100 g. | New Haven Blues | Connecticut State League | , | |
| Jordan | 1907 | 7/9-7/24 | Pueblo Indians | Western League | , | ||
| Charlie Jordan | jordan003cha | 1907 | 30 g. | Norfolk Tars | Virginia League | , | |
| Clarence? Jordan | 1907 | 7/2+ | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Dutch Jordan | jordan001ado | 1907 | 127 g. | Atlanta Crackers | Southern Association | , | |
| Tim Jordan | jordan002tim | 1907 | 147 g. | Brooklyn | National League | Brooklyn, NY | |
| Frank Joy | 1907 | 49 g. | San Francisco Seals | Pacific Coast League | , | ||
| Michael Joyce | joyce-002mic | 1907 | 4/24-8/26 | Montreal Royals | Eastern League | , | |
| Frank Jude | jude--001fra | 1907 | 4/17-7/30 | Columbus Senators | American Association | , | |
| Frank Jude | jude--001fra | 1907 | 8/2-8/10 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Frank Jude | jude--001fra | 1907 | 8/11-9/15 | Columbus Senators | American Association | , | |
| Charles Justice | 1907 | 5/9-6/29 | Keokuk Indians | Iowa League | , | ||
| Edward Justice | justic001edw | 1907 | Hartford Senators | Connecticut State League | , | ||
| Walt Justis | justis001wal | 1907 | 5/2-9/24 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Justus | 1907 | 5/10 | Quincy Gems | Iowa League | , | ||
| Justus | 1907 | 6/7-6/11 | Spartanburg Spartans | South Carolina League | , | ||
| Frank Justus | 1907 | 5/23-9/26 | Taylorville Tailors | Eastern Illinois League | , | ||
| Gustav Jutzi | jutzi-001joh | 1907 | 89 g. | Oil City-Jamestown Oseejays | Interstate League | , | |
| Bob Kahl | kahl--001rob | 1907 | 4/25-5/4 | Evansville River Rats | Central League | , | |
| Bob Kahl | kahl--001rob | 1907 | 6/14-9/15 | Evansville River Rats | Central League | , | |
| Nick Kahl | kahl--001nic | 1907 | preseason | Topeka White Sox | Western Association | , | |
| Nick Kahl | kahl--001nic | 1907 | 5/8-5/17 | Akron Champs | Ohio-Pennsylvania League | , | |
| Mike Kahoe | kahoe-001mic | 1907 | 5 g. | Chicago | National League | Chicago, IL | |
| Mike Kahoe | kahoe-001mic | 1907 | 17 g. | Washington | American League | Washington, DC | |
| Rick Kahrs | 1907 | South Carolina League | , | ||||
| Rick Kahrs | 1907 | Gastonia NC | Independent | , | |||
| Nicholas Kaiser | kaiser001nic | 1907 | 15 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| Will Kaiser | 1907 | 49 g. | Houghton Giants | Northern-Copper Country League | , | ||
| Will Kaiser | 1907 | Calumet Aristocrats | Northern-Copper Country League | , | |||
| Will Kaiser | 1907 | Houghton Giants | Northern-Copper Country League | , | |||
| George Kalkhoff | kalkho002geo | 1907 | 4/8-9/3 | Savannah Indians | South Atlantic League | , | |
| Kammerer | 1907 | 20 g. | Cohen’s Cutters | Clevland City League | , | ||
| Kammerer | 1907 | 5/19-5/28 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Kane | 1907 | 6/12 | Reading | Atlantic League | , | ||
| Kane | 1907 | +5/22+ | Umpire | American Association | , | ||
| Kane | 1907 | 9/21 | Rochester Bronchos | Eastern League | , | ||
| Ambrose Kane | kane--001amb | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Harry Kane | kane--001har | 1907 | , | ||||
| Jerry Kane | kane--001jer | 1907 | 126 g. | Galveston Sand Crabs | Texas League | , | |
| Jerry Kane | kane--001jer | 1907 | 14 g. | Portland Beavers | Pacific Coast League | , | |
| Jerry Kane | kane--001jer | 1907 | San Francisco Seals | Pacific Coast League | , | ||
| Jerry Kane | 1907 | 6/21-7/26 | Mattoon Giants | Eastern Illinois League | , | ||
| Jerry Kane | 1907 | 7/29-9/19 | Pana Coal Miners | Eastern Illinois League | , | ||
| Jim Kane | kane--003jam | 1907 | Norwich Reds | Connecticut State League | , | ||
| Jim Kane | kane--003jam | 1907 | 9/12-9/22 | Utica Pent-Ups | New York State League | , | |
| John Kane | kane--002joh | 1907 | 4/11- | 79 g. | Cincinnati | National League | Cincinnati, OH |
| John Kane | kane--004fra | 1907 | 5/5-7/15 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| John Kane | 1907 | 8/12-9/7 | New Bedford Whalers | New England League | , | ||
| Patrick Kane | kane--002pat | 1907 | Newburgh Hillies | Hudson River League | , | ||
| Stephen Kane | 1907 | 4/17-9/15 | Umpire | American Association | , | ||
| Jay Kanzler | kanzle001jay | 1907 | 4/8-9/4 | Columbia Gamecocks | South Atlantic League | , | |
| Elias Kaphan | kaphan001eli | 1907 | 5/7-7/20 | Waterloo Cubs | Iowa League | , | |
| Elias Kaphan | kaphan001eli | 1907 | 7/21-9/15 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Ed Karger | karger001edw | 1907 | 39 g. | St. Louis | National League | St. Louis, MO | |
| William/Mike? Karline | 1907 | 5/29-5/30 | Lyons | Empire State League | , | ||
| Charles Karnell | karnel001cha | 1907 | 5/16 | Oshkosh Indians | Wisconsin State League | , | |
| Charles Karnell | karnel001cha | 1907 | 5/18-6/13 | Green Bay Orphans | Wisconsin State League | , | |
| Charles Karnell | karnel001cha | 1907 | 6/16-6/30 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Charles Karnell | karnel001cha | 1907 | 7/3-9/3 | Green Bay Orphans | Wisconsin State League | , | |
| Richard Kaufman | 1907 | Univ. Kansas | College | , | |||
| Richard Kaufman | 1907 | 5/9-9/6+ | Springfield Midgets | Western Association | , | ||
| William Kavanaugh | kavana001wil | 1907 | 5/10- | 45 g. | Lynn Shoemakers | New England League | , |
| William Kavanaugh | kavana001wil | 1907 | New Bedford Whalers | New England League | , | ||
| William Kavanaugh | kavana001wil | 1907 | -9/7 | Lowell Tigers | New England League | , | |
| Bill Kay | kay---001wal | 1907 | Portsmouth | , | |||
| Bill Kay | kay---001wal | 1907 | 8/12-10/5 | Washington | American League | Washington, DC | |
| John Keady | keady-001j-- | 1907 | 4/26-9/7 | Haverhill Hustlers | New England League | , | |
| J. W. Kean | 1907 | 4/11-6/26 | Jackson Senators | Cotton States League | , | ||
| J. W. Kean | 1907 | 6/?-8/5+ | Gulfport Crabs | Cotton States League | , | ||
| Keane | 1907 | 7/23+ | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| William Keane | 1907 | +7/17-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Frank Keaney | 1907 | 45 g. | Lewiston | Maine State League | , | ||
| Kearney | 1907 | Holy Cross Col. | College | , | |||
| Kearney | 1907 | 5/25-6/21 | Auburn | Empire State League | , | ||
| Kearney | 1907 | 6/24-6/29 | Lyons | Empire State League | , | ||
| Daniel Kearney | 1907 | 5/5-5/6 | Terre Haute Hottentots | Central League | , | ||
| Daniel Kearney | 1907 | 8/21-8/23 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| George Kearney | 1907 | 6/8-9/22 | Lansing Senators | Southern Michigan League | , | ||
| Bobby Keefe | keefe-001rob | 1907 | 4/15- | 19 g. | New York | American League | New York, NY |
| Bobby Keefe | keefe-001rob | 1907 | 7/8-9/20 | Montreal Royals | Eastern League | , | |
| John Keefe | 1907 | 6/18-9/1 | Umpire | Pennsylvania-Ohio-Maryland League | , | ||
| Thomas Keeler | keeler002--- | 1907 | 5/2 | Evansville River Rats | Central League | , | |
| Thomas Keeler | keeler002--- | 1907 | +6/16+ | Boonville IN | Independent | , | |
| Burt Keeley | keeley001bur | 1907 | Chic.- | Semi-professional | , | ||
| Joe Keenan | keenan001jos | 1907 | 92 g. | Springfield Ponies | Connecticut State League | , | |
| Joe Keenan | keenan001jos | 1907 | New Haven Blues | Connecticut State League | , | ||
| Roy Keener | 1907 | 5/10-9/8+ | South Bend Greens | Central League | , | ||
| John Kehoe | kehoe-001joh | 1907 | 4/26-9/7 | New Bedford Whalers | New England League | , | |
| Edward Keiber | 1907 | 6/25-9/3 | Savannah Indians | South Atlantic League | , | ||
| Keiflein | 1907 | +7/4+ | Springfield Midgets | Western Association | , | ||
| Bill Keister | keiste001wil | 1907 | 4/25-9/9 | Jersey City Skeeters | Eastern League | , | |
| Charles Keith | 1907 | U. of Arkansas | College | , | |||
| Charles Keith | 1907 | 6/13-9/11 | Little Rock Travelers | Southern Association | , | ||
| Charles Kelcher | 1907 | Kane Mountaineers | Interstate League | , | |||
| Charles Kelcher | 1907 | +7/22+ | Bridgeton NJ | Independent | , | ||
| Hugh Kellackey | kellac001hug | 1907 | 4/20-7/13 | Seattle Siwashes | Northwestern League | , | |
| Hugh Kellackey | kellac001hug | 1907 | 7/- | Tacoma Tigers | Northwestern League | , | |
| Harry Keller | keller004har | 1907 | 5/1-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Harry Keller | keller004har | 1907 | +9/21-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Orlando Keller | 1907 | 5/1-8/28 | Fairmont Champions | Western Pennsylvania League | , | ||
| Kelley | 1907 | 8/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Kelley | 1907 | 6/21 | Lyons | Empire State League | , | ||
| A. M. Kelley | 1907 | 5/2-9/22 | Wichita Jobbers | Western Association | , | ||
| Bill Kelley | kelley006wil | 1907 | 134 g. | Wichita Jobbers | Western Association | , | |
| Carl Kelley | 1907 | 5/22-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Edward Kelley | kelley002e-- | 1907 | 5/7-9/8 | Easton | Atlantic League | , | |
| Edward Kelley | kelley002e-- | 1907 | 7/19 | Allentown | Atlantic League | , | |
| Joe Kelley | kelley002jos | 1907 | 4/24-9/15 | Toronto Maple Leafs | Eastern League | , | |
| M. Kelley | 1907 | 6/6-9/8 | Newark | Atlantic League | , | ||
| Matthew Kelley | kelley001mat | 1907 | +5/9-5/10+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Mike Kelley | kelley002mic | 1907 | 6/21-9/15 | Des Moines Champs | Western League | , | |
| Turk? Kelley | 1907 | 5/25-7/25 | Auburn | Empire State League | , | ||
| Turk? Kelley | 1907 | 35 g. | Mount Clemens Bathers | Southern Michigan League | , | ||
| Al Kellogg | kellog001alb | 1907 | no g. | Newark Sailors | Eastern League | , | |
| Al Kellogg | kellog001alb | 1907 | +4/26-5/9+ | Bridgeport Orators | Connecticut State League | , | |
| Bill Kellogg | kellog001wil | 1907 | Dallas Giants | Texas League | , | ||
| Win Kellum | kellum001win | 1907 | 4/17-8/31 | Indianapolis Indians | American Association | , | |
| Kelly | 1907 | +5/21+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Kelly | 1907 | 7/4-8/6 | Brooklyn | Atlantic League | , | ||
| Kelly | 1907 | 6/2 | Pottsville | Atlantic League | , | ||
| Kelly | 1907 | 7/2 | Allentown | Atlantic League | , | ||
| Kelly | 1907 | 7/20-7/22 | Portsmouth Truckers | Virginia League | , | ||
| Kelly | 1907 | 9/8 | Keokuk Indians | Iowa League | , | ||
| Kelly | 1907 | 8/26-9/6 | Auburn | Empire State League | , | ||
| Billy Kelly | kelly-006wil | 1907 | 4/27-9/15 | Springfield Babes | Central League | , | |
| Frank Kelly | 1907 | 9/5-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| George Kelly | kelly-005geo | 1907 | , | ||||
| James Kelly | kelly-002jam | 1907 | 7/26-9/8 | Easton | Atlantic League | , | |
| James Kelly | kelly-002jam | 1907 | 9/12-9/24 | Rochester Bronchos | Eastern League | , | |
| James Kelly | 1907 | 7/27-8/27 | Mount Clemens Bathers | Southern Michigan League | , | ||
| James Kelly | 1907 | 8/29-9/21 | Flint Vehicles | Southern Michigan League | , | ||
| John Kelly | kelly-003joh | 1907 | 4/11-6/18 | St. Louis | National League | St. Louis, MO | |
| John Kelly | kelly-003joh | 1907 | 7/8-9/24 | Baltimore Orioles | Eastern League | , | |
| John Kelly | 1907 | 8/11-8/20 | Mattoon Giants | Eastern Illinois League | , | ||
| Speed Kelly | kelly-002rob | 1907 | Goshen IN | Independent | , | ||
| Speed Kelly | kelly-002rob | 1907 | 8/3-9/11+ | South Bend Greens | Central League | , | |
| Thomas Kelly | kelly-001tho | 1907 | 4/20-5/4 | Vancouver Canucks | Northwestern League | , | |
| Thomas Kelly | kelly-001tho | 1907 | Skagway Alaska | Independent | , | ||
| Thomas Kelly | 1907 | 4/25-9/24 | Umpire | Eastern League | , | ||
| W. F. Kelly | 1907 | 7/26-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| William Kelly | kelly-006wil | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| William Kelly | kelly-006wil | 1907 | 4/27-6/22+ | Canton Chinamen | Central League | , | |
| William Kelly | kelly-006wil | 1907 | 6/27-9/15 | Grand Rapids Wolverines | Central League | , | |
| Billy Kelsey | kelsey002geo | 1907 | 5/2-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Billy Kelsey | kelsey002geo | 1907 | 10/4-10/6 | Pittsburgh | National League | Pittsburgh, PA | |
| Kelsh | 1907 | 5/17 | Syracuse Stars | New York State League | , | ||
| Kemler | 1907 | +6/15+ | Columbus Discoverers | Cotton States League | , | ||
| Bill Kemmer | kemmer001wil | 1907 | 121 g. | Mobile Sea Gulls | Cotton States League | , | |
| Bill Kemmer | kemmer001wil | 1907 | 8/9-8/11 | New Orleans Pelicans | Southern Association | , | |
| Kemp | 1907 | 5/20-6/24 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Kemp | 1907 | 6/26-7/13 | Anderson Electricians | South Carolina League | , | ||
| Kenah | 1907 | 5/8-5/30 | Brooklyn | Atlantic League | , | ||
| Albert Kench | 1907 | 5/14-6/25 | Lansing Senators | Southern Michigan League | , | ||
| J. Moore Kendrick | 1907 | +4/20+ | Mercer Univ | College | , | ||
| J. Moore Kendrick | 1907 | 6/20-9/2 | Augusta Tourists | South Atlantic League | , | ||
| Ed Keniston | kenist000ed- | 1907 | +7/5-7/17+ | Lowell Tigers | New England League | , | |
| Ed Kenna | kenna-004edw | 1907 | 4/24-6/26 | Louisville Colonels | American Association | , | |
| Kennedy | kenned010--- | 1907 | 127 g. | Burlington Pathfinders | Iowa League | , | |
| Kennedy | kenned010--- | 1907 | 37 g. | Portland Beavers | Pacific Coast League | , | |
| Kennedy | 1907 | 57 g. | Greenville Hunters | North Texas League | , | ||
| Albert Kennedy | kenned002alb | 1907 | 65 g. | Marshalltown Snappers | Iowa League | , | |
| Brickyard Kennedy | kenned005wil | 1907 | 5/12-7//4+ | Dayton Veterans | Central League | , | |
| Brickyard Kennedy | kenned005wil | 1907 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| James Kennedy | kenned006jam | 1907 | 5/9-9/22 | Utica Pent-Ups | New York State League | , | |
| John Kennedy | kenned009joh | 1907 | 6/4-8/6 | Lyons | Empire State League | , | |
| John Kennedy | kenned009joh | 1907 | 8/9-8/29 | Auburn | Empire State League | , | |
| John Kennedy | kenned001jac | 1907 | 4/20-5/18 | Louisville Colonels | American Association | , | |
| John Kennedy | kenned001jac | 1907 | 5/30-7/6 | Akron Champs | Ohio-Pennsylvania League | , | |
| John Kennedy | kenned001jac | 1907 | 7/12-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Robert Kennedy | kenned004rob | 1907 | 5/9-5/22 | Albany Senators | New York State League | , | |
| Robert Kennedy | kenned004rob | 1907 | 6/12-9/8 | Brooklyn | Atlantic League | , | |
| Sam Kennedy | kenned001sam | 1907 | New London Whalers | Connecticut State League | , | ||
| Sam Kennedy | kenned001sam | 1907 | New Haven Blues | Connecticut State League | , | ||
| Kenney | 1907 | 4/29-5/10 | Portsmouth Truckers | Virginia League | , | ||
| Edward Kenniston | 1907 | 4/29-8/29 | Lowell Tigers | New England League | , | ||
| Harry Kenniston | 1907 | 2 g. | Augusta | Maine State League | , | ||
| William Kennoy | kennoy001wil | 1907 | +5/18+ | 5 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| William Kennoy | kennoy001wil | 1907 | Pitt.-Shaner | Independent | , | ||
| Taylor Kensel | kensel001tay | 1907 | 5/7-8/13 | Oskaloosa Quakers | Iowa League | , | |
| Maurice Kent | 1907 | 6/15-9/15 | Marshalltown Snappers | Iowa League | , | ||
| William Kenworthy | 1907 | 5/2-5/21 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| William Kenworthy | 1907 | 24 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Kenyon | 1907 | +5/7+ | Drake Univ. | College | , | ||
| Kenyon | 1907 | 8/27-8/29 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Jake Kenzler | 1907 | 6/21-6/23 | Taylorville Tailors | Eastern Illinois League | , | ||
| John Kerin | kerin-001joh | 1907 | 4/17-9/15 | Umpire | American Association | , | |
| Henry Kern | 1907 | 132 g. | Dallas Giants | Texas League | , | ||
| John Kernan | 1907 | 5/9-9/22 | Green Bay Orphans | Wisconsin State League | , | ||
| Kerr | 1907 | 5/12 | Oshkosh Indians | Wisconsin State League | , | ||
| Kerr | 1907 | +6/8-9/26+ | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Aaron F. Kerr | kerr--001aar | 1907 | 5/1-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | |
| John Kerr | 1907 | Balt. Medical Col | College | , | |||
| John Kerr | 1907 | 5/31-6/6 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| John Kerr | 1907 | +6/22+ | Baltimore Stars | Independent | , | ||
| John Kerr | 1907 | 7/23-8/1 | Baltimore Orioles | Eastern League | , | ||
| John Kerr | 1907 | 8/3-9/22 | Utica Pent-Ups | New York State League | , | ||
| Dan Kerwin | kerwin001dan | 1907 | 4/17-4/21 | Louisville Colonels | American Association | , | |
| Dan Kerwin | kerwin001dan | 1907 | 4/22-9/16 | Kansas City Blues | American Association | , | |
| Kessler | 1907 | 5/26 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Fred Ketchum | ketchu001fre | 1907 | 4/17-9/15 | Lincoln Treeplanters | Western League | , | |
| Louis Ketchum | ketchu001lou | 1907 | 99 g. | Alexandria White Sox | Gulf Coast League | , | |
| Louis Ketchum | ketchu001lou | 1907 | Lake Charles Creoles | Gulf Coast League | , | ||
| Philip Ketter | ketter001phi | 1907 | 5/12-9/29 | Taylorville Tailors | Eastern Illinois League | , | |
| James Kettler | 1907 | Massillon OH | Independent | , | |||
| Henry Keupper | 1907 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |||
| Charles Keyes | 1907 | 5/11 | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Charles Keyes | 1907 | 5/22-9/15 | Quincy Gems | Iowa League | , | ||
| Edward Keys | 1907 | Paterson Intruders | Hudson River League | , | |||
| Edward Keys | 1907 | 5/26-6/22 | Wilmington Peaches | Tri-State League | , | ||
| Edward Keys | 1907 | 7/23-9/8 | Easton | Atlantic League | , | ||
| Frank Keys | 1907 | Clarksburg Bees | Western Pennsylvania League | , | |||
| Daniel Kick | 1907 | 5/14-5/31 | Flint Vehicles | Southern Michigan League | , | ||
| Daniel Kick | 1907 | +7/30+ | Hillsdale MI | Independent | , | ||
| Theibert Kidd | 1907 | Louisiana Tech U. | College | , | |||
| Theibert Kidd | 1907 | Homer LA | Independent | , | |||
| Theibert Kidd | 1907 | 6 g. | Paris Athletics | North Texas League | , | ||
| Richard Kidney | 1907 | 8/22-9/3 | Auburn | Empire State League | , | ||
| John Kiel | 1907 | 5/17-7/1 | Battle Creek Crickets | Southern Michigan League | , | ||
| John Kiernan | kierna001joh | 1907 | 5/2-8/12 | New Bedford Whalers | New England League | , | |
| John Kiernan | kierna001joh | 1907 | 8/29-9/21 | Portsmouth Truckers | Virginia League | , | |
| George Kihm | kihm--001geo | 1907 | 4/17-9/15 | Columbus Senators | American Association | , | |
| Kilcoyne | 1907 | +5/6-6/27+ | Erie Sailors | Interstate League | , | ||
| Felix Kilduff | 1907 | +4/18+ | KC- | Independent | , | ||
| Felix Kilduff | 1907 | 5/- | Umpire | Western Association | , | ||
| Kiley | 1907 | 8/22-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Duke Kilfedder | 1907 | 8 g. | Biddeford | Maine State League | , | ||
| Duke Kilfedder | 1907 | 16 g. | Pine Tree | Maine State League | , | ||
| John Kilgore | 1907 | +6/3+ | Kala.-Clarks | Independent | , | ||
| John Kilgore | 1907 | +7/5+ | Three Oaks | Independent | , | ||
| John Kilgore | 1907 | 7/30-8/4 | Bay City | Southern Michigan League | , | ||
| Bill Killefer | killef001wil | 1907 | 6/8-7/14 | Jackson Convicts | Southern Michigan League | , | |
| Red Killefer | killef001wad | 1907 | 5/20-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Red Killefer | killef001wad | 1907 | 9/6 | Detroit | American League | Detroit, MI | |
| Frank Killen | killen002fra | 1907 | 4/27-9/16 | Umpire | Central League | , | |
| Ed Killian | killia001edw | 1907 | 46 g. | Detroit | American League | Detroit, MI | |
| John Killian | killia001joh | 1907 | 4/27-6/30 | Providence Grays | Eastern League | , | |
| John Killian | killia001joh | 1907 | 7/13-9/2 | Lynn Shoemakers | New England League | , | |
| Joseph Killian | killia001jos | 1907 | 5/9-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| Edward Killilay | killil001ed- | 1907 | +5/17-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Edward Killilay | killil001ed- | 1907 | +5/17-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Harry Killilay | 1907 | +6/20-8/4 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Harry Killilay | 1907 | 8/6-9/9+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Harry Killilay | 1907 | +6/20-8/4 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Harry Killilay | 1907 | 8/6-9/9+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| John Killilay | killil001joh | 1907 | 32 g. | Butte Miners | Northwestern League | , | |
| John Killilay | killil001joh | 1907 | Spokane Indians | Northwestern League | , | ||
| John Killilay | killil001joh | 1907 | 32 g. | Butte Miners | Northwestern League | , | |
| John Killilay | killil001joh | 1907 | Spokane Indians | Northwestern League | , | ||
| Edward Killingsworth | killin001ed- | 1907 | 7/4-7/18 | Fulton | Empire State League | , | |
| Edward Killingsworth | killin001ed- | 1907 | 7/27-9/16 | Wilkes-Barre Barons | New York State League | , | |
| G. Killough | 1907 | 3 g. | San Antonio Bronchos | Texas League | , | ||
| Kilnet | 1907 | 5/1-5/2 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Charlie Kilpatrick | kilpat001cha | 1907 | 5/7-6/21 | Keokuk Indians | Iowa League | , | |
| Peter Kilroy | kilroy001orv | 1907 | 4/20-9/15 | Minneapolis Millers | American Association | , | |
| Jack Kimball | 1907 | 17 g. | Paris Athletics | North Texas League | , | ||
| King | 1907 | 5/10- | Springfield Midgets | Western Association | , | ||
| King | 1907 | Helena | Montana State League | , | |||
| King | 1907 | 6/27 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| King | 1907 | 7/24 | Scottdale Giants | Western Pennsylvania League | , | ||
| Albert King | 1907 | 5 g. | Olean Refiners | Interstate League | , | ||
| Albert King | 1907 | 8/8-9/11 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Arthur King | 1907 | 8/24 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Bert King | king--001ber | 1907 | 5/7-8/24 | Marshalltown Snappers | Iowa League | , | |
| Bert King | king--001ber | 1907 | 8/27-9/8 | Omaha Rourkes | Western League | , | |
| Frank King | king--004fra | 1907 | 4/8-9/3 | Savannah Indians | South Atlantic League | , | |
| Harry King | 1907 | 9/6-9/15 | Keokuk Indians | Iowa League | , | ||
| Husky King | king--002h-- | 1907 | 4/10-9/14 | Shreveport Pirates | Southern Association | , | |
| Husky King | king--002h-- | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Jimmy King | king--001jim | 1907 | Wallace ID | Independent | , | ||
| Joe King | 1907 | +6/20+ | Indiana PA Normal | College | , | ||
| Joe King | 1907 | +7/16+ | Osceola Mill PA | Independent | , | ||
| John King | 1907 | 26 g. | Lewiston | Maine State League | , | ||
| Peter King | king--001pet | 1907 | 97 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| William King | 1907 | 5/1-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Billy Kinloch | kinloc001bil | 1907 | 4/8-4/9 | Charleston Sea Gulls | South Atlantic League | , | |
| Billy Kinloch | kinloc001bil | 1907 | 6/17-7/3+ | Columbus Discoverers | Cotton States League | , | |
| John Kinnally | 1907 | Chic.- | Semi-professional | , | |||
| John Kinnally | 1907 | 7/2-9/15 | Denver Grizzlies | Western League | , | ||
| Ennis Kinney | 1907 | 30 g. | Opelousas Indians | Gulf Coast League | , | ||
| Ennis Kinney | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Ennis Kinney | 1907 | Lake Charles Creoles | Gulf Coast League | , | |||
| Harry Kinninger | 1907 | 5/14-5/16 | Jackson Convicts | Southern Michigan League | , | ||
| Albert Kinsella | kinsel000ber | 1907 | Springfield | , | |||
| Ed Kinsella | kinsel001edw | 1907 | 46 g. | Portland Beavers | Pacific Coast League | , | |
| Kinsey | 1907 | 6/6-6/15 | Anderson Electricians | South Carolina League | , | ||
| Joseph Kipp | kipp--001jos | 1907 | 5/14-7/10 | Tecumseh | Southern Michigan League | , | |
| Joseph Kipp | kipp--001jos | 1907 | 43 g. | Grand Rapids Wolverines | Central League | , | |
| Ed Kippert | kipper002edw | 1907 | 88 g. | Lethbridge Miners | Western Canada League | , | |
| Judson Kirke | 1907 | 16 g. | Poughkeepsie Colts | Hudson River League | , | ||
| Judson Kirke | 1907 | 6/24-7/17 | Wilmington Peaches | Tri-State League | , | ||
| Enos Kirkpatrick | 1907 | 4/18-6/26 | Richmond Colts | Virginia League | , | ||
| Enos Kirkpatrick | 1907 | Wilson | North Carolina League | , | |||
| Enos Kirkpatrick | 1907 | 7/29-9/21 | Lynchburg Shoemakers | Virginia League | , | ||
| William Kirwan | kirwan001wil | 1907 | 34 g. | Bradford Drillers | Interstate League | , | |
| Rube Kisinger | kising001cha | 1907 | 4/24-9/18 | Buffalo Bisons | Eastern League | , | |
| Gary Kitchens | 1907 | 101 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Gary Kitchens | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| Albert Kite | kite--001alb | 1907 | 5/18-6/22 | Allentown | Atlantic League | , | |
| Albert Kite | kite--001alb | 1907 | 6/23-7/21 | Chester/Tamaqua | Atlantic League | , | |
| Albert Kite | kite--001alb | 1907 | 7/23-9/2 | Allentown | Atlantic League | , | |
| Frank Kitson | kitson001fra | 1907 | 5 g. | Washington | American League | Washington, DC | |
| Frank Kitson | kitson001fra | 1907 | 12 g. | New York | American League | New York, NY | |
| Frank Kitson | kitson001fra | 1907 | 7/28-9/16 | Kansas City Blues | American Association | , | |
| Malachi Kittridge | kittri001mal | 1907 | 4/24-7/15 | Montreal Royals | Eastern League | , | |
| Malachi Kittridge | kittri001mal | 1907 | +8/25-9/15 | Dayton Veterans | Central League | , | |
| Will Klebs | 1907 | 5/9-6/2 | Green Bay Orphans | Wisconsin State League | , | ||
| Will Klebs | 1907 | 6/6 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Will Klebs | 1907 | 6/8-6/25 | Oshkosh Indians | Wisconsin State League | , | ||
| Al Kleet | 1907 | 5/24-9/8 | Pottsville | Atlantic League | , | ||
| William Klinck | klinck001wil | 1907 | 5/25-6/7 | Lyons | Empire State League | , | |
| William Klinck | klinck001wil | 1907 | +9/1+ | Buff.-Travelers | Independent | , | |
| John Kline | kline-001joh | 1907 | 5/8 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| John Kline | kline-001joh | 1907 | 5/23-9/20 | Lynchburg Shoemakers | Virginia League | , | |
| Rudy Kling | kling-001rud | 1907 | 5/1-5/20 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Rudy Kling | kling-001rud | 1907 | 6/6-7/17 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Frank Klinkhammer | klinkh001fra | 1907 | +6/6+ | Spokane Indians | Northwestern League | , | |
| Fred Klobedanz | klobed001fre | 1907 | 4/25-5/20 | New Bedford Whalers | New England League | , | |
| William Klock | klock-001wil | 1907 | 5/24-9/6 | Seneca Falls | Empire State League | , | |
| Gus Klopf | klopf-001gus | 1907 | 5/4-9/26 | Umpire | Northwestern League | , | |
| Otto Knabe | knabe-001fra | 1907 | 129 g. | Philadelphia | National League | Philadelphia, PA | |
| Charles Knapp | 1907 | New London Whalers | Connecticut State League | , | |||
| Levi Knapp | 1907 | Fish’s Eddy NY | Independent | , | |||
| Levi Knapp | 1907 | 5/24-6/13 | Auburn | Empire State League | , | ||
| Levi Knapp | 1907 | 8/10-9/24 | Buffalo Bisons | Eastern League | , | ||
| Jack Knarr | knarr-001--- | 1907 | Evansville River Rats | Central League | , | ||
| Grover Knight | 1907 | 45 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Punch Knoll | knoll-001cha | 1907 | 4/25-9/13 | Evansville River Rats | Central League | , | |
| Hub Knolls | knolls001osc | 1907 | , | ||||
| Joe Knotts | knotts002jos | 1907 | 4/26-8/13 | Worcester Busters | New England League | , | |
| Joe Knotts | knotts002jos | 1907 | 9/18-9/28 | Boston | National League | Boston, MA | |
| Knowles | 1907 | 7/26-8/1 | Madison Senators | Wisconsin State League | , | ||
| W. Graham Knox | 1907 | Lafayette Col. | College | , | |||
| W. Graham Knox | 1907 | 6/21-9/7 | Easton | Atlantic League | , | ||
| Ben Koehler | koehle001ber | 1907 | 4/17-9/16 | St. Paul Saints | American Association | , | |
| Elmer Koestner | koestn001elm | 1907 | 5/5-9/15 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Kohler | 1907 | 6/27-6/28 | Allentown | Atlantic League | , | ||
| Henry Kohler | 1907 | 5/2-6/17+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Eddie Kolb | kolb--001edd | 1907 | 4/26-4/27 | Brockton Tigers | New England League | , | |
| Kommer | 1907 | 8/9-8/15 | Des Moines Champs | Western League | , | ||
| William Kommer | kommer000bil | 1907 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Frederick Kommers | 1907 | 7/14-8/1 | Little Rock Travelers | Southern Association | , | ||
| Ed Konetchy | konetc001edw | 1907 | 5/9-6/27 | La Crosse Badgers | Wisconsin State League | , | |
| Ed Konetchy | konetc001edw | 1907 | 6/29- | 91 g. | St. Louis | National League | St. Louis, MO |
| Percy Koons | 1907 | 5/9-9/21 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Charles Koopman | koopma001cha | 1907 | 4/22-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Fred Kossuch | kossuc001fre | 1907 | Detr.-Burroughs | Independent | , | ||
| Arthur Kourik | 1907 | 5/2-6/2+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| David Kraft | kraft-001dav | 1907 | +6/6-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Edmund Kraft | 1907 | High Bridge | Independent | , | |||
| Kramer | 1907 | 7/20 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Eugene Krapp | 1907 | 5/17-6/3 | Tecumseh | Southern Michigan League | , | ||
| Eugene Krapp | 1907 | 6/8-9/22 | Flint Vehicles | Southern Michigan League | , | ||
| Bernard Kratzberg | 1907 | Navajo Indians | Independent | , | |||
| Bernard Kratzberg | 1907 | +5/16+ | Springfield Midgets | Western Association | , | ||
| Charlie Krause | krause001cha | 1907 | 5/14-5/30 | Battle Creek Crickets | Southern Michigan League | , | |
| Harry Krause | krause004har | 1907 | Phil.-Frankfort | Independent | , | ||
| Harry? Krauss | 1907 | 6/19-6/22 | Chester/Tamaqua | Atlantic League | , | ||
| Harry? Krauss | 1907 | 8/16-9/8 | Reading | Atlantic League | , | ||
| Charles Krebs | 1907 | VMI | College | , | |||
| Charles Krebs | 1907 | 4/26-5/2 | Lynchburg Shoemakers | Virginia League | , | ||
| Ed Krebs | krebs-001edw | 1907 | 5/1-6/9 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Ed Krebs | krebs-001edw | 1907 | 6/16-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| Raymond Krebs | 1907 | 4/11-9/18 | Gulfport Crabs | Cotton States League | , | ||
| Ralph Kreitz | kreitz001ral | 1907 | Colfax WA | Trolley League | , | ||
| Ralph Kreitz | kreitz001ral | 1907 | 11 g. | Seattle Siwashes | Northwestern League | , | |
| Charles Kremer | 1907 | Saginaw | Southern Michigan League | , | |||
| Charles Kremer | 1907 | 6/28-7/6 | Madison Senators | Wisconsin State League | , | ||
| Samuel Krepps | 1907 | McPherson KS | Independent | , | |||
| Samuel Krepps | 1907 | +9/15+ | Webb City Goldbugs | Western Association | , | ||
| Guy Kretzer | 1907 | Altoona KS | Independent | , | |||
| Guy Kretzer | 1907 | Neodesha KS | Independent | , | |||
| Kreuger | 1907 | 40 g. | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Paul Krichell | kriche001pau | 1907 | 30 g. | Newark Sailors | Eastern League | , | |
| Paul Krichell | kriche001pau | 1907 | 4/25-9/20 | Newark Sailors | Eastern League | , | |
| George Krick | krick-001geo | 1907 | 38 g. | Duluth White Sox | Northern-Copper Country League | , | |
| George Krick | krick-001geo | 1907 | 38 g. | Duluth White Sox | Northern-Copper Country League | , | |
| Kries | 1907 | 8/25 | Pottsville | Atlantic League | , | ||
| John Kroell | kroell001joh | 1907 | +6/2+ | Louisville CO | Independent | , | |
| Rube Kroh | kroh--001aug | 1907 | 7 g. | Boston | American League | Boston, MA | |
| Rube Kroh | kroh--001aug | 1907 | 5/18- | Baltimore Orioles | Eastern League | , | |
| Rube Kroh | kroh--001aug | 1907 | 6/1-7/23 | Binghamton Bingoes | New York State League | , | |
| Rube Kroh | kroh--001aug | 1907 | 8/2 | Troy Trojans | New York State League | , | |
| Rube Kroh | kroh--001aug | 1907 | 8/7 | Utica Pent-Ups | New York State League | , | |
| George Kromer | 1907 | 5/14-5/16 | Battle Creek Crickets | Southern Michigan League | , | ||
| Charles Kroy | kroy--001cha | 1907 | 5/9-9/6 | Wausau Lumberjacks | Wisconsin State League | , | |
| Hugo Krueger | kreuge000p-- | 1907 | 25 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Hugo Krueger | kreuge000p-- | 1907 | 7/3 | Akron Champs | Ohio-Pennsylvania League | , | |
| Hugo Krueger | kreuge000p-- | 1907 | +7/12-8/27+ | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Otto Krueger | kruege002art | 1907 | 4/17-9/16 | Kansas City Blues | American Association | , | |
| William Krueger | kruege002wil | 1907 | Manitowoc | Lake Shore League | , | ||
| Henry Krug | krug--001hen | 1907 | 4/17-8/28 | Indianapolis Indians | American Association | , | |
| Abe Kruger | kruger001abr | 1907 | 5/1- | 24 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| Art Kruger | kruger001art | 1907 | 4/11- | 100 g. | Cincinnati | National League | Cincinnati, OH |
| Harry Kubitz | kubitz001har | 1907 | 5/18 | Tecumseh | Southern Michigan League | , | |
| Harry Kubitz | kubitz001har | 1907 | BayC-Indep. | Independent | , | ||
| Louis Kuehn | 1907 | Clev.-Mahon&Roth | Clevland City League | , | |||
| Charlie Kuepper | 1907 | 5/2-5/30 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Albert Kuhn | kuhn--001alb | 1907 | 4/26-5/24 | Terre Haute Hottentots | Central League | , | |
| Albert Kuhn | kuhn--001alb | 1907 | 6/17-9/13+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Kuhtman | 1907 | 7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Arthur Kulms | 1907 | Terre Haute Hottentots | Central League | , | |||
| Arthur Kulms | 1907 | 5/12-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| William Kumm | 1907 | 7/19-8/13 | Eau Claire Tigers | Wisconsin State League | , | ||
| Harry Kunkel | kunkel003har | 1907 | 5/17-6/11 | Little Rock Travelers | Southern Association | , | |
| Harry Kunkel | kunkel003har | 1907 | 74 g. | Columbus Discoverers | Cotton States League | , | |
| Frank Kurke | kurke-001fra | 1907 | 23 g. | Houghton Giants | Northern-Copper Country League | , | |
| Ed Kusel | kusel-001edw | 1907 | 5/1-5/22 | Akron Champs | Ohio-Pennsylvania League | , | |
| Ed Kusel | kusel-001edw | 1907 | 5/30-7/23 | Beaver Falls Beavers | Western Pennsylvania League | , | |
| Ed Kusel | kusel-001edw | 1907 | 8/16 | Canton Chinamen | Central League | , | |
| Henry Kussmaul | kussma000hen | 1907 | 4/30-5/3 | Fall River Indians | New England League | , | |
| Henry Kussmaul | kussma000hen | 1907 | 6/19 | Haverhill Hustlers | New England League | , | |
| Henry Kussmaul | kussma000hen | 1907 | 8/15 | Worcester Busters | New England League | , | |
| Henry Kussmaul | kussma000hen | 1907 | 11 g. | Bangor White Sox | Maine State League | , | |
| Joseph Kustus | kustus001jos | 1907 | 126 g. | Augusta Tourists | South Atlantic League | , | |
| George LaBelle | labell001geo | 1907 | 5/9-6/22 | Green Bay Orphans | Wisconsin State League | , | |
| Hank Labelle | labell001hen | 1907 | 4/26-9/21 | Newark Sailors | Eastern League | , | |
| George LaChance | lachan001geo | 1907 | 125 g. | Waterbury Authors | Connecticut State League | , | |
| Lacy | 1907 | +5/9+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Hi Ladd | ladd--001art | 1907 | Bridgeport Orators | Connecticut State League | , | ||
| James Lafitte | 1907 | 7/22-9/4 | Macon Brigands | South Atlantic League | , | ||
| Arthur Lage | 1907 | Chicago- | Semi-professional | , | |||
| Datus Lagoe | 1907 | 4/25-6/15 | Grand Rapids Wolverines | Central League | , | ||
| Datus Lagoe | 1907 | 6/29-8/13 | Tecumseh | Southern Michigan League | , | ||
| Datus Lagoe | 1907 | 8/19-9/21 | Bay City | Southern Michigan League | , | ||
| Red Laing | laing-000red | 1907 | 5/5-5/24 | Clarksburg Bees | Western Pennsylvania League | , | |
| Red Laing | laing-000red | 1907 | 6/6-6/8 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Red Laing | laing-000red | 1907 | 6/17-7/30 | Connellsville Cokers | Western Pennsylvania League | , | |
| Red Laing | laing-000red | 1907 | 8/2-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Red Laing | laing-000red | 1907 | 8/27 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Bobby Laird | 1907 | 6/17-8/22 | Connellsville Cokers | Western Pennsylvania League | , | ||
| James Laird | laird-001jam | 1907 | +5/6-7/18+ | Gulfport Crabs | Cotton States League | , | |
| Frank Lakaff | lakaff001fra | 1907 | 4/30-5/27 | Little Rock Travelers | Southern Association | , | |
| Frank Lakaff | lakaff001fra | 1907 | 6/4-8/12 | Augusta Tourists | South Atlantic League | , | |
| Frank Lakaff | lakaff001fra | 1907 | 8/23-9/14 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Lake | 1907 | 6/20-6/28 | Newark | Atlantic League | , | ||
| Lake | 1907 | 7/19-8/7 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Fred Lake | lake--001fre | 1907 | 4/10-5/17 | Little Rock Travelers | Southern Association | , | |
| Fred Lake | lake--001fre | 1907 | Boston | American League | Boston, MA | ||
| Joe Lake | lake--002jos | 1907 | 4/25-9/21 | Jersey City Skeeters | Eastern League | , | |
| Lalla | 1907 | 27 g. | Paris Athletics | North Texas League | , | ||
| William Lallier | lallie001wil | 1907 | Niagara Univ. | College | , | ||
| William Lallier | lallie001wil | 1907 | 46 g. | Olean Refiners | Interstate League | , | |
| Lally | 1907 | 5/30-6/1 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Lally | 1907 | 9/3-9/4 | Madison Senators | Wisconsin State League | , | ||
| Dan Lally | lally-001dan | 1907 | 4/18-5/14 | Umpire | Virginia League | , | |
| Dan Lally | lally-001dan | 1907 | +7/2-7/22 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Dan Lally | lally-001dan | 1907 | 7/23-8/3 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Harry Lally | lally-001har | 1907 | 127 g. | Columbia Gamecocks | South Atlantic League | , | |
| Hugh Lally | lally-001hug | 1907 | 5/24-6/21 | Keokuk Indians | Iowa League | , | |
| Lewis LaLonge | kommer000bil | 1907 | 5/1-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Bert Lamb | 1907 | 5/8-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| John Lambrecht | 1907 | 5/6-6/28 | Allentown | Atlantic League | , | ||
| John Lambrecht | 1907 | 90 g. | Pottsville | Atlantic League | , | ||
| Pete Lamer | lamer-001pie | 1907 | 5/8-8/13 | Newark | Atlantic League | , | |
| Pete Lamer | lamer-001pie | 1907 | +7/11+ | Chatham NJ | Independent | , | |
| Pete Lamer | lamer-001pie | 1907 | 8/20 | Cincinnati | National League | Cincinnati, OH | |
| Pete Lamer | lamer-001pie | 1907 | 8/31-9/2 | Newark | Atlantic League | , | |
| Bubbles Lance | 1907 | 5/12-5/26 | Taylorville Tailors | Eastern Illinois League | , | ||
| Bubbles Lance | 1907 | 5/28 | Centralia White Stockings/Paris Colts | Eastern Illinois League | , | ||
| Grover Land | land--001gro | 1907 | 4/19-9/15 | Toledo Mud Hens | American Association | , | |
| Ernest Landgraf | landgr001ern | 1907 | Pottsville | Atlantic League | , | ||
| Albert Landgraff | landgr002alb | 1907 | 5/4-9/8 | Allentown | Atlantic League | , | |
| George Landreth | 1907 | 5/2-6/2 | Topeka White Sox | Western Association | , | ||
| George Landreth | 1907 | Galveston Sand Crabs | Texas League | , | |||
| George Landreth | 1907 | 8/23-9/2 | Topeka White Sox | Western Association | , | ||
| Landrum | 1907 | 5/20-5/25 | Anderson Electricians | South Carolina League | , | ||
| Landrum | 1907 | 8/5-8/8 | Topeka White Sox | Western Association | , | ||
| John Landry | 1907 | 108 g. | Battle Creek Crickets | Southern Michigan League | , | ||
| William Landvoigt | 1907 | 6 g. | Franklin Millionaires | Interstate League | , | ||
| Landy | 1907 | 5/2-5/4 | Macon Brigands | South Atlantic League | , | ||
| Landy | 1907 | 5/20-7/24 | Greenville Mountaineers | South Carolina League | , | ||
| Landy | 1907 | 8/5-8/9 | Sumter Gamecocks | South Carolina League | , | ||
| Ed Lane | lane--001ed- | 1907 | Dothan AL | Independent | , | ||
| James Lane | 1907 | 8/12-8/15 | Pana Coal Miners | Eastern Illinois League | , | ||
| Frank Lanen | 1907 | 6/29 | Lawrence Colts | New England League | , | ||
| Sam Lanford | lanfor001lew | 1907 | Davidson College | College | , | ||
| Sam Lanford | lanfor001lew | 1907 | 5/20-8/9 | Orangeburg Edistoes | South Carolina League | , | |
| Sam Lanford | lanfor001lew | 1907 | 8/19-9/14 | Washington | American League | Washington, DC | |
| Lang | 1907 | 7/11 | Springfield Babes | Central League | , | ||
| Lang | 1907 | 28 g. | Terrell Red Stockings | North Texas League | , | ||
| Lang | 1907 | 7/17-9/22 | Madison Senators | Wisconsin State League | , | ||
| John Lang | 1907 | +6/29+ | Elyria OH | Independent | , | ||
| Langdon | 1907 | +6/13+ | New Haven Blues | Connecticut State League | , | ||
| Nig Langdon | langdo001fra | 1907 | 5/12-9/20 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| Frank Lange | lange-001fra | 1907 | 5/9-9/20 | Wausau Lumberjacks | Wisconsin State League | , | |
| Langley | 1907 | Manchester | Maine State League | , | |||
| John Lanham | lanham001j-- | 1907 | Chattanooga TN | Independent | , | ||
| John Lanham | lanham001j-- | 1907 | 6/24-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Charles Lannigan | 1907 | Umpire | Hudson River League | , | |||
| Charles Lannigan | 1907 | 6/26-9/8 | Umpire | Atlantic League | , | ||
| John Lannon | 1907 | 5/12-6/17 | Freeport Pretzels | Wisconsin State League | , | ||
| John Lannon | 1907 | 6/21-6/22 | Madison Senators | Wisconsin State League | , | ||
| John Lannon | 1907 | 6/25-6/29 | Freeport Pretzels | Wisconsin State League | , | ||
| Frank LaPorte | laport002fra | 1907 | 130 g. | New York | American League | New York, NY | |
| Jack Lapp | lapp--001joh | 1907 | no g. | Portsmouth Truckers | Virginia League | , | |
| Jack Lapp | lapp--001joh | 1907 | 5/7-6/20 | Chester/Tamaqua | Atlantic League | , | |
| Jack Lapp | lapp--001joh | 1907 | 7/1-7/14 | Syracuse Stars | New York State League | , | |
| Jack Lapp | lapp--001joh | 1907 | 8/19-9/8 | Allentown | Atlantic League | , | |
| Lappin | 1907 | 1 g. | Portland Blue Sox | Maine State League | , | ||
| Edward Larkin | larkin001edw | 1907-09 | Lehigh Univ. | College | , | ||
| Edward Larkin | larkin001edw | 1907 | 46 g. | DuBois Miners | Interstate League | , | |
| Edward Larkin | larkin001edw | 1907 | Trenton Tigers | Tri-State League | , | ||
| Jim Larkin | 1907 | +6/22+ | Portsmouth Truckers | Virginia League | , | ||
| Patrick Larkin | larkin001p-- | 1907 | Georgetown U. | College | , | ||
| Patrick Larkin | larkin001p-- | 1907 | 46 g. | DuBois Miners | Interstate League | , | |
| Patrick Larkin | larkin001p-- | 1907 | 8/9-9/14 | Trenton Tigers | Tri-State League | , | |
| Patrick Larkin | larkin001p-- | 1907 | Carlisle Indians | College | , | ||
| Patrick Larkin | larkin001p-- | 1907 | Cornell Univ. | College | , | ||
| Sam LaRocque | larocq001sam | 1907 | 41 g. | San Antonio Bronchos | Texas League | , | |
| Laroy | 1907 | 6/6 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Purl LaRue | 1907 | 5/9-5/11 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Latham | 1907 | 10 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Arlie Latham | latham002wal | 1907 | 5/1-7/26+ | Umpire | Ohio-Pennsylvania League | , | |
| Arlie Latham | latham002wal | 1907 | 8/9-9/12+ | Umpire | Central League | , | |
| Dick Latham | latham001ric | 1907 | 5 g. | Galveston Sand Crabs | Texas League | , | |
| Dick Latham | latham001ric | 1907 | 39 g. | Orange Hoo-Hoos | Gulf Coast League | , | |
| Tacks Latimer | latime001cli | 1907 | 4/18-5/2 | Nashville Volunteers | Southern Association | , | |
| Tacks Latimer | latime001cli | 1907 | 6/5-9/14 | Birmingham Barons | Southern Association | , | |
| Lattimore | 1907 | 7/2-8/9 | Dallas Giants | Texas League | , | ||
| Lattimore | 1907 | +8/1-8/31+ | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Bill Lattimore | lattim001wil | 1907 | 4/26-9/2 | Toledo Mud Hens | American Association | , | |
| Ralph Lattimore | 1907 | 7/8-7/17 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Michael Lattin | 1907 | +8/18+ | Balt.-Crown Cork | Independent | , | ||
| Frank Lauchner | lauchn001fra | 1907 | Chillicothe MO | Independent | , | ||
| Billy Lauder | lauder001wil | 1907 | -9/14 | 34 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| Laudermilk | 1907 | Mississippi College | College | , | |||
| Laughlin | laughl001--- | 1907 | no g. | Cincinnati | National League | Cincinnati, OH | |
| Laughlin | laughl001--- | 1907 | 6/17-9/16 | St. Paul Saints | American Association | , | |
| Laughlin | 1907 | 7/8 | Mount Clemens Bathers | Southern Michigan League | , | ||
| John Laughlin | laughl001joh | 1907 | 6/1-9/2 | Houghton Giants | Northern-Copper Country League | , | |
| John Laughlin | 1907 | +5/3+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Joseph Laughlin | laughl002jos | 1907 | 5/2-6/25+ | Leavenworth Convicts | Western Association | , | |
| Joseph Laughlin | laughl002jos | 1907 | 34 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Joseph Laughlin | laughl002jos | 1907 | +7/15-7/24 | South Bend Greens | Central League | , | |
| Laurel | 1907 | 7/16 | Greenville Mountaineers | South Carolina League | , | ||
| Bill Lauterborn | lauter001wil | 1907 | 4/24-6/5 | Wilmington Peaches | Tri-State League | , | |
| Bill Lauterborn | lauter001wil | 1907 | 6/19-6/25 | St. Paul Saints | American Association | , | |
| Bill Lauterborn | lauter001wil | 1907 | 6/30-9/15 | Denver Grizzlies | Western League | , | |
| Ed Lauzon | lauzon001edw | 1907 | 5/1- | 23 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Ed Lauzon | lauzon001edw | 1907 | 7/27-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| William Laval | laval-001wil | 1907 | Erskine College | College | , | ||
| William Laval | laval-001wil | 1907 | 5/20-7/27 | Greenville Mountaineers | South Carolina League | , | |
| Lavelle | 1907 | 18 g. | Kane Mountaineers | Interstate League | , | ||
| James LaVelle | 1907 | 5/16-6/30 | Jacksonville Lunatics | Iowa League | , | ||
| James LaVelle | 1907 | 7/4-7/15 | Waterbury Authors | Connecticut State League | , | ||
| James LaVelle | 1907 | 9/11-9/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| James Lavender | 1907 | 4/30-9/21 | Danville Red Sox | Virginia League | , | ||
| Arthur LaVigne | 1907 | 6/7-9/7 | Worcester Busters | New England League | , | ||
| Jack Law | law---001joh | 1907 | 4/13-5/8 | Columbus Discoverers | Cotton States League | , | |
| Jack Law | law---001joh | 1907 | 5/11 | Vicksburg Hill Billies | Cotton States League | , | |
| Ed Lawler | lawler001ed- | 1907 | Omaha-Lee-Glass | Independent | , | ||
| Jack Lawler | lawler003joh | 1907 | Oklahoma City Mets | Western Association | , | ||
| Jack Lawler | lawler003joh | 1907 | 5/2-6/2 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Jack Lawler | lawler003joh | 1907 | 6/5-6/28 | Topeka White Sox | Western Association | , | |
| Jack Lawler | lawler003joh | 1907 | 7/1-8/26 | Leavenworth Convicts | Western Association | , | |
| Jack Lawler | lawler003joh | 1907 | 9/6-9/9 | Wichita Jobbers | Western Association | , | |
| Jack Lawlor | lawlor001joh | 1907 | Yonkers | Hudson River League | , | ||
| Andy Lawrence | lawren001and | 1907 | 4/27-6/15 | Portsmouth Truckers | Virginia League | , | |
| Frederick Lawrence | lawren001f-- | 1907 | 6/24-9/22 | Lansing Senators | Southern Michigan League | , | |
| Jim Lawrence | 1907 | 6/17- | 26 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Mike Lawrence | lawren001mic | 1907 | 106 g. | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Mike Lawrence | lawren001mic | 1907 | Youngstown Champs | Ohio-Pennsylvania League | , | ||
| Mike Lawrence | lawren001mic | 1907 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Al Lawson | lawson001al- | 1907 | Atlantic League | , | |||
| Alex. Lawson | 1907 | Butler White Sox | Western Pennsylvania League | , | |||
| Alex. Lawson | 1907 | Connellsville Cokers | Western Pennsylvania League | , | |||
| Bob Lawson | lawson003rob | 1907 | no g. | Trenton Tigers | Tri-State League | , | |
| Frank Layne | layne-001fra | 1907 | +7/7+ | Arkansas City KS | Independent | , | |
| George Leach | 1907 | Bucknell Univ. | College | , | |||
| George Leach | 1907 | no g. | Boston | American League | Boston, MA | ||
| George Leach | 1907 | 7/9 | Providence Grays | Eastern League | , | ||
| George Leach | 1907 | 8/3-8/10 | Albany Senators | New York State League | , | ||
| George Leach | 1907 | 8/24-8/30 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Thomas Leahy | leahy-005tho | 1907 | 5/8-7/16 | Madison Senators | Wisconsin State League | , | |
| Tom Leahy | leahy-002tho | 1907 | 46 g. | Kansas City Blues | American Association | , | |
| Ferg Leamon | 1907 | 5/2-6/28 | Umpire | Oklahoma-Arkansas-Kansas League | , | ||
| William Leard | 1907 | 6/22-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Frank Leary | leary-001fra | 1907 | 4/30-5/5 | Cincinnati | National League | Cincinnati, OH | |
| Frank Leary | leary-001fra | 1907 | 5/17-9/13 | Harrisburg Senators | Tri-State League | , | |
| Austin LeBrand | lebran001aus | 1907 | 5/27-9/15 | Omaha Rourkes | Western League | , | |
| Lecal | 1907 | 8/4 | Elizabeth | Atlantic League | , | ||
| Ledwick/Lud | 1907 | 7/14-7/20 | Pottsville | Atlantic League | , | ||
| Lee | 1907 | 49 g. | Augusta | Maine State League | , | ||
| Lee | 1907 | 7/26-8/11 | Elizabeth | Atlantic League | , | ||
| lee | 1907 | 8/15-8/16 | Eau Claire Tigers | Wisconsin State League | , | ||
| Allen Lee | lee---003all | 1907 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Allen Lee | lee---003all | 1907 | 7/10-9/2 | Reading | Atlantic League | , | |
| Allen Lee | lee---003all | 1907 | 9/5-9/30 | Wilkes-Barre Barons | New York State League | , | |
| Carl Lee | lee---001car | 1907 | Fall River Indians | New England League | , | ||
| George Lee | lee---001geo | 1907 | 5/1- | 17 g. | Lawrence Colts | New England League | , |
| George Lee | lee---001geo | 1907 | -7/16 | Lowell Tigers | New England League | , | |
| George Lee | lee---001geo | 1907 | 7/23-9/7 | Oswego | Empire State League | , | |
| Jack Lee | lee---003joh | 1907 | 4/8-9/2 | Jacksonville Jays | South Atlantic League | , | |
| Wyatt Lee | lee---001wya | 1907 | 4/25-9/14 | Altoona Mountaineers | Tri-State League | , | |
| Leger | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Leggett | 1907 | +7/1+ | 25 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Leggett | 1907 | +7/24-8/+ | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Jack Leggett | 1907 | 6/17 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Leigh Legore | 1907 | 4/28-6/27 | Vancouver Canucks | Northwestern League | , | ||
| Leigh Legore | 1907 | 7/11-7/19 | Tacoma Tigers | Northwestern League | , | ||
| Leibrich | 1907 | 8/24-9/7 | Umpire | Virginia League | , | ||
| George Leidy | leidy-002geo | 1907 | 135 g. | San Antonio Bronchos | Texas League | , | |
| Dale Leifheit | 1907 | 7/13-8/9 | Lansing Senators | Southern Michigan League | , | ||
| Leifield | 1907 | +6/23+ | Detr.-Brewers | Independent | , | ||
| Leifield | 1907 | +9/22+ | Detr.-Munroe Shops | Independent | , | ||
| Lefty Leifield | leifie001alb | 1907 | 40 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Jim Leighton | leight001jam | 1907 | Monroe LA | Independent | , | ||
| James Leighty | leight002jam | 1907 | 103 g. | Duluth White Sox | Northern-Copper Country League | , | |
| Bill Leith | leith-001bil | 1907 | 4/26-9/7 | Lawrence Colts | New England League | , | |
| Leitner | 1907 | Colu.-Mechanics | Independent | , | |||
| Leitner | 1907 | 8/24 | Columbia Gamecocks | South Atlantic League | , | ||
| Sheldon Lejeune | lejeun001she | 1907 | 5/16 | Milwaukee Brewers | American Association | , | |
| Sheldon Lejeune | lejeun001she | 1907 | 5/23-9/15 | Springfield Babes | Central League | , | |
| Bill Lelivelt | lelive001wil | 1907 | 5/5-8/1 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Bill Lelivelt | lelive001wil | 1907 | 8/16-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| John Lelivelt | 1907 | 89 g. | Hartford Senators | Connecticut State League | , | ||
| John Lelivelt | 1907 | 8/19-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Lemon | 1907 | +8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Lee Lemon | lemon-001lee | 1907 | 5/1-9/14 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Patrick Lennon | lennon001pat | 1907 | 4/26-4/29 | Haverhill Hustlers | New England League | , | |
| Ed Lennox | lennox001jam | 1907 | 4/24-9/24 | Rochester Bronchos | Eastern League | , | |
| Leonard | 1907 | 6/25 | Jersey City Skeeters | Eastern League | , | ||
| Leonard | 1907 | 5/22-7/2 | Worcester Busters | New England League | , | ||
| Leonard | 1907 | 7/25-7/26 | Williamsport Millionaires | Tri-State League | , | ||
| Leonard | 1907 | 7/30 | Pottsville | Atlantic League | , | ||
| Leonard | 1907 | 8/2-8/3 | Elizabeth | Atlantic League | , | ||
| Leonard | 1907 | 9/11 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Frank Leonard | leonar001fra | 1907 | 4/26-9/7 | Lynn Shoemakers | New England League | , | |
| J. Leonard | 1907 | Clinton Infants | Illinois-Indiana-Iowa League | , | |||
| Joe Leonard | 1907 | 5/13-5/19 | Albany Senators | New York State League | , | ||
| Joe Leonard | 1907 | 6/15-7/6 | Brooklyn | Atlantic League | , | ||
| Joe Leonard | 1907 | 7/21 | Easton | Atlantic League | , | ||
| Joe Leonard | 1907 | 7/25-9/5 | Newark | Atlantic League | , | ||
| John Leonard | leonar001joh | 1907 | 6/29-7/26 | Anderson Electricians | South Carolina League | , | |
| John Leonard | leonar001joh | 1907 | 8/13-9/2 | Portsmouth Truckers | Virginia League | , | |
| William Leonard | leonar011--- | 1907 | Hartford Senators | Connecticut State League | , | ||
| Leonhardt | 1907 | 5/14 | Flint Vehicles | Southern Michigan League | , | ||
| George Leopold | leopol001geo | 1907 | Ft. Washington WI | Independent | , | ||
| Pete LePine | lepine002lou | 1907 | 121 g. | Holyoke Papermakers | Connecticut State League | , | |
| Lerchen | 1907 | 5/11-5/12 | Oshkosh Indians | Wisconsin State League | , | ||
| Louis LeRoy | leroy-001lou | 1907 | 4/19-9/16 | St. Paul Saints | American Association | , | |
| Harvey Leslie | leslie000har | 1907 | 4/13-4/23 | Jackson Senators | Cotton States League | , | |
| Lester | 1907 | 5/10 | Canton Chinamen | Central League | , | ||
| Tom Letcher | letche001tom | 1907 | 5/9-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Sam Letherby | leathe001--- | 1907 | +5/12+ | Omaha-Storz | Independent | , | |
| Albert Leverich | 1907 | 8/15 | Bay City | Southern Michigan League | , | ||
| Levine | 1907 | +7/17+ | Lawrence Colts | New England League | , | ||
| Walter Levings | 1907 | , | |||||
| Levy | 1907 | 5/4- | Brooklyn | Atlantic League | , | ||
| Harry Levy | 1907 | 5/4-9/8 | Brooklyn | Atlantic League | , | ||
| Ed Lewee | lewee-001edw | 1907 | 4/10-9/14 | Shreveport Pirates | Southern Association | , | |
| Lewis | 1907 | 15 g. | DuBois Miners | Interstate League | , | ||
| Lewis | 1907 | 5/2-5/19+ | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Lewis | 1907 | 6/3 | Dayton Veterans | Central League | , | ||
| Carl Lewis | lewis-001car | 1907 | 5/2-9/22 | Hutchinson Salt Packers | Western Association | , | |
| Dudley Lewis | 1907 | Nash.-Cheek&Neal | Independent | , | |||
| Earl Lewis | lewis-001ear | 1907 | 4/8-6/1 | Savannah Indians | South Atlantic League | , | |
| Earl Lewis | lewis-001ear | 1907 | 6/4-9/3 | Jacksonville Jays | South Atlantic League | , | |
| Gordon Lewis | lewis-001gor | 1907 | 5/6-6/5 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Gordon Lewis | lewis-001gor | 1907 | +7/9-7/17+ | Oshkosh Indians | Wisconsin State League | , | |
| Gordon Lewis | lewis-001gor | 1907 | 53 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| Gordon Lewis | lewis-001gor | 1907 | 9/15 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| James Lewis | 1907 | 6/3 | Dayton Veterans | Central League | , | ||
| Joseph Lewis | 1907 | 5/8-8/5 | Reading | Atlantic League | , | ||
| Joseph Lewis | 1907 | 8/18-9/7 | Allentown | Atlantic League | , | ||
| Phil Lewis | lewis-001phi | 1907 | 136 g. | Brooklyn | National League | Brooklyn, NY | |
| W. L. Lewis | 1907 | 5/24-9/22 | Oshkosh Indians | Wisconsin State League | , | ||
| Philip Lezie | 1907 | +7/24+ | Argyle MN | Independent | , | ||
| Philip Lezie | 1907 | 8/14-9/17 | Green Bay Orphans | Wisconsin State League | , | ||
| Clarence Licht | 1907 | 4/24- | Waco Navigators | Texas League | , | ||
| Clarence Licht | 1907 | 5/21- | Fort Worth Panthers | Texas League | , | ||
| Clarence Licht | 1907 | 31 g. | Greenville Hunters | North Texas League | , | ||
| George Lichtenbach | 1907 | Pitts.-semi pro | Semi-professional | , | |||
| Lichtfield | 1907 | 5/21 | Flint Vehicles | Southern Michigan League | , | ||
| Glenn Liebhardt | liebha002gle | 1907 | 38 g. | Cleveland | American League | Cleveland, OH | |
| Herman? Liepensperger | 1907 | 5/16 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Fred Liese | liese-001fre | 1907 | 6/13-9/21 | Madison Senators | Wisconsin State League | , | |
| William Lillis | lillis001wil | 1907 | 5/16-6/3 | Mount Clemens Bathers | Southern Michigan League | , | |
| Lilly | 1907 | 9/1 | Reading | Atlantic League | , | ||
| James Limric | limric001jam | 1907 | 5/10-8/31 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| James Limric | limric001jam | 1907 | 9/6-9/20 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Vive Lindaman | lindam001viv | 1907 | 34 g. | Boston | National League | Boston, MA | |
| Bob Lindemann | lindem002joh | 1907 | 5/1-7/18 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Ernie Lindemann | lindem001ern | 1907 | 6/28 | Boston | National League | Boston, MA | |
| Albert Linderbeck | linder001alb | 1907 | 5/30- | Decatur IN | Independent | , | |
| Albert Linderbeck | linder001alb | 1907 | 7/11-9/15 | Quincy Gems | Iowa League | , | |
| Albert Linderbeck | linder001alb | 1907 | 68 g. | Quincy Gems | Iowa League | , | |
| Charles Lindsay | 1907 | Beaver Falls Beavers | Western Pennsylvania League | , | |||
| Chris Lindsay | lindsa001chr | 1907 | 4/17-6/29 | Kansas City Blues | American Association | , | |
| Chris Lindsay | lindsa001chr | 1907 | 7/3-9/15 | Indianapolis Indians | American Association | , | |
| Frank Lindsay | 1907 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |||
| Harry Lindsay | lindsa001ira | 1907 | no g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Harry Lindsay | lindsa001ira | 1907 | 4/25-4/27 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Harry Lindsay | lindsa001ira | 1907 | 5/24-9/15 | South Bend Greens | Central League | , | |
| John Lindsay | lindsa002joh | 1907 | 4/25-9/15 | Canton Chinamen | Central League | , | |
| William Lindsay | 1907 | 5/20-8/10 | Sumter Gamecocks | South Carolina League | , | ||
| William Lindsay | 1907 | 8/22-8/31 | Norfolk Tars | Virginia League | , | ||
| William Ling | 1907 | 5/2-5/29 | Leavenworth Convicts | Western Association | , | ||
| William Ling | 1907 | +6/6-6/12+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Frederick Link | 1907 | 5/1-9/24 | Newark Newks | Ohio-Pennsylvania League | , | ||
| Linneborn | 1907 | 5/1-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Perry Lipe | lipe--001per | 1907 | 4/8-9/4 | Macon Brigands | South Atlantic League | , | |
| Louis Lippert | lipper001lou | 1907 | Chic.-Riverviews | Chicago City League | , | ||
| Louis Lippert | lipper001lou | 1907 | 6/27-9/22 | Eau Claire Tigers | Wisconsin State League | , | |
| William List | 1907 | 5/1-9/28 | Umpire | Ohio-Pennsylvania League | , | ||
| Pete Lister | lister001mor | 1907 | 4/13-6/3 | Birmingham Barons | Southern Association | , | |
| Pete Lister | lister001mor | 1907 | 6/4-9/13 | Nashville Volunteers | Southern Association | , | |
| Pete Lister | lister001mor | 1907 | 9/14-10/6 | Cleveland | American League | Cleveland, OH | |
| Louis Litschi | 1907 | 5/20-9/7 | Worcester Busters | New England League | , | ||
| Findley Littlejohn | little001fin | 1907 | 5/12-9/25 | Mattoon Giants | Eastern Illinois League | , | |
| Daniel Littlepage | 1907 | 8 g. | Columbus Discoverers | Cotton States League | , | ||
| Henry Lively | lively001hen | 1907 | +5/4-9/17 | Gulfport Crabs | Cotton States League | , | |
| Lowell Livingston | living002l-- | 1907 | 89 g. | Duluth White Sox | Northern-Copper Country League | , | |
| Paddy Livingston | living001pat | 1907 | 4/17-9/14 | Indianapolis Indians | American Association | , | |
| Abel Lizotte | lizott001abe | 1907 | 5/17 | Wilkes-Barre Barons | New York State League | , | |
| Arthur Lizzette | lizzet001art | 1907 | 5/1-5/13 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Arthur Lizzette | lizzet001art | 1907 | 5/23-5/28 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Arthur Lizzette | lizzet001art | 1907 | 5/30-6/12 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Arthur Lizzette | lizzet001art | 1907 | 6/14-9/14 | Waterloo Cubs | Iowa League | , | |
| Edward Llewellyn | 1907 | 4/25-4/29 | Umpire | Central League | , | ||
| Edward Llewellyn | 1907 | Umpire | Ohio-Pennsylvania League | , | |||
| Lloyd | 1907 | 5/2-5/12 | Scottdale Giants | Western Pennsylvania League | , | ||
| Lloyd | 1907 | 5/28-6/8 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| David LLoyd | lloyd-001dav | 1907 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| David LLoyd | lloyd-001dav | 1907 | 6/16-7/15 | Pottsville | Atlantic League | , | |
| David LLoyd | lloyd-001dav | 1907 | -9/14 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Harry Lloyd | 1907 | Wooster College | College | , | |||
| Harry Lloyd | 1907 | 6/10-7/10 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Harry Lloyd | 1907 | 9/2-9/24 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Horace Loats | loats-001hor | 1907 | 5/10-5/19 | Chester/Tamaqua | Atlantic League | , | |
| Lobel | 1907 | 8/20-8/22 | La Crosse Badgers | Wisconsin State League | , | ||
| Hans Lobert | lobert001joh | 1907 | 148 g. | Cincinnati | National League | Cincinnati, OH | |
| Locke | 1907 | 6/21-7/22 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Frank Locke | locke-001fra | 1907 | 5/1-8/31+ | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Joseph Locke | 1907 | 5/5-9/23 | Newark Newks | Ohio-Pennsylvania League | , | ||
| Frank Lofton | lofton001fra | 1907 | 5/2- | 124 g. | Oklahoma City Mets | Western Association | , |
| Frank Lofton | lofton001fra | 1907 | +6/28-9/6+ | Webb City Goldbugs | Western Association | , | |
| Tom Logan | logan-001tho | 1907 | 4/8-9/3 | Savannah Indians | South Atlantic League | , | |
| Frank Lohr | lohr--001fra | 1907 | 4/9-5/13 | Charleston Sea Gulls | South Atlantic League | , | |
| Frank Lohr | lohr--001fra | 1907 | 5/17-9/4 | Columbia Gamecocks | South Atlantic League | , | |
| Joseph Lohr | 1907 | 4/18-7/15 | Roanoke Tigers | Virginia League | , | ||
| Joseph Lohr | 1907 | 7/22-9/8 | Reading | Atlantic League | , | ||
| Arthur Loker | loker-001--- | 1907 | , | ||||
| Roy Loman | loman-001roy | 1907 | +4/28+ | 11 g. | Galveston Sand Crabs | Texas League | , |
| Roy Loman | loman-001roy | 1907 | Atchinson Ks | Independent | , | ||
| Joseph Londrigan | 1907 | U. Pennsylvania | College | , | |||
| Long | 1907 | 4 g. | Meridian Ribboners | Cotton States League | , | ||
| Charles Long | 1907 | 37 g. | Richmond Colts | Virginia League | , | ||
| Ed Long | 1907 | Franklin Millionaires | Interstate League | , | |||
| Frank Long | long--002fra | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Frank Long | long--002fra | 1907 | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Harry Long | long--003har | 1907 | 4/19-4/26 | Toledo Mud Hens | American Association | , | |
| Harry Long | long--003har | 1907 | 25 g. | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Harry Long | long--003har | 1907 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Harry Long | long--003har | 1907 | 9/9-9/12 | Toledo Mud Hens | American Association | , | |
| James Long | long--001art | 1907 | 4/8-4/16 | Jacksonville Jays | South Atlantic League | , | |
| James Long | long--001art | 1907 | 5/6-5/17 | Macon Brigands | South Atlantic League | , | |
| James Long | long--001art | 1907 | 6/5-6/28 | Columbia Gamecocks | South Atlantic League | , | |
| James Long | long--001art | 1907 | 7/1-7/25 | Greenville Mountaineers | South Carolina League | , | |
| James Long | long--006jam | 1907 | 4/29-5/ | Meridian Ribboners | Cotton States League | , | |
| James Long | long--006jam | 1907 | 10 g. | Waco Navigators | Texas League | , | |
| Red Long | long--001nel | 1907 | 4/24-4/27 | Johnstown Johnnies | Tri-State League | , | |
| Red Long | long--001nel | 1907 | 5/3-6/3 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Red Long | long--001nel | 1907 | 6/13-6/23 | Allentown | Atlantic League | , | |
| Red Long | long--001nel | 1907 | 7/6-8/3 | Newark | Atlantic League | , | |
| Red Long | long--001nel | 1907 | 8/6-8/10 | Johnstown Johnnies | Tri-State League | , | |
| Harry Longley | longle001har | 1907 | 136 g. | Temple Boll Weevils | Texas League | , | |
| Harry Longley | longle001har | 1907 | Austin Senators | Texas League | , | ||
| Sam Longley | 1907 | 6/21-7/22 | Umpire | Central League | , | ||
| Longnecker | 1907 | 4/23-5/2 | Vancouver Canucks | Northwestern League | , | ||
| Longstreet | 1907 | 5/4-9/7 | Elizabeth | Atlantic League | , | ||
| Longstreet | 1907 | Marion Moguls | Ohio-Pennsylvania League | , | |||
| John Loomis | 1907 | 7/17-9/25 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Pete Loos | loos--001iva | 1907 | 4/18-9/21 | Portsmouth Truckers | Virginia League | , | |
| Lord | 1907 | 31 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Bris Lord | lord--001bri | 1907 | Philadelphia | American League | Philadelphia, PA | ||
| Harry Lord | lord--001har | 1907 | 4/25-9/24 | Providence Grays | Eastern League | , | |
| Harry Lord | lord--001har | 1907 | 9/27- | 10 g. | Boston | American League | Boston, MA |
| William Lord | lord--001wil | 1907 | 4/26-5/17 | Indianapolis Indians | American Association | , | |
| William Lord | lord--001wil | 1907 | 31 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Manfred Lothrop | 1907 | 5/25-9/5 | Seneca Falls | Empire State League | , | ||
| Thompson Lothrop | 1907-11 | U. of Michigan | College | , | |||
| Andrew Lotshaw | 1907 | 5/12-9/10 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Sylvester Loucks | loucks001syl | 1907 | 4/10-4/29 | Memphis Egyptians | Southern Association | , | |
| Sylvester Loucks | loucks001syl | 1907 | 5/7-6/5 | Macon Brigands | South Atlantic League | , | |
| Sylvester Loucks | loucks001syl | 1907 | 6/15-8/9 | Danville Red Sox | Virginia League | , | |
| Sylvester Loucks | loucks001syl | 1907 | 8/13-9/21 | Norfolk Tars | Virginia League | , | |
| Art Loudell | loudel001art | 1907 | 5 g. | Dallas Giants | Texas League | , | |
| William Louden | louden001wil | 1907 | 140 g. | Dallas Giants | Texas League | , | |
| William Louden | louden001wil | 1907 | 9/13- | 4 g. | New York | American League | New York, NY |
| Charlie Loudenslager | louden001cha | 1907 | 4/24-8/7 | Rochester Bronchos | Eastern League | , | |
| Lougee | 1907 | 1 g. | Biddeford | Maine State League | , | ||
| James Loughmiller | loughm001--- | 1907 | 5/9 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| James Loughmiller | loughm001--- | 1907 | +6/12+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Jackson Love | love--001jac | 1907 | 5/2-7/30 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Jackson Love | love--001jac | 1907 | 8/4-9/6+ | Oklahoma City Mets | Western Association | , | |
| James Love | love--002jam | 1907 | 4/26-4/27 | Haverhill Hustlers | New England League | , | |
| James Love | love--002jam | 1907 | 5/27-6/3 | Connellsville Cokers | Western Pennsylvania League | , | |
| James Love | love--002jam | 1907 | 6/11-7/22 | Clarksburg Bees | Western Pennsylvania League | , | |
| James Love | love--002jam | 1907 | 7/31 | Butler White Sox | Western Pennsylvania League | , | |
| James Love | love--002jam | 1907 | 8/8-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Clarence Lovell | lovell001cla | 1907 | 4/26-9/7 | Lynn Shoemakers | New England League | , | |
| Bobby Lovely | lovely001rob | 1907 | 5/24-9/7 | Oswego | Empire State League | , | |
| Raymond Lovett | 1907 | 67 g. | Portland Beavers | Pacific Coast League | , | ||
| Thomas Lovett | lovett001tho | 1907 | 32 g. | Bay City | Southern Michigan League | , | |
| Grover Lowdermilk | lowder001gro | 1907 | 5/22 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Grover Lowdermilk | lowder001gro | 1907 | Mattoon Giants | Eastern Illinois League | , | ||
| Lou Lowdermilk | lowder001lou | 1907 | Mattoon Giants | Eastern Illinois League | , | ||
| Lou Lowdermilk | lowder001lou | 1907 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Bobby Lowe | lowe--002rob | 1907 | U. Michigan | College | , | ||
| George Lowell | lowell001geo | 1907 | 4/7-4/28+ | Musk.-Independent | Independent | , | |
| George Lowell | lowell001geo | 1907 | 5/12 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| John Lower | lower-001joh | 1907 | 4/29 | Johnstown Johnnies | Tri-State League | , | |
| John Lower | lower-001joh | 1907 | 5/14-5/29 | Trenton Tigers | Tri-State League | , | |
| John Lower | lower-001joh | 1907 | 6/3-9/2 | Clarksburg Bees | Western Pennsylvania League | , | |
| J. J. Lowman | 1907 | 5/27-6/7 | Umpire | , | |||
| Bill Luby | luby--001wil | 1907 | 78 g. | Springfield Ponies | Connecticut State League | , | |
| James Lucas | lucas-001jam | 1907 | 5/5-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| William Lucas | lucas-005wil | 1907 | President | Northwestern League | , | ||
| Fred Luchia | lucia-001fre | 1907 | 4/26-7/2 | Lowell Tigers | New England League | , | |
| Fred Luchia | lucia-001fre | 1907 | 28 g. | Springfield Ponies | Connecticut State League | , | |
| Fred Luchia | lucia-001fre | 1907 | New Haven Blues | Connecticut State League | , | ||
| Fred Luchia | lucia-001fre | 1907 | Waterbury Authors | Connecticut State League | , | ||
| Luckenbiel | 1907 | 6/27- | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Frederick Luderus | luderu001fre | 1907 | 57 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| Bernard Ludes | 1907 | Salina Bankers | Independent | , | |||
| Bill Ludwig | ludwig002wil | 1907 | 96 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| William Ludwig | 1907 | 4/20-5/17 | Lynchburg Shoemakers | Virginia League | , | ||
| William Ludwig | 1907 | 5/28-8/6 | Orangeburg Edistoes | South Carolina League | , | ||
| Herman Luettke | luettk001her | 1907 | 5/14-9/15 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Luke | 1907 | 5/11 | Oskaloosa Quakers | Iowa League | , | ||
| George? Luke | 1907 | 8/25-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Luker | 1907 | 2 g. | Terrell Red Stockings | North Texas League | , | ||
| Arthur Lundin | lundin001art | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Billy Lush | lush--001wil | 1907-11 | Yale Univ. | College | , | ||
| Charlie Luskey | luskey001cha | 1907 | 5/1-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| William Lussi | 1907 | 93 g. | Edmonton Grays | Western Canada League | , | ||
| William Lussi | 1907 | 9/19 | Spokane Indians | Northwestern League | , | ||
| William Luyster | luyste001wil | 1907 | -8/15 | 42 g. | Hartford Senators | Connecticut State League | , |
| William Luyster | luyste001wil | 1907 | 6/19-9/8 | Elizabeth | Atlantic League | , | |
| Lynch | 1907 | 6/6-7/19 | Lyons | Empire State League | , | ||
| Lynch | 1907 | 25 g. | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Lynch | 1907 | Manchester | Maine State League | , | |||
| Bobby Lynch | lynch-006rob | 1907 | 5/9-9/22 | Eau Claire Tigers | Wisconsin State League | , | |
| Edward Lynch | lynch-004edw | 1907 | 6/4-6/25 | Easton | Atlantic League | , | |
| Edward Lynch | lynch-004edw | 1907 | 7/9-7/23 | Brooklyn | Atlantic League | , | |
| Edward Lynch | lynch-004edw | 1907 | 7/25-9/14 | Wilmington Peaches | Tri-State League | , | |
| Michael Lynch | lynch-002mik | 1907 | 4/25-4/30 | Baltimore Orioles | Eastern League | , | |
| Michael Lynch | lynch-002mik | 1907 | 5/2-9/14 | Wilmington Peaches | Tri-State League | , | |
| Mike Lynch | lynch-003mic | 1907 | 146 g. | Tacoma Tigers | Northwestern League | , | |
| Mike Lynch | lynch-004mic | 1907 | 7 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Mike Lynch | lynch-004mic | 1907 | - 9/25 | 12 g. | New York | National League | New York, NY |
| W. H. Lynch | 1907 | 5/2-6/25+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Charles Lyons | lyons-003cha | 1907 | +7/29-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Peter Lyons | 1907 | 5/1- | 6 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Sullivan Lyons | lyons-001sul | 1907 | Kansas U. Med | College | , | ||
| Theodore Lyons | 1907 | +8/22+ | Ponca City OK | Independent | , | ||
| Blake Lytle | 1907 | +8/3- | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Sheep Lytle | 1907 | +7/4+ | Umpire | Western Association | , | ||
| Shorty Lytle | 1907 | +6/29+ | St.Paul-Gophers | Independent | , | ||
| Charles Maag | maag--001c-- | 1907 | 132 g. | Dallas Giants | Texas League | , | |
| Maber | 1907 | 6/12 | Chester/Tamaqua | Atlantic League | , | ||
| George Mabry | 1907 | 7/27-8/5 | Orangeburg Edistoes | South Carolina League | , | ||
| MacCorry | 1907 | 2 g. | Manchester | Maine State League | , | ||
| Harry Mace | mace--002har | 1907 | 4/8-9/4 | Umpire | South Atlantic League | , | |
| Harry Mace | mace--002har | 1907 | 9/10-9/21 | Umpire | Virginia League | , | |
| Ed MacGamwell | mcgamw002edw | 1907 | 5/30-9/22 | Binghamton Bingoes | New York State League | , | |
| Arthur MacGregor | 1907 | 4/20- | 8 g. | Seattle Siwashes | Northwestern League | , | |
| Arthur MacGregor | 1907 | 7/1-9/15 | Pueblo Indians | Western League | , | ||
| Frank MacHale | mchale001fra | 1907 | Wash. & Jeff. | College | , | ||
| Frank MacHale | mchale001fra | 1907 | 21 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Frank MacHale | mchale001fra | 1907 | -9/14 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Walter Macholz | 1907 | Spokane Indians | Northwestern League | , | |||
| Thomas MacIntyre | 1907 | Hudson Marines | Hudson River League | , | |||
| Mack | 1907 | 6/12-6/13 | Flint Vehicles | Southern Michigan League | , | ||
| Archie Mack | 1907 | KS Weslyan Univ | College | , | |||
| Archie Mack | 1907 | Salina KS | Independent | , | |||
| Jimmie Mack | 1907 | 5/1-5/4 | Scottdale Giants | Western Pennsylvania League | , | ||
| Jimmy Mack | 1907 | Butler White Sox | Western Pennsylvania League | , | |||
| Reddy Mack | mack--001red | 1907 | 5/1-9/2 | Fairmont Champions | Western Pennsylvania League | , | |
| Roy Mack | 1907 | KS Weslyan Univ | College | , | |||
| Roy Mack | 1907 | Salina KS | Independent | , | |||
| William Mack | mack--003wil | 1907 | Syracuse Univ. | College | , | ||
| William Mack | mack--003wil | 1907 | 5/30-9/6 | Seneca Falls | Empire State League | , | |
| MacKenzie | 1907 | Umpire | Cotton States League | , | |||
| Billy Mackey | mackey003wil | 1907 | Umpire | Connecticut State League | , | ||
| Ed Mackey | mackey001a-- | 1907 | 7/22-9/9 | Umpire | Cotton States League | , | |
| John Mackrell | 1907 | Univ. Pittsburgh | College | , | |||
| John Mackrell | 1907 | +6/20+ | Pitt.-Craffton | Independent | , | ||
| John Mackrell | 1907 | 7/? | 1 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Robert MacLatchie | mclatc001rob | 1907 | 5/7-9/2 | Reading | Atlantic League | , | |
| Bunny Madden | madden001tho | 1907 | 5/2-8/21 | Lynn Shoemakers | New England League | , | |
| Tommy Madden | madden003tho | 1907 | 5/7-9/7 | Haverhill Hustlers | New England League | , | |
| Tommy Madden | madden003tho | 1907 | 9/16-9/24 | Jersey City Skeeters | Eastern League | , | |
| Walter Madden | 1907 | 7/26-9/14 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Nick Maddox | maddox001nic | 1907 | 5/12-9/7 | Wheeling Stogies | Central League | , | |
| Nick Maddox | maddox001nic | 1907 | 9/13- | 6 g. | Pittsburgh | National League | Pittsburgh, PA |
| William Maddox | 1907 | 5 g. | Fort Worth Panthers | Texas League | , | ||
| Michael Madigan | 1907 | 4/24-9/24 | Montreal Royals | Eastern League | , | ||
| Albert Maender | 1907 | 34 g. | Monroe Municipals | Gulf Coast League | , | ||
| Magee | 1907 | 5/4-9/8 | Brooklyn | Atlantic League | , | ||
| Magee | 1907 | 7/7 | Elizabeth | Atlantic League | , | ||
| Bill Magee | magee-001wil | 1907 | 5/25-6/4 | Haverhill Hustlers | New England League | , | |
| James Magee | 1907 | 5/9-8/8 | Wilkes-Barre Barons | New York State League | , | ||
| Leo Magee | 1907 | 5/7-7/16 | Burlington Pathfinders | Iowa League | , | ||
| Leo Magee | 1907 | 7/21-9/15 | Waterloo Cubs | Iowa League | , | ||
| Harl Maggert | magger001har | 1907 | 4/25-8/28+ | Wheeling Stogies | Central League | , | |
| Harl Maggert | magger001har | 1907 | 9/4- | 3 g. | Pittsburgh | National League | Pittsburgh, PA |
| Magie | 1907 | 9/15 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Jake Magie | magie-001jac | 1907 | 5/9-9/7 | Utica Pent-Ups | New York State League | , | |
| Jake Magie | magie-001jac | 1907 | 9/13-9/22 | Albany Senators | New York State League | , | |
| George Magoon | magoon001geo | 1907 | 4/27-9/14 | Trenton Tigers | Tri-State League | , | |
| Lou Mahaffey | mahaff002lou | 1907 | 4/27-5/26 | Umpire | Northwestern League | , | |
| Tom Maher | maher-001tho | 1907 | 4/27-5/22 | Wilmington Peaches | Tri-State League | , | |
| William Mahling | mahlin001wil | 1907 | 4/25-9/22 | Newark Sailors | Eastern League | , | |
| Eugene Mahon | mahon-001eug | 1907 | 112 g. | Aberdeen Black Cats | Northwestern League | , | |
| Leo Mahoney | 1907 | +4/25+ | New Haven Blues | Connecticut State League | , | ||
| Leo Mahoney | 1907 | Milwaukee Brewers | American Association | , | |||
| William Mahoney | 1907 | 5/10-5/30 | Umpire | New York State League | , | ||
| Louis Maire | maire-001lou | 1907 | 5/16-9/20 | Kalamazoo White Sox | Southern Michigan League | , | |
| Edgar Maitland | maitla001edg | 1907 | Bordertown Military | Academy | , | ||
| Edgar Maitland | maitla001edg | 1907 | 39 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Burton Major | major-000bur | 1907 | 5/25-6/20 | Auburn | Empire State League | , | |
| Burton Major | major-000bur | 1907 | 7/2-9/7 | Lyons | Empire State League | , | |
| Bill Malarkey | malark001wil | 1907 | 5/2-9/26 | Sharon Giants | Ohio-Pennsylvania League | , | |
| John Malarkey | malark001joh | 1907 | 4/13-9/14 | Montgomery Senators | Southern Association | , | |
| Charlie Malay | malay-001cha | 1907 | 5/26-9/24 | Rochester Bronchos | Eastern League | , | |
| William Malay | 1907 | 4/27- | 5 g. | New Bedford Whalers | New England League | , | |
| William Malay | 1907 | -5/3 | Worcester Busters | New England League | , | ||
| William Maley | 1907 | 2 g. | Bangor White Sox | Maine State League | , | ||
| James Malicoat | 1907 | 7/30-8/23 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Henry Mallory | 1907 | 5/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Malloy | 1907 | 5/20-6/22 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Herm Malloy | malloy001her | 1907 | 4/25-9/12 | 35 g. | Dayton Veterans | Central League | , |
| Herm Malloy | malloy001her | 1907 | 10/6 | Detroit | American League | Detroit, MI | |
| John Malone | 1907 | 5/9-5/13 | Eau Claire Tigers | Wisconsin State League | , | ||
| John Malone | 1907 | 5/18-6/6 | Oshkosh Indians | Wisconsin State League | , | ||
| John Malone | 1907 | 8/24-9/11 | Eau Claire Tigers | Wisconsin State League | , | ||
| Billy Maloney | malone003wil | 1907 | Brooklyn | National League | Brooklyn, NY | ||
| Curley Maloney | malone005jam | 1907 | 140 g. | Dallas Giants | Texas League | , | |
| William Maloney | malone005wil | 1907 | 4/8-5/4 | Augusta Tourists | South Atlantic League | , | |
| William Maloney | malone005wil | 1907 | 5/16-9/12+ | South Bend Greens | Central League | , | |
| Nicholas Malvern | malver001nic | 1907 | 6/1-6/14 | Madison Senators | Wisconsin State League | , | |
| Nicholas Malvern | malver001nic | 1907 | 7/6-7/13 | Mount Clemens Bathers | Southern Michigan League | , | |
| Dolph Mangum | mangum000dol | 1907 | Geological Dept. | WashDC | , | ||
| George Manion | manion001geo | 1907 | 5/27-9/21 | Norfolk Tars | Virginia League | , | |
| Harry Manner | manner001har | 1907 | 7 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Manning | 1907 | 5/7-7/29 | Chester/Tamaqua | Atlantic League | , | ||
| Edward Manning | 1907 | 8/2-8/10 | Memphis Egyptians | Southern Association | , | ||
| Edward Manning | 1907 | 8/14-9/14 | New Orleans Pelicans | Southern Association | , | ||
| John Manning | mannin001joh | 1907 | 5/9-5/29 | Wilkes-Barre Barons | New York State League | , | |
| John Manning | mannin001joh | 1907 | 6/14-9/3 | Memphis Egyptians | Southern Association | , | |
| Rube Manning | mannin001wal | 1907 | 4/24-5/14 | Williamsport Millionaires | Tri-State League | , | |
| Rube Manning | mannin001wal | 1907 | 9/25 | New York | American League | New York, NY | |
| James Manser | 1907 | 7/1-7/26 | Jersey City Skeeters | Eastern League | , | ||
| William Manser | 1907 | 8/8-9/7 | Fall River Indians | New England League | , | ||
| Jim Mansfield | 1907 | 2 g. | Portland Blue Sox | Maine State League | , | ||
| Lou Manske | manske001lou | 1907 | 4/18-8/15 | Minneapolis Millers | American Association | , | |
| Bobby Mantel | 1907 | 6/13, 7/10 | Auburn | Empire State League | , | ||
| Bobby Mantel | 1907 | 7/17-8/12 | Geneva | Empire State League | , | ||
| Bobby Mantel | 1907 | 8/24-9/6 | Auburn | Empire State League | , | ||
| Moxie Manuel | manuel001mar | 1907 | 4/11-9/14 | New Orleans Pelicans | Southern Association | , | |
| Frank Manush | manush001fra | 1907 | 4/11-9/18 | Columbus Discoverers | Cotton States League | , | |
| George Manush | 1907 | 4/11-8/30 | Gulfport Crabs | Cotton States League | , | ||
| George Manush | 1907 | 8/31 | Mobile Sea Gulls | Cotton States League | , | ||
| George Manush | 1907 | 9/1-9/18 | Vicksburg Hill Billies | Cotton States League | , | ||
| Art Marcan | marcan002art | 1907 | 5/9-9/22 | Wilkes-Barre Barons | New York State League | , | |
| Marcon | 1907 | 8/30 | Marshalltown Snappers | Iowa League | , | ||
| John Marion | 1907 | Washington State | , | ||||
| John Marion | 1907 | 7/17-9/14 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| John Marion | 1907 | 9/2 | Marshalltown Snappers | Iowa League | , | ||
| George Markley | markle001geo | 1907 | 42 g. | San Antonio Bronchos | Texas League | , | |
| George Markley | markle001geo | 1907 | 7/17-7/20 | Charleston Sea Gulls | South Atlantic League | , | |
| George Markley | markle001geo | 1907 | 7/23-9/3 | Jacksonville Jays | South Atlantic League | , | |
| William Marnin | mornin001--- | 1907 | 5/24-9/7 | Geneva | Empire State League | , | |
| James Maroney | marone001--- | 1907 | 8/3-8/30 | Oswego | Empire State League | , | |
| Rube Marquard | marqua001ric | 1907 | 5/4-9/15 | Canton Chinamen | Central League | , | |
| Marshall | 1907 | 6/12-6/13 | Allentown | Atlantic League | , | ||
| Archie Marshall | marsha001arc | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| David Marshall | 1907 | 112 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Doc Marshall | marsha005wil | 1907 | 84 g. | St. Louis | National League | St. Louis, MO | |
| Joe Marshall | marsha001jos | 1907 | Alaska- | Independent | , | ||
| Joe Marshall | marsha001jos | 1907 | 9/6-10/6 | Tacoma Tigers | Northwestern League | , | |
| Ray Marshall | 1907 | +5/2-7/22+ | Meridian Ribboners | Cotton States League | , | ||
| Ray Marshall | 1907 | 7/23-9/18 | Columbus Discoverers | Cotton States League | , | ||
| Marshman | 1907 | 6 g. | Augusta | Maine State League | , | ||
| Doc Martell | martel001leo | 1907 | 49 g. | DuBois Miners | Interstate League | , | |
| Doc Martell | martel001leo | 1907 | 8/16-9/14 | Trenton Tigers | Tri-State League | , | |
| Martin | 1907 | 48 g. | Alexandria White Sox | Gulf Coast League | , | ||
| Dave Martin | martin001dav | 1907 | 26 g. | Terre Haute Hottentots | Central League | , | |
| Dave Martin | martin001dav | 1907 | South Bend Greens | Central League | , | ||
| Guy Martin | 1907 | 5/12-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Harry Martin | martin007har | 1907 | +7/25+ | 4 g. | Terre Haute Hottentots | Central League | , |
| Harry Martin | martin007har | 1907 | 8/8-8/11 | Tecumseh | Southern Michigan League | , | |
| Joe Martin | martin006jos | 1907 | 4/24-9/10 | Harrisburg Senators | Tri-State League | , | |
| Prescott Martin | 1907 | 64 g. | Spartanburg Spartans | South Carolina League | , | ||
| Red Martin | 1907 | 4 g. | Terre Haute Hottentots | Central League | , | ||
| Red Martin | 1907 | Boonville IN | Independent | , | |||
| William Martin | 1907 | 4/22-8/16 | Portsmouth Truckers | Virginia League | , | ||
| Felix Martinke | martin003fel | 1907 | 5/26-9/13 | Vancouver Canucks | Northwestern League | , | |
| Felix Martinke | martin003fel | 1907 | 9/17-10/5 | Tacoma Tigers | Northwestern League | , | |
| Mason | 1907 | 60 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Mason | 1907 | 7/19 | Geneva | Empire State League | , | ||
| Mason | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Claudius Mason | mason-001cla | 1907 | Frankfort KS | Independent | , | ||
| Del Mason | mason-001ade | 1907 | 4/15-8/16 | Cincinnati | National League | Cincinnati, OH | |
| Del Mason | mason-001ade | 1907 | 8/31-9/24 | Jersey City Skeeters | Eastern League | , | |
| Ferdinand Mason | mason-001f-- | 1907 | 5/2-7/30 | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Ferdinand Mason | mason-001f-- | 1907 | 8/1-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Ferdinand Mason | mason-001f-- | 1907 | +8/16-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Fred Mason | 1907 | 5/14 | Flint Vehicles | Southern Michigan League | , | ||
| Harry Mason | mason-002har | 1907 | 5/9-9/22 | Troy Trojans | New York State League | , | |
| Nel Mason | mason-001nel | 1907 | 5/7-9/14 | Quincy Gems | Iowa League | , | |
| Bill Massey | massey001bil | 1907 | 123 g. | Holyoke Papermakers | Connecticut State League | , | |
| John Massing | massin001joh | 1907 | 4/20-9/11 | Shreveport Pirates | Southern Association | , | |
| Masters | 1907 | 6/9 | Flint Vehicles | Southern Michigan League | , | ||
| George Mathay | 1907 | 5/1-7/27+ | Sharon Giants | Ohio-Pennsylvania League | , | ||
| George Mathay | 1907 | 8/6-9/2 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Mathers | 1907 | 5/1-5/31 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Mathers | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Mathers | 1907 | 7/17-8/7 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Mathers | 1907 | -9/13 | 6 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Mathews | 1907 | 8/21 | Danville Red Sox | Virginia League | , | ||
| Christy Mathewson | mathew001chr | 1907 | 41 g. | New York | National League | New York, NY | |
| Henry Mathewson | mathew001hen | 1907 | 5/4 | New York | National League | New York, NY | |
| Henry Mathewson | mathew001hen | 1907 | 5/26 | Wilmington Peaches | Tri-State League | , | |
| Henry Mathewson | mathew001hen | 1907 | Nashville Volunteers | Southern Association | , | ||
| Henry Mathewson | mathew001hen | 1907 | 8/30 | Pottsville | Atlantic League | , | |
| Stanislaus Mathieu | mathie000sta | 1907 | 5/3 | Providence Grays | Eastern League | , | |
| Alonzo Mathis | 1907 | 40 g. | Terrell Red Stockings | North Texas League | , | ||
| Grover Matney | matney001gro | 1907 | 4/18-5/30 | Norfolk Tars | Virginia League | , | |
| Grover Matney | matney001gro | 1907 | 6/18-8/9 | Orangeburg Edistoes | South Carolina League | , | |
| Al Mattern | matter001alo | 1907 | 25 g. | Holyoke Papermakers | Connecticut State League | , | |
| Charlie Matthews | 1907 | 8/23-8/27 | Charleston Sea Gulls | South Atlantic League | , | ||
| Harry Matthews | matthe001har | 1907 | 4/11-9/13 | New Orleans Pelicans | Southern Association | , | |
| William Matthews | matthe002wil | 1907 | 4/24-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| William Matthews | matthe002wil | 1907 | 7/24-9/13 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Wilson Matthews | matthe004wil | 1907 | 7/16-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Mattice | 1907 | 8/5-8/6 | Reading | Atlantic League | , | ||
| Mattick | 1907 | 4/11+ | Gulfport Crabs | Cotton States League | , | ||
| Mattick | 1907 | 5/13-6/1 | Columbus Discoverers | Cotton States League | , | ||
| Walter Mattick | 1907 | Oskaloosa Quakers | Iowa League | , | |||
| Mattie Mattison | 1907 | 5/1-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Henry Matz | 1907 | +5/3+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Henry Matz | 1907 | 5/27-5/30 | Scottdale Giants | Western Pennsylvania League | , | ||
| Al Mauch | mauch-001alb | 1907 | Bangor | Blue Mountain League | , | ||
| Patrick Mauch | mauch-001pat | 1907 | 5/14-9/22 | Lansing Senators | Southern Michigan League | , | |
| Bernard Maurer | maurer001ber | 1907 | 5/12-6/9 | Syracuse Stars | New York State League | , | |
| Bernard Maurer | maurer001ber | 1907 | 8/4-8/26 | Syracuse Stars | New York State League | , | |
| John Maury | maury-003--- | 1907 | 8/12-8/18 | Allentown | Atlantic League | , | |
| Maxwell | 1907 | 4/26-5/13 | Worcester Busters | New England League | , | ||
| Maxwell | 1907 | Niagara Falls | International League | , | |||
| Bert Maxwell | maxwel001jam | 1907 | 4/12-9/12 | Montgomery Senators | Southern Association | , | |
| Elwood Maxwell | maxwel001c-- | 1907 | no g. | Pottsville | Atlantic League | , | |
| Mark May | may---000mar | 1907 | 7/5-7/6 | Connellsville Cokers | Western Pennsylvania League | , | |
| Mark May | may---000mar | 1907 | 8/1-8/2 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Mark May | may---000mar | 1907 | 8/6 | Beaver Falls Beavers | Western Pennsylvania League | , | |
| William May | may---002wil | 1907 | 4/12-9/16 | Columbus Discoverers | Cotton States League | , | |
| Maynard | 1907 | 7/15-7/25 | Greenville Mountaineers | South Carolina League | , | ||
| Mayo | 1907 | 4 g. | Biddeford | Maine State League | , | ||
| Jesse Mays | mays--001pik | 1907 | +4/13+ | KC- | Independent | , | |
| Jesse Mays | mays--001pik | 1907 | +5/8-6/19+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Jesse Mays | mays--001pik | 1907 | 7/2-7/23 | Springfield Midgets | Western Association | , | |
| Jesse Mays | mays--001pik | 1907 | 7/24 | Webb City Goldbugs | Western Association | , | |
| Jack McAleese | mcalee001joh | 1907 | 5/1-9/15+ | Youngstown Champs | Ohio-Pennsylvania League | , | |
| L. B. McAlester | 1907 | Fort Worth Panthers | Texas League | , | |||
| Sport McAllister | mcalli001lew | 1907 | 4/27-9/24 | Buffalo Bisons | Eastern League | , | |
| Tom McAndrew | mcandr002tho | 1907 | 5/21-5/30 | Binghamton Bingoes | New York State League | , | |
| Tom McAndrew | mcandr002tho | 1907 | 6/6-6/8 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Tom McAndrew | mcandr002tho | 1907 | 7/1-8/1 | Binghamton Bingoes | New York State League | , | |
| Tom McAndrew | mcandr002tho | 1907 | 8/19-8/22 | Albany Senators | New York State League | , | |
| Tom McAndrew | mcandr002tho | 1907 | 9/5-9/16 | Scranton Miners | New York State League | , | |
| McAndrews | 1907 | 8/1-8/12 | Portsmouth Truckers | Virginia League | , | ||
| Charles McAndrews | 1907 | 5/13-6/19 | Chester/Tamaqua | Atlantic League | , | ||
| Mike McAndrews | mcandr001mic | 1907 | Waterbury Authors | Connecticut State League | , | ||
| Patrick McAndrews | mcandr001pat | 1907 | 4/26-6/9 | Terre Haute Hottentots | Central League | , | |
| Patrick McAndrews | mcandr001pat | 1907 | 9/10-9/15 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| Harry McArdle | mcardl001har | 1907 | 5/9-9/21 | Scranton Miners | New York State League | , | |
| Robert McAuley | mcaule001rob | 1907 | 5/12-9/22 | Wausau Lumberjacks | Wisconsin State League | , | |
| Gene McAuliffe | mcauli002eug | 1907 | 5/29-6/1 | Brockton Tigers | New England League | , | |
| George McAvoy | 1907 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |||
| George McAvoy | 1907 | 5/13-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| J. J. McAvoy | 1907 | Vicksburg Hill Billies | Cotton States League | , | |||
| William McAvoy | 1907 | +5/29+ | Lafayette Col. | College | , | ||
| William McAvoy | 1907 | Nazareth | Blue Mountain League | , | |||
| William McAvoy | 1907 | 8/26-8/30 | Easton | Atlantic League | , | ||
| McBain | 1907 | 2 g. | Manchester | Maine State League | , | ||
| McBride | 1907 | Centralia White Stockings/Paris Colts | Eastern Illinois League | , | |||
| McBride | 1907 | Shelbyville Queen Citys | Eastern Illinois League | , | |||
| George McBride | mcbrid001geo | 1907 | 4/17-9/16 | Kansas City Blues | American Association | , | |
| McBrier | 1907 | +4/21-5/26+ | Chic.-Spaldings | Independent | , | ||
| McBrier | 1907 | 7/2-7/10 | Madison Senators | Wisconsin State League | , | ||
| McBrier | 1907 | 7/12-7/18 | La Crosse Badgers | Wisconsin State League | , | ||
| McCabe | 1907 | 23 g. | Worcester Busters | New England League | , | ||
| McCabe | 1907 | 5/18-5/19 | Chester/Tamaqua | Atlantic League | , | ||
| Bill McCabe | mccabe005wil | 1907 | Poughkeepsie Colts | Hudson River League | , | ||
| Francis McCabe | mccabe002fra | 1907 | 6/24-8/20 | Haverhill Hustlers | New England League | , | |
| Hugh McCabe | 1907 | Newburgh Hillies | Hudson River League | , | |||
| Hugh McCabe | 1907 | 6/29-7/25 | Columbia Gamecocks | South Atlantic League | , | ||
| Swat McCabe | mccabe002jam | 1907 | 4/29-5/29 | Worcester Busters | New England League | , | |
| Swat McCabe | mccabe002jam | 1907 | 64 g. | New London Whalers | Connecticut State League | , | |
| William McCabe | mccabe001wil | 1907 | 4/24-7/17 | Lancaster Red Roses | Tri-State League | , | |
| William McCabe | mccabe001wil | 1907 | -9/14 | 14 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Charles McCafferty | mccaff002cha | 1907 | 4/27-5/13 | Newark Sailors | Eastern League | , | |
| Charles McCafferty | mccaff002cha | 1907 | 6/4-6/25 | Montgomery Senators | Southern Association | , | |
| Charles McCafferty | mccaff002cha | 1907 | 7/16-8/13 | Newark Sailors | Eastern League | , | |
| Harry McCain | 1907 | 53 g. | Battle Creek Crickets | Southern Michigan League | , | ||
| McCair | 1907 | 8/5 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| John McCall | mccall001joh | 1907 | 36 g. | Austin Senators | Texas League | , | |
| Jack McCallister | mccall001jac | 1907 | 5/9-9/22 | Wilkes-Barre Barons | New York State League | , | |
| Michael McCallum | 1907 | 5/25-8/6 | Auburn | Empire State League | , | ||
| Gene McCann | mccann001hen | 1907 | 4/26,6/25,7/7 | Jersey City Skeeters | Eastern League | , | |
| Mike McCann | mccann001mic | 1907 | 4/10-5/22 | Montgomery Senators | Southern Association | , | |
| Mike McCann | mccann001mic | 1907 | 7/6-8/18 | Milwaukee Brewers | American Association | , | |
| McCarthy | 1907 | 5/21-5/31 | Lowell Tigers | New England League | , | ||
| McCarthy | 1907 | 6/13 | Lyons | Empire State League | , | ||
| McCarthy | 1907 | +6/26+ | Umpire | Eastern League | , | ||
| Andrew McCarthy | 1907 | 4/27-5/23 | New Bedford Whalers | New England League | , | ||
| Andrew McCarthy | 1907 | 6/8-9/3 | Fulton | Empire State League | , | ||
| Arch McCarthy | mccart001arc | 1907 | 4/24-4/29 | Altoona Mountaineers | Tri-State League | , | |
| Arch McCarthy | mccart001arc | 1907 | Martinsburg WV | Independent | , | ||
| Bill McCarthy | mccart006wil | 1907 | 5/3-5/7 | Providence Grays | Eastern League | , | |
| Bill McCarthy | mccart006wil | 1907 | 7/10-7/24 | Haverhill Hustlers | New England League | , | |
| Bill McCarthy | mccart006wil | 1907 | - 9/14 | 3 g. | Cincinnati | National League | Cincinnati, OH |
| Ed McCarthy | 1907 | 5/6-5/9 | Allentown | Atlantic League | , | ||
| F. McCarthy | 1907 | 8/1 | Fulton | Empire State League | , | ||
| Jack McCarthy | mccart003joh | 1907 | - 5/25 | 25 g. | Brooklyn | National League | Brooklyn, NY |
| Jack McCarthy | mccart003joh | 1907 | 6/15-8/15 | Kansas City Blues | American Association | , | |
| Jack McCarthy | mccart004jac | 1907 | Umpire | Western League | , | ||
| Jack McCarthy | mccart004jac | 1907 | 6/11-9/22 | Umpire | Eastern League | , | |
| Joe McCarthy | mccart003jos | 1907 | 5/12-7/6 | Syracuse Stars | New York State League | , | |
| Joe McCarthy | mccart003jos | 1907 | 7/12-8/2 | Utica Pent-Ups | New York State League | , | |
| Joe McCarthy | mccart003jos | 1907 | 8/20 | Lyons | Empire State League | , | |
| Joseph McCarthy | 1907 | 4/24-5/10 | Wilmington Peaches | Tri-State League | , | ||
| Joseph McCarthy | 1907 | 71 g. | Franklin Millionaires | Interstate League | , | ||
| Patrick McCarthy | 1907 | 5/7-8/21 | Jacksonville Lunatics | Iowa League | , | ||
| Patrick McCarthy | 1907 | 8/24-8/25 | Waterloo Cubs | Iowa League | , | ||
| Tom McCarthy | mccart005tho | 1907 | 4/28-9/22 | Newark Sailors | Eastern League | , | |
| Tommy McCarthy | mccart001tom | 1907 | Dartmouth Col. | College | , | ||
| McCartney | 1907 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |||
| McCartney | 1907 | +7/26-8/6+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| I. W. McCartney | 1907 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |||
| I. W. McCartney | 1907 | +7/26-8/6+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Frank McCarty | 1907 | 4/24-4/29 | Altoona Mountaineers | Tri-State League | , | ||
| Frank McCarty | 1907 | +5/16+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Frank McCarty | 1907 | Martinsburg WV | Independent | , | |||
| J. F. McCarty | 1907 | 5/17-9/21 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Joseph McCarty | 1907 | Franklin Millionaires | Interstate League | , | |||
| McCaslin | 1907 | 6/15-6/16 | Scottdale Giants | Western Pennsylvania League | , | ||
| Pat McCauley | mccaul001pat | 1907 | 4/27-7/6 | Wilmington Peaches | Tri-State League | , | |
| Billy McCausland | mccaus001wil | 1907 | +6/23+ | Denv.-Iron Workers | Independent | , | |
| Bernard McCay | mccay-001ber | 1907 | 4/11-9/18 | Mobile Sea Gulls | Cotton States League | , | |
| Harry McChesney | mcches001har | 1907 | 4/17-9/2 | Milwaukee Brewers | American Association | , | |
| James McClain | mcclai001jam | 1907 | Medicine Hat Hatters | Western Canada League | , | ||
| Eldred McClaire | 1907 | 34 g. | Edmonton Grays | Western Canada League | , | ||
| McCleary | 1907 | 7/11 | Minneapolis Millers | American Association | , | ||
| Edward McCleary | 1907 | +4/6-6/1+ | Penn State Univ. | College | , | ||
| Edward McCleary | 1907 | +7/2-7/8+ | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Edward McCleary | 1907 | +7/17-8/31+ | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| McClelland | 1907 | 66 g. | Calgary Bronchos | Western Canada League | , | ||
| Walter McClelland | 1907 | 6/12-6/13 | Tacoma Tigers | Northwestern League | , | ||
| McClennan | 1907 | 4/26-5/8 | Lowell Tigers | New England League | , | ||
| Albert McClintock | mcclin001a-- | 1907 | 5/1-8/24 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Albert McClintock | mcclin001a-- | 1907 | 9/7-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Howard McClintock | mcclin001wil | 1907 | +5/12-7/23 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Howard McClintock | mcclin001wil | 1907 | -9/20 | 14 g. | Oklahoma City Mets | Western Association | , |
| James McClintock | 1907 | 5/8-7/12+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| James McClintock | 1907 | +7/10+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| James McClintock | 1907 | 7/17-9/14 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| McCloskey | 1907 | 7/13-7/14 | Flint Vehicles | Southern Michigan League | , | ||
| Charles McCloskey | mcclos002cha | 1907 | 5/1-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| John McCloskey | mcclos001joh | 1907 | St. Louis | National League | St. Louis, MO | ||
| John McCloskey | mcclos002jam | 1907 | - 5/31 | 3 g. | Philadelphia | National League | Philadelphia, PA |
| John McCloskey | mcclos002jam | 1907 | 6/5-9/20 | Baltimore Orioles | Eastern League | , | |
| Harry McCloud | mcclou002har | 1907 | Umpire | Connecticut State League | , | ||
| William McCombs | mccomb001wil | 1907 | 4/25-9/15 | Wheeling Stogies | Central League | , | |
| McConnell | 1907 | 7/4 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Amby McConnell | mcconn001amb | 1907 | 5/2-9/24 | Providence Grays | Eastern League | , | |
| George McConnell | mcconn001geo | 1907 | 4/24-9/24 | Buffalo Bisons | Eastern League | , | |
| Jack McConnell | mcconn002joh | 1907 | 5/30-8/28+ | Terre Haute Hottentots | Central League | , | |
| Lanty McConnell | mcconn002lan | 1907 | 74 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Mike McCormack | mccorm003mic | 1907 | 4/10-8/1 | Nashville Volunteers | Southern Association | , | |
| McCormick | 1907 | 7/25-7/31 | Dayton Veterans | Central League | , | ||
| McCormick | 1907 | 8/10-8/12 | Newark Newks | Ohio-Pennsylvania League | , | ||
| McCormick | 1907 | 8/10 | Elizabeth | Atlantic League | , | ||
| McCormick | 1907 | 5/30-9/2 | Umpire | Atlantic League | , | ||
| Barry McCormick | mccorm002wil | 1907 | 4/17-9/16 | Milwaukee Brewers | American Association | , | |
| Charles McCormick | 1907 | 4/30- | 20 g. | Fall River Indians | New England League | , | |
| Charles McCormick | 1907 | -6/24 | Brockton Tigers | New England League | , | ||
| Frank McCormick | mccorm002fra | 1907 | 5/12-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Louis McCormick | mccorm001l-- | 1907 | 5/3 | Norfolk Tars | Virginia League | , | |
| William McCormick | 1907 | 5/17-9/2 | Duluth White Sox | Northern-Copper Country League | , | ||
| Bill McCorry | mccorr001wil | 1907 | 5/1-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Bill McCorry | mccorr001wil | 1907 | -9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | |
| H. L. McCorry | 1907 | 5/1-5/12 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| H. L. McCorry | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | |||
| McCoy | 1907 | 6/17 | Freensburg | Western Pennsylvania League | , | ||
| McCoy | 1907 | 3 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| McCoy | 1907 | 3 g. | Terrell Red Stockings | North Texas League | , | ||
| Alexander McCracken | 1907 | +5/10+ | Wash.& Jeff. Col. | College | , | ||
| Alexander McCracken | 1907 | Washington | Pennsylvania-Ohio-Maryland League | , | |||
| Arthur McCracken | mccrac001art | 1907 | 5/2-5/20 | Clarksburg Bees | Western Pennsylvania League | , | |
| Arthur McCracken | mccrac001art | 1907 | 8/3-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| John McCrane | mccran001joh | 1907 | New Haven Blues | Connecticut State League | , | ||
| John McCrane | mccran001joh | 1907 | New London Whalers | Connecticut State League | , | ||
| Mater McCrea | 1907 | 5/1-5/21 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Mater McCrea | 1907 | 5/23-6/13 | Butler White Sox | Western Pennsylvania League | , | ||
| Mater McCrea | 1907 | 8/4-8/30 | Butler White Sox | Western Pennsylvania League | , | ||
| Judge McCredie | mccred001wal | 1907 | Portland Beavers | Pacific Coast League | , | ||
| Tom McCreery | mccree001tho | 1907 | 8/17-9/15 | Columbus Senators | American Association | , | |
| Peter McCrehan | 1907 | 4/30-5/1 | New Bedford Whalers | New England League | , | ||
| Peter McCrehan | 1907 | 6/14-6/16 | Toronto Maple Leafs | Eastern League | , | ||
| Peter McCrehan | 1907 | 1 g. | Bangor White Sox | Maine State League | , | ||
| Peter McCrehan | 1907 | 3 g. | Portland Blue Sox | Maine State League | , | ||
| James McCreight | 1907 | 43 g. | Franklin Millionaires | Interstate League | , | ||
| Wallace McCrory | 1907 | +5/15+ | Chanute-Eagles | Independent | , | ||
| Thomas McCrossin | 1907 | 5/2-5/7 | Montgomery Senators | Southern Association | , | ||
| Thomas McCrossin | 1907 | +5/12+ | 5 g. | San Antonio Bronchos | Texas League | , | |
| Thomas McCrossin | 1907 | 6/3-6/4 | Johnstown Johnnies | Tri-State League | , | ||
| Hugh McCulley | 1907 | 130 g. | Austin Senators | Texas League | , | ||
| McCulloch | 1907 | 7/23-8/2 | Pueblo Indians | Western League | , | ||
| McCullough | 1907 | 12 g. | Pueblo Indians | Western League | , | ||
| Hugh McCullum | mccull003hug | 1907 | 5/2-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Hugh McCullum | mccull003hug | 1907 | 6/3-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Hugh McCullum | mccull003hug | 1907 | 8/6-9/2+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Hugh McCune | 1907 | 4/29-9/7 | Worcester Busters | New England League | , | ||
| Danny McDade | 1907 | 2 g. | Lewiston | Maine State League | , | ||
| Danny McDade | 1907 | 22 g. | Pine Tree | Maine State League | , | ||
| Arch McDaniels | mcdani001arc | 1907 | 4/30-5/13 | Brockton Tigers | New England League | , | |
| Arch McDaniels | mcdani001arc | 1907 | 21 g. | Lewiston | Maine State League | , | |
| Fred McDermott | mcderm001fre | 1907 | 6/18-9/22 | Lansing Senators | Southern Michigan League | , | |
| Michael McDermott | mcderm003mic | 1907 | 11 g. | Augusta | Maine State League | , | |
| R. L. McDermott | 1907 | 6/7-6/21 | Pottsville | Atlantic League | , | ||
| Tom McDermott | mcderm005tho | 1907 | 5/8-5/18 | Easton | Atlantic League | , | |
| Will McDevitt | mcdevi001wil | 1907 | 4/11-6/17+ | Columbus Discoverers | Cotton States League | , | |
| Will McDevitt | mcdevi001wil | 1907 | Meridian Ribboners | Cotton States League | , | ||
| Will McDevitt | mcdevi001wil | 1907 | 7/8-9/15 | Jackson Senators | Cotton States League | , | |
| McDicken/s | 1907 | 5/14-5/29 | Brooklyn | Atlantic League | , | ||
| Eddie McDill | mcdill001edw | 1907 | 5/7-5/13 | Waterloo Cubs | Iowa League | , | |
| Eddie McDill | mcdill001edw | 1907 | 5/18 | Oskaloosa Quakers | Iowa League | , | |
| Eddie McDill | mcdill001edw | 1907 | 5/22-6/23+ | Leavenworth Convicts | Western Association | , | |
| McDonald | 1907 | 4/19-5/1 | Danville Red Sox | Virginia League | , | ||
| McDonald | 1907 | 7/10-7/17 | Danville Red Sox | Virginia League | , | ||
| McDonald | 1907 | 7/24-7/28 | Lynchburg Shoemakers | Virginia League | , | ||
| McDonald | 1907 | 75 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| McDonald | 1907 | 5/4-6/23 | Allentown | Atlantic League | , | ||
| McDonald | 1907 | 9 g. | Biddeford | Maine State League | , | ||
| Edward McDonald | mcdona002edw | 1907 | 6/16-7/15 | Newark Sailors | Eastern League | , | |
| Harry McDonald | 1907 | 7/3-7/29 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Harry McDonald | 1907 | 7/20-8/7+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| J. Dugal McDonald | 1907 | 5/13-6/9 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| J. Dugal McDonald | 1907 | 6/16-9/2? | Pana Coal Miners | Eastern Illinois League | , | ||
| John McDonald | mcdona008joh | 1907 | Punxsutawney Policemen | Interstate League | , | ||
| John McDonald | mcdona008joh | 1907 | 9/3 | Washington | American League | Washington, DC | |
| John McDonald | 1907 | 19 g. | Erie Sailors | Interstate League | , | ||
| Joseph McDonald | mcdona003jos | 1907 | 4/26- | New Bedford Whalers | New England League | , | |
| Joseph McDonald | mcdona003jos | 1907 | -9/7 | Lawrence Colts | New England League | , | |
| Patrick McDonald | 1907 | 6/15-7/22 | Scranton Miners | New York State League | , | ||
| Patrick McDonald | 1907 | 7/27-8/26 | Utica Pent-Ups | New York State League | , | ||
| Ross McDonald | 1907 | 5/28-5/31 | Williamsport Millionaires | Tri-State League | , | ||
| W. L. McDonald | 1907 | Chattanooga TN | Independent | , | |||
| W. L. McDonald | 1907 | 6/24-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Edgar McDonnell | 1907 | 5/14-6/17 | Jackson Convicts | Southern Michigan League | , | ||
| Edgar McDonnell | 1907 | 7/5-7/18 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Edgar McDonnell | 1907 | 8/1-8/28 | Flint Vehicles | Southern Michigan League | , | ||
| McDonough | 1907 | Calgary Bronchos | Western Canada League | , | |||
| McDonough | 1907 | Medicine Hat Hatters | Western Canada League | , | |||
| McDonough | 1907 | 5/24-7/4 | Fulton | Empire State League | , | ||
| McDonough | 1907 | 5/26-6/19 | Butler White Sox | Western Pennsylvania League | , | ||
| Ed McDonough | 1907 | 5/9 | Troy Trojans | New York State League | , | ||
| Mike? McDonough | 1907 | 40 g. | Pine Tree | Maine State League | , | ||
| William McDonough | mcdono001wil | 1907 | 4/19-9/15 | Denver Grizzlies | Western League | , | |
| Sandy McDougal | mcdoug002joh | 1907 | 5/14-9/17 | Scranton Miners | New York State League | , | |
| Frederick McDuffie | 1907 | 5/24-5/30 | Worcester Busters | New England League | , | ||
| Pryor McElveen | mcelve001pry | 1907 | 4/10-9/14 | Nashville Volunteers | Southern Association | , | |
| Charles McEnroe | 1907 | 40 g. | Waterbury Authors | Connecticut State League | , | ||
| Dan McFarlan | mcfarl002dan | 1907 | 5/1-8/31 | Fairmont Champions | Western Pennsylvania League | , | |
| McFarland | 1907 | 5/7-5/23 | Keokuk Indians | Iowa League | , | ||
| McFarland | 1907 | 8 g. | Portland Blue Sox | Maine State League | , | ||
| McFarland | 1907 | 5/1- | Fairmont Champions | Western Pennsylvania League | , | ||
| Arthur McFarland | 1907 | 4/25-5/5 | Umpire | Central League | , | ||
| Chappie McFarland | mcfarl002cha | 1907 | 5/4-7/26+ | Oklahoma City Mets | Western Association | , | |
| Herm McFarland | mcfarl001her | 1907 | 5/11-9/14 | Wilmington Peaches | Tri-State League | , | |
| Monte McFarland | mcfarl001mon | 1907 | 5/1-5/31 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Monte McFarland | mcfarl001mon | 1907 | 6/18-9/22 | Oklahoma City Mets | Western Association | , | |
| Roy McFarland | mcfarl001roy | 1907 | Temple Boll Weevils | Texas League | , | ||
| Jack McFetridge | mcfetr001joh | 1907 | 8/26-9/7 | Wilmington Peaches | Tri-State League | , | |
| William McGeary | mcgear001wil | 1907 | Pen Argyl | Blue Mountain League | , | ||
| Charles McGeehan | 1907 | +7/28+ | Tam-Nesquehoning | Independent | , | ||
| Daniel McGeehan | 1907 | +7/28+ | Tam-Nesquehoning | Independent | , | ||
| Daniel McGeehan | 1907 | 6/4 | Pottsville | Atlantic League | , | ||
| Daniel McGeehan | 1907 | 8/1-9/8 | Reading | Atlantic League | , | ||
| James McGeehan | 1907 | Nesquehoning PA | Independent | , | |||
| James McGeehan | 1907 | Reading | Atlantic League | , | |||
| McGill | 1907 | 5/2-6/20 | Leavenworth Convicts | Western Association | , | ||
| Bill McGill | mcgill004wil | 1907 | 22 g. | Austin Senators | Texas League | , | |
| Bill McGill | mcgill004wil | 1907 | 5/2- | 42 g. | Leavenworth Convicts | Western Association | , |
| Bill McGill | mcgill004wil | 1907 | 9/16-9/27 | St. Louis | American League | St. Louis, MO | |
| Charles McGill | mcgill002cha | 1907 | 6/23-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Bill McGilvray | mcgilv001wil | 1907 | 146 g. | Pueblo Indians | Western League | , | |
| Jim McGinley | mcginl001jam | 1907 | 4/24-9/14 | Toronto Maple Leafs | Eastern League | , | |
| William McGinley | 1907 | 5/9-9/20 | Wilkes-Barre Barons | New York State League | , | ||
| James McGinty | 1907 | 5/19-8/15 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Stoney McGlynn | mcglyn001uly | 1907 | 46 g. | St. Louis | National League | St. Louis, MO | |
| Art McGovern | mcgove001art | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| McGrady | 1907 | 6/15-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| McGrady | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| James McGrady | 1907 | 11 g. | Augusta | Maine State League | , | ||
| James McGrady | 1907 | 4 g. | Manchester | Maine State League | , | ||
| H. McGrath | 1907 | 5/4-5/18 | Elizabeth | Atlantic League | , | ||
| Jack McGrath | 1907 | Umpire | New York State League | , | |||
| Benny? McGraw | 1907 | 49 g. | Pine Tree | Maine State League | , | ||
| John McGraw | mcgraw003joh | 1907 | 6/18 | New York | National League | New York, NY | |
| Samuel McGraw | 1907 | 6/3-8/30 | Seneca Falls | Empire State League | , | ||
| Eugene McGreevy | mcgree001eug | 1907 | 5/7-9/15 | Umpire | Illinois-Indiana-Iowa League | , | |
| James McGregor | 1907 | +4/25-5/28+ | Univ. of Iowa | College | , | ||
| James McGregor | 1907 | 7/24 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Clarence McGrew | 1907 | +6/21+ | Holton KS | Independent | , | ||
| Karl McGrew | 1907 | +6/21+ | Holton KS | Independent | , | ||
| Ted McGrew | mcgrew001har | 1907 | 4/27-9/15 | Canton Chinamen | Central League | , | |
| Ted McGrew | mcgrew001har | 1907 | 9/17-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| McGuire | 1907 | 7/12 | Fairmont Champions | Western Pennsylvania League | , | ||
| McGuire | 1907 | 5/2-6/5 | Umpire | Oklahoma-Arkansas-Kansas League | , | ||
| Deacon McGuire | mcguir006jam | 1907 | New York | American League | New York, NY | ||
| Deacon McGuire | mcguir006jam | 1907 | Boston | American League | Boston, MA | ||
| Eddie McGuire | 1907 | Yonkers | Hudson River League | , | |||
| Eddie McGuire | 1907 | 5/24-9/6 | Seneca Falls | Empire State League | , | ||
| James McGuire | 1907 | 30 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| James McGuire | 1907 | -9/13 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Joseph McGuire | 1907 | 7/6-9/15 | Quincy Gems | Iowa League | , | ||
| L. McGuire | 1907 | 5/24-9/7 | Oswego | Empire State League | , | ||
| Bob McHale | mchale001bob | 1907 | 4/17-9/15 | Denver Grizzlies | Western League | , | |
| Leo McHugh | 1907 | 8/1-8/6 | Reading | Atlantic League | , | ||
| John McIlvaine | 1907 | 28 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Irish McIlveen | mcilve001hen | 1907 | 58 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Irish McIlveen | mcilve001hen | 1907 | 9/7-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Hector McInnes | mcinni001joh | 1907 | 5/4-7/4 | Topeka White Sox | Western Association | , | |
| Hector McInnes | mcinni001joh | 1907 | 7/22-8/14 | Umpire | Western Association | , | |
| Hector McInnes | mcinni001joh | 1907 | 9/20 | Hutchinson Salt Packers | Western Association | , | |
| Harry McIntire | mcinti001joh | 1907 | 30 g. | Brooklyn | National League | Brooklyn, NY | |
| Butch McIntyre | mcinty001cha | 1907 | 5/15-8/12 | Vancouver Canucks | Northwestern League | , | |
| Butch McIntyre | mcinty001cha | 1907 | 8/26-9/5 | Tacoma Tigers | Northwestern League | , | |
| Edward McIvor | mcivor001edw | 1907 | 74 g. | Temple Boll Weevils | Texas League | , | |
| Edward McIvor | mcivor001edw | 1907 | 7/12-9/14 | Shreveport Pirates | Southern Association | , | |
| Bernard McKay | mccay-001ber | 1907 | Mobile Sea Gulls | Cotton States League | , | ||
| Daniel Mckay | mckay-001spa | 1907 | +9/8+ | 99 g. | Fort Worth Panthers | Texas League | , |
| Reeve McKay | mckay-001ree | 1907 | 4/20-9/15 | Lincoln Treeplanters | Western League | , | |
| Ed McKean | mckean001edw | 1907 | 4/25-7/8 | Dayton Veterans | Central League | , | |
| Ed McKean | mckean001edw | 1907 | 7/15-9/15 | Springfield Babes | Central League | , | |
| Bill McKechnie | mckech001wil | 1907 | 5/1- | 53 g. | Washington | Pennsylvania-Ohio-Maryland League | , |
| Bill McKechnie | mckech001wil | 1907 | 9/8- | 3 g. | Pittsburgh | National League | Pittsburgh, PA |
| McKee | 1907 | 5/7- | Springfield Midgets | Western Association | , | ||
| James McKenna | 1907 | 4/24-9/21 | Lynchburg Shoemakers | Virginia League | , | ||
| McKenzie | 1907 | 7/22-7/31 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Edwin McKenzie | 1907 | 4/11-7/9 | Columbia Gamecocks | South Atlantic League | , | ||
| Edwin McKenzie | 1907 | 7/27-9/4 | Atlanta Crackers | Southern Association | , | ||
| John McKenzie | mckenz001joh | 1907 | 4/11-5/23 | Umpire | Cotton States League | , | |
| John McKenzie | mckenz001joh | 1907 | 7/9-9/15 | Umpire | Central League | , | |
| William McKenzie | 1907 | 5/3-5/11 | Norfolk Tars | Virginia League | , | ||
| William McKenzie | 1907 | 5/20-6/24 | Orangeburg Edistoes | South Carolina League | , | ||
| William McKenzie | 1907 | 6/25-8/9 | Spartanburg Spartans | South Carolina League | , | ||
| McKeon | 1907 | +5/19+ | Dayton Veterans | Central League | , | ||
| Francis McKeon | mckeon001fra | 1907 | 7/10-7/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| James McKeon | 1907 | 5/4 | Rochester Bronchos | Eastern League | , | ||
| James? McKeown | 1907 | +5/27+ | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| Ed McKernan | mckern001edw | 1907 | 4/13-9/4 | Augusta Tourists | South Atlantic League | , | |
| James McKevitt | mckevi001jam | 1907 | 4/18-9/21 | Danville Red Sox | Virginia League | , | |
| Donald McKim | mckim-001don | 1907 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Charles McKinney | 1907 | 8/6-8/10 | Oskaloosa Quakers | Iowa League | , | ||
| McKnight | 1907 | 7/12 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| John McKnight | 1907 | 8/26-9/1+ | Augusta Tourists | South Atlantic League | , | ||
| McKown | 1907 | +5/11+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| McKown | 1907 | +6/6+ | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| McKown | 1907 | +7/8+ | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| William McKune | mckune001wil | 1907 | 4/20-10/6 | Spokane Indians | Northwestern League | , | |
| Marcus McLafferty | 1907 | 5/16-8/18 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| McLane | 1907 | 5/14-5/16 | Flint Vehicles | Southern Michigan League | , | ||
| Ed McLane | mclane001edw | 1907 | 5/3-9/14 | Wilmington Peaches | Tri-State League | , | |
| Ed McLane | mclane001edw | 1907 | 10/5 | Brooklyn | National League | Brooklyn, NY | |
| McLaughlin | 1907 | 5/12 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Cy McLaughlin | 1907 | 31 g. | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Cy McLaughlin | 1907 | Duluth White Sox | Northern-Copper Country League | , | |||
| George McLaughlin | mclaug003geo | 1907 | 4/23-9/15 | Des Moines Champs | Western League | , | |
| Robert McLaughlin | mclaug001rob | 1907 | 111 g. | Lake Charles Creoles | Gulf Coast League | , | |
| Warren McLaughlin | mclaug001war | 1907 | 39 g. | Springfield Ponies | Connecticut State League | , | |
| Ralph McLaurin | mclaur001ral | 1907 | 5/20-8/10 | Sumter Gamecocks | South Carolina League | , | |
| Sam McLean | mclean001fra | 1907 | 4/24-9/21 | Rochester Bronchos | Eastern League | , | |
| Harry McLear | mclear001har | 1907 | 5/2-6/23 | Wichita Jobbers | Western Association | , | |
| Harry McLear | mclear001har | 1907 | 7/6-9/15 | Des Moines Champs | Western League | , | |
| McLeavy | mcleav000--- | 1907 | +6/20+ | Rich.-Brownies | Independent | , | |
| Charles McLin | mclin-001cha | 1907 | Wiser ID | Independent | , | ||
| Ernest McLin | 1907 | +9/12+ | Ocala FL | Independent | , | ||
| Edward McLuckie | 1907 | 5/2-6/11 | Hutchinson Salt Packers | Western Association | , | ||
| Edward McLuckie | 1907 | +6/14-6/21+ | Webb City Goldbugs | Western Association | , | ||
| McMahon | 1907 | 5/24-6/13 | Geneva | Empire State League | , | ||
| McMahon | 1907 | 5/1- | 11 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| McMahon | 1907 | DuBois Miners | Interstate League | , | |||
| Dan McMahon | mcmaho002dan | 1907 | 5/1- | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Dan McMahon | mcmaho002dan | 1907 | 5/8-5/18 | Johnstown Johnnies | Tri-State League | , | |
| Dan McMahon | mcmaho002dan | 1907 | +6/5-6/18+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Dan McMahon | mcmaho002dan | 1907 | Rutland | Vermont League | , | ||
| Joseph McMahon | 1907 | Oil City-Jamestown Oseejays | Interstate League | , | |||
| Morrison McMahon | mcmaho001m-- | 1907 | 4/18-5/18 | Roanoke Tigers | Virginia League | , | |
| Morrison McMahon | mcmaho001m-- | 1907 | Bramwell WV | Independent | , | ||
| Morrison McMahon | mcmaho001m-- | 1907 | 7/23-9/21 | Roanoke Tigers | Virginia League | , | |
| William McMahon | mcmaho001wil | 1907 | 4/18-5/18 | Norfolk Tars | Virginia League | , | |
| William McMahon | mcmaho001wil | 1907 | 5/27-9/3 | Columbia Gamecocks | South Atlantic League | , | |
| William McMahon | mcmaho001wil | 1907 | 9/6-9/21 | Portsmouth Truckers | Virginia League | , | |
| John McMakin | mcmaki001joh | 1907 | Wofford College | College | , | ||
| John McMakin | mcmaki001joh | 1907 | 5/20-8/9 | Spartanburg Spartans | South Carolina League | , | |
| Frank McManus | mcmanu001fra | 1907 | 4/25-7/15 | Jersey City Skeeters | Eastern League | , | |
| Frank McManus | mcmanu001fra | 1907 | 7/28- | Montreal Royals | Eastern League | , | |
| McMillan | 1907 | 76 g. | Bangor White Sox | Maine State League | , | ||
| Tommy McMillan | mcmill004tho | 1907 | 4/8-8/24 | Jacksonville Jays | South Atlantic League | , | |
| Wilfred McMillan | mcmill001wil | 1907 | 6/1-9/14 | Burlington Pathfinders | Iowa League | , | |
| McMorey | 1907 | 6/15-9/2 | Calumet Aristocrats | Northern-Copper Country League | , | ||
| McMullen | 1907 | 8/19-8/24 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Hugh McMurray | mcmurr002hug | 1907 | 130 g. | San Antonio Bronchos | Texas League | , | |
| Bill McNamara | mcnama001wil | 1907 | 6/25-9/22 | Albany Senators | New York State League | , | |
| Thomas McNamara | 1907 | 5/1- | Umpire | Pennsylvania-Ohio-Maryland League | , | ||
| Thomas McNamara | 1907 | 6/19-7/17 | Umpire | Illinois-Indiana-Iowa League | , | ||
| McNamera | 1907 | 8/7-8/10 | Worcester Busters | New England League | , | ||
| McNeal | 1907 | +4/30-5/30+ | Wilmington Peaches | Tri-State League | , | ||
| Harry McNeal | mcneal001joh | 1907 | 5/16-7/10 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Harry McNeal | mcneal001joh | 1907 | 7/12-9/21 | Binghamton Bingoes | New York State League | , | |
| Hugh McNeeley | mcneel001har | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| McNeil | 1907 | 8/12-8/29 | Lyons | Empire State League | , | ||
| Bernard McNeil | mcneil001ber | 1907 | 4/30-5/30 | Wilmington Peaches | Tri-State League | , | |
| Bernard McNeil | mcneil001ber | 1907 | Franklin Millionaires | Interstate League | , | ||
| Bernard McNeil | mcneil001ber | 1907 | Bradford Drillers | Interstate League | , | ||
| Clyde McNutt | mcnutt001cly | 1907 | 5/14-9/21 | Bay City | Southern Michigan League | , | |
| N. McNutt | 1907 | 5/28-6/3 | Lansing Senators | Southern Michigan League | , | ||
| Frank McPartlin | mcpart002fra | 1907 | 5/18-9/6 | Haverhill Hustlers | New England League | , | |
| McPherson | 1907 | 8/14 | Columbia Gamecocks | South Atlantic League | , | ||
| McPherson | 1907 | +8/21+ | Colu.-Mechanics | Independent | , | ||
| McPherson | 1907 | 8/22 | Savannah Indians | South Atlantic League | , | ||
| McPherson | 1907 | 8/24-9/3 | Columbia Gamecocks | South Atlantic League | , | ||
| McPherson | 1907 | +9/5+ | Colu.-Mechanics | Independent | , | ||
| John McPherson | mcpher002joh | 1907 | 5/11-5/12 | Allentown | Atlantic League | , | |
| John McPherson | mcpher002joh | 1907 | 7/6-7/27 | Easton | Atlantic League | , | |
| Matthew McPhilllips | mcphil001--- | 1907 | 6/15-6/18 | Johnstown Johnnies | Tri-State League | , | |
| Mart McQuaid | mcquai001mor | 1907 | 7/28-8/2 | Umpire | Illinois-Indiana-Iowa League | , | |
| George McQuillan | mcquil002geo | 1907 | 5/8- | 6 g. | Philadelphia | National League | Philadelphia, PA |
| George McQuillan | mcquil002geo | 1907 | 5/30-9/16 | Providence Grays | Eastern League | , | |
| Frank McShane | 1907 | Waterbury Authors | Connecticut State League | , | |||
| McShea | 1907 | 7/26-7/31 | Portsmouth Truckers | Virginia League | , | ||
| McSorley | 1907 | 5/18-5/21 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Daniel McSurdy | mcsurd001dan | 1907 | 5/10-9/22 | Troy Trojans | New York State League | , | |
| Thomas McTighe | 1907 | 5/4-5/17 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Thomas McTighe | 1907 | 6/24-8/13 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Carl McVey | mcvey-001car | 1907 | 5/1-9/28 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| B. McWeller | 1907 | Olean Refiners | Interstate League | , | |||
| B. McWeller | 1907 | 7/30-8/13 | Birmingham Barons | Southern Association | , | ||
| McWhorter | 1907 | +4/27+ | , | ||||
| John Meade | 1907 | g. ? | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| John Meade | 1907 | g. ? | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Meagher | 1907 | 5/25 | Lyons | Empire State League | , | ||
| Meak | 1907 | 7/18 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Meander | 1907 | 36 g. | Paris Athletics | North Texas League | , | ||
| Pat Meaney | meaney002pat | 1907 | 4/8-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Bill Mecherly | 1907 | +6/15 | Spring City PA | Independent | , | ||
| Bill Mecherly | 1907 | 6/19-7/3 | Reading | Atlantic League | , | ||
| Leonard Medlenka | 1907 | Hous.-Culmore | Independent | , | |||
| Leonard Medlenka | 1907 | Hous.-Cincos | Independent | , | |||
| William Medwetzky | medwit001wil | 1907 | 5/9-8/15 | La Crosse Badgers | Wisconsin State League | , | |
| Meehan | 1907 | +5/8+ | 18 g. | New London Whalers | Connecticut State League | , | |
| Dan/Eddie? Meehan | 1907 | 6/12-7/12 | Chester/Tamaqua | Atlantic League | , | ||
| Daniel Meehan | meehan001dan | 1907 | no g. | Trenton Tigers | Tri-State League | , | |
| Daniel Meehan | meehan001dan | 1907 | 5/30 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Edward Meehan | 1907 | 47 g. | Punxsutawney Policemen | Interstate League | , | ||
| Harry Meek | meek--001her | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Harry Mehling | 1907 | 6/6-9/1 | Pottsville | Atlantic League | , | ||
| Meier | 1907 | +6/?+ | Belleville | St. Louis Trolley League | , | ||
| Meier | 1907 | 7/10-7/11 | Lincoln Treeplanters | Western League | , | ||
| Meinberg | 1907 | 7/5-7/8 | Geneva | Empire State League | , | ||
| Henry Melchoir | melchi001hen | 1907 | 4/17-8/24 | Pueblo Indians | Western League | , | |
| Henry Melchoir | melchi001hen | 1907 | 66 g. | San Francisco Seals | Pacific Coast League | , | |
| John Menefee | menefe001joh | 1907 | 5/1-8/13+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Samuel Meniece | meniec001sam | 1907 | Duluth-Kelley Hardware | , | |||
| Samuel Meniece | meniec001sam | 1907 | 6/30-7/7 | Duluth White Sox | Northern-Copper Country League | , | |
| Mennier | 1907 | 6/10-6/19 | Spartanburg Spartans | South Carolina League | , | ||
| Jack Mercer | mercer001har | 1907 | 9/11 | Springfield Babes | Central League | , | |
| Elmer Meredith | meredi001elm | 1907 | 5/11-5/26 | Webb City Goldbugs | Western Association | , | |
| Elmer Meredith | meredi001elm | 1907 | 5/28-6/14 | Columbus Discoverers | Cotton States League | , | |
| Elmer Meredith | meredi001elm | 1907 | 6/-9/6+ | Webb City Goldbugs | Western Association | , | |
| Charles Merkel | 1907 | 13 g. | Fort Worth Panthers | Texas League | , | ||
| Charles Merkel | 1907 | Topeka White Sox | Western Association | , | |||
| Arthur Merkle | merkle001art | 1907 | 8/24 | Butte Miners | Northwestern League | , | |
| Fred Merkle | merkle001fre | 1907 | 5/14-9/19 | Tecumseh | Southern Michigan League | , | |
| Fred Merkle | merkle001fre | 1907 | 9/21- | New York | National League | New York, NY | |
| Henry Merrill | 1907 | 44 g. | Lewiston | Maine State League | , | ||
| Merriman | 1907 | 5/9-6/5 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Bill Merritt | merrit001bil | 1907 | Calgary Bronchos | Western Canada League | , | ||
| Bill Merritt | merrit001bil | 1907 | Umpire | New England League | , | ||
| George Merritt | merrit002geo | 1907 | 4/25-9/24 | Jersey City Skeeters | Eastern League | , | |
| Sidney Merryman | merrym001sid | 1907 | 4/29-8/25 | Springfield Babes | Central League | , | |
| Frederick Mershon | 1907 | Trenton MO | Independent | , | |||
| John Mertens | merten002joh | 1907 | Quincy Gems | Iowa League | , | ||
| Sam Mertes | mertes001sam | 1907 | 4/22-9/16 | Minneapolis Millers | American Association | , | |
| Bobby Messenger | messen001cha | 1907 | Fall River Indians | New England League | , | ||
| Tom Messitt | messit001tom | 1907 | , | ||||
| Monte Method | method001bel | 1907 | 5/14-9/15 | Kalamazoo White Sox | Southern Michigan League | , | |
| Benjamin Metz | 1907 | 5/2 | Omaha Rourkes | Western League | , | ||
| Benjamin Metz | 1907 | +6/13-9/15 | Trinidad CO | Independent | , | ||
| Lewis Metz | metz--001lou | 1907 | 5/13-5/20 | Roanoke Tigers | Virginia League | , | |
| Lewis Metz | metz--001lou | 1907 | 6/4-6/24 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Lewis Metz | metz--001lou | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Benny Meyer | meyer-001ber | 1907 | 134 g. | Seattle Siwashes | Northwestern League | , | |
| Lee Meyer | meyer-001leo | 1907 | Cincinnati | National League | Cincinnati, OH | ||
| Meyers | 1907 | 6/13-6/26 | Hutchinson Salt Packers | Western Association | , | ||
| Albert Meyers | 1907 | 5/17-9/2 | Houghton Giants | Northern-Copper Country League | , | ||
| Jack Meyers | meyers005joh | 1907 | -3/18 | San Diego | California Winter League | , | |
| Jack Meyers | meyers005joh | 1907 | 90 g. | Butte Miners | Northwestern League | , | |
| Maurice Meyers | 1907 | Kalamazoo White Sox | Southern Michigan League | , | |||
| Frank Michaels | 1907 | no g. | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Frank Michaels | 1907 | 5/2-5/21 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Michel/Mitchell | 1907 | 7/30 | La Crosse Badgers | Wisconsin State League | , | ||
| Charlie Middleton | middle002cha | 1907 | 4/29 | Canton Chinamen | Central League | , | |
| Charlie Middleton | middle002cha | 1907 | 5/1-7/7 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Charlie Middleton | middle002cha | 1907 | 7/21-9/15 | Marshalltown Snappers | Iowa League | , | |
| Pop Middleton | 1907 | 5/15-8/4 | Allentown | Atlantic League | , | ||
| Pop Middleton | 1907 | 8/20-9/8 | Brooklyn | Atlantic League | , | ||
| Robert Middleton | 1907 | +6/2-9/19+ | Leavenworth Convicts | Western Association | , | ||
| Miers | 1907 | 5/20-6/2 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Clyde Milan | milan-001jes | 1907 | 5/2-8/16 | Wichita Jobbers | Western Association | , | |
| Clyde Milan | milan-001jes | 1907 | 8/19- | 48 g. | Washington | American League | Washington, DC |
| Thomas Milan | 1907 | 4/26-4/29 | Worcester Busters | New England League | , | ||
| Albert Milbert | 1907 | 5/1-7/25+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Albert Milbert | 1907 | +8/2+ | 51 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Albert Milbert | 1907 | 8/20-8/22 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Francis Miley | 1907 | 8/12 | Geneva | Empire State League | , | ||
| Miller | 1907 | St. Paul Saints | American Association | , | |||
| Miller | 1907 | 7/3-7/4 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Miller | 1907 | 6/18-6/20 | Providence Grays | Eastern League | , | ||
| Miller | 1907 | 5/10 | Pueblo Indians | Western League | , | ||
| Miller | 1907 | 5/15 | Vancouver Canucks | Northwestern League | , | ||
| Miller | 1907 | 7/3 | Seneca Falls | Empire State League | , | ||
| Miller | 1907 | 5/16-5/19 | Lincoln Treeplanters | Western League | , | ||
| Miller | 1907 | 7/23 | Burlington Pathfinders | Iowa League | , | ||
| Miller | 1907 | 7/23-7/26 | La Crosse Badgers | Wisconsin State League | , | ||
| Miller | 1907 | 5/1-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| Miller | 1907 | 8/11-8/14 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Miller | 1907 | 1 g. | Meridian Ribboners | Cotton States League | , | ||
| Al Miller | miller005al- | 1907 | 4/25-9/ | Wheeling Stogies | Central League | , | |
| Archie Miller | 1907 | 5/17-5/18 | Easton | Atlantic League | , | ||
| Archie Miller | 1907 | 54 g. | Franklin Millionaires | Interstate League | , | ||
| Arthur?/George? Miller | 1907 | 7/7-8/6 | Kalamazoo White Sox | Southern Michigan League | , | ||
| C. Miller | 1907 | 5/4-5/22 | Easton | Atlantic League | , | ||
| C. Miller | 1907 | 5/9-6/9 | Green Bay Orphans | Wisconsin State League | , | ||
| C. Miller | 1907 | 6/11-7/5 | Oshkosh Indians | Wisconsin State League | , | ||
| C. Miller | 1907 | 7/21 | Des Moines Champs | Western League | , | ||
| Charles Miller | 1907 | LancCo | , | ||||
| Charles Miller | 1907 | 8/20 | Reading | Atlantic League | , | ||
| Charles Miller | 1907 | 119 g. | Dallas Giants | Texas League | , | ||
| Doc Miller | miller004roy | 1907 | 5/28-9/21 | Syracuse Stars | New York State League | , | |
| Dots Miller | miller008joh | 1907 | Kearney NJ | Independent | , | ||
| Dusty Miller | miller004cha | 1907 | 4/10-9/14 | Little Rock Travelers | Southern Association | , | |
| Dusty Miller | miller001dak | 1907 | 138 g. | Little Rock Travelers | Southern Association | , | |
| Frank Miller | 1907 | 5/17-9/2 | Houghton Giants | Northern-Copper Country League | , | ||
| Frank Miller | 1907 | 9/14-9/22 | Green Bay Orphans | Wisconsin State League | , | ||
| Fred Miller | miller004fre | 1907 | no g. | Pittsburgh | National League | Pittsburgh, PA | |
| Fred Miller | miller004fre | 1907 | 5/- | 8 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , |
| Fred Miller | miller004fre | 1907 | 7/2-9/17 | Jackson Senators | Cotton States League | , | |
| George Miller | miller001geo | 1907 | 27 g. | Wheeling Stogies | Central League | , | |
| George Miller | 1907 | 5/4-8/31 | Umpire | Atlantic League | , | ||
| Howard Miller | 1907 | 5/8-5/14 | Pottsville | Atlantic League | , | ||
| Jacob Miller | miller005jac | 1907 | 7/4-9/22 | Wausau Lumberjacks | Wisconsin State League | , | |
| Jim Miller | miller016jam | 1907 | 5/1- | 67 g. | Washington | Pennsylvania-Ohio-Maryland League | , |
| John Miller | 1907 | 9/4 | Mattoon Giants | Eastern Illinois League | , | ||
| Joseph Miller | miller008jos | 1907 | 5/12-6/19 | Freeport Pretzels | Wisconsin State League | , | |
| Kohly Miller | miller001koh | 1907 | 5/1- | 79 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Leroy Miller | 1907 | no g. | Syracuse Stars | New York State League | , | ||
| Leroy Miller | 1907 | Alba.-JBFinns | Independent | , | |||
| Pearl Miller | miller001pea | 1907 | 9/2-9/4 | Toledo Mud Hens | American Association | , | |
| Raymond Miller | 1907 | +5/30+ | Pittsburgh College | College | , | ||
| Raymond Miller | 1907 | 6/-9/14 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Reddy Miller | 1907 | 5/22-7/24 | Allentown | Atlantic League | , | ||
| Reddy Miller | 1907 | 6/30 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Roscoe Miller | miller001ros | 1907 | 4/22-9/13 | Des Moines Champs | Western League | , | |
| S. Miller | 1907 | 8 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Samuel Miller | miller001sam | 1907 | +6/1+ | Springfield Ponies | Connecticut State League | , | |
| Theodore Miller | 1907 | 5/30-9/8 | Elizabeth | Atlantic League | , | ||
| W. A. Miller | 1907 | 5/12-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| W. H. Miller | 1907 | Franklin Millionaires | Interstate League | , | |||
| W. H. Miller | 1907 | 8/7-9/8 | Reading | Atlantic League | , | ||
| W. H. Miller | 1907 | 9/14-9/21 | Wilkes-Barre Barons | New York State League | , | ||
| Walter Miller | miller005wal | 1907 | 4/27-9/15 | Grand Rapids Wolverines | Central League | , | |
| Ward Miller | miller002war | 1907 | 81 g. | Madison Senators | Wisconsin State League | , | |
| Warren? Miller | 1907 | 5/2-5/3 | Williamsport Millionaires | Tri-State League | , | ||
| William Miller | miller003wil | 1907 | 5/1-9/14 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| William Miller | miller003wil | 1907 | Bangor | Blue Mountain League | , | ||
| Pat Millerick | miller002pat | 1907 | 5/9-9/22 | Albany Senators | New York State League | , | |
| Billy Milligan | millig002wil | 1907 | 5/1-9/24 | Buffalo Bisons | Eastern League | , | |
| Krozer Milliman | 1907 | 9/2 | Johnstown Johnnies | Tri-State League | , | ||
| Charles Mills | 1907 | 5/12-7/1 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Charles Mills | 1907 | 8/25-9/2? | Pana Coal Miners | Eastern Illinois League | , | ||
| Willie Mills | mills-004wil | 1907 | 5/7-5/20 | Nashville Volunteers | Southern Association | , | |
| Willie Mills | mills-004wil | 1907 | 6/6-6/12 | Charleston Sea Gulls | South Atlantic League | , | |
| Larry Milton | milton001sam | 1907 | 5/2-5/20 | Columbus Discoverers | Cotton States League | , | |
| Larry Milton | milton001sam | 1907 | 5/24-9/22 | Webb City Goldbugs | Western Association | , | |
| Mims | 1907 | 4 g. | Terrell Red Stockings | North Texas League | , | ||
| Cotton Minahan | minaha001edm | 1907 | 4/21-5/15 | Cincinnati | National League | Cincinnati, OH | |
| Cotton Minahan | minaha001edm | 1907 | 7/10-9/15 | St. Paul Saints | American Association | , | |
| Ed Minnehan | 1907 | Umpire | New York State League | , | |||
| Charles Minor | minor-002c-- | 1907 | 4/27-9/15 | Terre Haute Hottentots | Central League | , | |
| Misenberger | 1907 | 5/1-5/4 | Butler White Sox | Western Pennsylvania League | , | ||
| John Misse | 1907 | 5/7-9/15 | Marshalltown Snappers | Iowa League | , | ||
| Mitchell | 1907 | 6/7 | Lowell Tigers | New England League | , | ||
| Felton Mitchell | mitche001fel | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Fred Mitchell | mitche005fre | 1907 | 5/1-9/21 | Toronto Maple Leafs | Eastern League | , | |
| G. Mitchell | 1907 | 6/22-7/13 | Jackson Convicts | Southern Michigan League | , | ||
| John? Mitchell | 1907 | 8/1-8/31 | Reading | Atlantic League | , | ||
| Joseph Mitchell | 1907 | 5/14-9/22 | Tecumseh | Southern Michigan League | , | ||
| Mike Mitchell | mitche002mic | 1907 | Cincinnati | National League | Cincinnati, OH | ||
| Howard Mitinger | 1907 | Penn State Univ. | College | , | |||
| Carl Mitze | mitze-001car | 1907 | 100 g. | Oskaloosa Quakers | Iowa League | , | |
| Ora Mize | mize--001ora | 1907 | Artesia NM | Independent | , | ||
| Homer Mock | mock--001hom | 1907 | 5/8-8/19 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Homer Mock | mock--001hom | 1907 | 8/31-9/23 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Danny Moeller | moelle001dan | 1907 | 6/17-9/22 | Troy Trojans | New York State League | , | |
| Danny Moeller | moelle001dan | 1907 | 9/24- | 11 g. | Pittsburgh | National League | Pittsburgh, PA |
| Frank Moffett | moffet001fra | 1907-10 | U. of Tennessee | College | , | ||
| Frank Moffett | moffet001fra | 1907 | Chattanooga TN | Independent | , | ||
| Frank Moffett | moffet001fra | 1907 | 6/24-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Lynn Moffett | 1907 | +5/17+ | 29 g. | Hartford Senators | Connecticut State League | , | |
| Lynn Moffett | 1907 | +6/22+ | Crafton PA | Independent | , | ||
| Lynn Moffett | 1907 | +7/3+ | 19 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Lynn Moffett | 1907 | 7/27 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Elmer Moffitt | moffit001elm | 1907 | 4/27-9/22 | Toronto Maple Leafs | Eastern League | , | |
| Logan Moffitt | 1907 | 7 g. | Greenville Hunters | North Texas League | , | ||
| Kitty Mogg | 1907 | +9/2+ | MtCl.-Dad’s | Independent | , | ||
| Kid Mohler | mohler001kid | 1907 | San Francisco Seals | Pacific Coast League | , | ||
| Carlton Molesworth | molesw001car | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Jose Molina | 1907 | 5/4-9/2 | Brooklyn | Atlantic League | , | ||
| Monahan | 1907 | 5/1-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Monahan | 1907 | 5/28-6/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Monehan | 1907 | 5/7-5/27 | Quincy Gems | Iowa League | , | ||
| Monehan | 1907 | 6/17-6/26 | Quincy Gems | Iowa League | , | ||
| Gus Monet | 1907 | +5/05-5/19+ | Buff.-Travelers | Independent | , | ||
| Gus Monet | 1907 | 5/25-9/7 | Lyons | Empire State League | , | ||
| Roy Monroe | monroe002r-- | 1907 | 103 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| Montague | 1907 | 5/21 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| George Montague | 1907 | 5/24-5/25 | Seneca Falls | Empire State League | , | ||
| George Montague | 1907 | 7/27 | Lyons | Empire State League | , | ||
| George Montague | 1907 | 8/12-8/22 | Seneca Falls | Empire State League | , | ||
| Benton Montgomery | 1907 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Milton Montgomery | montgo001mil | 1907 | Punxsutawney Policemen | Interstate League | , | ||
| Milton Montgomery | montgo001mil | 1907 | 8/5- | 28 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , |
| Roy Montgomery | montgo001roy | 1907 | 4/9-5/29 | Birmingham Barons | Southern Association | , | |
| Roy Montgomery | montgo001roy | 1907 | 5/30-9/18 | Jackson Senators | Cotton States League | , | |
| Harry Moody | moody-001har | 1907 | 5/7-8/6 | Oskaloosa Quakers | Iowa League | , | |
| Harry Moody | moody-001har | 1907 | 8/10-8/11 | Marshalltown Snappers | Iowa League | , | |
| Harry Moody | moody-001har | 1907 | 8/12-9/12 | Oskaloosa Quakers | Iowa League | , | |
| Moore | 1907 | 5/236/7 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Moore | 1907 | Lynchburg Shoemakers | Virginia League | , | |||
| Moore | 1907 | Norfolk Tars | Virginia League | , | |||
| Moore | 1907 | 28 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Moore | 1907 | 6/2-6/9 | Binghamton Bingoes | New York State League | , | ||
| Moore | 1907 | 6/14-6/15 | Troy Trojans | New York State League | , | ||
| Moore | 1907 | 5/28 | Greenville Mountaineers | South Carolina League | , | ||
| Moore | 1907 | 6/6-6/24 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Moore | 1907 | 7/30 | Oskaloosa Quakers | Iowa League | , | ||
| Earl Moore | moore-001ear | 1907 | 3 g. | Cleveland | American League | Cleveland, OH | |
| Earl Moore | moore-001ear | 1907 | 12 g. | New York | American League | New York, NY | |
| Earl Moore | moore-001ear | 1907 | 8/16-9/24 | Jersey City Skeeters | Eastern League | , | |
| Eugene Moore | 1907 | 4/26-8/15+ | South Bend Greens | Central League | , | ||
| Frank Moore | moore-004geo | 1907 | 5/9-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Frederick Moore | moore-001fre | 1907 | 95 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Gene Moore | moore-005eug | 1907 | 6 g. | Dallas Giants | Texas League | , | |
| Harry Moore | 1907 | 4/27-9/7 | Lynn Shoemakers | New England League | , | ||
| John Moore | moore-009joh | 1907 | 5/10-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| John Moore | 1907 | 4/17-6/26 | Denver Grizzlies | Western League | , | ||
| Joseph Moore | 1907 | 8/1-8/5 | Portsmouth Truckers | Virginia League | , | ||
| Larry Moore | 1907 | 4/8-5/15 | Jacksonville Jays | South Atlantic League | , | ||
| Larry Moore | 1907 | 6/25-7/9 | Jacksonville Jays | South Atlantic League | , | ||
| Larry Moore | 1907 | 7/15-7/24 | Columbia Gamecocks | South Atlantic League | , | ||
| Paul Moore | moore-001pau | 1907 | 5/5-9/14 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Shef Moore | moore-001s-- | 1907 | 5/31-7/4 | Columbia Gamecocks | South Atlantic League | , | |
| Shef Moore | moore-001s-- | 1907 | 7/9 | Chester SC | Independent | , | |
| Shef Moore | moore-001s-- | 1907 | 8/1-8/3 | Lynchburg Shoemakers | Virginia League | , | |
| Shef Moore | moore-001s-- | 1907 | 8/8-8/10 | Norfolk Tars | Virginia League | , | |
| Snake Moore | 1907 | 5/12-8/16 | Taylorville Tailors | Eastern Illinois League | , | ||
| Wade Moore | moore-001wad | 1907 | 87 g. | Houston Buffaloes | Texas League | , | |
| Walter Moore | 1907 | 4/26-9/ | Terre Haute Hottentots | Central League | , | ||
| William Moore | 1907 | +4/20+ | Villanova Col. | College | , | ||
| William Moore | 1907 | 75 g. | Waterbury Authors | Connecticut State League | , | ||
| Zeke Moore | moore-001zek | 1907 | 5/11-5/26 | Umpire | Illinois-Indiana-Iowa League | , | |
| Tommy Moorehead | 1907 | Chatham | Lackawanna | , | |||
| Tommy Moorehead | 1907 | 6/17-6/21 | Newark | Atlantic League | , | ||
| Tommy Moorehead | 1907 | Chatham | Lackawanna | , | |||
| James Moorhead | moorhe001jam | 1907 | 4/29-9/7 | New Bedford Whalers | New England League | , | |
| Moran | 1907 | 8/30-9/5 | Pottsville | Atlantic League | , | ||
| Augie Moran | moran-002aug | 1907 | 4/24-9/13 | Umpire | Tri-State League | , | |
| Charles Moran | moran-003cha | 1907 | 4/24-9/24 | Rochester Bronchos | Eastern League | , | |
| Charlie Moran | moran-002cha | 1907 | 4/26-9/15 | Grand Rapids Wolverines | Central League | , | |
| Herbie Moran | moran-002joh | 1907 | DuBois Miners | Interstate League | , | ||
| Herbie Moran | moran-002joh | 1907 | 8/10-9/14 | Trenton Tigers | Tri-State League | , | |
| Patrick Moran | moran-004pat | 1907 | 5/1-6/29 | Connellsville Cokers | Western Pennsylvania League | , | |
| Patrick Moran | moran-004pat | 1907 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Patrick Moran | moran-004pat | 1907 | 7/12 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Patrick Moran | moran-004pat | 1907 | 8/2-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Roy Moran | 1907 | 5/1-5/13 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Roy Moran | 1907 | 5/16-9/15 | Jacksonville Lunatics | Iowa League | , | ||
| Bill More | 1907 | Bridgeton NJ | Independent | , | |||
| Forrest More | more--001for | 1907 | 5/9-9/14 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Lew Moren | moren-001lew | 1907 | 37 g. | Philadelphia | National League | Philadelphia, PA | |
| Morgan | 1907 | 4 g. | Paris Athletics | North Texas League | , | ||
| Morgan | 1907 | 5/2 | Webb City Goldbugs | Western Association | , | ||
| Morgan | 1907 | +5/8+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Alexander Morgan | 1907 | 7/2-7/9 | Taylorville Tailors | Eastern Illinois League | , | ||
| Amos Morgan | morgan001amo | 1907 | 4/17-7/29 | Pueblo Indians | Western League | , | |
| Charles Morgan | 1907 | 5/26-5/27 | Ottumwa Packers | Iowa League | , | ||
| Charles Morgan | 1907 | 5/30-7/5 | Keokuk Indians | Iowa League | , | ||
| Cy Morgan | morgan003har | 1907 | 10 g. | St. Louis | American League | St. Louis, MO | |
| Cy Morgan | morgan003har | 1907 | 16 g. | Boston | American League | Boston, MA | |
| James Morgan | morgan001rus | 1907 | 5/1- | 107 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , |
| Red Morgan | morgan003jam | 1907 | 5/5-9/24 | Montreal Royals | Eastern League | , | |
| Bill Moriarty | moriar002wil | 1907 | 66 g. | San Francisco Seals | Pacific Coast League | , | |
| George Moriarty | moriar003geo | 1907 | New York | American League | New York, NY | ||
| Jim Moroney | morone002jam | 1907 | Miami FL | Independent | , | ||
| Jim Moroney | morone002jam | 1907 | 4/26-5/17 | Lawrence Colts | New England League | , | |
| Jim Moroney | morone002jam | 1907 | Augusta | Maine State League | , | ||
| Jim Moroney | morone002jam | 1907 | 8/3-9/6 | Oswego | Empire State League | , | |
| Morris | morris045--- | 1907 | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Charlie Morris | 1907 | 5/20-5/22 | Orangeburg Edistoes | South Carolina League | , | ||
| Charlie Morris | 1907 | 5/27-6/5 | Spartanburg Spartans | South Carolina League | , | ||
| Charlie Morris | 1907 | Gastonia NC | Independent | , | |||
| Dummy Morris | 1907 | 6/14-6/23 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Dummy Morris | 1907 | 7/2-7/9 | Butler White Sox | Western Pennsylvania League | , | ||
| George Morris | 1907 | 8/20-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Johnny Morris | 1907 | Anaconda MT | Independent | , | |||
| Johnny Morris | 1907 | 9/1-9/8 | Butte Miners | Northwestern League | , | ||
| Tommy Morris | 1907 | 5/30 | Terre Haute Hottentots | Central League | , | ||
| Walter Morris | morris010joh | 1907 | 4/18-9/3 | Savannah Indians | South Atlantic League | , | |
| Morrison | 1907 | 5/4-5/11 | Easton | Atlantic League | , | ||
| Morrison | 1907 | 6/6-6/19 | Scottdale Giants | Western Pennsylvania League | , | ||
| Morrison | 1907 | 4/18-5/8 | Portsmouth Truckers | Virginia League | , | ||
| Morrison | 1907 | 5/13-7/9 | Roanoke Tigers | Virginia League | , | ||
| John Morrison | morris015joh | 1907 | Lethbridge Miners | Western Canada League | , | ||
| Morrissey | 1907 | 8/6-8/7 | Vicksburg Hill Billies | Cotton States League | , | ||
| Chester Morrissey | 1907 | Syracuse Univ. | College | , | |||
| Chester Morrissey | 1907 | 5/24-9/6 | Seneca Falls | Empire State League | , | ||
| Frank Morrissey | morris003mic | 1907 | 4/19-9/20 | Roanoke Tigers | Virginia League | , | |
| J. Morrissey | 1907 | Syracuse Univ. | College | , | |||
| J. Morrissey | 1907 | 8/23-8/24 | Seneca Falls | Empire State League | , | ||
| Jack Morrissey | morris016joh | 1907 | 5/14-9/21 | Lansing Senators | Southern Michigan League | , | |
| W. Morrow | 1907 | 8/15 | Seattle Siwashes | Northwestern League | , | ||
| William Morrow | morrow002wil | 1907 | 5/9-5/13 | Oshkosh Indians | Wisconsin State League | , | |
| William Morrow | morrow002wil | 1907 | 5/15-5/18 | Fond du Lac Webfoots | Wisconsin State League | , | |
| William Morrow | morrow002wil | 1907 | 6/1-6/7 | Oshkosh Indians | Wisconsin State League | , | |
| Charles Morse | morse-001cha | 1907 | 8/- | 6 g. | Pine Tree | Maine State League | , |
| Frank Morse | morse-001fra | 1907 | 4/10-7/2 | Nashville Volunteers | Southern Association | , | |
| Frank Morse | morse-001fra | 1907 | 8/30-9/14 | Nashville Volunteers | Southern Association | , | |
| Ralph Mortenson | 1907 | 5/12-5/24 | Pana Coal Miners | Eastern Illinois League | , | ||
| Ralph Mortenson | 1907 | 5/27-6/1 | Centralia White Stockings/Paris Colts | Eastern Illinois League | , | ||
| Mortesen | 1907 | 5/27-5/29 | Meridian Ribboners | Cotton States League | , | ||
| Morton | 1907 | 3 g. | Evansville River Rats | Central League | , | ||
| Walter Moser | moser-001wal | 1907 | 4/25-9/13 | Trenton Tigers | Tri-State League | , | |
| Walter Moser | moser-001wal | 1907 | 9/20-9/24 | Providence Grays | Eastern League | , | |
| Doc Moskiman | moskim001wil | 1907 | Stockton | California League | , | ||
| Charles Moss | moss--003cha | 1907 | 4/18-8/28 | Portsmouth Truckers | Virginia League | , | |
| Virgil Moss | 1907 | 5/2-5/12+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Anson Mott | mott--002ans | 1907 | 4/20-4/30 | Seattle Siwashes | Northwestern League | , | |
| Anson Mott | mott--002ans | 1907 | 146 g. | Portland Beavers | Pacific Coast League | , | |
| Mike Mowrey | mowrey001har | 1907 | 138 g. | Cincinnati | National League | Cincinnati, OH | |
| A. Moyne | 1907 | 18 g. | Edmonton Grays | Western Canada League | , | ||
| James Moynihan | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Jimmy Moynihan | 1907 | 5/14-5/16 | Syracuse Stars | New York State League | , | ||
| Muelle | 1907 | 9/8 | La Crosse Badgers | Wisconsin State League | , | ||
| Mueller | 1907 | 7/28,8/25 | Scottdale Giants | Western Pennsylvania League | , | ||
| Arthur? Mueller | 1907 | 8/13-9/13+ | Hartford Senators | Connecticut State League | , | ||
| Walter Mueller | muelle002wal | 1907 | 4/28-5/21 | Baltimore Orioles | Eastern League | , | |
| Matthew Muldowney | 1907 | 5/1-6/19 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Matthew Muldowney | 1907 | 6/23-9/15 | Springfield Babes | Central League | , | ||
| John Mulgrew | 1907 | 4/17-9/15 | Louisville Colonels | American Association | , | ||
| Cy Mulkey | mulkey001cyr | 1907 | Austin College | College | , | ||
| Cy Mulkey | mulkey001cyr | 1907 | Sulphur IT | Independent | , | ||
| Cy Mulkey | mulkey001cyr | 1907 | 1 g. | Terrell Red Stockings | North Texas League | , | |
| Frank Mullane | mullan001fra | 1907 | 5/16-6/9 | Calumet Aristocrats | Northern-Copper Country League | , | |
| Frank Mullane | mullan001fra | 1907 | Grafton | Independent | , | ||
| Frank Mullane | mullan001fra | 1907 | 9/6 | Green Bay Orphans | Wisconsin State League | , | |
| Jack Mullane | 1907 | 4/20-5/3 | Umpire | Northwestern League | , | ||
| Dominic Mullaney | mullan002dom | 1907 | 4/8-7/26 | Jacksonville Jays | South Atlantic League | , | |
| Ed Mullaney | mullan001edw | 1907 | 4/26-9/7 | New Bedford Whalers | New England League | , | |
| Jim Mullen | mullin001jam | 1907 | 4/28-9/22 | Newark Sailors | Eastern League | , | |
| John Mullen | 1907 | 5/1- | Umpire | Pennsylvania-Ohio-Maryland League | , | ||
| Muller | 1907 | +5/7+ | Baltimore Orioles | Eastern League | , | ||
| Muller | 1907 | 14 g. | Hartford Senators | Connecticut State League | , | ||
| Muller | 1907 | 7/9-7/24 | Allentown | Atlantic League | , | ||
| Muller | 1907 | +9/18+ | Green Bay Orphans | Wisconsin State League | , | ||
| Arthur Mullin | mullin001art | 1907 | 5/19-7/14 | Jackson Convicts | Southern Michigan League | , | |
| Arthur Mullin | mullin001art | 1907 | +8/11+ | Toledo All Pros | Independent | , | |
| John Mullin | mullin001joh | 1907 | 4/8-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Gustave Munch | 1907 | Chic-West Ends | Chicago City League | , | |||
| Howard Mundorff | 1907 | Boise | Idaho State League | , | |||
| Howard Mundorff | 1907 | 9/2-9/9 | Tacoma Tigers | Northwestern League | , | ||
| Howard Mundorff | 1907 | 9/10-10/7 | Butte Miners | Northwestern League | , | ||
| Red Munson | munson001cla | 1907 | 4/27-9/15 | Dayton Veterans | Central League | , | |
| Red Murch | murch-001rob | 1907 | 4/11-9/18 | Gulfport Crabs | Cotton States League | , | |
| Simmy Murch | murch-001sim | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Wilbur Murdoch | murdoc001wil | 1907 | 125 g. | Macon Brigands | South Atlantic League | , | |
| Tim Murnane | murnan001tim | 1907 | President | New England League | , | ||
| Murphy | 1907 | 5/13 | Wilkes-Barre Barons | New York State League | , | ||
| Murphy | 1907 | 6/21-6/28 | Newark | Atlantic League | , | ||
| Murphy | 1907 | 7/20-9/8 | Easton | Atlantic League | , | ||
| Murphy | 1907 | 7/21 | Pueblo Indians | Western League | , | ||
| Murphy | 1907 | 7/4-7/10 | Lyons | Empire State League | , | ||
| Murphy | 1907 | 7/13-7/17 | Geneva | Empire State League | , | ||
| Murphy | 1907 | 5/8-9/2 | Fairmont Champions | Western Pennsylvania League | , | ||
| Murphy | 1907 | +5/8-5/22+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Dave Murphy | murphy001dav | 1907 | 6/21-9/6 | Auburn | Empire State League | , | |
| Ed Murphy | murphy005edw | 1907 | -9/14 | 76 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Edward Murphy | murphy003edw | 1907 | 5/1-6/15 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Edward Murphy | murphy003edw | 1907 | 7/21-7/27 | Akron Champs | Ohio-Pennsylvania League | , | |
| Frank Murphy | murphy004fra | 1907 | 85 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Henry Murphy | 1907 | 7/1- | Umpire | Wisconsin State League | , | ||
| Howard Murphy | murphy001how | 1907 | 4/19-9/7 | Denver Grizzlies | Western League | , | |
| J. Murphy | 1907 | 8/10 | Lyons | Empire State League | , | ||
| J. Murphy | 1907 | 8/13-9/5 | Seneca Falls | Empire State League | , | ||
| Patrick Murphy | murphy003pat | 1907 | 5/8-8/8 | Allentown | Atlantic League | , | |
| Patrick Murphy | murphy003pat | 1907 | 8/15-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Thomas Murphy | murphy001tho | 1907 | 7/16 | Lowell Tigers | New England League | , | |
| Tom Murphy | 1907 | 5/24-9/7 | Oswego | Empire State League | , | ||
| Alexander Murray | murray001ale | 1907 | Exhibition | Indianapolis Indians | American Association | , | |
| Alexander Murray | murray001ale | 1907 | 5/12-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Alf Murray | 1907 | Wash.&Jeff. Col. | College | , | |||
| Alf Murray | 1907 | 7/24- | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Billy Murray | murray007wil | 1907 | Philadelphia | National League | Philadelphia, PA | ||
| Ernest Murray | murray001ern | 1907 | 5/13-6/1 | Binghamton Bingoes | New York State League | , | |
| Ernest Murray | murray001ern | 1907 | Lynchburg Shoemakers | Virginia League | , | ||
| James J.? Murray | 1907 | 7/5-9/4 | Newark | Atlantic League | , | ||
| Jim Murray | murray008jam | 1907 | 4/24-9/24 | Buffalo Bisons | Eastern League | , | |
| John Murray | murray012joh | 1907 | 6/13- | Geneva | Empire State League | , | |
| John Murray | murray002j-- | 1907 | 5/2-9/22 | Springfield Midgets | Western Association | , | |
| Red Murray | murray002joh | 1907 | St. Louis | National League | St. Louis, MO | ||
| Red Murray | 1907 | 5/24-7/4 | Geneva | Empire State League | , | ||
| Thomas Murray | 1907 | -9/14 | 55 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Marvin Murrow | 1907 | 5/20-8/19 | Sumter Gamecocks | South Carolina League | , | ||
| William Mutter | mutter001wil | 1907 | 16 g. | Houghton Giants | Northern-Copper Country League | , | |
| Myers | 1907 | Vicksburg Hill Billies | Cotton States League | , | |||
| Myers | 1907 | 9/5 | Montgomery Senators | Southern Association | , | ||
| Myers | 1907 | 5/10-5/20 | Oskaloosa Quakers | Iowa League | , | ||
| Myers | 1907 | 5/20-5/26 | Umpire | Oklahoma-Arkansas-Kansas League | , | ||
| Bade Myers | myers-002wil | 1907 | 4/27-9/15 | Canton Chinamen | Central League | , | |
| Edward Myers | 1907 | 5/7-9/16 | Vicksburg Hill Billies | Cotton States League | , | ||
| Henry Myers | 1907 | 34 g. | Canton Chinamen | Central League | , | ||
| John Myers | meyers004joh | 1907 | 5/1-9/8+ | Canton Chinamen | Central League | , | |
| Joseph Myers | myers-002jos | 1907 | 4/26-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Joseph Myers | myers-002jos | 1907 | 7/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Tommy Mylett | mylett002tho | 1907 | 5/1-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Mzroney | 1907 | , | |||||
| Phil Nadeau | nadeau001phi | 1907 | 4/10-8/13 | New Orleans Pelicans | Southern Association | , | |
| Phil Nadeau | nadeau001phi | 1907 | 8/19-9/14 | Montgomery Senators | Southern Association | , | |
| Nagel/le | 1907 | 5/9 | Burlington Pathfinders | Iowa League | , | ||
| Nagel/le | 1907 | 8/21 | Waterloo Cubs | Iowa League | , | ||
| Nagle | 1907 | 5/1-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Nagle | 1907 | 5/4-5/25 | Easton | Atlantic League | , | ||
| Nagle | 1907 | 6/6 | Chester/Tamaqua | Atlantic League | , | ||
| A. J. Nagle | 1907 | Butler White Sox | Western Pennsylvania League | , | |||
| Alex Nagle | 1907 | 52 g. | Waco Navigators | Texas League | , | ||
| Andrew Nagle | nagle-001and | 1907 | 52 g. | Waco Navigators | Texas League | , | |
| James Nagle | 1907 | 5/11-9/21 | Wausau Lumberjacks | Wisconsin State League | , | ||
| James Nagle | 1907 | Toledo Mud Hens | American Association | , | |||
| Paul Nagle | nagle-001lef | 1907 | 21 g. | Edmonton Grays | Western Canada League | , | |
| Richard Nallin | nallin001ric | 1907 | 5/1-8/6 | Akron Champs | Ohio-Pennsylvania League | , | |
| Richard Nallin | nallin001ric | 1907 | 8/11-9/15+ | Youngstown Champs | Ohio-Pennsylvania League | , | |
| William Nance | nance-001wil | 1907 | 4/29-6/10 | Trenton Tigers | Tri-State League | , | |
| William Nance | nance-001wil | 1907 | 7/12-9/14 | Sioux City Packers | Western League | , | |
| Nash | 1907 | 5/7-5/23 | Quincy Gems | Iowa League | , | ||
| Billy Nattress | nattre001wil | 1907 | 134 g. | Buffalo Bisons | Eastern League | , | |
| Arthur Naylor | 1907 | 15 g. | Fort Worth Panthers | Texas League | , | ||
| Taylor Naylor | 1907 | 16 g. | Fort Worth Panthers | Texas League | , | ||
| Harry Neal | 1907 | 7/17-7/19 | Battle Creek Crickets | Southern Michigan League | , | ||
| Offa Neal | neal--002the | 1907 | 4/17-6/9 | Louisville Colonels | American Association | , | |
| Offa Neal | neal--002the | 1907 | 8/28- | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| William Neal | neal--002wil | 1907 | 29 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Nebbett | 1907 | 5/8-5/10 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Nebbett | 1907 | 5/11-5/15+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Richard Nebinger | 1907 | U. West Virginia | College | , | |||
| Richard Nebinger | 1907 | 5/1-6/3 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Richard Nebinger | 1907 | 6/13-7/23 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Richard Nebinger | 1907 | 7/30-8/1 | Akron Champs | Ohio-Pennsylvania League | , | ||
| Richard Nebinger | 1907 | 8/7-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| John Nee | 1907 | +5/31-7/18+ | Springfield Midgets | Western Association | , | ||
| John Nee | 1907 | 7/24-8/7+ | Webb City Goldbugs | Western Association | , | ||
| George Needham | needha001geo | 1907 | 4/24-6/27 | Montreal Royals | Eastern League | , | |
| George Needham | needha001geo | 1907 | 7/6-7/12 | Buffalo Bisons | Eastern League | , | |
| George Needham | needha001geo | 1907 | 7/14-9/24 | Montreal Royals | Eastern League | , | |
| Tom Needham | needha001tho | 1907 | Boston | National League | Boston, MA | ||
| Lloyd Nefeau | nefeau001llo | 1907 | 5/13- | Lynchburg Shoemakers | Virginia League | , | |
| Lloyd Nefeau | nefeau001llo | 1907 | 5/26-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Edward Nehr | neher-001ed- | 1907 | +7/12+ | Devil’s Lake ND | Independent | , | |
| Edward Nehr | neher-001ed- | 1907 | Minot | Independent | , | ||
| Fred Nehring | nehrin001fre | 1907 | 110 g. | Hartford Senators | Connecticut State League | , | |
| Neidenfuehr | 1907 | 9/12- | St. Paul Saints | American Association | , | ||
| Cecil Neighbors | neighb001fle | 1907 | 4/10-9/14 | Memphis Egyptians | Southern Association | , | |
| Neilson | 1907 | 6/11 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Fred Neiman | neiman001fre | 1907 | Chic.-Arisians | Chicago City League | , | ||
| Clarence Nelson | nelson001cla | 1907 | 6/5-7/15 | Nashville Volunteers | Southern Association | , | |
| Clarence Nelson | nelson001cla | 1907 | 7/20-9/2 | Augusta Tourists | South Atlantic League | , | |
| Clarence Nelson | nelson001cla | 1907 | 6 g. | Austin Senators | Texas League | , | |
| Clarence Nelson | nelson001cla | 1907 | Ponca City OK | Independent | , | ||
| Harry Nelson | 1907 | Vancouver Canucks | Northwestern League | , | |||
| Harry Nelson | 1907 | Tacoma Tigers | Northwestern League | , | |||
| Red Nelson | nelson002alb | 1907 | 4/19 | Des Moines Champs | Western League | , | |
| Red Nelson | nelson002alb | 1907 | 5/5-6/26 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Red Nelson | nelson002alb | 1907 | 7/5 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Red Nelson | nelson002alb | 1907 | 7/12- | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Saul Neptune | 1907 | 21 g. | Lewiston | Maine State League | , | ||
| Joseph Netolicky | 1907 | 6/16-6/17 | La Crosse Badgers | Wisconsin State League | , | ||
| Joseph Netolicky | 1907 | +7/24+ | Maquoketa | Independent | , | ||
| Milo Netzel | netzel001mil | 1907 | 5/17-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| Will Neubauer | 1907 | 5/15-5/25 | Houghton Giants | Northern-Copper Country League | , | ||
| Adam Neubeck | 1907 | 9/6-9/7 | Elizabeth | Atlantic League | , | ||
| John Neuer | neuer-001joh | 1907 | 5/10 | Providence Grays | Eastern League | , | |
| John Neuer | neuer-001joh | 1907 | 5/18-8/21 | Savannah Indians | South Atlantic League | , | |
| John Neuer | neuer-001joh | 1907 | 8/28-10/3 | New York | American League | New York, NY | |
| Benjamin Neurither | 1907 | Medicine Hat Hatters | Western Canada League | , | |||
| Archibald Neuschafer | 1907 | 5/18-9/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Charles Neutzling | 1907 | 5/16-8/10 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Nestor Nevenpara | 1907 | 7 g. | Erie Sailors | Interstate League | , | ||
| Nestor Nevenpara | 1907 | 6/4-6/7 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Harry Nevers | nevers001har | 1907 | 6/27-6/28 | Lawrence Colts | New England League | , | |
| Michael Nevins | nevins001mic | 1907 | 118 g. | Orange Hoo-Hoos | Gulf Coast League | , | |
| Nevitt | 1907 | +5/31+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Leo Nevitt | 1907 | no g. | Joplin Miners | Western Association | , | ||
| New | 1907 | 7/11-7/12 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Frank Newberry | 1907 | 16 g. | Kane Mountaineers | Interstate League | , | ||
| H. Newcomb | 1907 | +4/17-6/8+ | Princeton Univ. | College | , | ||
| H. Newcomb | 1907 | +6/25-9/11+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Ray Newcomb | 1907 | Sharon PA | Independent | , | |||
| Ray Newcomb | 1907 | 5/14-9/21 | Bay City | Southern Michigan League | , | ||
| Royal Newcomb | newcom001roy | 1907 | 83 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| Charley Newell | 1907 | U. Oklahoma | College | , | |||
| Duncan Newhall | 1907 | 7/1-8/2 | Lynn Shoemakers | New England League | , | ||
| Frank Newhouse | 1907 | -6/ | Umpire | Texas League | , | ||
| Frank Newhouse | 1907 | 6/28- | Umpire | Wisconsin State League | , | ||
| Otto Newlin | newlin001ott | 1907 | 4/20-7/4 | Sioux City Packers | Western League | , | |
| Otto Newlin | newlin001ott | 1907 | 8/3-, 9/8 | Indianapolis Indians | American Association | , | |
| John Newman | newman001joh | 1907 | 5/7-6/7 | Burlington Pathfinders | Iowa League | , | |
| Pat Newnam | newnam001pat | 1907 | 119 g. | San Antonio Bronchos | Texas League | , | |
| Pat Newnam | newnam001pat | 1907 | 15 g. | Portland Beavers | Pacific Coast League | , | |
| Al Newnham | newnha001alf | 1907 | 5/4-5/31 | Pottsville | Atlantic League | , | |
| Al Newnham | newnha001alf | 1907 | 75 g. | Erie Sailors | Interstate League | , | |
| Tom News | news--001tho | 1907 | +7/23+ | Atlantic City NJ | Independent | , | |
| Newton | 1907 | 6/19-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Newton | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Albert Newton | newton001alb | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Doc Newton | newton001eus | 1907 | 4/24-6/22 | Montreal Royals | Eastern League | , | |
| Doc Newton | newton001eus | 1907 | 19 g. | New York | American League | New York, NY | |
| Tom Newton | 1907 | 5/12-5/28 | Mattoon Giants | Eastern Illinois League | , | ||
| Tom Newton | 1907 | 7/26 | Pana Coal Miners | Eastern Illinois League | , | ||
| J. Wesley Nicholls | nichol001j-- | 1907 | Temple Boll Weevils | Texas League | , | ||
| Simon Nicholls | nichol001sim | 1907 | 124 g. | Philadelphia | American League | Philadelphia, PA | |
| Nichols | 1907 | +8/21+ | Owego NY | Independent | , | ||
| Nichols | 1907 | 9/2-9/8 | Seneca Falls | Empire State League | , | ||
| Nichols | 1907 | 5/2-5/23 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Nichols | 1907 | 6/10 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Art Nichols | nichol001art | 1907 | 60 g. | Waterbury Authors | Connecticut State League | , | |
| Art Nichols | nichol001art | 1907 | 7/11-9/14 | Nashville Volunteers | Southern Association | , | |
| Charles Nichols | 1907 | 6/3-9/22 | Wichita Jobbers | Western Association | , | ||
| J. Nichols | 1907 | 19 g. | Waterbury Authors | Connecticut State League | , | ||
| Al Nickell | nickel001al- | 1907 | , | ||||
| Bert Niehoff | 1907 | Denv.-Cottrell | Independent | , | |||
| Niles | 1907 | 7/1 | Madison Senators | Wisconsin State League | , | ||
| Harry Niles | niles-001her | 1907 | 120 g. | St. Louis | American League | St. Louis, MO | |
| Albert Ninham | 1907 | 5/10-6/26 | Green Bay Orphans | Wisconsin State League | , | ||
| Bernard Nippert | nipper001ben | 1907 | Big Stone Gap | VaCoalFields | , | ||
| Charles Noah | 1907 | 5/12-7/10 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Charles Noah | 1907 | 7/18-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Peck Noble | 1907 | Muskingum Col. | College | , | |||
| Peck Noble | 1907 | +7/9-7/12+ | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Bert Noblett | noblet001j-- | 1907 | SW Baptist U. | College | , | ||
| Bert Noblett | noblet001j-- | 1907 | 4/26-7/25 | Terre Haute Hottentots | Central League | , | |
| Bert Noblett | noblet001j-- | 1907 | 7/29-9/15 | Grand Rapids Wolverines | Central League | , | |
| George Noblit | noblit001geo | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | |
| Thomas Nolan | 1907 | 5/10-7/15 | Pottsville | Atlantic League | , | ||
| Peter Nolden | nolden001pet | 1907 | 7/17-7/31 | Madison Senators | Wisconsin State League | , | |
| Peter Nolden | nolden001pet | 1907 | Sheboygan | Lake Shore League | , | ||
| Rufus Nolley | nolley001ruf | 1907 | +5/22-9/18 | Mobile Sea Gulls | Cotton States League | , | |
| Edward Nolte | 1907 | 58 g. | New Haven Blues | Connecticut State League | , | ||
| Pete Noonan | noonan001pet | 1907 | St. Louis | National League | St. Louis, MO | ||
| Jerry Nops | nops--001jer | 1907 | 4/27-6/22 | Trenton Tigers | Tri-State League | , | |
| Jerry Nops | nops--001jer | 1907 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| Alex Norcabbage | norcab001ale | 1907 | +8/26+ | Jackson-Reseve | Independent | , | |
| Frank Norcom | norcom001fra | 1907 | 4/25-9/15 | Evansville River Rats | Central League | , | |
| Nordorff | 1907 | Butte Miners | Northwestern League | , | |||
| Lou Nordyke | nordyk001lou | 1907 | 4/17-9/16 | St. Paul Saints | American Association | , | |
| Harry Norris | norris002har | 1907 | 4/26-9/6 | New Bedford Whalers | New England League | , | |
| Norton | 1907 | Lyons | Empire State League | , | |||
| Norton | 1907 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |||
| Jim Novacek | novace001jam | 1907 | 103 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Edwin Noyes | noyes-001edw | 1907 | 5/4-9/22 | Hutchinson Salt Packers | Western Association | , | |
| Harry Noyes | noyes-001har | 1907 | 121 g. | Hartford Senators | Connecticut State League | , | |
| Charlie Nugent | 1907 | 6/6-6/20 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Eddie Nugent | 1907 | 7/17-9/7 | Geneva | Empire State League | , | ||
| Eddie Nugent | 1907 | 5/1-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Eddie Nugent | 1907 | 9/6-9/26 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Jack Nugent | nugent001joh | 1907 | Franklin Millionaires | Interstate League | , | ||
| Jack Nugent | nugent001joh | 1907 | Providence Grays | Eastern League | , | ||
| Nyce | 1907 | Orwigsburg | , | ||||
| Nyce | 1907 | 8/23 | Reading | Atlantic League | , | ||
| Martin Nye | nye---001mar | 1907 | 4/12-9/14 | Montgomery Senators | Southern Association | , | |
| O'Bannon | 1907 | 8/8 | Louisville Colonels | American Association | , | ||
| Boyd O'Bannon | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | |||
| Charles O'Berta | 1907 | 5/28-7/20 | Mattoon Giants | Eastern Illinois League | , | ||
| A. F. O'Brian | 1907 | 5/1-5/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| O'Brien | 1907 | 6/14-6/15 | Altoona Mountaineers | Tri-State League | , | ||
| O'Brien | 1907 | 5/15-6/9 | Umpire | New York State League | , | ||
| O'Brien | 1907 | 10 g. | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Buck O'Brien | obrien005tho | 1907 | Wakefield MA | Independent | , | ||
| Buck O'Brien | obrien005tho | 1907 | 8/19-8/29 | Brockton Tigers | New England League | , | |
| Darby O'Brien | 1907 | 47 g. | Dayton Veterans | Central League | , | ||
| Darby O'Brien | 1907 | +7/2-9/16+ | Dayton Veterans | Central League | , | ||
| E. J. O'Brien | 1907 | 4 g. | Terrell Red Stockings | North Texas League | , | ||
| Hugh O'Brien | obrien001h-- | 1907 | 4/11-9/18 | Mobile Sea Gulls | Cotton States League | , | |
| Jack O'Brien | obrien005joh | 1907 | 6/7-9/29 | Troy Trojans | New York State League | , | |
| Jack O'Brien | 1907 | 5/1-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Jack O'Brien | 1907 | 6/14-6/15 | Altoona Mountaineers | Tri-State League | , | ||
| Jack O'Brien | 1907 | 5/4-5/27 | Vancouver Canucks | Northwestern League | , | ||
| Jack O'Brien | 1907 | 5/24-7/17 | Geneva | Empire State League | , | ||
| Jack O'Brien | 1907 | 7/18-7/29 | Seneca Falls | Empire State League | , | ||
| Jack O'Brien | 1907 | 7/30-9/6 | Auburn | Empire State League | , | ||
| James O'Brien | obrien004jam | 1907 | 5/20-5/21 | Toronto Maple Leafs | Eastern League | , | |
| James O'Brien | obrien004jam | 1907 | 6/24 | Lynn Shoemakers | New England League | , | |
| John O'Brien | 1907 | Fall River Indians | New England League | , | |||
| John O'Brien | 1907 | 8/2-8/8 | Lawrence Colts | New England League | , | ||
| Joseph O'Brien | 1907 | Umpire | New England League | , | |||
| Michael O'Brien | 1907 | 4/26-9/7 | Lowell Tigers | New England League | , | ||
| Michael O'Brien | 1907 | 5/10-9/8 | ??? | , | |||
| Pete O'Brien | obrien001pet | 1907 | 43 g. | Cleveland | American League | Cleveland, OH | |
| Pete O'Brien | obrien001pet | 1907 | -10/2 | 39 g. | Washington | American League | Washington, DC |
| Thomas O'Brien | obrien002t-- | 1907 | 5/1- | 31 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| Tim O'Brien | obrien004tim | 1907 | Galveston Sand Crabs | Texas League | , | ||
| Tim O'Brien | obrien004tim | 1907 | 3 g. | Dallas Giants | Texas League | , | |
| Tom O'Brien | 1907 | 6/21-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| O'Connell | 1907 | 6/12-6/20 | Easton | Atlantic League | , | ||
| O'Connell | 1907 | 6/18+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| O'Connell | 1907 | 8/1-8/2 | Oskaloosa Quakers | Iowa League | , | ||
| Jack O'Connell | 1907 | 5/1-7/8 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Jack O'Connell | 1907 | +7/- | Umpire | Iowa League | , | ||
| Jack O'Connell | 1907 | 7/14-8/29 | Umpire | Western Association | , | ||
| Maurice O'Connell | 1907 | 8/22 | Worcester Busters | New England League | , | ||
| Andy O'Connor | oconno002and | 1907 | 5/3 | Fall River Indians | New England League | , | |
| Andy O'Connor | oconno002and | 1907 | 5/15 | Syracuse Stars | New York State League | , | |
| Andy O'Connor | oconno002and | 1907 | 5/24-6/8 | Seneca Falls | Empire State League | , | |
| Andy O'Connor | oconno002and | 1907 | 6/13-7/15 | Oswego | Empire State League | , | |
| Andy O'Connor | oconno002and | 1907 | 7/19-8/20 | Easton | Atlantic League | , | |
| Andy O'Connor | oconno002and | 1907 | 8/26-9/7 | New Bedford Whalers | New England League | , | |
| Edward O'Connor | 1907 | 20 g. | Hartford Senators | Connecticut State League | , | ||
| J. P. O'Connor | 1907 | 52 g. | DuBois Miners | Interstate League | , | ||
| James O'Connor | 1907 | 4/18-5/30 | Danville Red Sox | Virginia League | , | ||
| James O'Connor | 1907 | 9/21 | Utica Pent-Ups | New York State League | , | ||
| Paddy O'Connor | oconno004pat | 1907 | 75 g. | Springfield Ponies | Connecticut State League | , | |
| Patrick O'Connor | oconno003pat | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Patrick O'Connor | oconno003pat | 1907 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Royes O'Connor | oconno001roy | 1907 | 52 g. | DuBois Miners | Interstate League | , | |
| Charles O'Day | oday--001cha | 1907 | 5/12-9/26 | Mattoon Giants | Eastern Illinois League | , | |
| Michael O'Day | 1907 | Vermont League | , | ||||
| Michael O'Day | 1907 | 8/3-9/7 | Haverhill Hustlers | New England League | , | ||
| Artie O'Dea | odea--001art | 1907 | 78 g. | Lethbridge Miners | Western Canada League | , | |
| Alfred O'Dell | odell-002alf | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| O'Donnell | 1907 | 8/1-9/8 | Reading | Atlantic League | , | ||
| Herbert O'Drain | 1907 | 23 g. | New London Whalers | Connecticut State League | , | ||
| O'Gwinn | 1907 | 7/20-7/27 | Montgomery Senators | Southern Association | , | ||
| Hal O'Hagan | ohagen001har | 1907 | 5/9-5/17 | Pueblo Indians | Western League | , | |
| Hal O'Hagan | ohagen001har | 1907 | 8/17-9/10 | Denver Grizzlies | Western League | , | |
| Bill O'Hara | ohara-002wil | 1907 | 4/25-9/24 | Baltimore Orioles | Eastern League | , | |
| Dennis O'Hara | ohara-001den | 1907 | +6/3+ | 5 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , |
| Dennis O'Hara | ohara-001den | 1907 | 6/10-9/2 | Connellsville Cokers | Western Pennsylvania League | , | |
| John O'Hara | 1907 | 6/10-6/11 | Utica Pent-Ups | New York State League | , | ||
| John O'Hara | 1907 | Atlantic City NJ | Independent | , | |||
| Tom O'Hara | ohara-002tho | 1907 | -7/4 | 48 g. | St. Louis | National League | St. Louis, MO |
| Tom O'Hara | ohara-002tho | 1907 | 7/9-8/3 | Lancaster Red Roses | Tri-State League | , | |
| Tom O'Hara | ohara-002tho | 1907 | 8/6-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Thomas O'Hare | ohare-001tho | 1907 | 91 g. | Erie Sailors | Interstate League | , | |
| Harold O'Hayer | 1907 | 5/9-9/3 | Green Bay Orphans | Wisconsin State League | , | ||
| Harold O'Hayer | 1907 | 9/6-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Daniel O'Leary | oleary001dan | 1907 | 4/18-4/27 | Atlanta Crackers | Southern Association | , | |
| Daniel O'Leary | oleary001dan | 1907 | 5/4-9/14 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Frank O'Leary | oleary001fra | 1907 | 4/21-4/22 | Des Moines Champs | Western League | , | |
| George O'Leary | oleary001geo | 1907 | 5/9-9/22 | Eau Claire Tigers | Wisconsin State League | , | |
| John O'Leary | 1907 | 87 g. | Hartford Senators | Connecticut State League | , | ||
| Sy O'Loughlin | 1907 | 9/10-9/22 | Green Bay Orphans | Wisconsin State League | , | ||
| Michael O'Malley | omalle001mic | 1907 | Savannah Indians | South Atlantic League | , | ||
| O'Mara | 1907 | 4/11-4/21 | Columbus Discoverers | Cotton States League | , | ||
| Thomas O'Mara | omara-001tho | 1907 | 5/27-8/8 | Spartanburg Spartans | South Carolina League | , | |
| William O'Mara | omara-001tho | 1907 | 6/14-6/21 | Spartanburg Spartans | South Carolina League | , | |
| O'Mear | 1907 | 8/22 | Jacksonville Lunatics | Iowa League | , | ||
| O'Neal | 1907 | 7/8-7/27 | Anderson Electricians | South Carolina League | , | ||
| O'Neil | 1907 | 6/1-6/10 | Umpire | Tri-State League | , | ||
| Dan O'Neil | oneill003dan | 1907 | 4/25-9/14 | Springfield Ponies | Connecticut State League | , | |
| Harry O'Neil | oneil-000har | 1907 | Augusta | Maine State League | , | ||
| James O'Neil | 1907 | 55 g. | Richmond Colts | Virginia League | , | ||
| James O'Neil | 1907 | Lynchburg Shoemakers | Virginia League | , | |||
| O'Neill | 1907 | 5/4-5/8 | Elizabeth | Atlantic League | , | ||
| O'Neill | 1907 | 7/21-8/15 | Elizabeth | Atlantic League | , | ||
| O'Neill | 1907 | 5/17-5/25 | Easton | Atlantic League | , | ||
| O'Neill | 1907 | 8/15 | Allentown | Atlantic League | , | ||
| O'Neill | 1907 | 6/10-6/14 | Portsmouth Truckers | Virginia League | , | ||
| Charles O'Neill | 1907 | 6/23-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| Charles O'Neill | 1907 | 8/2-8/5 | Williamsport Millionaires | Tri-State League | , | ||
| Charles O'Neill | 1907 | 8/8-9/9 | Reading | Atlantic League | , | ||
| Jack O'Neill | oneill008joh | 1907 | , | ||||
| James O'Neill | oneill005jam | 1907 | 6/25-7/1 | Worcester Busters | New England League | , | |
| James O'Neill | 1907 | 4/18-6/10 | Lynchburg Shoemakers | Virginia League | , | ||
| James O'Neill | 1907 | 6/12-7/3 | Richmond Colts | Virginia League | , | ||
| John O'Neill | oneill004wil | 1907 | 4/17-9/16 | Minneapolis Millers | American Association | , | |
| Joseph O'Neill | 1907 | 5/7-5/15 | Reading | Atlantic League | , | ||
| Mike O'Neill | oneill002mic | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Mike O'Neill | oneill002mic | 1907 | - 10/6 | 9 g. | Cincinnati | National League | Cincinnati, OH |
| Tip O'Neill | oneill001nor | 1907 | President | Western League | , | ||
| O'Reilly | 1907 | 7/4-7/13 | Savannah Indians | South Atlantic League | , | ||
| O'Rourke | 1907 | 6/20 | Geneva | Empire State League | , | ||
| O'Rourke | 1907 | 8/14-9/7 | Lyons | Empire State League | , | ||
| Jim O'Rourke | orourk003jam | 1907 | 24 g. | Bridgeport Orators | Connecticut State League | , | |
| Jim O'Rourke | orourk003jam | 1907 | Springfield Ponies | Connecticut State League | , | ||
| Jimmy O'Rourke | orourk005jam | 1907 | 125 g. | Bridgeport Orators | Connecticut State League | , | |
| Joseph O'Rourke | orourk001jos | 1907 | New London Whalers | Connecticut State League | , | ||
| Joseph O'Rourke | orourk001jos | 1907 | Waterbury Authors | Connecticut State League | , | ||
| Steve O'Rourke | 1907 | Holy Cross Col. | College | , | |||
| Steve O'Rourke | 1907 | 6/17-7/31 | Geneva | Empire State League | , | ||
| Steve O'Rourke | 1907 | 8/14-9/7 | Lyons | Empire State League | , | ||
| J. O'Shea | oshea-002j-- | 1907 | 8/1 | Elizabeth | Atlantic League | , | |
| Marty O'Toole | otoole001mar | 1907 | 4/30-9/7 | Brockton Tigers | New England League | , | |
| Michael O'Toole | otoole001mic | 1907 | 4/26-9/7 | Brockton Tigers | New England League | , | |
| Charles Oakes | 1907 | 5/26-7/9 | Providence Grays | Eastern League | , | ||
| Charles Oakes | 1907 | 7/15-9/7 | Lawrence Colts | New England League | , | ||
| Rebel Oakes | oakes-001enn | 1907 | 5/1-9/14 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Franklin Oakley | 1907 | 4/19-9/18 | Lynchburg Shoemakers | Virginia League | , | ||
| Frank Oberlin | oberli002fra | 1907 | 12 g. | Boston | American League | Boston, MA | |
| Frank Oberlin | oberli002fra | 1907 | 12 g. | Washington | American League | Washington, DC | |
| Obuer | 1907 | 7/11 | Madison Senators | Wisconsin State League | , | ||
| Clarence Ochs | ochs--001cla | 1907 | Hudson River League | , | |||
| Clarence Ochs | ochs--001cla | 1907 | no g. | Providence Grays | Eastern League | , | |
| Fred Ochs | 1907 | +8/5-9/ | Dayton Veterans | Central League | , | ||
| William Ochs | 1907 | Pen Argyl | Blue Mountain League | , | |||
| Fred Odwell | odwell001fre | 1907 | -9/12 | 94 g. | Cincinnati | National League | Cincinnati, OH |
| Herman Oehme | 1907 | 4/19-5/1 | Savannah Indians | South Atlantic League | , | ||
| Herman Oehme | 1907 | 5/21-6/17 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Ogle | 1907 | 5/4-5/15 | Easton | Atlantic League | , | ||
| Hatton Ogle | 1907-08 | Maryville College | College | , | |||
| Joe Ohl | ohl---001jos | 1907 | 5/14-9/8 | Elizabeth | Atlantic League | , | |
| Joe Ohl | ohl---001jos | 1907 | +9/17-9/21+ | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Harry Ohland | 1907 | 5/22-6/5 | Quincy Gems | Iowa League | , | ||
| Harry Ohland | 1907 | 6/9-9/15 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Rube Oldring | oldrin001rub | 1907 | Philadelphia | American League | Philadelphia, PA | ||
| Cornelius Ollre | 1907 | 72 g. | Lake Charles Creoles | Gulf Coast League | , | ||
| Cornelius Ollre | 1907 | Monroe Municipals | Gulf Coast League | , | |||
| Cornelius Ollre | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| Fred Olmstead | olmste001fre | 1907 | 5/2-9/22 | 70 g. | Springfield Midgets | Western Association | , |
| Fred Olmsted | olmest001fre | 1907 | 5/24-5/30 | Duluth White Sox | Northern-Copper Country League | , | |
| Hank Olmsted | olmste001hen | 1907 | 5/1-9/15 | 37 g. | Denver Grizzlies | Western League | , |
| Emery Olson | 1907 | 5/2-9/22 | Topeka White Sox | Western Association | , | ||
| Ivan Olson | 1907 | 5/2-9/22 | Webb City Goldbugs | Western Association | , | ||
| John Olson | olson-001joh | 1907 | 5/19-9/2 | Houghton Giants | Northern-Copper Country League | , | |
| Sylvester Olson | olson-001syl | 1907 | 5/2-9/22 | Joplin Miners | Western Association | , | |
| Edward Opfergelt | opferg000edw | 1907 | no g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Edward Opfergelt | opferg000edw | 1907 | +4/28-7/8+ | Kenosha | Lake Shore League | , | |
| Edward Opfergelt | opferg000edw | 1907 | 8/14 | Freeport Pretzels | Wisconsin State League | , | |
| Edward Opfergelt | opferg000edw | 1907 | +9/1+ | Kenosha | Lake Shore League | , | |
| William Orchard | 1907 | 4/19-4/23 | Jackson Senators | Cotton States League | , | ||
| William Orchard | 1907 | 29 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| William Orchard | 1907 | Lafayette Browns | Gulf Coast League | , | |||
| William Orchard | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| William Oriet | oriet-001wil | 1907 | 59 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| William Oriet | oriet-001wil | 1907 | Lethbridge Miners | Western Canada League | , | ||
| William Oriet | oriet-001wil | 1907 | +9/22+ | Great Falls MT | Independent | , | |
| Jess Orndorff | orndor001jes | 1907 | 4/18-4/24 | Boston | National League | Boston, MA | |
| Jess Orndorff | orndor001jes | 1907 | 7/16-7/29 | Providence Grays | Eastern League | , | |
| Edward Orr | 1907 | 4/14-6/1 | Little Rock Travelers | Southern Association | , | ||
| George Ort | ort---001geo | 1907 | 4/26-9/7 | Lynn Shoemakers | New England League | , | |
| Andreas Ortega | 1907 | 5/4-7/2 | Brooklyn | Atlantic League | , | ||
| William Orth | 1907 | 7/23- | Wausau Lumberjacks | Wisconsin State League | , | ||
| William Orth | 1907 | 8/2-8/3 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Herman Ortlieb | ortlie001her | 1907 | 5/1-6/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Herman Ortlieb | ortlie001her | 1907 | 33 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Ben Osborn | 1907 | 5/2-7/6 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Fred Osborn | osborn001wil | 1907 | Philadelphia | National League | Philadelphia, PA | ||
| Arch Osborne | osborn001arc | 1907 | 31 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Arch Osborne | osborn001arc | 1907 | -’9/13 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Owen Osborne | 1907 | 4/20-9/1 | Spokane Indians | Northwestern League | , | ||
| Winfield Osborne | 1907 | 6/2 | Springfield Midgets | Western Association | , | ||
| Joseph Osment | osment001jos | 1907 | +5/28-8/22+ | Chat.-Ridgedale | ChatCity | , | |
| Ospergeld | 1907 | 8/14 | Freeport Pretzels | Wisconsin State League | , | ||
| Harry Ostdiek | ostdie001hen | 1907 | 5/1-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Champ Osteen | osteen001jam | 1907 | 4/27-9/4+ | Springfield Babes | Central League | , | |
| Clarence Osterhout | 1907 | 7/18 | Auburn | Empire State League | , | ||
| Clarence Osterhout | 1907 | 7/20-9/7 | Fulton | Empire State League | , | ||
| Oswald | 1907 | 2 g. | Portland Beavers | Pacific Coast League | , | ||
| Bill Otey | otey--001wil | 1907 | 4/20-9/19 | Norfolk Tars | Virginia League | , | |
| Bill Otey | otey--001wil | 1907 | 9/27- | 3 g. | Pittsburgh | National League | Pittsburgh, PA |
| Frank Ott | ott---002fra | 1907 | 5/30-9/22 | Green Bay Orphans | Wisconsin State League | , | |
| Orval Overall | overal001orv | 1907 | 36 g. | Chicago | National League | Chicago, IL | |
| Benjamin Owen | 1907-34 | U. of Oklahoma | College | , | |||
| Owens | 1907 | 9/5 | Allentown | Atlantic League | , | ||
| Andrew Owens | 1907 | 21 g. | Portland Blue Sox | Maine State League | , | ||
| Arthur Owens | owens-001art | 1907 | 5/4-8/14 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Arthur Owens | owens-001art | 1907 | 8/17-9/13 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Clarence Owens | 1907 | 4/25-9/22 | Umpire | Eastern League | , | ||
| Red Owens | owens-003tho | 1907 | 4/24-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Red Owens | owens-003tho | 1907 | 7/24-8/13 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Yip Owens | owens-001fra | 1907 | 4/20-8/25 | Memphis Egyptians | Southern Association | , | |
| Andy Oyler | oyler-001and | 1907 | 4/17-9/16 | Minneapolis Millers | American Association | , | |
| William Oyler | oyler-001wil | 1907 | 4/28-5/25 | Birmingham Barons | Southern Association | , | |
| William Oyler | oyler-001wil | 1907 | 6/9-8/8 | Webb City Goldbugs | Western Association | , | |
| Lon Ozee | 1907 | 30 g. | Waco Navigators | Texas League | , | ||
| Dick Padden | padden001ric | 1907 | 4/17-6/13 | St. Paul Saints | American Association | , | |
| Dick Padden | padden001ric | 1907 | 7/11 | St. Paul Saints | American Association | , | |
| Delmer Paddock | 1907 | 9/4-9/5 | Seattle Siwashes | Northwestern League | , | ||
| Luis Padron | padron001lou | 1907 | Cuban League | , | |||
| Luis Padron | padron001lou | 1907 | 7/1-9/2 | Brooklyn | Atlantic League | , | |
| Billy Page | page--001wil | 1907 | 4/10-9/14 | Little Rock Travelers | Southern Association | , | |
| Charles Page | 1907 | 74 g. | New London Whalers | Connecticut State League | , | ||
| Ed Page | page--001ed- | 1907 | U. Oklahoma | College | , | ||
| Ed Page | page--001ed- | 1907 | 5/14-6/6 | Oklahoma City Mets | Western Association | , | |
| Ed Page | page--001ed- | 1907 | +7/13-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| George Page | page--003geo | 1907 | 18 g. | Temple Boll Weevils | Texas League | , | |
| George Page | page--003geo | 1907 | 36 g. | Alexandria White Sox | Gulf Coast League | , | |
| George Paige | paige-001geo | 1907 | 4/20-5/18 | Denver Grizzlies | Western League | , | |
| George Paige | paige-001geo | 1907 | 6/11-8/31 | Charleston Sea Gulls | South Atlantic League | , | |
| George Paige | paige-001geo | 1907 | 9/3-9/11 | Norfolk Tars | Virginia League | , | |
| Harold Paine | 1907 | Brown Univ. | College | , | |||
| Harold Paine | 1907 | 7/30- | Providence Grays | Eastern League | , | ||
| Edward Painter | painte001edw | 1907 | 5/2-9/6+ | Webb City Goldbugs | Western Association | , | |
| Henry Palm | palm--001hen | 1907 | 24 g. | Lake Charles Creoles | Gulf Coast League | , | |
| John Palm | 1907 | 10 g. | Austin Senators | Texas League | , | ||
| Palmer | 1907 | 5/11 | Green Bay Orphans | Wisconsin State League | , | ||
| Palmer | 1907 | 6/22 | Waterloo Cubs | Iowa League | , | ||
| Palmer | 1907 | +5/12-5/30+ | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Emilio Palomino | palomi000emi | 1907 | 5/4-7/2 | Brooklyn | Atlantic League | , | |
| Hauley Pankey | 1907 | Newton KS | Independent | , | |||
| Emil Papenfuss | papenf001emi | 1907 | 7/23-7/25 | Wausau Lumberjacks | Wisconsin State League | , | |
| Emil Papenfuss | papenf001emi | 1907 | 8/21-8/22 | Eau Claire Tigers | Wisconsin State League | , | |
| Papp | 1907 | 1 g. | Evansville River Rats | Central League | , | ||
| John Pappalau | pappal001joh | 1907 | 4/27-9/24 | Rochester Bronchos | Eastern League | , | |
| Bob Paquet | 1907 | 49 g. | Bangor White Sox | Maine State League | , | ||
| Al Pardee | pardee001alb | 1907 | 4/26-9/20 | Newark Sailors | Eastern League | , | |
| Harry Parent | parent001har | 1907 | 5/14-9/21 | Bay City | Southern Michigan League | , | |
| Archibald Parish | 1907 | 5/9-9/21 | Green Bay Orphans | Wisconsin State League | , | ||
| Parker | 1907 | +9/11+. | 8 g. | Meridian Ribboners | Cotton States League | , | |
| Eddie Parker | 1907 | 5/20 | Greenville Mountaineers | South Carolina League | , | ||
| Robert Parker | 1907 | , | |||||
| Roy Parkin | parkin001r-- | 1907 | 5/12-9/22 | Binghamton Bingoes | New York State League | , | |
| Cy Parkins | 1907 | Norwich Reds | Connecticut State League | , | |||
| Charles Parm | 1907 | 5/8-5/13 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Charles Parm | 1907 | 5/22-6/30 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Floyd Parrott | 1907 | Monroe Municipals | Gulf Coast League | , | |||
| Ralph Parrott | 1907 | 5/25-8/31 | Auburn | Empire State League | , | ||
| Ralph Parrott | 1907 | 9/2-9/24 | Buffalo Bisons | Eastern League | , | ||
| Tom Parrott | parrot002tho | 1907 | Houston Buffaloes | Texas League | , | ||
| Parsons | 1907 | +5/3+ | Bucknell Univ. | College | , | ||
| Clarence Parsons | 1907 | 5/20-6/13 | Connellsville Cokers | Western Pennsylvania League | , | ||
| William Partridge | partri001wil | 1907 | 5/4-5/14 | Oklahoma City Mets | Western Association | , | |
| William Partridge | partri001wil | 1907 | 6/2-6/30 | Springfield Midgets | Western Association | , | |
| Dode Paskert | pasker001geo | 1907 | 4/9-9/14 | Atlanta Crackers | Southern Association | , | |
| Dode Paskert | pasker001geo | 1907 | 9/21- | 16 g. | Cincinnati | National League | Cincinnati, OH |
| Tony Pastor | pastor001hen | 1907 | 120 g. | New Haven Blues | Connecticut State League | , | |
| Jim Pastorius | pastor002jam | 1907 | 29 g. | Brooklyn | National League | Brooklyn, NY | |
| John Patience | patien001joh | 1907 | 4/8-5/18 | Savannah Indians | South Atlantic League | , | |
| John Patience | patien001joh | 1907 | 5/25-6/1 | Greenville Mountaineers | South Carolina League | , | |
| Alfred Patrick | 1907 | 38 g. | Jacksonville Lunatics | Iowa League | , | ||
| Harry Pattee | pattee001har | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Patterson | 1907 | 5/11 | Easton | Atlantic League | , | ||
| Patterson | 1907 | 9/7 | New Bedford Whalers | New England League | , | ||
| Ham Patterson | patter001ham | 1907 | 5/7-7/17 | Oskaloosa Quakers | Iowa League | , | |
| Ham Patterson | patter001ham | 1907 | 7/20-7/21 | Shreveport Pirates | Southern Association | , | |
| Ham Patterson | patter001ham | 1907 | 7/29-9/14 | Oskaloosa Quakers | Iowa League | , | |
| Henry Patterson | patter001hen | 1907 | 8 g. | Corsicana Oilers/Desperados | North Texas League | , | |
| Henry Patterson | patter001hen | 1907 | 16 g. | Terrell Red Stockings | North Texas League | , | |
| Patrick Patterson | 1907 | Weiser | Idaho State League | , | |||
| Patrick Patterson | 1907 | 33 g. | Butte Miners | Northwestern League | , | ||
| Van Patterson | patter001van | 1907 | 5/1-9/19 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Russell Pattison | 1907 | 4/26 | Sioux City Packers | Western League | , | ||
| Harry Patton | patton001har | 1907 | 5/13-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | |
| Art Paul | 1907 | Univ. Chicago | College | , | |||
| Art Paul | 1907 | Exhibition | Sandusky OH | , | |||
| August Paulig | paulig001aug | 1907 | 4/11-4/25 | Jackson Senators | Cotton States League | , | |
| August Paulig | paulig001aug | 1907 | 4/29-6/21 | Vicksburg Hill Billies | Cotton States League | , | |
| August Paulig | paulig001aug | 1907 | 7/13-7/22 | Columbus Discoverers | Cotton States League | , | |
| August Paulig | paulig001aug | 1907 | 34 g. | Orange Hoo-Hoos | Gulf Coast League | , | |
| Payne | 1907 | Taylorville Tailors | Eastern Illinois League | , | |||
| Payne | 1907 | Mattoon Giants | Eastern Illinois League | , | |||
| Andrew Payne | 1907 | Philsadelphia | Cuban-Amer | , | |||
| Carl Payne | 1907 | 5/18-7/10 | Battle Creek Crickets | Southern Michigan League | , | ||
| Fred Payne | payne-001fre | 1907 | Detroit | American League | Detroit, MI | ||
| Bunny Pearce | pearce001wil | 1907 | 5/2-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Alex Pearson | pearso001ale | 1907 | -9/14 | 35 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| William Pearson | pearso002wil | 1907 | 4/27-9/8+ | Evansville River Rats | Central League | , | |
| Ed Pearsons | 1907 | 11 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Joseph Peartree | peartr001j-- | 1907 | 6/10-6/24 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Joseph Peartree | peartr001j-- | 1907 | 6/29 | Binghamton Bingoes | New York State League | , | |
| Joseph Peartree | peartr001j-- | 1907 | 7/5-7/22 | Wilkes-Barre Barons | New York State League | , | |
| Joseph Peartree | peartr001j-- | 1907 | +8/3-9/12+ | 38 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , |
| Charley Pease | pease-001cha | 1907 | 4/11-5/2 | Columbus Discoverers | Cotton States League | , | |
| Charley Pease | pease-001cha | 1907 | 5/12-8/31 | Vicksburg Hill Billies | Cotton States League | , | |
| Charley Pease | pease-001cha | 1907 | +9/11-9/18 | Meridian Ribboners | Cotton States League | , | |
| Harris Peaster | 1907 | Waynesboro MS | Independent | , | |||
| Harris Peaster | 1907 | 7/21-8/2 | Vicksburg Hill Billies | Cotton States League | , | ||
| Harris Peaster | 1907 | 8/-9/ | Columbus Discoverers | Cotton States League | , | ||
| Henry Peck | 1907 | 7/24-7/27 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Samuel Peer | peer--001sam | 1907 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Samuel Peer | peer--001sam | 1907 | 5/2-6/16 | Clarksburg Bees | Western Pennsylvania League | , | |
| Heinie Peitz | peitz-001hen | 1907 | 5/1-9/15 | Louisville Colonels | American Association | , | |
| Louis Pelkey | 1907 | 5/2-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Louis Pelkey | 1907 | 6/6 | Oklahoma City Mets | Western Association | , | ||
| Louis Pelkey | 1907 | +8/1-8/9 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| George Pelletier | 1907 | 7/2 | Worcester Busters | New England League | , | ||
| Joseph Peloquin | peloqu001edm | 1907 | +4/11+ | Villanova College | College | , | |
| A. Pender | 1907 | 7/4 | Newark | Atlantic League | , | ||
| Bob Pender | pender001rob | 1907 | 4/18-9/13 | Norfolk Tars | Virginia League | , | |
| John Pender | 1907 | 6/28-9/7 | Lyons | Empire State League | , | ||
| H. A. Pendergraft | 1907 | 5/7-6/2 | Umpire | Iowa League | , | ||
| Ike Pendleton | pendle001isa | 1907 | 141 g. | San Antonio Bronchos | Texas League | , | |
| John Pendry | pendry001joh | 1907 | 5/2-9/22 | Oklahoma City Mets | Western Association | , | |
| Art Pennell | pennel001art | 1907 | 116 g. | Fort Worth Panthers | Texas League | , | |
| George Pennington | pennin002geo | 1907 | 5/7-9/15 | Waterloo Cubs | Iowa League | , | |
| Ross Pennybaker | 1907 | Logan OH | Independent | , | |||
| Ross Pennybaker | 1907 | +8/28+ | Buchtel OH | Independent | , | ||
| Joseph Pepe | 1907 | 4/8-9/4 | Macon Brigands | South Atlantic League | , | ||
| Herbert Perdue | perdue001her | 1907 | 4/12-9/14 | Nashville Volunteers | Southern Association | , | |
| Walter Perdue | 1907 | 7/31 | Roanoke Tigers | Virginia League | , | ||
| Cy Perkins | perkin001cy- | 1907 | 6/29-7/26 | Umpire | Oklahoma-Arkansas-Kansas League | , | |
| Everett Perkins | 1907 | 4/29-9/7 | Haverhill Hustlers | New England League | , | ||
| Ray Perkins | perkin001ray | 1907 | 121 g. | New Haven Blues | Connecticut State League | , | |
| John Perrine | perrin002joh | 1907 | 4/11-7/9 | Washington | American League | Washington, DC | |
| John Perrine | perrin002joh | 1907 | 7/11-7/12 | Des Moines Champs | Western League | , | |
| John Perrine | perrin002joh | 1907 | 7/13-9/15 | Minneapolis Millers | American Association | , | |
| George Perring | perrin001geo | 1907 | 4/18-9/15 | Toledo Mud Hens | American Association | , | |
| Perry | 1907 | 4/25-4/27 | Newark Sailors | Eastern League | , | ||
| Clay Perry | perry-001cla | 1907 | 4/10-9/14 | Montgomery Senators | Southern Association | , | |
| George Perry | 1907 | 5/29-9/7 | Fulton | Empire State League | , | ||
| George Perry | 1907 | 5/29-9/7 | Fulton | Empire State League | , | ||
| Hiram Perry | 1907 | 5/22-5/30 | Lynn Shoemakers | New England League | , | ||
| Red Perry | perry-001e-- | 1907 | 87 g. | Medicine Hat Hatters | Western Canada League | , | |
| William Perry | perry-003wil | 1907 | 6/6-6/22+ | Grand Rapids Wolverines | Central League | , | |
| William Perry | perry-003wil | 1907 | 6/27-8/17+ | Canton Chinamen | Central League | , | |
| Dutch Persch | persch001abn | 1907 | 5/9-9/22 | Joplin Miners | Western Association | , | |
| Person | 1907 | 5/2-5/7 | Springfield Midgets | Western Association | , | ||
| Archie Persons | person001arc | 1907 | 4/10-7/20 | Nashville Volunteers | Southern Association | , | |
| Archie Persons | person001arc | 1907 | 7/22-7/23 | Montgomery Senators | Southern Association | , | |
| Eddie Persons | person001edw | 1907 | 5/9-9/15 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Earl Persse | persse000ear | 1907 | 7/18- | Umpire | Empire State League | , | |
| Loran Peters | 1907 | 5/12-9/26 | Pana Coal Miners | Eastern Illinois League | , | ||
| Bob Peterson | peters005rob | 1907 | 4/25-9/24 | Providence Grays | Eastern League | , | |
| Bob Peterson | peters005rob | 1907 | 4 g. | Boston | American League | Boston, MA | |
| Dave Peterson | 1907 | Chanute | , | ||||
| Peter Peterson | 1907 | Independent | , | ||||
| Carl Petri | 1907 | 8/24 | Austin Senators | Texas League | , | ||
| Carl Petri | 1907 | Austin-s-p | Independent | , | |||
| Petro | 1907 | 6/23,7/14 | Chester/Tamaqua | Atlantic League | , | ||
| Petsch | 1907 | Harrisburg Senators | Tri-State League | , | |||
| Petsch | 1907 | 7/4-7/8 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Jim Pettigrew | pettig001jim | 1907 | 5/2-9/6+ | Hutchinson Salt Packers | Western Association | , | |
| Andrew Pettit | petit-001and | 1907 | 4/20 | Sioux City Packers | Western League | , | |
| Andrew Pettit | petit-001and | 1907 | 5/9-9/18 | Jackson Senators | Cotton States League | , | |
| George Pfanmiller | pfanmi001geo | 1907 | 4/27-9/24 | Jersey City Skeeters | Eastern League | , | |
| Big Jeff Pfeffer | pfeffe001fra | 1907 | 21 g. | Boston | National League | Boston, MA | |
| Harry Pfeiffer | 1907 | 5/2-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Harry Pfeiffer | 1907 | 9/11 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Dan Pfenninger | pfenni001dan | 1907 | 4/10-9/14 | Umpire | Southern Association | , | |
| Jack Pfiester | pfiest001joh | 1907 | 30 g. | Chicago | National League | Chicago, IL | |
| Monty Pfyl | pfyl--001mei | 1907 | StL-West End | St. Louis Trolley League | , | ||
| Monty Pfyl | pfyl--001mei | 1907 | 7/30 | New York | National League | New York, NY | |
| Monty Pfyl | pfyl--001mei | 1907 | 8/8-8/9 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Monty Pfyl | pfyl--001mei | 1907 | 8/15-9/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| John Phelan | phelan001joh | 1907 | 4/24-6/24 | Montreal Royals | Eastern League | , | |
| John Phelan | phelan001joh | 1907 | 7/12-9/24 | Providence Grays | Eastern League | , | |
| Martin Phelan | phelan001mar | 1907 | 125 g. | Bridgeport Orators | Connecticut State League | , | |
| Thomas Phelan | 1907 | 5/7-5/23 | Umpire | Atlantic League | , | ||
| Arthur Phelen | 1907 | 7/9-9/29 | Taylorville Tailors | Eastern Illinois League | , | ||
| Pheles | 1907 | 7/15 | Des Moines Champs | Western League | , | ||
| Thomas Philbin | philbi002tho | 1907 | no g. | Pittsburgh | National League | Pittsburgh, PA | |
| Thomas Philbin | philbi002tho | 1907 | 4/27-9/8 | Wheeling Stogies | Central League | , | |
| Phillips | 1907 | 6/27-7/6 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Phillips | 1907 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |||
| Bill Phillips | philli005wil | 1907 | Louisiana State | College | , | ||
| Bill Phillips | philli005wil | 1907 | 4/13-9/14 | New Orleans Pelicans | Southern Association | , | |
| James Phillips | philli012jam | 1907 | Lehighton PA | Independent | , | ||
| Joseph Phillips | 1907 | 5/1- | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Joseph Phillips | 1907 | -9/13 | 108 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Phoenix | 1907 | +5/25+ | Bridgeport Orators | Connecticut State League | , | ||
| Phyle | 1907 | 6/21-6/24 | Oswego | Empire State League | , | ||
| Bill Phyle | phyle-002wil | 1907 | 4/24-9/21 | Toronto Maple Leafs | Eastern League | , | |
| Wiley Piatt | piatt-001wil | 1907 | 4/9-4/25 | Augusta Tourists | South Atlantic League | , | |
| Wiley Piatt | piatt-001wil | 1907 | 5/21-5/25 | Sumter Gamecocks | South Carolina League | , | |
| Aubrey Pickens | picken001aub | 1907 | 22 g. | Temple Boll Weevils | Texas League | , | |
| Aubrey Pickens | picken001aub | 1907 | +6/10-6/12+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Aubrey Pickens | picken001aub | 1907 | +6/20-6/24 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Aubrey Pickens | picken001aub | 1907 | 6/25-9/2+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Arthur Pickering | 1907 | PateCity | , | ||||
| Ollie Pickering | picker001oli | 1907 | 151 g. | St. Louis | American League | St. Louis, MO | |
| Dave Pickett | picket003dav | 1907 | 4/26-9/7 | Lowell Tigers | New England League | , | |
| Louis Pieper | 1907-10 | Harvard Univ. | College | , | |||
| Charles Piepho | piepho001c-- | 1907 | +6/30+ | Loui.-Reccius | Independent | , | |
| Pierce | 1907 | 15 g. | Terrell Red Stockings | North Texas League | , | ||
| Pierce | 1907 | 8/19-8/22 | Seneca Falls | Empire State League | , | ||
| Elmer Pierce | pierce001elm | 1907 | U. of Wisconsin | College | , | ||
| Elmer Pierce | pierce001elm | 1907 | 7/21- | St. Paul Saints | American Association | , | |
| Elmer Pierce | pierce001elm | 1907 | 8/2-9/22 | Wausau Lumberjacks | Wisconsin State League | , | |
| George Pierce | 1907 | 5/18-9/22 | Lansing Senators | Southern Michigan League | , | ||
| James Pierce | 1907 | 5/1-5/5 | Newark Newks | Ohio-Pennsylvania League | , | ||
| John Pierson | 1907 | +6/13-8/6+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| John Pierson | 1907 | 8/16-8/24+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | ||
| Art Piland | 1907 | 41 g. | Greenville Hunters | North Texas League | , | ||
| Ethen Pinkerton | pinker001e-- | 1907 | 5/2-7/28+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Ethen Pinkerton | pinker001e-- | 1907 | +8/23-9/15 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Hugh Pinkerton | 1907 | 80 g. | Portland Blue Sox | Maine State League | , | ||
| Charles Pinkney | 1907 | 5/1-7/5 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Charles Pinkney | 1907 | +9/1+ | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Ed Pinnance | pinnan001edw | 1907 | 5/23-8/28 | Bay City | Southern Michigan League | , | |
| Ed Pinnance | pinnan001edw | 1907 | 8/30-9/22 | Flint Vehicles | Southern Michigan League | , | |
| Frank Piper | piper-001fra | 1907 | 5/2-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| William Piper | piper-001lar | 1907 | 89 g. | Winnipeg Maroons | Northern-Copper Country League | , | |
| William Piper | piper-001lar | 1907 | 50 g. | San Francisco Seals | Pacific Coast League | , | |
| George Pisel | 1907 | 5/26-5/28 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Pittman | 1907 | 1 g. | Terrell Red Stockings | North Texas League | , | ||
| Harvey Place | 1907 | 5/25-6/8 | Auburn | Empire State League | , | ||
| Harvey Place | 1907 | 6/11-6/29 | Lyons | Empire State League | , | ||
| Plank | 1907 | 4/20-4/28 | Vancouver Canucks | Northwestern League | , | ||
| Plank | 1907 | 5/- | in Alaska | , | |||
| Ira Plank | plank-001ira | 1907 | New Haven Blues | Connecticut State League | , | ||
| Forrest Plass | plass-001for | 1907 | Mississippi State | College | , | ||
| Forrest Plass | plass-001for | 1907 | 4/10-8/1 | Memphis Egyptians | Southern Association | , | |
| Forrest Plass | plass-001for | 1907 | 8/6-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| Frank Pleasant | 1907 | 5/9-6/14 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Frank Pleasant | 1907 | Lansing Senators | Southern Michigan League | , | |||
| Frank Pleasant | 1907 | +8/16-8/23+ | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Eddie Pleiss | pleiss001edw | 1907 | 5/1- | 89g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Thomas Plummer | plumme001tho | 1907 | 6/2-9/15 | Quincy Gems | Iowa League | , | |
| Dee Poindexter | poinde001dee | 1907 | 53 g. | Temple Boll Weevils | Texas League | , | |
| Dee Poindexter | poinde001dee | 1907 | 54 g. | Corsicana Oilers/Desperados | North Texas League | , | |
| Edward Pokorney | pokorn001edw | 1907 | 4/17-9/15 | Toledo Mud Hens | American Association | , | |
| Milton Pokorney | 1907 | +5/8+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Phillip Poland | poland002phi | 1907 | 4/25-9/24 | Providence Grays | Eastern League | , | |
| Lou Polchow | polcho001lou | 1907 | 5/18-9/20 | Scranton Miners | New York State League | , | |
| Pollard | 1907 | 5/4 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Walter Pollard | 1907 | Northwestern Univ | College | , | |||
| Walter Pollard | 1907 | 6/17-9/2 | Evansville River Rats | Central League | , | ||
| Walter Pollard | 1907 | 9/8 | Lockyear Bus. | College | , | ||
| Jack Pollock | polloc001joh | 1907 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Jack Pollock | polloc001joh | 1907 | 9/5 | Marshalltown Snappers | Iowa League | , | |
| Lyman Pool | 1907 | Ashland WI | Independent | , | |||
| Ed Poole | poole-001edw | 1907 | 4/30-9/12 | Trenton Tigers | Tri-State League | , | |
| William Poole | poole-002wil | 1907 | 6/30-7/19 | Newark | Atlantic League | , | |
| William Poole | poole-002wil | 1907 | 7/22-7/26 | Easton | Atlantic League | , | |
| William Poole | poole-002wil | 1907 | 7/29-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Fred Pope | 1907 | 5/6-5/31 | South Bend Greens | Central League | , | ||
| Fred Pope | 1907 | 6/8-7/1 | Terre Haute Hottentots | Central League | , | ||
| Fred Pope | 1907 | 7/- | 21 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Porter | 1907 | +5/20+ | 6 g. | Meridian Ribboners | Cotton States League | , | |
| Porter | 1907 | +6/23+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Porter | 1907 | +7/22-7/26+ | Springfield Midgets | Western Association | , | ||
| Carl Porter | porter003car | 1907 | +7/18-9/5 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Charles Porter | porter003c-- | 1907 | g. ? | San Antonio Bronchos | Texas League | , | |
| Charles Porter | porter003c-- | 1907 | 7/7-7/30 | Springfield Midgets | Western Association | , | |
| Charles Porter | porter001cha | 1907 | 7/11-9/20 | Springfield Midgets | Western Association | , | |
| Charles Porter | 1907 | 5/17 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Charles Porter | 1907 | 5/20-6/9 | Taylorville Tailors | Eastern Illinois League | , | ||
| H. D. Porter | 1907 | Wash.-Lee Univ. | College | , | |||
| H. D. Porter | 1907 | 6/8-9/13 | Williamsport Millionaires | Tri-State League | , | ||
| Posey | 1907 | 8/17 | Scottdale Giants | Western Pennsylvania League | , | ||
| Samuel Posey | 1907 | Chester SC | Independent | , | |||
| Claude Potts | 1907 | Evansville River Rats | Central League | , | |||
| Claude Potts | 1907 | 6/20-9/26 | Pana Coal Miners | Eastern Illinois League | , | ||
| Bill Pounds | pounds001jea | 1907 | 4/25-9/14 | Harrisburg Senators | Tri-State League | , | |
| Bill Powell | powell003wil | 1907 | 5/1-8/24 | Greensburg Red Sox | Western Pennsylvania League | , | |
| Bill Powell | powell003wil | 1907 | 8/28-9/2 | Fairmont Champions | Western Pennsylvania League | , | |
| Bill Powell | powell003wil | 1907 | Homestead PA | , | |||
| Jack Powell | powell007joh | 1907 | St. Louis | American League | St. Louis, MO | ||
| Walter Powell | powell001wal | 1907 | 4/18-9/21 | Danville Red Sox | Virginia League | , | |
| William Powell | powell005wil | 1907 | 5/2-9/13 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Powers | 1907 | 2 g. | Greenville Hunters | North Texas League | , | ||
| Powers | 1907 | 8 g. | Terrell Red Stockings | North Texas League | , | ||
| Powers | 1907 | 6/21-6/22 | Ottumwa Packers | Iowa League | , | ||
| Omer Prater | 1907 | -5/6 | Jackson Senators | Cotton States League | , | ||
| Omer Prater | 1907 | 6/23-8/1 | Keokuk Indians | Iowa League | , | ||
| Larry Pratt | pratt-001les | 1907 | 8/4-8/6 | Shelbyville Queen Citys | Eastern Illinois League | , | |
| Larry Pratt | pratt-001les | 1907 | 8/11-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | |
| Larry? Pratt | 1907 | 5/7-7/26 | Jacksonville Lunatics | Iowa League | , | ||
| William Pressly | 1907 | 5/24-5/25 | Anderson Electricians | South Carolina League | , | ||
| William Pressy | 1907 | 7/1-7/16 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Preston | 1907 | 6/21-8/27 | Vicksburg Hill Billies | Cotton States League | , | ||
| Preston | 1907 | -9/18 | Columbus Discoverers | Cotton States League | , | ||
| Edward Preston | 1907 | 5/14-5/20 | Tecumseh | Southern Michigan League | , | ||
| Edward Preston | 1907 | 5/24-5/29 | Flint Vehicles | Southern Michigan League | , | ||
| Edward Preston | 1907 | 5/30-9/22 | Tecumseh | Southern Michigan League | , | ||
| Walt Preston | presto002wal | 1907 | 27 g. | Galveston Sand Crabs | Texas League | , | |
| Price | 1907 | +7/22+ | 46 g. | Topeka White Sox | Western Association | , | |
| Price | 1907 | +8/14-9/11+ | Leavenworth Convicts | Western Association | , | ||
| Price | 1907 | +7/2-7/5+ | Springfield Midgets | Western Association | , | ||
| Price | 1907 | +7/23+ | Topeka White Sox | Western Association | , | ||
| Price | 1907 | 5/19 | Waterloo Cubs | Iowa League | , | ||
| Eddie Price | 1907 | 6/14- | Akron Champs | Ohio-Pennsylvania League | , | ||
| Frank Price | 1907 | 5/4-5/11 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Howard Price | price-001how | 1907 | 5/2-7/13 | Webb City Goldbugs | Western Association | , | |
| Howard Price | price-001how | 1907 | 7/3-8/ | Columbus Discoverers | Cotton States League | , | |
| Howard Price | price-001how | 1907 | +8/9-8/22+ | Meridian Ribboners | Cotton States League | , | |
| Sam Price | 1907 | 8/1-8/10 | Sumter Gamecocks | South Carolina League | , | ||
| Sunny Price | 1907 | +5/25+ | Wash.& Jefferson | College | , | ||
| Sunny Price | 1907 | -7/20 | 60 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Sunny Price | 1907 | 7/23-9/12 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Sunny Price | 1907 | Wash.& Jefferson | College | , | |||
| Ted Price | price-001e-- | 1907 | 4/27-9/15 | Wheeling Stogies | Central League | , | |
| Herman Priestap | 1907 | 5/17-5/24 | Bay City | Southern Michigan League | , | ||
| Herman Priestap | 1907 | 6/2-9/22 | Flint Vehicles | Southern Michigan League | , | ||
| Indian Prophet | 1907 | Haskell Inst | School | , | |||
| Indian Prophet | 1907 | Union Pacific | Independent | , | |||
| Indian Prophet | 1907 | 7/21-7/23 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Prosser | 1907 | 5/2-6/1 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| George Proud | 1907 | 7/20-8/3 | Umpire | Atlantic League | , | ||
| George Proud | 1907 | 8/25-8/27 | Umpire | Tri-State League | , | ||
| Billy Prout | prout-002wil | 1907 | 5/1-9/15 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Tex Pruiett | pruiet001cha | 1907 | 4/26- | 35 g. | Boston | American League | Boston, MA |
| Puckett | 1907 | +4/18+ | Mobile Sea Gulls | Cotton States League | , | ||
| Puckett | 1907 | 4/29-5/7 | Jackson Senators | Cotton States League | , | ||
| H. Pugh | 1907 | 5/7-6/1 | Chester/Tamaqua | Atlantic League | , | ||
| H. Pugh | 1907 | 5/29 | Wilmington Peaches | Tri-State League | , | ||
| Joseph Pulliam | 1907 | 73 g. | Fort Worth Panthers | Texas League | , | ||
| Nate Pulsifer | pulsif001nat | 1907 | 6/8-9/7 | Haverhill Hustlers | New England League | , | |
| Frederick Purcell | purcel001the | 1907 | 5/12-9/20 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| George Purnell | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | |||
| Jesse Purnell | purnel001jes | 1907 | Johnstown PA | Independent | , | ||
| Billy Purtell | purtel002wil | 1907 | 5/1-9/15 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Putnam | 1907 | +7/25+ | Great Bend KS | ShortGrass | , | ||
| J. F. Putnam | 1907 | 5/26-9/6 | Ottumwa Packers | Iowa League | , | ||
| Putty Putnam | 1907 | 5/2-5/8+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Ambrose Puttmann | puttma001amb | 1907 | 5/2-9/14 | Louisville Colonels | American Association | , | |
| Pyers | 1907 | 8/24 | Butler White Sox | Western Pennsylvania League | , | ||
| William Pylant | pylant001w-- | 1907 | 4/12-9/18 | Meridian Ribboners | Cotton States League | , | |
| Arthur Queisser | quisse001art | 1907 | 106 g. | Leavenworth Convicts | Western Association | , | |
| Walter Queisser | queiss001wal | 1907 | 5/8-7/23 | Joplin Miners | Western Association | , | |
| Walter Queisser | queiss001wal | 1907 | 51 g. | Joplin Miners | Western Association | , | |
| Billy Quick | 1907 | +10/6+ | GrFalls-Pirates | Independent | , | ||
| Eddie Quick | quick-001edw | 1907 | 51 g. | San Francisco Seals | Pacific Coast League | , | |
| Arthur Quiesser | 1907 | 5/13-9/22 | Leavenworth Convicts | Western Association | , | ||
| Frank Quigg | quigg-001fra | 1907 | Umpire | Texas League | , | ||
| Quigley | 1907 | 6/15 | Oshkosh Indians | Wisconsin State League | , | ||
| Ernest Quigley | quigle001ern | 1907 | St. Mary’s College KS | College | , | ||
| Ernest Quigley | quigle001ern | 1907 | 6/7-8/7 | Leavenworth Convicts | Western Association | , | |
| Frank Quigley | quigle001fra | 1907 | 4/8-7/9 | Columbia Gamecocks | South Atlantic League | , | |
| Frank Quigley | quigle001fra | 1907 | 7/15-9/3 | Savannah Indians | South Atlantic League | , | |
| William Quigley | 1907 | 4/20-6/16 | Vancouver Canucks | Northwestern League | , | ||
| William Quigley | 1907 | 6/20- | Seattle Siwashes | Northwestern League | , | ||
| Lee Quillin | quille001leo | 1907 | -8/14 | 49 g. | Chicago | American League | Chicago, IL |
| Larry Quinlan | quinla001law | 1907 | 4/17-9/15 | Louisville Colonels | American Association | , | |
| Quinn | 1907 | 5/9-5/31 | La Crosse Badgers | Wisconsin State League | , | ||
| Quinn | 1907 | 5/1-6/26 | Butler White Sox | Western Pennsylvania League | , | ||
| Jack Quinn | quinn-004joh | 1907 | 5/18-5/25 | Chester/Tamaqua | Atlantic League | , | |
| Jack Quinn | quinn-007joh | 1907 | 5/31-7/8 | Macon Brigands | South Atlantic League | , | |
| Jack Quinn | quinn-007joh | 1907 | 7/17-9/2 | Pottsville | Atlantic League | , | |
| Robert Quinn | 1907 | 5/1-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Roy Radebaugh | 1907 | 5/2-9/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| J. E. Radis | radis-000je- | 1907 | +5/12+ | Great Falls MT | Independent | , | |
| J. E. Radis | radis-000je- | 1907 | +9/1+ | Anac.-Mill & Smel | Independent | , | |
| Jack Rafter | rafter001joh | 1907 | 5/13-5/19 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Jack Rafter | rafter001joh | 1907 | 6/17-6/21 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Jack Rafter | rafter001joh | 1907 | 7/18-9/22 | Syracuse Stars | New York State League | , | |
| Tom Raftery | rafter001tho | 1907 | 4/8-9/2 | Charleston Sea Gulls | South Atlantic League | , | |
| Tom Raftery | rafter001tho | 1907 | 41 g. | Portland Beavers | Pacific Coast League | , | |
| William Raftis | 1907 | 5/1-6/30+ | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Arthur Ragan | reagan001art | 1907 | 4/9-9/12 | Birmingham Barons | Southern Association | , | |
| Pat Ragan | ragan-001don | 1907 | 4/19-9/13 | Omaha Rourkes | Western League | , | |
| Steven Ragan | ragan-001ste | 1907 | 5/2-9/22 | Topeka White Sox | Western Association | , | |
| William Ragan | 1907 | 5/14-9/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Benjamin Ragsdale | ragsda001ben | 1907 | 94 g. | Temple Boll Weevils | Texas League | , | |
| George Ragsdale | ragsda001sco | 1907 | 34 g. | Greenville Hunters | North Texas League | , | |
| George Ragsdale | ragsda001sco | 1907 | 17 g. | Galveston Sand Crabs | Texas League | , | |
| Joe Raidy | raidy-001jos | 1907 | 5/9-9/22 | Albany Senators | New York State League | , | |
| Thomas Railing | railin001tho | 1907 | Bluffton IN | , | |||
| Thomas Railing | railin001tho | 1907 | 5/16-9/22 | Tecumseh | Southern Michigan League | , | |
| Clarence Raley | 1907 | 22 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Daniel Raley | 1907 | 5/1- | 31 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Daniel Raley | 1907 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |||
| John Raley | 1907 | 4/18-9/21 | Roanoke Tigers | Virginia League | , | ||
| Ross Raley | 1907 | 63 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Doc Ralston | ralsto001sam | 1907 | U. Pittsburgh | College | , | ||
| Doc Ralston | ralsto001sam | 1907 | 5/2-5/15+ | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Doc Ralston | ralsto001sam | 1907 | 5/27-9/2 | Scottdale Giants | Western Pennsylvania League | , | |
| Al Rambo | 1907 | Phil.-Frankfort | Independent | , | |||
| John Ramey | ramey-002joh | 1907 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Everett Ramsey | 1907 | Cherokee Indians | Independent | , | |||
| George Ramsey | ramsey001geo | 1907 | 5/9-6/2 | Eau Claire Tigers | Wisconsin State League | , | |
| George Ramsey | ramsey002geo | 1907 | 4/24-6/21 | Wilmington Peaches | Tri-State League | , | |
| George Ramsey | ramsey002geo | 1907 | 7/3-9/22 | Scranton Miners | New York State League | , | |
| Hank Ramsey | ramsey001hen | 1907 | 5/9-9/22 | Scranton Miners | New York State League | , | |
| Wayne Ramsey | 1907 | Wash.&Jeff. Col. | College | , | |||
| Wayne Ramsey | 1907 | Pitt.-Collegians | Independent | , | |||
| Wayne Ramsey | 1907 | +8/17+ | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Randall | 1907 | 6/17-6/18 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Harry Randall | 1907 | Des Moines Champs | Western League | , | |||
| Harry Randall | 1907 | Quincy Gems | Iowa League | , | |||
| Newt Randall | randal001new | 1907 | 22 g. | Chicago | National League | Chicago, IL | |
| Newt Randall | randal001new | 1907 | 75 g. | Boston | National League | Boston, MA | |
| William Rankin | rankin001wil | 1907 | New London Whalers | Connecticut State League | , | ||
| Edward Ransick | ransic001edw | 1907 | 4/8-6/ | Columbia Gamecocks | South Atlantic League | , | |
| Edward Ransick | ransic001edw | 1907 | 7/5- | Augusta Tourists | South Atlantic League | , | |
| Julian Ransom | 1907 | 14 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Rapp | 1907 | 5/20 | Evansville River Rats | Central League | , | ||
| Frank Rapp | 1907 | 5/28-8/6 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Louis Rapp | rapp--001lou | 1907 | 4/25-8/28 | Baltimore Orioles | Eastern League | , | |
| William Rapp | 1907 | 4/13-9/14 | Shreveport Pirates | Southern Association | , | ||
| William Rapps | rapps-001wil | 1907 | 5/2-9/22 | Oklahoma City Mets | Western Association | , | |
| Clarence Rarey | 1907 | 22 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Bill Rariden | raride001wil | 1907 | +8/3+ | Alliance OH | Independent | , | |
| Bill Rariden | raride001wil | 1907 | +9/5-9/6+ | Canton Chinamen | Central League | , | |
| Ratchett | 1907 | 1 g. | Hutchinson Salt Packers | Western Association | , | ||
| Michael Ratchford | 1907 | 4/12-5/4 | Montgomery Senators | Southern Association | , | ||
| Charles Rathburn | 1907 | 5/7-6/24 | Ottumwa Packers | Iowa League | , | ||
| James M? Raub | 1907 | 7/11-7/23 | Newark | Atlantic League | , | ||
| Tommy Raub | raub--001tho | 1907 | 5/1-9/12 | Lancaster Red Roses | Tri-State League | , | |
| Deacon Rawson | 1907 | 21 g. | Pine Tree | Maine State League | , | ||
| Frank Ray | 1907 | 45 g. | Mobile Sea Gulls | Cotton States League | , | ||
| John Ray | ray---006joh | 1907 | 5/2-6/ | Leavenworth Convicts | Western Association | , | |
| John Ray | ray---006joh | 1907 | 6/17-7/ | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| John Ray | ray---006joh | 1907 | Philadelphia | American League | Philadelphia, PA | ||
| Thomas Rayburn | raybur001--- | 1907 | 34 g. | Greenville Hunters | North Texas League | , | |
| Fred Raymer | raymer001fre | 1907 | 4/24-9/14 | Johnstown Johnnies | Tri-State League | , | |
| Bugs Raymond | raymon001art | 1907 | 4/11-4/12 | Jackson Senators | Cotton States League | , | |
| Bugs Raymond | raymon001art | 1907 | 4/17-9/29 | Charleston Sea Gulls | South Atlantic League | , | |
| Bugs Raymond | raymon001art | 1907 | 8 g. | St. Louis | National League | St. Louis, MO | |
| Tealey Raymond | raymon002fra | 1907 | 120 g. | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Edward Reagan | 1907 | 114 g. | Monroe Municipals | Gulf Coast League | , | ||
| Steve Reagan | reagan001ste | 1907 | 4/20-9/15 | Toledo Mud Hens | American Association | , | |
| John Reardon | 1907 | 7/18-9/22 | Battle Creek Crickets | Southern Michigan League | , | ||
| John Reardon | 1907 | 5/14-8/31 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Phil Reardon | reardo001phi | 1907 | 5/8-9/7 | Brockton Tigers | New England League | , | |
| Rechkemer | 1907 | 5/29-7/25 | Auburn | Empire State League | , | ||
| Rechkemer | 1907 | 8/2-8/21 | Lyons | Empire State League | , | ||
| Leonard Reddick | 1907 | +6/3-9/12+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Wallace Reddick | reddic001wal | 1907 | 4/17-6/15 | Denver Grizzlies | Western League | , | |
| Wallace Reddick | reddic001wal | 1907 | 6/27-7/13 | Charleston Sea Gulls | South Atlantic League | , | |
| Wallace Reddick | reddic001wal | 1907 | 7/21-9/15 | Lincoln Treeplanters | Western League | , | |
| James Redfearn | 1907-08 | +5/23+ | U. of Georgia | College | , | ||
| James Redfearn | 1907-08 | 16 g. | Charlotte | Carolina League | , | ||
| Harry Redman | redman001har | 1907 | 5/1-9/26 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Harry Redmond | redmon001har | 1907 | 4/11-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| Samuel Redus | redus-000sam | 1907 | 4 g. | Greenville Hunters | North Texas League | , | |
| Cliff Reece | 1907 | 5/2-8/7+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Reed | 1907 | 7/19-7/20 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| B. Reed | 1907 | 45 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Billie Reed | 1907 | 45 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Charles Reed | 1907 | 6/13-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Ed Reed | 1907 | 7/16-7/20 | Taylorville Tailors | Eastern Illinois League | , | ||
| Edward Reed | reed--001edw | 1907 | Battle Creek Crickets | Southern Michigan League | , | ||
| Francis Reed | 1907 | 5/10-9/21 | Albany Senators | New York State League | , | ||
| George Reed | reed--003geo | 1907 | 5/1-9/15 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| George Reed | 1907 | McPherson KS | Independent | , | |||
| Ray Reed | reed--002ray | 1907 | 1 g. | Oakland Oaks | Pacific Coast League | , | |
| Thomas Reed | reed--001tho | 1907 | 5/2-9/22 | Springfield Midgets | Western Association | , | |
| W. Reed | 1907 | 7 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| W. Reed | 1907 | 15 g. | Terrell Red Stockings | North Texas League | , | ||
| Reeder | 1907 | Brigeton NJ | Independent | , | |||
| Grover Reeder | reeder002gro | 1907 | 5/1- | 21 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , |
| Grover Reeder | reeder002gro | 1907 | 7/13-8/15 | Wheeling Stogies | Central League | , | |
| Grover Reeder | reeder002gro | 1907 | +8/29-9/11+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Reese | 1907 | 68 g. | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Reese | 1907 | 5/10-5/23 | Scottdale Giants | Western Pennsylvania League | , | ||
| Charles Reese | reese-001cha | 1907 | Gainesville TX | Independent | , | ||
| Charles Reese | reese-001cha | 1907 | Dallas Giants | Texas League | , | ||
| Ralph Reeve | 1907 | 4/18-9/21 | Richmond Colts | Virginia League | , | ||
| Rufus Refrange | 1907 | +6/28+ | New London Whalers | Connecticut State League | , | ||
| Joseph Reggy | 1907 | 4/18-9/7 | Danville Red Sox | Virginia League | , | ||
| Frank Reich | 1907 | , | |||||
| William Reid | 1907 | Scammon KS | Independent | , | |||
| Bill Reidy | reidy-001wil | 1907 | 23 g. | Oakland Oaks | Pacific Coast League | , | |
| Jack Reidy | 1907 | U. of Alabama | College | , | |||
| Reilley | 1907 | 7/30-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| Alexander Reilley | reille001ale | 1907 | 4/20-6/24 | Columbus Senators | American Association | , | |
| Alexander Reilley | reille001ale | 1907 | 7/29-8/16 | Columbus Senators | American Association | , | |
| Reilly | 1907 | 7/2 | Brooklyn | Atlantic League | , | ||
| Daniel Reilly | 1907 | Dallas Giants | Texas League | , | |||
| Daniel Reilly | 1907 | Galveston Sand Crabs | Texas League | , | |||
| Emmett Reilly | 1907 | 6/6-9/15 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Josh Reilly | reilly002wil | 1907 | San Jose Prune Pickers | California State League | , | ||
| Tom Reilly | reilly002tho | 1907 | 4/11-9/6+ | Gulfport Crabs | Cotton States League | , | |
| Tom Reilly | reilly002tho | 1907 | 6/2, 6/9 | New Orleans Pelicans | Southern Association | , | |
| Clifford Reinhart | 1907 | 4/8-4/12 | Augusta Tourists | South Atlantic League | , | ||
| Clifford Reinhart | 1907 | 5/20-7/27 | Greenville Mountaineers | South Carolina League | , | ||
| Clifford Reinhart | 1907 | 8/12-9/21 | Danville Red Sox | Virginia League | , | ||
| John Reischman | 1907 | 5/14-9/8 | Brooklyn | Atlantic League | , | ||
| Phil Reisinger | reisin001phi | 1907 | 4/8-9/2 | Charleston Sea Gulls | South Atlantic League | , | |
| Doc Reisling | reisli001fra | 1907 | 5/1-9/12 | Lancaster Red Roses | Tri-State League | , | |
| Andrew Reiss | reiss-001and | 1907 | 4/26-7/5 | Fall River Indians | New England League | , | |
| George Reitz | reitz-001geo | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| George Reitz | reitz-001geo | 1907 | Chic.-Riverviews | Chicago City League | , | ||
| George Reitz | reitz-001geo | 1907 | 7/9-9/22 | Oshkosh Indians | Wisconsin State League | , | |
| Henry Reitz | reitz-001hen | 1907 | Chic.-Riverviews | Independent | , | ||
| Henry Reitz | reitz-001hen | 1907 | 7/19-7/29 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Clarence Relf | reid--001r-- | 1907 | Norfolk Tars | Virginia League | , | ||
| Clarence Relf | reid--001r-- | 1907 | 109 g. | Lafayette Browns | Gulf Coast League | , | |
| Butch Rementer | rement001wil | 1907 | 4/24-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Perry Reniker | 1907 | 4/20-5/14 | Tacoma Tigers | Northwestern League | , | ||
| Perry Reniker | 1907 | 85 g. | Vancouver Canucks | Northwestern League | , | ||
| Renz | 1907 | 5/12-7/30 | Pana Coal Miners | Eastern Illinois League | , | ||
| William Renzenbrink | renzen000--- | 1907 | StL-Globes | Independent | , | ||
| William Renzenbrink | renzen000--- | 1907 | 8/4-9/9 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Retzer | 1907 | 5/2-5/15 | Fairmont Champions | Western Pennsylvania League | , | ||
| Lefty Retzsch | 1907 | 5/5 | Fairmont Champions | Western Pennsylvania League | , | ||
| Arthur Reuber | 1907 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |||
| Robert Revelle | 1907 | Portsmouth Truckers | Virginia League | , | |||
| Robert Revelle | 1907 | Richmond Colts | Virginia League | , | |||
| Reynolds | 1907 | 5/8-7/17 | Chester/Tamaqua | Atlantic League | , | ||
| Frank Reynolds | reynol002fra | 1907 | 5/1-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Fred Reynolds | 1907 | 4/29-9/7 | Worcester Busters | New England League | , | ||
| Jesse Reynolds | reynol001jes | 1907 | 4/19-9/21 | Roanoke Tigers | Virginia League | , | |
| Tommy Reynolds | reynol001tho | 1907 | Erie Sailors | Interstate League | , | ||
| Rhemacker | 1907 | 6/9=6/11 | Elizabeth | Atlantic League | , | ||
| John Rhoades | 1907 | 24 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| John Rhoades | 1907 | 7/2-7/27 | Lynchburg Shoemakers | Virginia League | , | ||
| Charlie Rhodes | rhodes001cha | 1907 | 4/26-9/11 | Trenton Tigers | Tri-State League | , | |
| Frank Rhoton | rhoton001fra | 1907 | 123 g. | Macon Brigands | South Atlantic League | , | |
| Howard Rhynders | rhynde001how | 1907 | Elmira NY | Independent | , | ||
| Arthur Rice | rice--001art | 1907 | 7/19-9/8 | Allentown | Atlantic League | , | |
| Laurence Rice | rice--001law | 1907 | Waterbury Authors | Connecticut State League | , | ||
| Laurence Rice | rice--001law | 1907 | Bristol CT | Independent | , | ||
| Rich | 1907 | 5/4-5/8+ | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Richards | 1907 | 5/20-5/25 | Anderson Electricians | South Carolina League | , | ||
| Richards | 1907 | 7/29-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| Richards | 1907 | 8/24 | Columbia Gamecocks | South Atlantic League | , | ||
| Frank Richards | richar001fra | 1907 | 4/10-9/14 | Memphis Egyptians | Southern Association | , | |
| Richardson | 1907 | 16 g. | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Richardson | 1907 | 25 g. | Tecumseh | Southern Michigan League | , | ||
| Richardson | 1907 | 5/8-5/10 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Albert Richardson | richar001a-- | 1907 | 24 g. | Austin Senators | Texas League | , | |
| Albert Richardson | richar001a-- | 1907 | 16 g. | Orange Hoo-Hoos | Gulf Coast League | , | |
| Albert Richardson | richar001a-- | 1907 | 24 g. | Austin Senators | Texas League | , | |
| Albert Richardson | richar001a-- | 1907 | 16 g. | Orange Hoo-Hoos | Gulf Coast League | , | |
| Bill Richardson | richar006wil | 1907 | 4/25-9/15 | Dayton Veterans | Central League | , | |
| J. A. Richardson | 1907 | 5/21-7/13 | Jackson Convicts | Southern Michigan League | , | ||
| J. A. Richardson | 1907 | 7/20-8/28 | Tecumseh | Southern Michigan League | , | ||
| J. L. Richardson | 1907 | 6/29-7/6 | Lawrence Colts | New England League | , | ||
| Samuel Richardson | 1907 | 5/22-8/10 | Sumter Gamecocks | South Carolina League | , | ||
| Samuel Richardson | 1907 | 8/24 | Columbia Gamecocks | South Atlantic League | , | ||
| Samuel Richardson | 1907 | 9/3-9/4 | Charleston Sea Gulls | South Atlantic League | , | ||
| Walter Richardson | richar001wal | 1907 | 5/2-9/5+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Lew Richie | richie001elw | 1907 | 25 g. | Philadelphia | National League | Philadelphia, PA | |
| JoJo Rickard | 1907 | 5/14-6/11 | Battle Creek Crickets | Southern Michigan League | , | ||
| Walter Rickard | 1907 | 4/25-5/9 | Danville Red Sox | Virginia League | , | ||
| Walter Rickard | 1907 | 5/20-8/9 | Orangeburg Edistoes | South Carolina League | , | ||
| Walter Rickard | 1907 | 8/15-9/21 | Roanoke Tigers | Virginia League | , | ||
| Joe Rickert | ricker001jos | 1907 | 4/10-9/14 | New Orleans Pelicans | Southern Association | , | |
| Rickey | 1907 | 9/1 | Elizabeth | Atlantic League | , | ||
| Branch Rickey | rickey001wes | 1907 | 52 g. | New York | American League | New York, NY | |
| Riehl | 1907 | 6/23-6/30 | Chester/Tamaqua | Atlantic League | , | ||
| George Rigby | rigby-003--- | 1907 | Butler White Sox | Western Pennsylvania League | , | ||
| George Rigby | rigby-003--- | 1907 | ELiverp-Lewis | County | , | ||
| Robert Riggs | riggs-002rob | 1907 | 5/12-6/4 | Syracuse Stars | New York State League | , | |
| Robert Riggs | riggs-002rob | 1907 | 6/13-7/16 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Charles Rigler | rigler001cy- | 1907-35 | MLB Umpire | National League | , | ||
| Riley | 1907 | 723 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Riley | 1907 | 7/20-7/27 | Allentown | Atlantic League | , | ||
| Riley | 1907 | 7/30-9/22 | Umpire | New York State League | , | ||
| Daniel Riley | riley-001dan | 1907 | Dallas Giants | Texas League | , | ||
| Daniel Riley | riley-001dan | 1907 | Galveston Sand Crabs | Texas League | , | ||
| Ed. Riley | 1907 | 6/2-6/27 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| F. Riley | 1907 | 5/30-7/23 | Easton | Atlantic League | , | ||
| J. Riley | 1907 | 6/18-6/30 | Easton | Atlantic League | , | ||
| Lawrence Riley | 1907 | Holy Cross Col | College | , | |||
| Lawrence Riley | 1907 | Springfield Ponies | Connecticut State League | , | |||
| Lawrence Riley | 1907 | 5/16-6/8 | Lowell Tigers | New England League | , | ||
| William Riley | 1907 | Erie Sailors | Interstate League | , | |||
| Rimby | 1907 | 7/27-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Hockey Ringer | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Frank Rinn | rinn--002fra | 1907 | 4/9-9/14 | Umpire | Southern Association | , | |
| Frank Ripley | ripley001fra | 1907 | Dillon UT | Independent | , | ||
| Frank Ripley | ripley001fra | 1907 | 8/10-10/6 | Spokane Indians | Northwestern League | , | |
| Pop Rising | rising001per | 1907 | 121 g. | Springfield Ponies | Connecticut State League | , | |
| Dud Risley | risley001dud | 1907 | 5/2-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Dud Risley | risley001dud | 1907 | 8/13-9/22 | Springfield Midgets | Western Association | , | |
| Fred Ritchie | 1907 | 5/2-8/6+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Albert Ritter | ritter001alb | 1907 | 57 g. | Paris Athletics | North Texas League | , | |
| Albert Ritter | ritter001alb | 1907 | 6 g. | Galveston Sand Crabs | Texas League | , | |
| Harvey Ritter | ritter002har | 1907 | 5/1-5/20 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Harvey Ritter | ritter002har | 1907 | 5/30-7/23 | Easton | Atlantic League | , | |
| Harvey Ritter | ritter002har | 1907 | 7/26-8/6 | Reading | Atlantic League | , | |
| Ad C. Ritzman | 1907 | +6/11-8/6+ | Wahoo NE | Independent | , | ||
| George Rivald | 1907 | 8/3 | Fall River Indians | New England League | , | ||
| Roach | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Roach | 1907 | Sharon Giants | Ohio-Pennsylvania League | , | |||
| John Roach | roach-003joh | 1907 | 5/1-7/6 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| John Roach | roach-003joh | 1907 | 12 g. | Jacksonville Lunatics | Iowa League | , | |
| Mike Roach | roach-001mik | 1907 | 5/9-9/21 | Binghamton Bingoes | New York State League | , | |
| Roxey Roach | roach-001wil | 1907 | 44 g. | Punxsutawney Policemen | Interstate League | , | |
| Roxey Roach | roach-001wil | 1907 | 9/11-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Frederick Robarge | robarg001fre | 1907 | 45 g. | Springfield Ponies | Connecticut State League | , | |
| Frederick Robarge | robarg001fre | 1907 | 8/16- | Hartford Senators | Connecticut State League | , | |
| Robb | 1907 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |||
| Clay Robb | robb--001cla | 1907 | 43 g. | San Antonio Bronchos | Texas League | , | |
| Roberts | 1907 | 25 g. | Opelousas Indians | Gulf Coast League | , | ||
| Roberts | 1907 | Seattle Siwashes | Northwestern League | , | |||
| Roberts | 1907 | 5/6-5/12 | Allentown | Atlantic League | , | ||
| Roberts | 1907 | 8/10-9/7 | Reading | Atlantic League | , | ||
| Fred Roberts | 1907 | 5/1- | 66 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Harry Roberts | robert003har | 1907 | Gulfport Crabs | Cotton States League | , | ||
| R. W.? Roberts | 1907 | 9/17 | Albany Senators | New York State League | , | ||
| James Robertson | robert007jam | 1907 | 5/29-9/20 | Wilkes-Barre Barons | New York State League | , | |
| Thomas Robertson | 1907 | +3/24+ | Clemson Univ. | College | , | ||
| Thomas Robertson | 1907 | 6/24-8/2 | Spartanburg Spartans | South Carolina League | , | ||
| William Robertson | robert009wil | 1907 | 5/3-9/13 | Wheeling Stogies | Central League | , | |
| Dave Robidon | 1907 | 5 g. | Galveston Sand Crabs | Texas League | , | ||
| Bernard Robinson | 1907 | U. of Indiana | College | , | |||
| Bernard Robinson | 1907 | +7/28-8/31+ | Terre Haute Hottentots | Central League | , | ||
| Jack Robinson | robins006joh | 1907 | 4/9-9/4 | Macon Brigands | South Atlantic League | , | |
| James Robinson | robins009j-- | 1907 | 5/1-6/8 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| Joshua Robinson | robins005jos | 1907 | 4/29-8/29 | New Bedford Whalers | New England League | , | |
| McCain Robinson | 1907 | 4/14-9/18 | Jackson Senators | Cotton States League | , | ||
| Rabbit Robinson | robins003wil | 1907 | 4/17-9/16 | Milwaukee Brewers | American Association | , | |
| Wilbert Robinson | robins001wil | 1907 | 6/15 | Baltimore Orioles | Eastern League | , | |
| Chick Robitaille | robita001jos | 1907 | 4/18-9/15 | Columbus Senators | American Association | , | |
| Rochberger | 1907 | +9/7+ | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Roche | 1907 | 5/2-7/19 | Butler White Sox | Western Pennsylvania League | , | ||
| Mike Rochford | rochfo001mic | 1907 | Roanoke Tigers | Virginia League | , | ||
| Mike Rochford | rochfo001mic | 1907 | 8/23-9/8 | Reading | Atlantic League | , | |
| Rochon | 1907 | Seat.-Renton | Independent | , | |||
| Rochon | 1907 | 8/2 | Seattle Siwashes | Northwestern League | , | ||
| Arthur Rochon | robert041--- | 1907 | +8/31 | 15 g. | Vancouver Canucks | Northwestern League | , |
| Arthur Rochon | robert041--- | 1907 | +9/22-10/13+ | Everett WA | Independent | , | |
| Walter Rochon | rochon000wal | 1907 | +8/2-8/3+ | Butte Miners | Northwestern League | , | |
| Walter Rochon | rochon000wal | 1907 | Spokane Indians | Northwestern League | , | ||
| Walter Rochon | rochon000wal | 1907 | +9/1-10/13+ | Everett WA | Independent | , | |
| Roy Rock | rock--002roy | 1907 | 7/28,9/3,9/16 | Providence Grays | Eastern League | , | |
| Rockefeller | 1907 | 7/7-7/9 | Oskaloosa Quakers | Iowa League | , | ||
| Ike Rockenfield | rocken001isa | 1907 | 4/10-9/14 | Little Rock Travelers | Southern Association | , | |
| Ike Rockenfield | rocken001isa | 1907 | 16 g. | Spokane Indians | Northwestern League | , | |
| Edward Rodebaugh | rodeba001edw | 1907 | 4/26-5/28 | St. Paul Saints | American Association | , | |
| Edward Rodebaugh | rodeba001edw | 1907 | 6/10-7/6 | Denver Grizzlies | Western League | , | |
| Edward Rodebaugh | rodeba001edw | 1907 | 7/17-8/16 | Keokuk Indians | Iowa League | , | |
| Edward Rodebaugh | rodeba001edw | 1907 | 8/24-9/12 | St. Paul Saints | American Association | , | |
| Rodgers | 1907 | 19 g. | Tacoma Tigers | Northwestern League | , | ||
| Rodgers | 1907 | 7/22-7/28 | Montreal Royals | Eastern League | , | ||
| Chester Rodgers | rodger001che | 1907 | 44 g. | Calgary Bronchos | Western Canada League | , | |
| Fred Rodgers | 1907 | 71 g. | Lethbridge Miners | Western Canada League | , | ||
| Clarence Rodman | rodman001c-- | 1907 | +7/21+ | DillonMT | Independent | , | |
| Harry Roeper | 1907 | 5/29-8/31 | Scottdale Giants | Western Pennsylvania League | , | ||
| Rogers | 1907 | 8/20 | Pottsville | Atlantic League | , | ||
| A. V. Rogers | 1907 | 5/9-7/7 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| A. V. Rogers | 1907 | 7/9-8/13 | Madison Senators | Wisconsin State League | , | ||
| Edward Rogers | 1907 | LA Tech | College | , | |||
| Edward Rogers | 1907 | 27 g. | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| James Rogers | rogers004jam | 1907 | 5/18-9/1 | Houghton Giants | Northern-Copper Country League | , | |
| Terry Rogers | rogers001ter | 1907 | 19 g. | Bridgeport Orators | Connecticut State League | , | |
| Terry Rogers | rogers001ter | 1907 | +8/3-9/9+ | Umpire | Connecticut State League | , | |
| William Rogers | rogers001wil | 1907 | 35 g. | Waterbury Authors | Connecticut State League | , | |
| William Rogers | rogers003wil | 1907 | 5/1-8/2+ | 31 g. | Washington | Pennsylvania-Ohio-Maryland League | , |
| Mark Rognes | 1907 | Minn.-Toozies | Independent | , | |||
| Mark Rognes | 1907 | 5/16-5/30+ | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Rohe | 1907 | 7/4 | Butler White Sox | Western Pennsylvania League | , | ||
| George Rohe | rohe--001geo | 1907 | Chicago | American League | Chicago, IL | ||
| Dick Rohn | rohn--001ric | 1907 | 5/2-9/18 | Joplin Miners | Western Association | , | |
| William Roland | roland001wil | 1907 | 5/7-9/15 | Jacksonville Lunatics | Iowa League | , | |
| Ferdinand Rollander | rollan001--- | 1907 | +4/7-4/28+ | San Francisco Seals | Pacific Coast League | , | |
| Ferdinand Rollander | rollan001--- | 1907 | +7/+, +9/15+ | Oakland Commuters | California State League | , | |
| Ferdinand Rollander | rollan001--- | 1907 | +8/18+ | Alameda | California League | , | |
| A. J. Romer | 1907 | 5/14-5/30+ | New Haven Blues | Connecticut State League | , | ||
| Thomas Ronan | 1907 | 4/26-9/2+ | Terre Haute Hottentots | Central League | , | ||
| Rooney | 1907 | bef.5/6 | 3 g. | Meridian Ribboners | Cotton States League | , | |
| William Roosevelt | 1907 | 41 g. | Butte Miners | Northwestern League | , | ||
| John Root | root--001joh | 1907 | 5/7-9/22 | Joplin Miners | Western Association | , | |
| Hugh Rorty | 1907 | 4/25-5/2 | Umpire | Eastern League | , | ||
| Hugh Rorty | 1907 | Umpire | Connecticut State League | , | |||
| Charles Rose | rose--004cha | 1907 | 5/7-9/15 | Burlington Pathfinders | Iowa League | , | |
| Rosenbach | 1907 | 5/18-5/25 | Scottdale Giants | Western Pennsylvania League | , | ||
| Ross | 1907 | 6/30 | Chester/Tamaqua | Atlantic League | , | ||
| Art Ross | ross--001art | 1907 | 4/20-10/4 | Seattle Siwashes | Northwestern League | , | |
| William Ross | 1907 | 5/8-7/2 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| William Ross | 1907 | -8/15 | 19 g. | Hartford Senators | Connecticut State League | , | |
| William Ross | 1907 | 8/17-9/8 | Elizabeth | Atlantic League | , | ||
| Rossbach | 1907 | +4/16+ | Camden NJ Stars | Independent | , | ||
| Claude Rossman | rossma001cla | 1907 | 153 g. | Detroit | American League | Detroit, MI | |
| Roth | 1907 | 8/12 | Allentown | Atlantic League | , | ||
| Andy Roth | roth--001and | 1907 | 4/8-9/2 | Jacksonville Jays | South Atlantic League | , | |
| Bill Roth | roth--001wil | 1907 | 4/11-9/18 | Meridian Ribboners | Cotton States League | , | |
| Frank Roth | roth--001fra | 1907 | 4/21-9/16 | Milwaukee Brewers | American Association | , | |
| Walter Roth | 1907 | 5/2-9/2+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Rothermel | 1907 | Norfolk Tars | Virginia League | , | |||
| Bobby Rothermel | rother001bob | 1907 | 4/18-5/3 | Norfolk Tars | Virginia League | , | |
| Bobby Rothermel | rother001bob | 1907 | 82 g. | Bradford Drillers | Interstate League | , | |
| James Rothermel | 1907 | Reading-RobesonReadCity | , | ||||
| Wilson Rothermel | rother002wil | 1907 | Reading-RobesonReadCity | , | |||
| Jack Rothfuss | rothfu001jac | 1907 | 74 g. | Hartford Senators | Connecticut State League | , | |
| Allen Roudebush | 1907 | +6/24-9/ | Wheeling Stogies | Central League | , | ||
| Billy Rourke | rourke001wil | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| Thomas Rouse | 1907 | 5/9-9/15 | Quincy Gems | Iowa League | , | ||
| Foster Routh | 1907 | Charleston Med | College | , | |||
| Foster Routh | 1907 | 5/21-7/10 | Anderson Electricians | South Carolina League | , | ||
| Foster Routh | 1907 | 7/18-7/22 | Spartanburg Spartans | South Carolina League | , | ||
| Dave Rowan | rowan-001dav | 1907 | 4/20- | 120 g. | Spokane Indians | Northwestern League | , |
| Jack Rowan | rowan-001joh | 1907 | 4/11-6/19 | Atlanta Crackers | Southern Association | , | |
| Jack Rowan | rowan-001joh | 1907 | 7/16-9/4 | Macon Brigands | South Atlantic League | , | |
| Webster Rowe | 1907 | 6/20-6/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Webster Rowe | 1907 | 7/16-9/25 | Pana Coal Miners | Eastern Illinois League | , | ||
| Clarence Rowland | rowlan001pan | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Roy | 1907 | 5/17-6/14 | Duluth White Sox | Northern-Copper Country League | , | ||
| Charlie Roy | roy---001cha | 1907 | 4/29-5/30 | Newark Sailors | Eastern League | , | |
| Charlie Roy | roy---001cha | 1907 | 6/5-6/18 | Wilmington Peaches | Tri-State League | , | |
| Charlie Roy | roy---001cha | 1907 | 6/21- | 15 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Charlie Roy | roy---001cha | 1907 | 9/8-9/11 | Akron Champs | Ohio-Pennsylvania League | , | |
| Clarence Royer | 1907 | 6/10-6/18 | Centralia White Stockings/Paris Colts | Eastern Illinois League | , | ||
| Clarence Royer | 1907 | 6/20-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Jesse Ruby | ruby--001jes | 1907 | 5/1-9/15 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Nap Rucker | rucker001geo | 1907 | Brooklyn | National League | Brooklyn, NY | ||
| Orlando Rudd | rudd--001o-- | 1907 | 123 g. | Quincy Gems | Iowa League | , | |
| Frank Rudderham | rudder001fra | 1907 | 4/9-9/14 | Umpire | Southern Association | , | |
| Frank Rudderham | rudder001fra | 1907 | 9/27- | 6 g. | MLB Umpire | National League | , |
| John Rudderham | rudder001joh | 1907 | , | ||||
| John Rudinski | rudins001joh | 1907 | 5/10-8/22 | Scranton Miners | New York State League | , | |
| Dick Rudolph | rudolp001ric | 1907 | 5/2-9/21 | Toronto Maple Leafs | Eastern League | , | |
| John Rudolph | rudolp001joh | 1907 | 107 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Harry Ruh | ruh---001har | 1907 | 4/12-4/24+ | Meridian Ribboners | Cotton States League | , | |
| Harry Ruh | ruh---001har | 1907 | 8 g. | Dayton Veterans | Central League | , | |
| Gus Ruhland | ruhlan001gus | 1907 | Holyoke Papermakers | Connecticut State League | , | ||
| Gus Ruhland | ruhlan001gus | 1907 | 5/13-9/21 | Norfolk Tars | Virginia League | , | |
| Louis Runkel | runkle001lou | 1907 | 5/2-9/22 | Topeka White Sox | Western Association | , | |
| Clyde Rupert | rupert000red | 1907 | , | ||||
| Harry Rush | 1907 | 43 g. | Seattle Siwashes | Northwestern League | , | ||
| Russell | 1907 | Aberdeen Black Cats | Northwestern League | , | |||
| Russell | 1907 | 6/28-6/30 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Clyde Russell | russel001cly | 1907 | 4/8-5/24 | Columbia Gamecocks | South Atlantic League | , | |
| Clyde Russell | russel001cly | 1907 | 5/26-7/26 | Anderson Electricians | South Carolina League | , | |
| Clyde Russell | russel001cly | 1907 | 8/12 | Macon Brigands | South Atlantic League | , | |
| Cy Russell | russel002fra | 1907 | Oakland Commuters | California State League | , | ||
| Edward Russell | 1907 | 5/15-9/7 | Worcester Busters | New England League | , | ||
| H. L. Russell | russel000roy | 1907 | 5/1- | Waterville WA | Independent | , | |
| John Russell | russel006jac | 1907 | 98 g. | Fort Worth Panthers | Texas League | , | |
| John Russell | russel006jac | 1907 | Galveston Sand Crabs | Texas League | , | ||
| William Russell | 1907 | 87 g. | Calgary Bronchos | Western Canada League | , | ||
| Rust | 1907 | 5/18-5/21 | Flint Vehicles | Southern Michigan League | , | ||
| Austin Rutherford | ruther001aus | 1907 | 5/9-9/22 | Utica Pent-Ups | New York State League | , | |
| Ryan | 1907 | 73 g. | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Ryan | 1907 | 18 g. | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Ryan | 1907 | 5/9-7/11 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Ryan | 1907 | 5/11 | Oskaloosa Quakers | Iowa League | , | ||
| Ryan | 1907 | 5/28 | Lansing Senators | Southern Michigan League | , | ||
| Ryan | 1907 | 7/19 | Binghamton Bingoes | New York State League | , | ||
| Ryan | 1907 | 7/1 | Allentown | Atlantic League | , | ||
| Ryan | 1907 | 6/21 | Lyons | Empire State League | , | ||
| Ryan | 1907 | 6/8-6/12 | Oswego | Empire State League | , | ||
| J. Ryan | 1907 | 6/14-6/18 | Lansing Senators | Southern Michigan League | , | ||
| Jack Ryan | ryan--004joh | 1907 | 4/24-9/24 | Buffalo Bisons | Eastern League | , | |
| Jack Ryan | ryan--001jac | 1907 | 4/11-9/18 | Gulfport Crabs | Cotton States League | , | |
| James Ryan | ryan--017jam | 1907 | 5/30-9/6 | Seneca Falls | Empire State League | , | |
| John Ryan | 1907 | 5/28-5/30 | Sumter Gamecocks | South Carolina League | , | ||
| John Ryan | 1907 | 6/4-6/22 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| John Ryan | 1907 | 4/17-9/15 | Pueblo Indians | Western League | , | ||
| Paul Ryan | ryan--003pau | 1907 | 5/14-6/7 | Mount Clemens Bathers | Southern Michigan League | , | |
| Paul Ryan | ryan--003pau | 1907 | 6/18-7/30 | Flint Vehicles | Southern Michigan League | , | |
| Paul Ryan | ryan--003pau | 1907 | 8/1-9/22 | Kalamazoo White Sox | Southern Michigan League | , | |
| R. Ryan | 1907 | 8 g. | Olean Refiners | Interstate League | , | ||
| Raymond Ryan | ryan--001ray | 1907 | 4/30-9/21 | Danville Red Sox | Virginia League | , | |
| T. Patrick Ryan | 1907 | Flint Vehicles | Southern Michigan League | , | |||
| T. Patrick Ryan | 1907 | Kalamazoo White Sox | Southern Michigan League | , | |||
| Thomas Ryan | 1907 | New London | , | ||||
| Thomas Ryan | 1907 | 18 g. | Lewiston | Maine State League | , | ||
| William Ryan | ryan--006wil | 1907 | 5/9-8/19 | Keokuk Indians | Iowa League | , | |
| William Ryan | ryan--006wil | 1907 | 8/21-9/29 | Taylorville Tailors | Eastern Illinois League | , | |
| Edwin Sabrie | sabrie001edw | 1907 | 4/10-9/14 | New Orleans Pelicans | Southern Association | , | |
| Herbert Sackett | 1907 | Trenton MO | Independent | , | |||
| Herbert Sackett | 1907 | Buff.-Shriners | Independent | , | |||
| Joseph Safford | saffor001jos | 1907 | 5/9-9/32 | Oshkosh Indians | Wisconsin State League | , | |
| Leo Sage | sage--001leo | 1907 | 5/9-9/19 | Oshkosh Indians | Wisconsin State League | , | |
| James Sager | sager-001jam | 1907 | 4/25-9/15 | Evansville River Rats | Central League | , | |
| Harry Saillard | sailla001har | 1907 | 4/11-9/18 | Jackson Senators | Cotton States League | , | |
| Guy Saint | 1907 | 7/27-9/28 | Taylorville Tailors | Eastern Illinois League | , | ||
| Eugene Salisbury | 1907 | 6/12-9/12 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Eugene Salisbury | 1907 | 6/12-9/12 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Slim Sallee | sallee001har | 1907 | 4/25-9/6 | Williamsport Millionaires | Tri-State League | , | |
| Walter Salm | salm--001wal | 1907 | 135 g. | Fort Worth Panthers | Texas League | , | |
| Arthur Salter | salter001a-- | 1907 | +5/16+ | Wichita St Col | College | , | |
| Arthur Salter | salter001a-- | 1907 | +6/30+ | Arkansas City KS | Independent | , | |
| Gus Salve | salve-001aug | 1907 | 4/20-9/19 | Richmond Colts | Virginia League | , | |
| John Salzinger | 1907 | Bangor | Blue Mountain League | , | |||
| John Salzinger | 1907 | 9/5 | Pottsville | Atlantic League | , | ||
| Guy Sample | sample001guy | 1907 | 4/11-9/18 | Meridian Ribboners | Cotton States League | , | |
| Lee Samuels | 1907 | U. of Idaho | College | , | |||
| Lee Samuels | 1907 | 23 g. | Spokane Indians | Northwestern League | , | ||
| Lee Samuels | 1907 | Butte Miners | Northwestern League | , | |||
| Gonzalo Sanchez | 1907 | 6/4-7/31 | Brooklyn | Atlantic League | , | ||
| Sanders | 1907 | Fox River League | , | ||||
| Sanders | 1907 | 7/16-7/27 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Sanders | 1907 | 7/25-7/26 | Mount Clemens Bathers | Southern Michigan League | , | ||
| War Sanders | sander001war | 1907 | 4/23-9/15 | Omaha Rourkes | Western League | , | |
| Sanderson | 1907 | 5/29 | Oswego | Empire State League | , | ||
| Sandham | 1907 | 7/1-7/5 | Quincy Gems | Iowa League | , | ||
| Nelson Sandherr | sandhe001nel | 1907 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Sanford | 1907 | 5/29-6/1 | Geneva | Empire State League | , | ||
| Sanford | 1907 | 6/4-9/4 | Oswego | Empire State League | , | ||
| Frank Sanger | 1907 | Kalamazoo Col | College | , | |||
| Frank Sanger | 1907 | 6/17-9/14 | Johnstown Johnnies | Tri-State League | , | ||
| Sapp | 1907 | 6/30 | Hutchinson Salt Packers | Western Association | , | ||
| Frank Sargent | 1907 | 37 g. | Erie Sailors | Interstate League | , | ||
| Jack Sarver | 1907 | Newton KS | Independent | , | |||
| Saunders | 1907 | 3 g. | Paris Athletics | North Texas League | , | ||
| Raymond Saveland | 1907 | Milw.- | Milwaukee City League | , | |||
| Ralph Savidge | savidg001ral | 1907 | 4/11-9/2 | Jacksonville Jays | South Atlantic League | , | |
| Kenneth Sawyer | 1907 | 28 g. | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Si Sawyer | 1907 | 3 g. | San Francisco Seals | Pacific Coast League | , | ||
| Doc Scanlan | scanla001wil | 1907 | 17 g. | Brooklyn | National League | Brooklyn, NY | |
| Frank Scanlan | scanla002fra | 1907-09 | U. of Notre Dame | College | , | ||
| Frank Scanlan | scanla002fra | 1907 | 8/1-8/12 | Seneca Falls | Empire State League | , | |
| Bud Scanlon | 1907 | 5/1-5/16 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Bud Scanlon | 1907 | 7/13-9/25 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Edward Schaaf | schaaf001ed- | 1907 | 5/8-5/24 | Keokuk Indians | Iowa League | , | |
| Edward Schaaf | schaaf001ed- | 1907 | 5/29-9/15 | Oskaloosa Quakers | Iowa League | , | |
| Schaefer | 1907 | 6/8 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Frank? Schaefer | 1907 | 8/6 | Flint Vehicles | Southern Michigan League | , | ||
| George Schaefer | schaef002geo | 1907 | 4/28-9/12 | Terre Haute Hottentots | Central League | , | |
| Germany Schaefer | schaef001her | 1907 | Detroit | American League | Detroit, MI | ||
| Schafer | 1907 | 6/7 | Pottsville | Atlantic League | , | ||
| Louis Schan | schan-001lou | 1907 | 5/1-9/3 | Jacksonville Jays | South Atlantic League | , | |
| Henry Scharnweber | scharn001hen | 1907 | 5/1-9/15 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Frank Schaub | schaub001fra | 1907 | 5/16-9/22 | Madison Senators | Wisconsin State League | , | |
| Louis Schaub | schaub001lou | 1907 | 5/27 | Ottumwa Packers | Iowa League | , | |
| Louis Schettler | schett001lou | 1907 | 5/5-9/9 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Lou Schiappacasse | schiap001lou | 1907 | 5/11-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Schillinger | 1907 | 8/? | Meridian Ribboners | Cotton States League | , | ||
| Schillinger | 1907 | +8/6+ | Columbus Discoverers | Cotton States League | , | ||
| George Schirm | 1907 | 4/29-9/24 | Buffalo Bisons | Eastern League | , | ||
| Larry Schlafly | schlaf001har | 1907 | 24 g. | Washington | American League | Washington, DC | |
| Larry Schlafly | schlaf001har | 1907 | 6/22-9/22 | Toronto Maple Leafs | Eastern League | , | |
| Edward Schlatter | schlat001edw | 1907 | 5/5-9/1+ | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Peter Schlensker | 1907 | 8/1-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Schlitter | 1907 | +6/21+ | Utica Pent-Ups | New York State League | , | ||
| Victor Schlitzer | schlit001vic | 1907 | 5/9-9/18 | Utica Pent-Ups | New York State League | , | |
| Ernie Schmaltz | schmal001ern | 1907 | Bloomsburg Norm | College | , | ||
| Ernie Schmaltz | schmal001ern | 1907 | no g. | Providence Grays | Eastern League | , | |
| Ernie Schmaltz | schmal001ern | 1907 | 73 g. | Franklin Millionaires | Interstate League | , | |
| John Schmetsky | 1907 | 4/24 | Lynchburg Shoemakers | Virginia League | , | ||
| John Schmetsky | 1907 | 5/2-7/11 | Fairmont Champions | Western Pennsylvania League | , | ||
| George Schmick | 1907 | 4/29-5/20 | Canton Chinamen | Central League | , | ||
| George Schmick | 1907 | Alliance OH | Trolley League | , | |||
| Schmidt | 1907 | 5/4-5/26 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| Schmidt | 1907 | 5/8-5/18+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Schmidt | 1907 | 7/8-7/30 | Green Bay Orphans | Wisconsin State League | , | ||
| August Schmidt | schmid001aug | 1907 | 93 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Boss Schmidt | schmid001cha | 1907 | Detroit | American League | Detroit, MI | ||
| Charles Schmidt | schmid003cha | 1907 | +8/16+ | Baltimore B&O | Independent | , | |
| Charles Schmidt | schmid003cha | 1907 | 9/3-9/21 | Baltimore Orioles | Eastern League | , | |
| Henry Schmidt | schmid004hen | 1907 | 4/26 | Nashville Volunteers | Southern Association | , | |
| Henry Schmidt | schmid004hen | 1907 | 5/27-7/27 | Anderson Electricians | South Carolina League | , | |
| Henry Schmidt | schmid004hen | 1907 | 8/7-8/10 | Nashville Volunteers | Southern Association | , | |
| Walter Schmidt | 1907 | 5/12-5/13 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| John Schmirler | 1907 | 5/16-6/1 | Green Bay Orphans | Wisconsin State League | , | ||
| John Schmirler | 1907 | 9/13 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Crazy Schmit | schmit001fre | 1907 | 8/25-8/28 | Umpire | Illinois-Indiana-Iowa League | , | |
| August Schnack | 1907 | Hudson Marines | Hudson River League | , | |||
| Schnaughnrssy | 1907 | 8/23-8/26 | Marshalltown Snappers | Iowa League | , | ||
| Frank Schneiberg | schnei001fra | 1907 | 4/19-9/15 | Milwaukee Brewers | American Association | , | |
| E. H. Schoester | 1907 | 4/24 | Des Moines Champs | Western League | , | ||
| Emmett Schofield | schofi001emm | 1907 | 4/20- | 78 g. | Vancouver Canucks | Northwestern League | , |
| Thomas Schoonhoven | schoon001tho | 1907 | 5/9-9/22 | Freeport Pretzels | Wisconsin State League | , | |
| Grant Schopp | schopp001gra | 1907 | 4/9-4/25 | Atlanta Crackers | Southern Association | , | |
| Grant Schopp | schopp001gra | 1907 | 4/30-7/20 | Augusta Tourists | South Atlantic League | , | |
| Grant Schopp | schopp001gra | 1907 | 8/13-9/11 | Nashville Volunteers | Southern Association | , | |
| August Schrader | 1907 | +7/19-8/17+ | Sparrow’s Point | Independent | , | ||
| Joe Schrall | schral001jos | 1907 | 5/9-9/20 | Scranton Miners | New York State League | , | |
| Ossee Schrecongost | schrec001oss | 1907 | Philadelphia | American League | Philadelphia, PA | ||
| David Schreiber | 1907 | 38 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Frank Schreiner | schrin001f-- | 1907 | 5/9-5/27 | Oshkosh Indians | Wisconsin State League | , | |
| Frank Schreiner | schrin001f-- | 1907 | Stevens Point WI | Independent | , | ||
| Schrier | 1907 | 6/20 | Lyons | Empire State League | , | ||
| Pop Schriver | schriv001wil | 1907 | 4/24-9/13 | Harrisburg Senators | Tri-State League | , | |
| Schrode | 1907 | 5/2-5/10+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Schroeder | 1907 | Bradford Drillers | Interstate League | , | |||
| Schroeder | 1907 | 7/30-8/15 | Geneva | Empire State League | , | ||
| Len Schroeder | 1907 | 5/17-6/7+ | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Len Schroeder | 1907 | 6/23-9/4 | Burlington Pathfinders | Iowa League | , | ||
| Michael Schroeder | 1907 | 8/26-9/7 | New Bedford Whalers | New England League | , | ||
| Schuck | 1907 | 8/7-8/8 | Brooklyn | Atlantic League | , | ||
| Samuel Schuetz | 1907 | 5/7,6/24-6/28 | Taylorville Tailors | Eastern Illinois League | , | ||
| Schuler | 1907 | 5/22 | Chester/Tamaqua | Atlantic League | , | ||
| Frank Schulte | schult001fra | 1907 | Chicago | National League | Chicago, IL | ||
| Jack Schulte | schult003joh | 1907 | Cinc.-College Hills | Cincinnati Saturday League | , | ||
| Jack Schulte | schult003joh | 1907 | 7/23- | 4 g. | Dayton Veterans | Central League | , |
| Schultz | 1907 | 67 g. | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Schultz | 1907 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |||
| Schultz | 1907 | 5/3-7/13 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Schultz | 1907 | 8/7-8/12 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Edward Schultz | 1907 | 5/20-9/22 | Syracuse Stars | New York State League | , | ||
| George Schultz | schult001geo | 1907 | 5/9-9/19 | Scranton Miners | New York State League | , | |
| Henry Schultz | 1907 | 4/18-9/18 | Meridian Ribboners | Cotton States League | , | ||
| Pete Schultz | 1907 | 5/10-5/27 | Fairmont Champions | Western Pennsylvania League | , | ||
| Schulund | 1907 | 5/4-6/28 | Brooklyn | Atlantic League | , | ||
| Edward Schulze | 1907 | 5/20-9/22 | Syracuse Stars | New York State League | , | ||
| Schuman | 1907 | 5/4-9/8 | Elizabeth | Atlantic League | , | ||
| Hack Schumann | schuma002car | 1907 | 4/13 | Little Rock Travelers | Southern Association | , | |
| Hack Schumann | schuma002car | 1907 | 4/22-7/31 | Portsmouth Truckers | Virginia League | , | |
| Hack Schumann | schuma002car | 1907 | 8/6-9/6 | Reading | Atlantic League | , | |
| Henry Schurch | schurc001hen | 1907 | 46 g. | Lethbridge Miners | Western Canada League | , | |
| Jack Schuster | schust001--- | 1907 | Umpire | Texas League | , | ||
| Jack Schuster | schust001--- | 1907 | 8/24-9/22 | Umpire | Western Association | , | |
| Matty Schwab | schwab001mat | 1907 | Cincinnati | National League | Cincinnati, OH | ||
| Schwartz | 1907 | 5/14-5/16 | Flint Vehicles | Southern Michigan League | , | ||
| Bill Schwartz | schwar003wil | 1907 | 5/1-9/29 | Akron Champs | Ohio-Pennsylvania League | , | |
| Charles Schwartz | schwar001cha | 1907 | 4/24-9/15 | Altoona Mountaineers | Tri-State League | , | |
| Charles Schwartz | schwar001cha | 1907 | Tacoma Tigers | Northwestern League | , | ||
| Al Schweitzer | schwei001alb | 1907 | 5/1-9/1 | Newark Newks | Ohio-Pennsylvania League | , | |
| Rudy Schwenck | schwen001rud | 1907 | 4/10-9/4 | Columbia Gamecocks | South Atlantic League | , | |
| John Scission | 1907 | 5/2-5/9 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Scobie | 1907 | 8/15 | Richmond Colts | Virginia League | , | ||
| Arlo Scoggins | scoggi001arl | 1907 | 5/2-9/22 | Oklahoma City Mets | Western Association | , | |
| Scott | 1907 | +7/3+ | 9 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Bobby Scott | 1907 | 6/11-6/15 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Edward Scott | scott-001ed- | 1907 | 5/9-9/21 | Freeport Pretzels | Wisconsin State League | , | |
| George Scott | scott-004geo | 1907 | 4/24-7/15 | Johnstown Johnnies | Tri-State League | , | |
| George Scott | scott-004geo | 1907 | 7/26-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Jim Scott | scott-001jam | 1907 | 5/9-9/14 | Oskaloosa Quakers | Iowa League | , | |
| Joseph Scott | scott-004jos | 1907 | Freeport Pretzels | Wisconsin State League | , | ||
| Joseph Scott | scott-004jos | 1907 | Ottawa IL | Independent | , | ||
| Joseph Scott | scott-004jos | 1907 | 18 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Orrie Scott | 1907 | 4/26-5/31 | Wheeling Stogies | Central League | , | ||
| Orrie Scott | 1907 | +6/22-7/3+ | 9 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Orrie Scott | 1907 | +8/31-9/13 | Terre Haute Hottentots | Central League | , | ||
| Orrie Scott | 1907 | 9/27 | Pana Coal Miners | Eastern Illinois League | , | ||
| Trammel Scott | 1907 | 5/6-5/13 | Augusta Tourists | South Atlantic League | , | ||
| Trammel Scott | 1907 | 5/20-7/27 | Greenville Mountaineers | South Carolina League | , | ||
| William Scudder | scudde001wil | 1907 | 5/7-5/18 | Chester/Tamaqua | Atlantic League | , | |
| William Scudder | scudde001wil | 1907 | Mgr Pollock | Pennsylvania-Ohio-Maryland League | , | ||
| John Scully | 1907 | 5/30-9/6 | Seneca Falls | Empire State League | , | ||
| James Seabough | seabou001jam | 1907 | 5/9-8/17 | Montgomery Senators | Southern Association | , | |
| James Seabough | seabou001jam | 1907 | 8/28-9/22 | Springfield Midgets | Western Association | , | |
| Seaford | 1907 | 7/17 | Chester/Tamaqua | Atlantic League | , | ||
| Jimmy Seagraves | seagra001cha | 1907 | Pottsville | Atlantic League | , | ||
| Jimmy Seagraves | seagra001cha | 1907 | Perkasie PA | Independent | , | ||
| Frank Sealts | 1907 | 8/21-8/22 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Search | 1907 | 7/10-7/30 | Chester/Tamaqua | Atlantic League | , | ||
| Search | 1907 | 8/2-8/16 | Allentown | Atlantic League | , | ||
| Thomas Searles | searle001tho | 1907 | 5/10-7/20 | Waterloo Cubs | Iowa League | , | |
| Thomas Searles | searle001tho | 1907 | 7/29-8/9 | Marshalltown Snappers | Iowa League | , | |
| Thomas Searles | searle001tho | 1907 | 8/11-8/22 | Waterloo Cubs | Iowa League | , | |
| Samuel Seay | 1907 | West Virginia U. | College | , | |||
| Samuel Seay | 1907 | 5/19- | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Sebrie | 1907 | 5/4 | Newark | Atlantic League | , | ||
| Jimmy Sebring | sebrin001jam | 1907 | 4/24-7/6 | Williamsport Millionaires | Tri-State League | , | |
| Jimmy Sebring | sebrin001jam | 1907 | 7/8-7/25 | Wilmington Peaches | Tri-State League | , | |
| William Sedgwick | sedgwi001wil | 1907 | 5/8-9/14 | Ottumwa Packers | Iowa League | , | |
| Henry Seebach | 1907 | 5/2-5/12 | Leavenworth Convicts | Western Association | , | ||
| Henry Seebach | 1907 | 5/23-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| William Seery | 1907 | 5/23-9/8 | Elizabeth | Atlantic League | , | ||
| Paul Seiber | 1907 | 92 g. | Richmond Colts | Virginia League | , | ||
| Seibold | 1907 | +8/13+ | Temple Boll Weevils | Texas League | , | ||
| George Seigle | seigle001geo | 1907 | 5/2-6/13 | Oklahoma City Mets | Western Association | , | |
| Edward Seikmeyer | 1907 | 5/8-7/6+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Edward Seikmeyer | 1907 | +7/9-8/7 | Springfield Midgets | Western Association | , | ||
| Edward Seikmeyer | 1907 | +8/28-9/22 | Topeka White Sox | Western Association | , | ||
| Charles Seitz | 1907 | 4/18-9/21 | Norfolk Tars | Virginia League | , | ||
| Kip Selbach | selbac001alb | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Orville Selby | selby-001orv | 1907 | Baker Univ. | College | , | ||
| Orville Selby | selby-001orv | 1907 | 5/30-9/13 | Leavenworth Convicts | Western Association | , | |
| Frank Selee | selee-001fra | 1907 | 4/17-6/1 | Pueblo Indians | Western League | , | |
| Reed Self | self--004--- | 1907 | 1 g. | Terrell Red Stockings | North Texas League | , | |
| Reed Self | self--004--- | 1907 | Umpire | Northern Texas League | , | ||
| Reed Self | self--004--- | 1907 | 7/18+ | Umpire | Texas League | , | |
| Sellers | 1907 | preseason | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Sellers | 1907 | Taylorville Tailors | Eastern Illinois League | , | |||
| Oliver Sellers | seller001oli | 1907 | 5/1-9/28 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Selling | 1907 | 6/8 | Tecumseh | Southern Michigan League | , | ||
| Harry Selvage | 1907 | - 9/13 | 58 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Daniel Senno | senno-001dan | 1907 | no g. | Wilkes-Barre Barons | New York State League | , | |
| Daniel Senno | senno-001dan | 1907 | 8/20-8/24 | Auburn | Empire State League | , | |
| Frederick Sensenbach | 1907 | 94 g. | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Paul Sentell | sentel001leo | 1907 | - 4/27 | 3 g. | Philadelphia | National League | Philadelphia, PA |
| Paul Sentell | sentel001leo | 1907 | 5/4-8/13 | Jersey City Skeeters | Eastern League | , | |
| Bert Senter | senter001--- | 1907 | +5/14-5/20+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Bert Senter | senter001--- | 1907 | +6/14-7/23+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Billy Serad | serad-001bil | 1907 | , | ||||
| Albert Servatius | servat001alb | 1907 | 5/1-6/11 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Albert Servatius | servat001alb | 1907 | 6/12-8/7 | Columbus Senators | American Association | , | |
| Albert Servatius | servat001alb | 1907 | +8/23-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Servis | 1907 | 6/30 | Reading | Atlantic League | , | ||
| Perry Sessions | sessio001per | 1907 | 4/19-5/23 | Des Moines Champs | Western League | , | |
| James Setley | 1907 | 5/1-9/15 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Seward | 1907 | Hoboken NJ | Independent | , | |||
| Seward | 1907 | 7/9,7/27 | Brooklyn | Atlantic League | , | ||
| Seward | 1907 | 7/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Walter Seward | 1907 | 5/7-6/1 | Chester/Tamaqua | Atlantic League | , | ||
| Joe Shackleton | shackl001jos | 1907 | 7/4-8/20 | Easton | Atlantic League | , | |
| Ed. Shafer | schaef001e-- | 1907 | 5/7-5/13 | Oskaloosa Quakers | Iowa League | , | |
| Ed. Shafer | schaef001e-- | 1907 | 5/16-6/6 | Marshalltown Snappers | Iowa League | , | |
| Ed. Shafer | schaef001e-- | 1907 | 6/15-6/16 | Keokuk Indians | Iowa League | , | |
| Roy Shafer | 1907 | 5/11-6/6 | Marion Moguls | Ohio-Pennsylvania League | , | ||
| Shaffer | 1907 | 5/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Charlie Shaffer | shaffe001cha | 1907 | 4/18-7/4 | Richmond Colts | Virginia League | , | |
| Charlie Shaffer | shaffe001cha | 1907 | 42 g. | Seattle Siwashes | Northwestern League | , | |
| Shanabrook | shanna001war | 1907 | +7/27+ | Salem OH | Independent | , | |
| Bert Shaner | shaner001ber | 1907 | 5/4-9/15 | Webb City Goldbugs | Western Association | , | |
| Howie Shanks | shanks001how | 1907 | Monaca PA | Semi-professional | , | ||
| Shannon | 1907 | 7/28-8/15 | Bay City | Southern Michigan League | , | ||
| Dan Shannon | shanno004dan | 1907 | 5/9-6/9 | Umpire | New York State League | , | |
| Frank Shannon | shanno002fra | 1907 | 4/26-9/7 | Lowell Tigers | New England League | , | |
| Owen Shannon | shanno001owe | 1907 | 4/18-4/27 | Minneapolis Millers | American Association | , | |
| Owen Shannon | shanno001owe | 1907 | 5/18-6/2 | Des Moines Champs | Western League | , | |
| Owen Shannon | shanno001owe | 1907 | 6/6-8/2 | Minneapolis Millers | American Association | , | |
| Owen Shannon | shanno001owe | 1907 | 8/10- | Des Moines Champs | Western League | , | |
| Owen Shannon | shanno001owe | 1907 | -8/24 | 4 g. | Washington | American League | Washington, DC |
| Owen Shannon | shanno001owe | 1907 | 29 g. | Des Moines Champs | Western League | , | |
| Spike Shannon | shanno003wil | 1907 | 155 g. | New York | National League | New York, NY | |
| Sharp | 1907 | 6/27-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| Sharp | 1907 | 5 g. | Flint Vehicles | Southern Michigan League | , | ||
| Thomas Sharp | 1907 | 4/18-4/20 | Portsmouth Truckers | Virginia League | , | ||
| Bud Sharpe | sharpe001bay | 1907 | 4/25-9/22 | Newark Sailors | Eastern League | , | |
| Fred Sharpe | 1907 | 8/4-8/25 | Pottsville | Atlantic League | , | ||
| Shag Shaughnessy | shaugh001fra | 1907 | 77 g. | San Francisco Seals | Pacific Coast League | , | |
| Shag Shaughnessy | shaugh001fra | 1907 | 8/22-9/8 | Freeport Pretzels | Wisconsin State League | , | |
| August Shaumeyer | schaum001aug | 1907 | 5/2-9/22 | Leavenworth Convicts | Western Association | , | |
| Clinton Shaver | shaver001g-- | 1907 | 5/20-6/29 | Greenville Mountaineers | South Carolina League | , | |
| Shaw | 1907 | 5/14-5/16 | Lansing Senators | Southern Michigan League | , | ||
| Shaw | 1907 | 6/17 | Fulton | Empire State League | , | ||
| Al Shaw | shaw--001alf | 1907 | 76 g. | Boston | American League | Boston, MA | |
| Al Shaw | shaw--003alb | 1907 | 111 g. | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Al Shaw | shaw--003alb | 1907 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Al Shaw | shaw--003alb | 1907 | 9/28- | 9 g. | St. Louis | National League | St. Louis, MO |
| C. E. Shaw | 1907 | 6/20-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Carl Shaw | 1907 | +4/28+ | Yakima WA | Independent | , | ||
| Frank Shaw | shaw--001fra | 1907 | 5/8-7/30 | Oskaloosa Quakers | Iowa League | , | |
| Frank Shaw | shaw--001fra | 1907 | 8/9-9/22 | Madison Senators | Wisconsin State League | , | |
| Hunky Shaw | shaw--001roy | 1907 | 4/20-10/6 | Tacoma Tigers | Northwestern League | , | |
| Jesse Shaw | 1907 | +5/10+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Jesse Shaw | 1907 | 5/16-5/18 | Umpire | Oklahoma-Arkansas-Kansas League | , | ||
| John Shaw | shaw--007joh | 1907 | 5/9-9/22 | Utica Pent-Ups | New York State League | , | |
| P. F. Shaw | 1907 | 22 g. | Paris Athletics | North Texas League | , | ||
| P. F. Shaw | 1907 | 1 g. | Terrell Red Stockings | North Texas League | , | ||
| Danny Shay | shay--001dan | 1907 | New York | National League | New York, NY | ||
| Shea | 1907 | 8/4-8/22 | Sioux City Packers | Western League | , | ||
| Shea | 1907 | 7/24-8/3 | Butler White Sox | Western Pennsylvania League | , | ||
| Danny Shea | shea--001dan | 1907 | 4/20-9/22+ | Tacoma Tigers | Northwestern League | , | |
| Dennie Shea | shea--001den | 1907 | 5/10 | Augusta Tourists | South Atlantic League | , | |
| Dennie Shea | shea--001den | 1907 | 5/28-6/7 | Greenville Mountaineers | South Carolina League | , | |
| Dennie Shea | shea--001den | 1907 | 6/13-6/15 | Umpire | South Atlantic League | , | |
| Dennie Shea | shea--001den | 1907 | 7/19-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Dennie Shea | shea--001den | 1907 | 8/31 | Columbia Gamecocks | South Atlantic League | , | |
| Dennie Shea | shea--001den | 1907 | 9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Nap Shea | shea--001joh | 1907 | 4/26-9/21 | Newark Sailors | Eastern League | , | |
| Peter Shea | shea--001pet | 1907 | 5/1-5/10 | Umpire | Illinois-Indiana-Iowa League | , | |
| Dave Shean | shean-001dav | 1907 | 4/24-9/24 | Montreal Royals | Eastern League | , | |
| Shearer | 1907 | 6/24-6/26 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Clarence Sheehan | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | ||
| Dan Sheehan | sheeha001dan | 1907 | 4/17-8/11 | Sioux City Packers | Western League | , | |
| Tommy Sheehan | sheeha003tho | 1907 | 75 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Everitt Sheffield | 1907 | 24 g. | Paris Athletics | North Texas League | , | ||
| William Sheffield | sheffi001--- | 1907 | Ardmore IT | Independent | , | ||
| William Sheffield | sheffi001--- | 1907 | Chickasha | Independent | , | ||
| William Sheffield | sheffi001--- | 1907 | 24 g. | Paris Athletics | North Texas League | , | |
| William Sheffield | sheffi001--- | 1907 | 7/3- | Gainesville Tx | Independent | , | |
| Ben Shelton | shelto001ben | 1907 | 114 g. | Temple Boll Weevils | Texas League | , | |
| Robert Shelton | shelto004rob | 1907 | 48 g. | Paris Athletics | North Texas League | , | |
| Sheridan | sherid012--- | 1907 | 8/1 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Jack Sheridan | sherid001jac | 1907 | MLB Umpire | American League | , | ||
| Joe? Sheridan | 1907 | 6/28-8/5 | Syracuse Stars | New York State League | , | ||
| Joe? Sheridan | 1907 | 8/10-9/7 | Fulton | Empire State League | , | ||
| Joseph Sheridan | 1907 | 5/11-6/18 | Chester/Tamaqua | Atlantic League | , | ||
| William Sherman | sherma002w-- | 1907 | +7/23+ | Atlantic City NJ | Independent | , | |
| William Sherman | sherma002w-- | 1907 | 8/18-9/10 | Jersey City Skeeters | Eastern League | , | |
| George Sherwood | sherwo002geo | 1907 | 124 g. | New Haven Blues | Connecticut State League | , | |
| Shevlin | 1907 | 9/8 | Easton | Atlantic League | , | ||
| Shibe | 1907 | 5/1-5/2 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Shibe | 1907 | 5/12 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Shibe | 1907 | 5/14 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Shields | 1907 | 6/20-6/22 | Syracuse Stars | New York State League | , | ||
| Shields | 1907 | 6/27-7/2 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Shields | 1907 | 7/6-7/19 | Seneca Falls | Empire State League | , | ||
| Shields | 1907 | 7/17 | Madison Senators | Wisconsin State League | , | ||
| Charlie Shields | shield002cha | 1907 | 5/2 | Altoona Mountaineers | Tri-State League | , | |
| Charlie Shields | shield002cha | 1907 | -6/10 | 3 g. | St. Louis | National League | St. Louis, MO |
| Charlie Shields | shield002cha | 1907 | 7/28-9/8 | Memphis Egyptians | Southern Association | , | |
| Chester Shields | 1907 | 5/7-6/16 | Reading | Atlantic League | , | ||
| Chester Shields | 1907 | 35 g. | Oil City-Jamestown Oseejays | Interstate League | , | ||
| James Shields | 1907 | Gelena IL | Independent | , | |||
| James Shields | 1907 | 6/28 | Oshkosh Indians | Wisconsin State League | , | ||
| James Shields | 1907 | 7/22-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Herman Shincel | shince001her | 1907 | 117 g. | Waterbury Authors | Connecticut State League | , | |
| Morris Shincup | shinca000--- | 1907 | +10/2+ | Butler-Merchants | Independent | , | |
| Joseph Shine | 1907 | 4/27 | Brockton Tigers | New England League | , | ||
| James Shinn | 1907 | 39 g. | Sacramento Cordovas | California State League | , | ||
| James Shinn | 1907 | 51 g. | Portland Beavers | Pacific Coast League | , | ||
| Bill Shipke | shipke001wil | 1907 | 4/17-7/9 | Des Moines Champs | Western League | , | |
| Bill Shipke | shipke001wil | 1907 | 64 g. | Washington | American League | Washington, DC | |
| Frank Shipp | shipp-000ski | 1907 | Chat.-Dux | ChatCity | , | ||
| Frank Shipp | shipp-000ski | 1907 | Sewanee Univ. | College | , | ||
| Fred? Shires | 1907 | 5/24- | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Shirley | 1907 | +5/22+ | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| George Shoch | shoch-001geo | 1907 | Phil.-Frankfort | Independent | , | ||
| G. Herman Shoffner | shoffn001g-- | 1907 | 5/3 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| G. Herman Shoffner | shoffn001g-- | 1907 | 5/9-8/16+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Harry Short | 1907 | 134 g. | Austin Senators | Texas League | , | ||
| Shortell | 1907 | 4/27 | Wilmington Peaches | Tri-State League | , | ||
| Shortell | 1907 | 6/10-6/19 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Ed Shortell | shorte001edw | 1907 | 5/8-9/20 | Scranton Miners | New York State League | , | |
| Lawrence Shotwell | 1907 | +4/27+ | Rochester PA | Independent | , | ||
| Lawrence Shotwell | 1907 | +7/20+ | Beaver Falls PA | Independent | , | ||
| Eugene Shour | shour-001eug | 1907 | 5/7-9/15 | Waterloo Cubs | Iowa League | , | |
| Caleb Shriver | shrive001cal | 1907 | 5/1- | 101 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , |
| Shultz | 1907 | 5/3- | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Eddie Shultz | shultz001edw | 1907 | Reading-F.O.E | Independent | , | ||
| Eddie Shultz | shultz001edw | 1907 | 7/3-7/20 | Reading | Atlantic League | , | |
| Toots Shultz | shultz001wal | 1907 | +5/18+ | Mercersburg Acad | High School | , | |
| Toots Shultz | shultz001wal | 1907 | Pitt.-Collegians | Independent | , | ||
| Toots Shultz | shultz001wal | 1907-11 | U. of Pennsylvania | College | , | ||
| Paul Sieber | 1907 | Gettysburg Col. | College | , | |||
| Paul Sieber | 1907 | 6/20- | 92 g. | Richmond Colts | Virginia League | , | |
| Johnny Siegle | siegle001joh | 1907 | 4/17-9/15 | Indianapolis Indians | American Association | , | |
| Ed Siever | siever001edw | 1907 | Detroit | American League | Detroit, MI | ||
| Thurse Sigman | sigima001ter | 1907 | Newport Tri-City | Independent | , | ||
| Thomas Silcox | 1907 | 5/4-6/4 | Easton | Atlantic League | , | ||
| Thomas Silcox | 1907 | +7/10+ | Vineland NJ | Independent | , | ||
| Augustine Sillery | 1907 | 5/17-8/26 | Pottsville | Atlantic League | , | ||
| Augustine Sillery | 1907 | 8/29-9/7 | Brooklyn | Atlantic League | , | ||
| Silva | 1907 | 5/31-9/7 | Lyons | Empire State League | , | ||
| Simmerman | 1907 | +7/9-7/23+ | Millerville NJ | Independent | , | ||
| Simmerman | 1907 | 8/6-8/16 | Elizabeth | Atlantic League | , | ||
| Simmons | 1907 | 7/12 | Lynchburg Shoemakers | Virginia League | , | ||
| Earl Simmons | 1907 | Loudonville OH | Independent | , | |||
| Earl Simmons | 1907 | 9/19-9/22 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Hack Simmons | simmon001geo | 1907 | +9/8-9/13 | Dayton Veterans | Central League | , | |
| Simon | 1907 | 5/3-5/18 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Mike Simon | simon-003mic | 1907 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| Mike Simon | simon-003mic | 1907 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Simpson | 1907 | Kane Mountaineers | Interstate League | , | |||
| Fred Simpson | 1907 | Clarksburg Bees | Western Pennsylvania League | , | |||
| Guy Simpson | 1907 | Fort Worth Panthers | Texas League | , | |||
| Sims | 1907 | 49 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Billy Sims | 1907 | 8/4- | Umpire | Western Pennsylvania League | , | ||
| Bert Sincock | sincoc001her | 1907 | 23 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| Siner | 1907 | +6/27-8/6+ | Calumet Aristocrats | Northern-Copper Country League | , | ||
| Hosea Siner | siner-001hos | 1907 | 6/3 | South Bend Greens | Central League | , | |
| Hosea Siner | siner-001hos | 1907 | 6/8-6/10 | Dayton Veterans | Central League | , | |
| Hosea Siner | siner-001hos | 1907 | 6/13-6/22+ | South Bend Greens | Central League | , | |
| Hosea Siner | siner-001hos | 1907 | 6/30-7/1 | Shelbyville Queen Citys | Eastern Illinois League | , | |
| Hosea Siner | siner-001hos | 1907 | 8/28-9/29 | Pana Coal Miners | Eastern Illinois League | , | |
| Lawrence Sinex | sinex-001law | 1907 | 5/4-7/15 | Pottsville | Atlantic League | , | |
| Charles Sisler | sisler001cha | 1907 | Denv.-Hanover | Independent | , | ||
| Charles Sisler | sisler001cha | 1907 | 6/30 | Denver Grizzlies | Western League | , | |
| Carl Sitton | sitton001car | 1907 | 4/10-9/3 | Jacksonville Jays | South Atlantic League | , | |
| Henry Sitton | 1907 | 5/20-8/9 | Spartanburg Spartans | South Carolina League | , | ||
| Sivey | 1907 | 4/12+ | Gulfport Crabs | Cotton States League | , | ||
| Walter Sizemore | sizemo001wal | 1907 | preseason | Fort Worth Panthers | Texas League | , | |
| Walter Sizemore | sizemo001wal | 1907 | 5/4-5/18+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Walter Sizemore | sizemo001wal | 1907 | 8/15-9/15+ | Hutchinson Salt Packers | Western Association | , | |
| Skillman | 1907 | +8/28+ | Princeton-Mercer | Independent | , | ||
| Alfred Skillman | 1907 | +5/30-7/22+ | Bridgeton NJ | Independent | , | ||
| Alfred Skillman | 1907 | 7/30-8/10+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Walt Slagle | slagle001wal | 1907 | 4/20-9/15 | Indianapolis Indians | American Association | , | |
| Cyril Slapnicka | 1907 | 5/7-8/19 | Marshalltown Snappers | Iowa League | , | ||
| Cyril Slapnicka | 1907 | 8/29-9/14 | Burlington Pathfinders | Iowa League | , | ||
| Asa Slater | slater001asa | 1907 | no g. | Topeka White Sox | Western Association | , | |
| Asa Slater | slater001asa | 1907 | Goodland KS | Independent | , | ||
| Jack Slattery | slatte001joh | 1907 | 5/1-6/3 | Johnstown Johnnies | Tri-State League | , | |
| Jack Slattery | slatte001joh | 1907 | 8/7-9/15 | Sioux City Packers | Western League | , | |
| Walter Slear | slear-001wal | 1907 | 5/14-9/22 | Tecumseh | Southern Michigan League | , | |
| Charles Slevin | 1907 | 5/1-6/30 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Charles Slevin | 1907 | 7/3-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| William Sline | sline-001wil | 1907 | 4/28-9/6 | Worcester Busters | New England League | , | |
| Sloan | 1907 | 5/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Bill Smink | smink-001wil | 1907 | 5/1- | Umpire | Pennsylvania-Ohio-Maryland League | , | |
| Bill Smink | smink-001wil | 1907 | +7/4-9/28 | Umpire | Ohio-Pennsylvania League | , | |
| Smith | 1907 | 4/10-4/21 | Shreveport Pirates | Southern Association | , | ||
| Smith | 1907 | 11 g. | Greenville Hunters | North Texas League | , | ||
| Smith | 1907 | 1 g. | Corsicana Oilers/Desperados | North Texas League | , | ||
| Smith | 1907 | 2 g. | Terrell Red Stockings | North Texas League | , | ||
| Smith | 1907 | 8/1-9/8 | Reading | Atlantic League | , | ||
| Smith | 1907 | 6/10 | Newark | Atlantic League | , | ||
| Smith | 1907 | 7/7-7/23 | Sioux City Packers | Western League | , | ||
| Smith | 1907 | 7/22 | Pottsville | Atlantic League | , | ||
| Smith | 1907 | 9/8 | Elizabeth | Atlantic League | , | ||
| Smith | 1907 | 5/15-6/7 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Smith | 1907 | 8/9-8/15 | Oshkosh Indians | Wisconsin State League | , | ||
| Smith | 1907 | +5/8+ | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Smith | 1907 | +6/6-6/12+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Smith | 1907 | 5/24 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Smith | 1907 | 7/4-7/5 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Smith | 1907 | 8/27 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Smith | 1907 | Willimantic | Connecticut State League | , | |||
| Anthony Smith | smith-001ant | 1907 | 4/10-4/21 | Shreveport Pirates | Southern Association | , | |
| Anthony Smith | smith-001ant | 1907 | 85 g. | Galveston Sand Crabs | Texas League | , | |
| Anthony Smith | smith-001ant | 1907 | Temple Boll Weevils | Texas League | , | ||
| Anthony Smith | 1907 | +5/29+ | Danville Red Sox | Virginia League | , | ||
| Arthur Smith | smith-007art | 1907 | 90 g. | Bradford Drillers | Interstate League | , | |
| Billy Smith | smith-011wil | 1907 | Atlanta Crackers | Southern Association | , | ||
| Billy Smith | smith-057wil | 1907 | 125 g. | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Bull Smith | smith-001lew | 1907 | 8/2-9/2 | Clarksburg Bees | Western Pennsylvania League | , | |
| Carlos Smith | smith-006car | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Charles Smith | smith-006cha | 1907 | 5/8-9/15 | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Dick Smith | smith-018ric | 1907 | 121 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Ed Smith | smith-001rhe | 1907 | 4/17-6/27 | St. Paul Saints | American Association | , | |
| Ed Smith | smith-001rhe | 1907 | Sioux City Packers | Western League | , | ||
| Ed Smith | smith-001rhe | 1907 | 8/7-9/22 | Madison Senators | Wisconsin State League | , | |
| Frank Smith | smith-004fra | 1907 | 5/17-7/20 | Duluth White Sox | Northern-Copper Country League | , | |
| Frank Smith | smith-004fra | 1907 | 7/25-7/28 | Houghton Giants | Northern-Copper Country League | , | |
| Frank Smith | smith-004fra | 1907 | 7/29-9/21 | Madison Senators | Wisconsin State League | , | |
| Frank Smith | 1907 | 5/30-8/31 | Utica Pent-Ups | New York State League | , | ||
| Frank Smith | 1907 | 7/4 | Wilkes-Barre Barons | New York State League | , | ||
| Frank Smith | 1907 | 4/26-5/10 | Haverhill Hustlers | New England League | , | ||
| Frank Smith | 1907 | 7/10-9/6 | Auburn | Empire State League | , | ||
| Fred Smith | smith-010fre | 1907 | 4/26-6/8 | Terre Haute Hottentots | Central League | , | |
| Fred Smith | smith-010fre | 1907 | 6/14-9/21 | Cincinnati | National League | Cincinnati, OH | |
| George Smith | smith-012geo | 1907 | 4/24-9/24 | Buffalo Bisons | Eastern League | , | |
| George Smith | 1907 | 22 g. | Galveston Sand Crabs | Texas League | , | ||
| George Smith | 1907 | Georgetown Univ. | College | , | |||
| George Smith | 1907 | 8/2-8/20 | Wilmington Peaches | Tri-State League | , | ||
| Harry Smith | smith-018har | 1907 | 18 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Herbert Smith | 1907 | 4/9-8/23 | Columbia Gamecocks | South Atlantic League | , | ||
| Herbert Smith | 1907 | 9/2-9/21 | Norfolk Tars | Virginia League | , | ||
| Homer Smith | smith-002hom | 1907 | Dillon MT | Independent | , | ||
| Homer Smith | smith-002hom | 1907 | 6/1-8/25+ | Butte Miners | Northwestern League | , | |
| Howe Smith | 1907 | Georgetown Univ.College | , | ||||
| Howe Smith | 1907 | Buff.-Glasgows | Independent | , | |||
| J. A. Smith | 1907 | 4/24-6/6 | Johnstown Johnnies | Tri-State League | , | ||
| James Smith | smith-032jam | 1907 | 187 g. | Oakland Oaks | Pacific Coast League | , | |
| James Smith | 1907 | Galveston Sand Crabs | Texas League | , | |||
| Joe Smith | smith-007jos | 1907 | Harrisburg Senators | Tri-State League | , | ||
| Joe Smith | smith-007jos | 1907 | +9/22+ | Pottsville PA | Independent | , | |
| Joe Smith | smith-007jos | 1907 | 4/29-9/14 | Harrisburg Senators | Tri-State League | , | |
| Joe Smith | smith-007jos | 1907 | +9/22+ | Pottsville PA | Independent | , | |
| John Smith | smith-024joh | 1907 | 41 g. | Kane Mountaineers | Interstate League | , | |
| John Smith | smith-024joh | 1907 | 7/20-9/2 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Jud Smith | smith-001jud | 1907 | Los Angeles Angels | Pacific Coast League | , | ||
| Lee Smith | smith-002lee | 1907 | Lyons | Empire State League | , | ||
| Lewis? Smith | 1907 | 9/2 | St. Paul Saints | American Association | , | ||
| Madison Smith | smith-001mad | 1907 | 5/20-9/5+ | Newark Newks | Ohio-Pennsylvania League | , | |
| Mendel Smith | 1907 | President | South Carolina League | , | |||
| Paul Smith | smith-016pau | 1907 | 78 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Paul Smith | smith-016pau | 1907 | -9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Phenomenal Smith | smith-013joh | 1907 | Manchester | New Hampshire State League | , | ||
| Phenomenal Smith | smith-013joh | 1907 | Manchester | Maine State League | , | ||
| Philip Smith | 1907 | 5/4-5/11 | Elizabeth | Atlantic League | , | ||
| Philip Smith | 1907 | no g. | Newark Sailors | Eastern League | , | ||
| Philip Smith | 1907 | 8/15-8/30 | Newark | Atlantic League | , | ||
| R. Smith | 1907 | 40 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Raymond Smith | 1907 | 5/14-7/14 | Lansing Senators | Southern Michigan League | , | ||
| Raymond Smith | 1907 | 7/19-9/22 | Flint Vehicles | Southern Michigan League | , | ||
| Sam Smith | 1907 | 7/22 | Fall River Indians | New England League | , | ||
| Samuel Smith | smith-007sam | 1907 | 5/2-9/22 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Stub Smith | smith-001stu | 1907 | 4/8-5/29 | Charleston Sea Gulls | South Atlantic League | , | |
| Syd Smith | smith-001syd | 1907 | 4/9-9/14 | Atlanta Crackers | Southern Association | , | |
| Theodore Smith | smith-002the | 1907 | 5/9-9/14 | Eau Claire Tigers | Wisconsin State League | , | |
| Thomas Smith | 1907 | 4/25-5/3 | Roanoke Tigers | Virginia League | , | ||
| Thomas Smith | 1907 | 5/10-6/25 | Danville Red Sox | Virginia League | , | ||
| Thomas Smith | 1907 | 7/5 | Richmond Colts | Virginia League | , | ||
| Tom Smith | smith-001tho | 1907 | 5/2-9/22 | Springfield Midgets | Western Association | , | |
| Tom Smith | smith-009tom | 1907 | 4/25-9/15 | Grand Rapids Wolverines | Central League | , | |
| Tom Smith | 1907 | 5/15-6/11 | Lansing Senators | Southern Michigan League | , | ||
| Wib Smith | smith-003wil | 1907 | 4/19-9/15 | Pueblo Indians | Western League | , | |
| Green Smitheal | 1907 | 17 g. | Monroe Municipals | Gulf Coast League | , | ||
| Smittle | 1907 | 5/4-7/26+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Homer Smoot | smoot-001hom | 1907 | 4/17-9/15 | Toledo Mud Hens | American Association | , | |
| Earl Snapp | 1907 | 12 g. | Terrell Red Stockings | North Texas League | , | ||
| William Snedden | 1907 | 5/16-5/21 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| William Snedden | 1907 | 5/23 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Snodgrass | 1907 | 5/9-5/27 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Walter Snodgrass | snodgr002wal | 1907 | 6/23-9/2 | Fairmont Champions | Western Pennsylvania League | , | |
| George Snoke | snoke-000mas | 1907 | Erie Sailors | Interstate League | , | ||
| Harvey Snook | 1907 | 6/21-6/22 | Easton | Atlantic League | , | ||
| Harvey Snook | 1907 | no g. | Boston | National League | Boston, MA | ||
| Harvey Snook | 1907 | 8/17-8/22 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Snooks | 1907 | , | |||||
| Snooks | 1907 | +8/17+ | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Joe Snooks | snooks001jos | 1907 | Webb City Goldbugs | Western Association | , | ||
| Joe Snooks | snooks001jos | 1907 | 5/17-5/25 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Joe Snooks | snooks001jos | 1907 | 5/29 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Joe Snooks | snooks001jos | 1907 | +6/6-6/10+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Joe Snooks | snooks001jos | 1907 | 6/14-6/20 | Oklahoma City Mets | Western Association | , | |
| Joe Snooks | snooks001jos | 1907 | Marshalltown Snappers | Iowa League | , | ||
| Joe Snooks | snooks001jos | 1907 | no g. | Memphis Egyptians | Southern Association | , | |
| Snow | 1907 | 2 g. | Greenville Hunters | North Texas League | , | ||
| Snow | 1907 | 5/20 | Freeport Pretzels | Wisconsin State League | , | ||
| Snow | 1907 | 5/28-6/22 | Lansing Senators | Southern Michigan League | , | ||
| James Snowden | 1907 | 60 g. | DuBois Miners | Interstate League | , | ||
| James Snowden | 1907 | 8/9-9/24 | Montreal Royals | Eastern League | , | ||
| Snyder | 1907 | +5/12 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Snyder | 1907 | 6/25-7/27 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Snyder | 1907 | 5/8-5/27 | Marshalltown Snappers | Iowa League | , | ||
| Frank Snyder | 1907 | 5/24 | Easton | Atlantic League | , | ||
| Frank Snyder | 1907 | 7/18-9/8 | Easton | Atlantic League | , | ||
| Norman Snyder | 1907 | Kutztown Univ. | College | , | |||
| Norman Snyder | 1907 | 8/10-8/25 | Pottsville | Atlantic League | , | ||
| Roy Snyder | snyder001roy | 1907 | 119 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Van Snyder | snyder002c-- | 1907 | , | ||||
| William Snyder | snyder006wil | 1907 | 5/1-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Louis Sockalexis | sockal001chi | 1907 | 12 g. | Bangor White Sox | Maine State League | , | |
| Gus Soffel | soffel001aug | 1907 | 124 g. | Norwich Reds | Connecticut State League | , | |
| Percy Solbraa | 1907 | 96 g. | Houghton Giants | Northern-Copper Country League | , | ||
| Percy Solbraa | 1907 | 9/6-9/22 | Madison Senators | Wisconsin State League | , | ||
| John Somerlott | 1907 | 5/14-9/22 | Tecumseh | Southern Michigan League | , | ||
| Rudolph Sommers | 1907 | 36 g. | Waco Navigators | Texas League | , | ||
| William Sorrells | sorrel003wil | 1907 | 4/13-9/14 | Nashville Volunteers | Southern Association | , | |
| Holly? Souders | 1907 | +9/13-9/15+ | Webb City Goldbugs | Western Association | , | ||
| Russell Soule | 1907 | 5/2-5/15+ | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Walter South | south-001wal | 1907 | 4/12-5/4 | Columbia Gamecocks | South Atlantic League | , | |
| Walter South | south-001wal | 1907 | 5/20-6/22 | Orangeburg Edistoes | South Carolina League | , | |
| Walter South | south-001wal | 1907 | 7/1-7/2 | Danville Red Sox | Virginia League | , | |
| Arthur Southwell | southw001art | 1907 | 53 g. | Biddeford | Maine State League | , | |
| Bob Spade | spade-001rob | 1907 | 4/13-9/12 | Atlanta Crackers | Southern Association | , | |
| Bob Spade | spade-001rob | 1907 | 9/22- | 3 g. | Cincinnati | National League | Cincinnati, OH |
| Lawrence Spahr | 1907 | 4/25-9/15 | Wheeling Stogies | Central League | , | ||
| Joseph Spaid | 1907-08 | Univ. of Illinois | College | , | |||
| Alva Spangler | spangl001alv | 1907 | 4/25-9/ | Wheeling Stogies | Central League | , | |
| Albert Spanton | spanto001a-- | 1907 | preseason | Burlington Pathfinders | Iowa League | , | |
| Albert Spanton | spanto001a-- | 1907 | 5/2 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Albert Spanton | spanto001a-- | 1907 | 5/9-6/6. | Madison Senators | Wisconsin State League | , | |
| Albert Spanton | spanto001a-- | 1907 | 6/8-9/4 | Fond du Lac Webfoots | Wisconsin State League | , | |
| William Sparkman | 1907 | 5/28 | Sumter Gamecocks | South Carolina League | , | ||
| William Sparkman | 1907 | 6/20 | Columbus Discoverers | Cotton States League | , | ||
| Billy Sparks | 1907 | 2 g. | Portland Blue Sox | Maine State League | , | ||
| James Sparks | sparks001bax | 1907 | 4/12-5/6 | Atlanta Crackers | Southern Association | , | |
| James Sparks | sparks001bax | 1907 | 5/14-9/2 | Augusta Tourists | South Atlantic League | , | |
| Carl Speaker | 1907 | 5/17-5/20 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Carl Speaker | 1907 | 6/6- | Flint Vehicles | Southern Michigan League | , | ||
| Tristam Speaker | 1907 | 118 g. | Houston Buffaloes | Texas League | , | ||
| William Speas | 1907 | 5/9-9/25 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Howard Speck | speck-001how | 1907 | +5/30-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Ross Speck | speck-001ros | 1907 | +7/29-7/30+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Charles Speer | 1907 | 5/4-8/1 | Newark | Atlantic League | , | ||
| Charles Speer | 1907 | 8/7-9/12 | Johnstown Johnnies | Tri-State League | , | ||
| Kid Speer | speer-002geo | 1907 | 5/4-9/22 | Wichita Jobbers | Western Association | , | |
| Al Speiser | speise001a-- | 1907 | 5/10-6/15 | Eau Claire Tigers | Wisconsin State League | , | |
| Al Speiser | speise001a-- | 1907 | +8/3-8/28+ | Houghton Giants | Northern-Copper Country League | , | |
| Speiser/Spicer | 1907 | 5/9-7/9 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Spencer | 1907 | 5/10 | Wausau Lumberjacks | Wisconsin State League | , | ||
| Spencer | 1907 | 9/9-9/15 | Burlington Pathfinders | Iowa League | , | ||
| Albert Spencer | spence001alb | 1907 | 5/10-9/7 | Lynn Shoemakers | New England League | , | |
| Collis Spencer | spence001col | 1907 | 5/1-9/7 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Collis Spencer | spence001col | 1907 | Burlington Pathfinders | Iowa League | , | ||
| Dit Spencer | spence001d-- | 1907 | +8/4-8/19 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Frank Spencer | spence001fra | 1907 | 103 g. | Vancouver Canucks | Northwestern League | , | |
| Frank Spencer | spence001fra | 1907 | Aberdeen Black Cats | Northwestern League | , | ||
| Hack Spencer | spence001fre | 1907 | Red Wing MN | Independent | , | ||
| Hack Spencer | spence001fre | 1907 | 7/3-9/15 | Keokuk Indians | Iowa League | , | |
| Harry Spencer | spence001hen | 1907 | 171 g. | San Francisco Seals | Pacific Coast League | , | |
| Wirt Spencer | spence001wir | 1907 | Texas A&M | College | , | ||
| Wirt Spencer | spence001wir | 1907 | Umpire | Texas League | , | ||
| Fred Spicer | 1907 | 5/9-7/9 | Fond du Lac Webfoots | Wisconsin State League | , | ||
| Harry Spies | spies-001hen | 1907 | 4/17-7/10 | Sioux City Packers | Western League | , | |
| Matt Spiesman | spiesm002mat | 1907 | 5/10-9/13 | Troy Trojans | New York State League | , | |
| Frank Spillane | 1907 | +6/29+ | Cripple Creek CO | Independent | , | ||
| Frank Spillane | 1907 | 9/7 | Denver Grizzlies | Western League | , | ||
| Frank Spillane | 1907 | +10/13+ | Denv.-Cottrells | Independent | , | ||
| Harry Spinney | 1907 | 8/3-8/14 | Eau Claire Tigers | Wisconsin State League | , | ||
| Joseph Sporer | sporer001jos | 1907 | 4/25-9/14 | Des Moines Champs | Western League | , | |
| Spotts | 1907 | 7/12 | Wilmington Peaches | Tri-State League | , | ||
| Jack Spratt | spratt001wil | 1907 | 78 g. | Bradford Drillers | Interstate League | , | |
| Jimmy Spring | 1907 | Amherst College | College | , | |||
| Jimmy Spring | 1907 | Springfield Ponies | Connecticut State League | , | |||
| Charles Springer | 1907 | , | |||||
| Fred Springs | spring001fre | 1907 | 5/20-7/1 | Sumter Gamecocks | South Carolina League | , | |
| Fred Springs | spring001fre | 1907 | 8/1-8/10 | Sumter Gamecocks | South Carolina League | , | |
| St. Clair | 1907 | 8/13-8/15 | Geneva | Empire State League | , | ||
| Roy St. John | stjohn001roy | 1907 | 5/2-5/21+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Roy St. John | stjohn001roy | 1907 | +6/6-6/19+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Roy St. John | stjohn001roy | 1907 | +7/13-7/16+ | Columbus Discoverers | Cotton States League | , | |
| Jim St. Vrain | stvrai001jam | 1907 | StL-Ziegenheims | St. Louis Trolley League | , | ||
| Jim St. Vrain | stvrai001jam | 1907 | Mexico MO | Independent | , | ||
| Cy Stackpole | stackp001art | 1907 | Hartford Senators | Connecticut State League | , | ||
| Cy Stackpole | stackp001art | 1907 | 9/12-9/21 | Richmond Colts | Virginia League | , | |
| Robert Stafford | staffo003rob | 1907 | 4/10-9/3 | Savannah Indians | South Atlantic League | , | |
| Amos Stagg | 1907-13 | Univ. of Chicago | College | , | |||
| Jake Stahl | stahl-001gar | 1907 | Chic.- | Semi-professional | , | ||
| Charles Staley | 1907 | 6/20-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Martin Staley | 1907 | 5/17-5/25 | Evansville River Rats | Central League | , | ||
| Oscar Stanage | stanag001osc | 1907 | 4/27-9/22 | Newark Sailors | Eastern League | , | |
| George Stanford | 1907 | +6/30+ | Clev.-McWatters | Independent | , | ||
| George Stanford | 1907 | Elyria OH | Independent | , | |||
| Albert Stange | 1907 | 5/11-9/22 | Eau Claire Tigers | Wisconsin State League | , | ||
| Albert Stange | 1907 | 81 g. | Eau Claire Tigers | Wisconsin State League | , | ||
| Tom Stankard | stanka001tho | 1907 | Springfield Ponies | Connecticut State League | , | ||
| Buck Stanley | stanle001joh | 1907 | 5/2-9/21 | Montreal Royals | Eastern League | , | |
| Joe Stanley | stanle003jos | 1907 | 4/17-9/15 | Louisville Colonels | American Association | , | |
| Matt Stanley | stanle001mat | 1907 | 102 g. | Seattle Siwashes | Northwestern League | , | |
| John Stansbury | 1907 | Stroudsburg | Blue Mountain League | , | |||
| John Stansbury | 1907 | 8/30-9/13 | Williamsport Millionaires | Tri-State League | , | ||
| John Stansbury | 1907 | Nazareth | Blue Mountain League | , | |||
| John Stansbury | 1907 | Williamsport Millionaires | Tri-State League | , | |||
| Andrew Stanton | 1907 | Umpire | Virginia League | , | |||
| Claude Stark | stark-001cla | 1907 | 5/1-6/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Claude Stark | stark-001cla | 1907 | 6/20-9/14 | Little Rock Travelers | Southern Association | , | |
| Dolly Stark | stark-001mon | 1907 | +5/2-5/20+ | Columbus Discoverers | Cotton States League | , | |
| Thomas Stark | stark-001tho | 1907 | 5/9-9/22 | Freeport Pretzels | Wisconsin State League | , | |
| Fred Starke | 1907 | 5/2-5/28+ | Oklahoma City Mets | Western Association | , | ||
| Con Starkel | starke001con | 1907 | 67 g. | Aberdeen Black Cats | Northwestern League | , | |
| George Starnagle | starna001geo | 1907 | 4/24-7/13 | Altoona Mountaineers | Tri-State League | , | |
| Charlie Starr | starr-001cha | 1907 | 5/1-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| William Staton | 1907 | 19 g. | Portland Beavers | Pacific Coast League | , | ||
| Joseph Staub | 1907 | 55 g. | Franklin Millionaires | Interstate League | , | ||
| Joseph Staub | 1907 | 8/15-9/7 | Geneva | Empire State League | , | ||
| Harry Stauffer | stauff001hen | 1907 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Charles Stecher | steche001cha | 1907 | 5/2-5/22+ | 6 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Charles Stecher | steche001cha | 1907 | 6/21-7/10 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Steele | 1907 | 6/13 | Worcester Busters | New England League | , | ||
| David Steele | 1907 | 5/9-8/7 | Green Bay Orphans | Wisconsin State League | , | ||
| David Steele | 1907 | 8/21 | Freeport Pretzels | Wisconsin State League | , | ||
| David Steele | 1907 | 8/23-9/2 | Eau Claire Tigers | Wisconsin State League | , | ||
| Elmer Steele | steele001elm | 1907 | 4/26-9/7 | Lynn Shoemakers | New England League | , | |
| Elmer Steele | steele001elm | 1907 | 9/12- | 4 g. | Boston | American League | Boston, MA |
| Fred Steele | steele001fre | 1907 | 7/2-9/15 | Oskaloosa Quakers | Iowa League | , | |
| Fred Steele | 1907 | 4/30-6/25 | Lynn Shoemakers | New England League | , | ||
| Farmer Steelman | steelm001mor | 1907 | 5/10-9/13 | Utica Pent-Ups | New York State League | , | |
| Clarence Steen | 1907 | 4/30-6/25 | Lincoln Treeplanters | Western League | , | ||
| William Steen | 1907 | 5/1-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Harry Steiger | 1907 | 5/9-6/23 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Harry Steiger | 1907 | 6/27-9/20 | Battle Creek Crickets | Southern Michigan League | , | ||
| William Stein | steinb002wil | 1907 | 5/4-5/19 | Pottsville | Atlantic League | , | |
| Paul Steinberg | steinb002pau | 1907 | 5/1-5/17+ | Umpire | Ohio-Pennsylvania League | , | |
| Paul Steinberg | steinb002pau | 1907 | 8/20-9/7 | Umpire | Atlantic League | , | |
| Fred Stem | stem--001fre | 1907 | Stroudsburg | Blue Mountain League | , | ||
| Jim Stephens | stephe001jam | 1907 | 4/11- | 58 g. | St. Louis | American League | St. Louis, MO |
| Lenard Stephens | stephe001len | 1907 | 5/20-8/10 | Sumter Gamecocks | South Carolina League | , | |
| Lenard Stephens | stephe001len | 1907 | 8/24-9/2 | Savannah Indians | South Atlantic League | , | |
| Carl Sterzer | 1907 | 4/19-4/25 | Danville Red Sox | Virginia League | , | ||
| Carl Sterzer | 1907 | 4/19-4/25 | Danville Red Sox | Virginia League | , | ||
| Carl Sterzer | 1907 | Martinsburg WV | Independent | , | |||
| Jay Stetler | stetle001per | 1907 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| Stewart Stevens | 1907 | 4/28-8/3 | Providence Grays | Eastern League | , | ||
| Walter Stevens | stjohn004--- | 1907 | 5/1-8/18 | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Walter Stevens | stjohn004--- | 1907 | 8/23-9/16 | Milwaukee Brewers | American Association | , | |
| Stevenson | 1907 | no g. | Milwaukee Brewers | American Association | , | ||
| Andrew Stevenson | 1907 | St. Louis | American League | St. Louis, MO | |||
| Andrew Stevenson | 1907 | 6/16-7/5 | Terre Haute Hottentots | Central League | , | ||
| Andrew Stevenson | 1907 | +7/24-8/4+ | Springfield Midgets | Western Association | , | ||
| Paul Stevenson | 1907 | 5/11-5/20 | Scottdale Giants | Western Pennsylvania League | , | ||
| John Steventon | steven007joh | 1907 | Bangor | Blue Mountain League | , | ||
| John Steventon | steven007joh | 1907 | 6/23 | Easton | Atlantic League | , | |
| John Steventon | steven007joh | 1907 | 8/18 | Reading | Atlantic League | , | |
| Joseph Steverding | 1907 | Clev.East High | High School | , | |||
| Joseph Steverding | 1907 | 5/1-5/10 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Joseph Steverding | 1907 | 5/26-5/28 | Waterloo Cubs | Iowa League | , | ||
| Joseph Steverding | 1907 | +9/1+ | Alliance OH | Independent | , | ||
| Ace Stewart | stewar001ace | 1907 | Mississippi College | College | , | ||
| Ace Stewart | stewar001ace | 1907 | 4/11-7/22 | Meridian Ribboners | Cotton States League | , | |
| Ace Stewart | stewar001ace | 1907 | 7/23-8/25+ | Columbus Discoverers | Cotton States League | , | |
| Carlton Stewart | 1907 | 5/14-5/24 | Flint Vehicles | Southern Michigan League | , | ||
| Carlton Stewart | 1907 | 5/28-7/14 | Jackson Convicts | Southern Michigan League | , | ||
| Carlton Stewart | 1907 | 7/21- | Battle Creek Crickets | Southern Michigan League | , | ||
| Charles Stewart | stewar001duc | 1907 | 5/11-5/28 | Madison Senators | Wisconsin State League | , | |
| Charles Stewart | stewar001duc | 1907 | 40 g. | Houghton Giants | Northern-Copper Country League | , | |
| Charles Stewart | 1907 | 9/17 | Troy Trojans | New York State League | , | ||
| Charley Stewart | 1907 | 5/12 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Charley Stewart | 1907 | 5/12 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Frank Stewart | 1907 | +7/17-8/4+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | ||
| Harry Stewart | stewar005har | 1907 | 4/18-9/21 | Lynchburg Shoemakers | Virginia League | , | |
| Joe Stewart | stewar003jos | 1907 | +6/19+ | 6 g. | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , |
| Joe Stewart | stewar003jos | 1907 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Rube Stewart | 1907 | +5/18-7/ | 9 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Henry Stickney | stickn001abr | 1907 | 4/11-5/26 | Gulfport Crabs | Cotton States League | , | |
| Henry Stickney | stickn001abr | 1907 | 5/29-6/15 | Umpire | Cotton States League | , | |
| Henry Stickney | stickn001abr | 1907 | +8/5-9/10+ | Gulfport Crabs | Cotton States League | , | |
| Stephen Stift | 1907 | 5/7-5/14 | Springfield Midgets | Western Association | , | ||
| Stephen Stift | 1907 | 8/10- | Dixon IL Browns | Independent | , | ||
| Frank Still | still-001fra | 1907 | 4/24-6/7 | Richmond Colts | Virginia League | , | |
| Frank Still | still-001fra | 1907 | no g. | Portsmouth Truckers | Virginia League | , | |
| Bernard Stillwagon | stillw000ber | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Bernard Stillwagon | stillw000ber | 1907 | 8/1-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Bernard Stillwagon | stillw000ber | 1907 | 8/13-9/2 | Connellsville Cokers | Western Pennsylvania League | , | |
| Billy Stillwell | 1907 | 5/1-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Archie Stimmel | stimme001arc | 1907 | 4/19-5/13 | Sioux City Packers | Western League | , | |
| Archie Stimmel | stimme001arc | 1907 | 5/23-9/13 | Lincoln Treeplanters | Western League | , | |
| Stine | 1907 | 6/6-7/26 | Chester/Tamaqua | Atlantic League | , | ||
| George Stinson | stinso001geo | 1907 | 4/8-9/4 | Macon Brigands | South Atlantic League | , | |
| John Stinson | stinso001joh | 1907 | +8/5+ | Girard KS | Independent | , | |
| Charles Stis | 1907 | 4/20-6/30 | Seattle Siwashes | Northwestern League | , | ||
| Charles Stis | 1907 | 7/2-10/6 | Butte Miners | Northwestern League | , | ||
| James Stitzer | stitze001j-- | 1907 | Bangor | Blue Mountain League | , | ||
| James Stitzer | stitze001j-- | 1907 | 9/5 | Easton | Atlantic League | , | |
| Otis Stocksdale | stocks002oti | 1907 | 4/13-9/13 | Memphis Egyptians | Southern Association | , | |
| Earl Stoffer | 1907 | KC-J. J. Foster | Independent | , | |||
| Amasa Stollenwerck | stolle001--- | 1907 | +7/10+ | Greensboro AL | Independent | , | |
| George Stone | stone-003geo | 1907 | 155 g. | St. Louis | American League | St. Louis, MO | |
| Stoner | 1907 | 7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Harry Storch | storch001har | 1907 | 144 g. | Dallas Giants | Texas League | , | |
| Alan Storke | storke001ala | 1907-09 | no g. | Harvard Univ. | College | , | |
| Alan Storke | storke001ala | 1907 | 112 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Tom Stouch | stouch001tom | 1907 | U, Georgia | College | , | ||
| Tom Stouch | stouch001tom | 1907 | 6/8-7/27 | Greenville Mountaineers | South Carolina League | , | |
| Joseph Stoup | stvrai001jam | 1907 | 5/2-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| George Stovall | stoval001geo | 1907 | Cleveland | American League | Cleveland, OH | ||
| Jesse Stovall | stoval001jes | 1907 | 4/20-8/4 | Louisville Colonels | American Association | , | |
| Jesse Stovall | stoval001jes | 1907 | 8/14-10/6 | Tacoma Tigers | Northwestern League | , | |
| Samuel Stovall | stoval001sam | 1907 | 105 g. | San Antonio Bronchos | Texas League | , | |
| Paul Stowers | 1907 | 19 g. | Orangeburg Edistoes | South Carolina League | , | ||
| Paul Stowers | 1907 | 8/23-9/2 | Macon Brigands | South Atlantic League | , | ||
| Stewart Strader | strade001ste | 1907 | 4/27-5/5 | Canton Chinamen | Central League | , | |
| Sammy Strang | strang001sam | 1907 | 133 g. | New York | National League | New York, NY | |
| Stratton | 1907 | 5/30 | Easton | Atlantic League | , | ||
| Stratton | 1907 | 7/1-7/4 | Brooklyn | Atlantic League | , | ||
| Milo Stratton | stratt001mil | 1907 | 4/10-9/14 | New Orleans Pelicans | Southern Association | , | |
| Straub | 1907 | 9/8-9/15 | Umpire | Western League | , | ||
| Thomas Strayer | straye000tom | 1907 | no g. | Waterbury Authors | Connecticut State League | , | |
| Harry Streaser | 1907 | 5/4-7/15 | Allentown | Atlantic League | , | ||
| Harry Streaser | 1907 | 7/22-9/14 | Altoona Mountaineers | Tri-State League | , | ||
| Harry Streaser | 1907 | 5/4-7/18 | Allentown | Atlantic League | , | ||
| Harry Streaser | 1907 | 48 g. | Altoona Mountaineers | Tri-State League | , | ||
| Streater | 1907 | 5/3-5/12 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Dan Strebeigh | strebe001dan | 1907 | , | ||||
| Gabby Street | street001cha | 1907 | 159 g. | San Francisco Seals | Pacific Coast League | , | |
| Julie Streib | streib001jul | 1907 | 4/20- | 135 g. | Aberdeen Black Cats | Northwestern League | , |
| Theodore Streib | streib001the | 1907 | +6/30+ | San Jose Prune Pickers | California State League | , | |
| Theodore Streib | streib001the | 1907 | 86 g. | San Francisco Seals | Pacific Coast League | , | |
| Streiberg | 1907 | 5/4-5/5 | Brooklyn | Atlantic League | , | ||
| Phil Stremmel | stremm001phi | 1907 | 6/14-9/22 | Green Bay Orphans | Wisconsin State League | , | |
| Striburg | 1907 | 5/24-6/8 | Geneva | Empire State League | , | ||
| Strieberg | 1907 | 5/4-5/5 | Brooklyn | Atlantic League | , | ||
| String | 1907 | Holy Cross Univ. | College | , | |||
| Stringer | 1907 | , | |||||
| Frederick Stripp | stripp001fre | 1907 | 7 g. | Oakland Oaks | Pacific Coast League | , | |
| Frederick Stripp | stripp001fre | 1907 | 4/24-4/26 | Aberdeen Black Cats | Northwestern League | , | |
| Frederick Stripp | stripp001fre | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Allie Strobel | strobe001alb | 1907 | 4/24-9/14 | Trenton Tigers | Tri-State League | , | |
| Stroble | 1907 | 5/8-5/10 | Scottdale Giants | Western Pennsylvania League | , | ||
| Billy Stroh | stroh-001wil | 1907 | 5/3-7/4 | Altoona Mountaineers | Tri-State League | , | |
| Billy Stroh | stroh-001wil | 1907 | 7/6-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Billy Stroh | stroh-001wil | 1907 | 7/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| George Stroh | stroh-001geo | 1907 | 5/12-7/3 | Utica Pent-Ups | New York State League | , | |
| George Stroh | stroh-001geo | 1907 | 7/18-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Herman Strom | strom-001her | 1907 | +6/8+ | Erie Sailors | Interstate League | , | |
| Herman Strom | strom-001her | 1907 | Punxsutawney Policemen | Interstate League | , | ||
| Herman Strom | strom-001her | 1907 | 7/3-7/23 | Sharon Giants | Ohio-Pennsylvania League | , | |
| Strong | strong011--- | 1907 | 8/1-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Alden Strong | 1907-11 | Kansas State U. | College | , | |||
| Fred Strood | strood001fre | 1907 | 5/1-9/28 | Akron Champs | Ohio-Pennsylvania League | , | |
| Con Strothers | stroth001joh | 1907 | Vancouver Canucks | Northwestern League | , | ||
| Isaac Stroud | 1907 | Clinton Infants | Illinois-Indiana-Iowa League | , | |||
| Isaac Stroud | 1907 | 5/10-6/19 | Ottumwa Packers | Iowa League | , | ||
| Sailor? Stroud | 1907 | 6/21 | Newark | Atlantic League | , | ||
| Bill Stuart | stuart001bil | 1907 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| George Stults | 1907 | Kerns NJ | , | ||||
| George Stults | 1907 | Manchester | Vermont League | , | |||
| George Stultz | stultz002geo | 1907 | 4/9-8/3 | Jacksonville Jays | South Atlantic League | , | |
| George Stultz | stultz003geo | 1907 | Manchester | Vermont League | , | ||
| William Sturgeon | 1907 | 6/15-6/25 | Butte Miners | Northwestern League | , | ||
| William Sturgeon | 1907 | Caldwell MT | Independent | , | |||
| Wilson Sturtevant | 1907 | 7/1 | Danville Red Sox | Virginia League | , | ||
| Wilson Sturtevant | 1907 | 7/5-7/11 | Portsmouth Truckers | Virginia League | , | ||
| Wilson Sturtevant | 1907 | 7/17-8/8 | Lynchburg Shoemakers | Virginia League | , | ||
| Wilson Sturtevant | 1907 | 9/7-9/21 | Portsmouth Truckers | Virginia League | , | ||
| Frank Suess | suess-001fra | 1907 | 132 g. | Spokane Indians | Northwestern League | , | |
| Frank Suess | suess-001fra | 1907 | 132 g. | Spokane Indians | Northwestern League | , | |
| Joe Sugden | sugden001jos | 1907 | 4/17-9/12 | St. Paul Saints | American Association | , | |
| George Suggs | suggs-001geo | 1907 | 4/14-9/14 | Memphis Egyptians | Southern Association | , | |
| Suidam | 1907 | 5/31-6/12 | Lyons | Empire State League | , | ||
| Wilford Sullinger | sullin001f-- | 1907 | +4/28+ | Austin Senators | Texas League | , | |
| Wilford Sullinger | sullin001f-- | 1907 | +7/1 | Fort Worth Panthers | Texas League | , | |
| Wilford Sullinger | sullin001f-- | 1907 | 7/3- | Gainesville Tx | Independent | , | |
| Wilford Sullinger | sullin001f-- | 1907 | Tucson AZ | Independent | , | ||
| Wilford Sullinger | sullin001f-- | 1907 | Phoenix AZ | Independent | , | ||
| Sullivan | 1907 | 5/5-8/2 | Easton | Atlantic League | , | ||
| Sullivan | 1907 | Chic.-Oak Leaves | Independent | , | |||
| Sullivan | 1907 | +7/15+ | 19 g. | South Bend Greens | Central League | , | |
| Sullivan | 1907 | Pitt.-Shaners | Independent | , | |||
| Sullivan | 1907 | 6/23-6/30 | Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Sullivan | 1907 | 8/16 | Newark | Atlantic League | , | ||
| Sullivan | 1907 | 6/18 | Madison Senators | Wisconsin State League | , | ||
| Denny Sullivan | sulliv001den | 1907 | 144 g. | Boston | American League | Boston, MA | |
| Harry Sullivan | sulliv003har | 1907 | 5/10-5/12 | Oshkosh Indians | Wisconsin State League | , | |
| Harry Sullivan | sulliv003har | 1907 | 5/20 | Wausau Lumberjacks | Wisconsin State League | , | |
| Harry Sullivan | sulliv003har | 1907 | Menominee MI | Independent | , | ||
| Harry Sullivan | sulliv003har | 1907 | 8/7 | Green Bay Orphans | Wisconsin State League | , | |
| James Sullivan | 1907 | Villanova College | College | , | |||
| James Sullivan | 1907 | 6/24- | 26 g. | Lowell Tigers | New England League | , | |
| James Sullivan | 1907 | -8/26 | Lynn Shoemakers | New England League | , | ||
| Jim Sullivan | sulliv006jam | 1907 | 4/17-9/15 | Lincoln Treeplanters | Western League | , | |
| Jim Sullivan | sulliv006jam | 1907 | Oakland Oaks | Pacific Coast League | , | ||
| John Sullivan | sulliv004joh | 1907 | 4/17-9/16 | Kansas City Blues | American Association | , | |
| M. Sullivan | 1907 | 8/17-9/2 | Portsmouth Truckers | Virginia League | , | ||
| Michael Sullivan | sulliv002mic | 1907 | 5/11-5/31 | Williamsport Millionaires | Tri-State League | , | |
| Michael Sullivan | sulliv002mic | 1907 | 6/6-8/7 | Johnstown Johnnies | Tri-State League | , | |
| Michael Sullivan | sulliv002mic | 1907 | 8/13-9/14 | Wilmington Peaches | Tri-State League | , | |
| Neil Sullivan | 1907 | 5/9-9/20 | Portsmouth Truckers | Virginia League | , | ||
| Pat Sullivan | 1907 | Waterville | Maine State League | , | |||
| Suter Sullivan | sulliv002sut | 1907 | 4/17-9/15 | Louisville Colonels | American Association | , | |
| Thomas Sullivan | sulliv006tho | 1907 | 5/9-9/22 | Oshkosh Indians | Wisconsin State League | , | |
| William Sullivan | 1907 | 4/17-6/19 | Umpire | American Association | , | ||
| William Sullivan | 1907 | 6/29-9/24 | Umpire | Eastern League | , | ||
| Ed Summers | summer001ora | 1907 | 4/20-9/14 | Grand Rapids Wolverines | Central League | , | |
| Frank Summers | 1907 | 5/17-7/21 | Bemidji MN | Independent | , | ||
| Frank Summers | 1907 | 7/22 | Duluth White Sox | Northern-Copper Country League | , | ||
| Frank Summers | 1907 | Calumet Aristocrats | Northern-Copper Country League | , | |||
| Frank Summers | 1907 | +8/11-9/2 | Eveleth MN | Independent | , | ||
| Bill Sump | sump--001wil | 1907 | 4/12-5/22 | Jackson Senators | Cotton States League | , | |
| Bill Sump | sump--001wil | 1907 | 5/27-6/30 | Houston Buffaloes | Texas League | , | |
| Bill Sump | sump--001wil | 1907 | +8/2-8/25+ | Umpire | Ohio-Pennsylvania League | , | |
| John Sundheim | 1907 | 57 g. | Houghton Giants | Northern-Copper Country League | , | ||
| John Sundheim | 1907 | 58 g. | Rochester Bronchos | Eastern League | , | ||
| John Sundheim | 1907 | 57 g. | Houghton Giants | Northern-Copper Country League | , | ||
| John Sundheim | 1907 | 7/24-9/24 | Rochester Bronchos | Eastern League | , | ||
| Supplee | 1907 | 7/5-7/15 | Easton | Atlantic League | , | ||
| Bert Supplee | 1907 | 5/18-9/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Harry Suter | suter-001har | 1907 | 37 g. | Austin Senators | Texas League | , | |
| Jack Sutthoff | suttho001joh | 1907 | 4/24-9/13 | Toledo Mud Hens | American Association | , | |
| C. P. Suttle | 1907 | Flint Vehicles | Southern Michigan League | , | |||
| Suttles | 1907 | 7/24-8/6 | Spartanburg Spartans | South Carolina League | , | ||
| Myron Sutton | sutton001car | 1907 | 6 g. | Olean Refiners | Interstate League | , | |
| Myron Sutton | sutton001car | 1907 | 7/13-8/6 | Auburn | Empire State League | , | |
| Harry Swacina | swacin001har | 1907 | 5/1- | 123 g. | Peoria Distillers | Illinois-Indiana-Iowa League | , |
| Harry Swacina | swacin001har | 1907 | 9/13- | 26 g. | Pittsburgh | National League | Pittsburgh, PA |
| Swaim | 1907 | 6/27-7/12 | Atlanta Crackers | Southern Association | , | ||
| Cy Swaim | swaim-001cy- | 1907 | Wellsville | Ohio Valley League | , | ||
| Charles Swain | swain-002cha | 1907 | 132 g. | Spokane Indians | Northwestern League | , | |
| Albert Swalm | swalm-001alb | 1907 | 133 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Charles Swalm | 1907 | 7/20-9/13 | Waterloo Cubs | Iowa League | , | ||
| Harry Swalm | swalm-001har | 1907 | 6/27-7/12 | Atlanta Crackers | Southern Association | , | |
| Harry Swalm | swalm-001har | 1907 | 12 g. | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Swan | 1907 | 9/8 | La Crosse Badgers | Wisconsin State League | , | ||
| Arthur Swan | swan--000cas | 1907 | +7/29+ | Butte-Parrots | Independent | , | |
| Oscar Swan | swann-001o-- | 1907 | 4/19-9/15 | Kansas City Blues | American Association | , | |
| Pinky Swander | swande002edw | 1907 | 115 g. | Waterbury Authors | Connecticut State League | , | |
| Swanders | 1907 | 5/2-6/16 | Clarksburg Bees | Western Pennsylvania League | , | ||
| E. C. Swanson | 1907 | 7/12-9/5 | Keokuk Indians | Iowa League | , | ||
| Ivor Swanson | swanso001ivo | 1907 | 5/3 | Providence Grays | Eastern League | , | |
| Ivor Swanson | swanso001ivo | 1907 | 5/14-8/22 | Fall River Indians | New England League | , | |
| Hugo Swartling | 1907 | 5/1- | 59 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Swarton | 1907 | 2 g. | Springfield Babes | Central League | , | ||
| Fred Swartzel | 1907 | +5/8-7/22+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Fred Swartzel | 1907 | +9/2+ | Ponca City OK | Independent | , | ||
| Frank Swayne | swayne001fra | 1907 | 5/9-9/22 | Utica Pent-Ups | New York State League | , | |
| Sweddle | 1907 | 5/11-5/12 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Sweeney | 1907 | 4/10-4/11 | Montgomery Senators | Southern Association | , | ||
| Sweeney | 1907 | 7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Sweeney | 1907 | 7/25-8/4 | Fairmont Champions | Western Pennsylvania League | , | ||
| Alex. Sweeney | sweene001ale | 1907 | 43 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Bill Sweeney | sweene001wil | 1907 | 3 g. | Chicago | National League | Chicago, IL | |
| Bill Sweeney | sweene001wil | 1907 | 58 g. | Boston | National League | Boston, MA | |
| Ed Sweeney | sweene002edw | 1907 | 5/6-9/14 | Atlanta Crackers | Southern Association | , | |
| Edward Sweeney | 1907 | 6/6-9/8 | Newark | Atlantic League | , | ||
| Mike? Sweeney | 1907 | 8/28-9/7 | Lyons | Empire State League | , | ||
| James Swift | 1907 | 5/9-9/18 | Wilkes-Barre Barons | New York State League | , | ||
| Charlie Swindells | swinde001cha | 1907 | 82 g. | Spokane Indians | Northwestern League | , | |
| Fred Swink | 1907 | 5/20-7/18 | Anderson Electricians | South Carolina League | , | ||
| Ed Switzer | switze001j-- | 1907 | 95 g. | Opelousas Indians | Gulf Coast League | , | |
| Len Swormstedt | sworms001leo | 1907 | 5/9-9/21 | Troy Trojans | New York State League | , | |
| Harry Syfert | syfert001har | 1907 | 5/1- | 52 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , |
| Louis Sylvester | sylves001lou | 1907 | 5/3-9/7 | Fall River Indians | New England League | , | |
| William Taaffe | taffee001w-- | 1907 | 4/12-8/31 | Meridian Ribboners | Cotton States League | , | |
| William Taaffe | taffee001w-- | 1907 | 9/2-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| William Taber | 1907 | 5/17-5/29 | Tecumseh | Southern Michigan League | , | ||
| William Taber | 1907 | 5/30-9/20 | Flint Vehicles | Southern Michigan League | , | ||
| Felix Talbot | 1907 | 38 g. | Bangor White Sox | Maine State League | , | ||
| Felix Talbot | 1907 | 1 g. | Portland Blue Sox | Maine State League | , | ||
| Frank Talbot | 1907 | 5/13-7/1 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Frank Talbot | 1907 | 8/2-9/18 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| James Tamsett | tamset001jam | 1907 | 5/1-9/14 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Eugene Tansey | tansey001eug | 1907 | 35 g. | Springfield Ponies | Connecticut State League | , | |
| Eugene Tansey | tansey001eug | 1907 | 8/10-9/7 | Lynn Shoemakers | New England League | , | |
| Robert Tarleton | tarlet001rob | 1907 | 5/1- | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Robert Tarleton | tarlet001rob | 1907 | 11 g. | Gulfport Crabs | Cotton States League | , | |
| Robert Tarleton | tarlet001rob | 1907 | 6/15-9/13 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Harry Tate | tate--001har | 1907 | 5/1-6/8 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Harry Tate | tate--001har | 1907 | +6/21+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Harry Tate | tate--001har | 1907 | 7/2-7/29 | Connellsville Cokers | Western Pennsylvania League | , | |
| Hughie Tate | tate--001hug | 1907 | 5/1-7/24+ | Marion Moguls | Ohio-Pennsylvania League | , | |
| Taylor | 1907 | 5/5-5/15+ | Leavenworth Convicts | Western Association | , | ||
| Taylor | 1907 | 5/4-7/4+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Taylor | 1907 | +7/16-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Taylor | 1907 | 5/28 | Lynchburg Shoemakers | Virginia League | , | ||
| Taylor | 1907 | 7/3-8/6 | Allentown | Atlantic League | , | ||
| Taylor | 1907 | 8/8-8/28 | Johnstown Johnnies | Tri-State League | , | ||
| Taylor | 1907 | 5/2-5/22 | Umpire | Oklahoma-Arkansas-Kansas League | , | ||
| Charles Taylor | 1907 | McPherson KS | Independent | , | |||
| Edward Taylor | 1907 | 133 g. | Jackson Senators | Cotton States League | , | ||
| Edwin Taylor | 1907 | 5/14-7/4 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Edwin Taylor | 1907 | 7/17-9/22 | Kalamazoo White Sox | Southern Michigan League | , | ||
| F. B. Taylor | 1907 | +8/15-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Frank Taylor | 1907 | 4/26-5/2 | Lowell Tigers | New England League | , | ||
| John Taylor | 1907 | 5/23-9/2 | Calumet Aristocrats | Northern-Copper Country League | , | ||
| John Taylor | 1907 | 9/6-9/22 | Green Bay Orphans | Wisconsin State League | , | ||
| Luther Taylor | taylor001lut | 1907 | New York | National League | New York, NY | ||
| M. Owen Taylor | taylor001m-- | 1907 | -7/8 | 42 g. | Houghton Giants | Northern-Copper Country League | , |
| M. Owen Taylor | taylor001m-- | 1907 | Virginia MN | Independent | , | ||
| Peter Taylor | taylor002pet | 1907 | 5/23-6/17 | Evansville River Rats | Central League | , | |
| Peter Taylor | taylor002pet | 1907 | +8/8+ | Evan.-Seip Setters | Independent | , | |
| Roy Taylor | taylor005r-- | 1907 | 6/27-7/1 | New Bedford Whalers | New England League | , | |
| S. W. Taylor | 1907 | 5/21-8/2 | Sumter Gamecocks | South Carolina League | , | ||
| Thomas Taylor | 1907 | 4/12-9/1 | Vicksburg Hill Billies | Cotton States League | , | ||
| George Te Linde | 1907 | Clev.-English Mills | Clevland City League | , | |||
| George Te Linde | 1907 | +6/12+ | Loudenville OH | Independent | , | ||
| Henry Te Roller | 1907 | Holland MI HS | High School | , | |||
| Henry Te Roller | 1907 | Holland College | College | , | |||
| Teacher | 1907 | 4/25 | Newark Sailors | Eastern League | , | ||
| Harvey Teal | teal--003har | 1907 | 6/1-9/19 | Tecumseh | Southern Michigan League | , | |
| Robert Teas | teas--001rob | 1907 | Fort Worth Panthers | Texas League | , | ||
| George Tebeau | tebeau002geo | 1907 | Kansas City Blues | American Association | , | ||
| Harry Tempany | tempan000har | 1907 | Walla Walla P. O. | City League | , | ||
| William Temple | 1907-08 | Wake Forest | College | , | |||
| William Temple | 1907 | 8/20-8/23 | Portsmouth Truckers | Virginia League | , | ||
| Curt Templin | templi001cur | 1907 | 4/26-9/7 | Worcester Busters | New England League | , | |
| Thomas Tennant | tennan001tho | 1907 | 5/1- | 129 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , |
| Wee Terrill/Terrell | 1907 | 6/17-7/28 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Ralph Terry | 1907 | 50 g. | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Louis Tetreault | 1907 | 4/26-5/30 | Fall River Indians | New England League | , | ||
| Louis Tetreault | 1907 | 33 g. | Pine Tree | Maine State League | , | ||
| Ivey Tevis | tevis-001iva | 1907 | Jackson Senators | Cotton States League | , | ||
| Ivey Tevis | tevis-001iva | 1907 | 4/12 | Jackson Senators | Cotton States League | , | |
| Ivey Tevis | tevis-001iva | 1907 | 46 g. | Houston Buffaloes | Texas League | , | |
| George Textor | 1907 | 5/2-9/15 | Canton Chinamen | Central League | , | ||
| Robert Thackam | 1907 | 5/20-7/12 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Robert Thackam | 1907 | 7/20-7/27 | Anderson Electricians | South Carolina League | , | ||
| Robert Thackam | 1907 | 8/5-8/7 | Orangeburg Edistoes | South Carolina League | , | ||
| Robert Thackam | 1907 | 8/12-8/17 | Augusta Tourists | South Atlantic League | , | ||
| Robert Thackam | 1907 | 9/3 | Columbia Gamecocks | South Atlantic League | , | ||
| Robert Thackam | 1907 | +9/5+ | Colu.-Mechanics | Independent | , | ||
| Parry Thackara | thacka001dav | 1907 | Holyoke Papermakers | Connecticut State League | , | ||
| Thayer | 1907 | 8/29 | Green Bay Orphans | Wisconsin State League | , | ||
| Tony Thebo | thebo-001ant | 1907 | 134 g. | Temple Boll Weevils | Texas League | , | |
| Theetke | 1907 | 6/14-6/28 | Lyons | Empire State League | , | ||
| Jesse Theobald | 1907 | 5/9-9/21 | Madison Senators | Wisconsin State League | , | ||
| George Therre | therre001geo | 1907 | 5/29-6/7 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| George Therre | therre001geo | 1907 | 6/13-6/24 | Albany Senators | New York State League | , | |
| George Therre | therre001geo | 1907 | 7/29-9/8 | Easton | Atlantic League | , | |
| Otto Thiel | thiel-001ott | 1907 | 4/10-5/31 | Memphis Egyptians | Southern Association | , | |
| Otto Thiel | thiel-001ott | 1907 | 7/5-7/6 | Vicksburg Hill Billies | Cotton States League | , | |
| Otto Thiel | thiel-001ott | 1907 | 7/10-9/3 | Jacksonville Jays | South Atlantic League | , | |
| Jake Thielman | thielm001joh | 1907 | 21 g. | Cleveland | American League | Cleveland, OH | |
| Rudolph Thielman | thielm001r-- | 1907 | , | ||||
| Jack Thiery | thiery001joh | 1907 | 5/1- | 126 g. | Peoria Distillers | Illinois-Indiana-Iowa League | , |
| Thomas | thomas037--- | 1907 | 5/14-9/22 | Mount Clemens Bathers | Southern Michigan League | , | |
| Thomas | 1907 | 5/4-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Thomas | 1907 | 5/28-6/18 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Thomas | 1907 | 7/9 | Danville Red Sox | Virginia League | , | ||
| Bert Thomas | 1907 | 4/17-5/11 | Augusta Tourists | South Atlantic League | , | ||
| Bill Thomas | thomas007wil | 1907 | 5/1-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Frosty Thomas | thomas001for | 1907 | Ensworth Med. | College | , | ||
| Frosty Thomas | thomas001for | 1907 | 4/19-9/7 | Minneapolis Millers | American Association | , | |
| Ira Thomas | thomas001ira | 1907 | 80 g. | New York | American League | New York, NY | |
| Jack Thomas | thomas007joh | 1907 | 4/17-9/15 | Lincoln Treeplanters | Western League | , | |
| James Thomas | thomas002jim | 1907 | 6/15-9/22 | Battle Creek Crickets | Southern Michigan League | , | |
| Roy Thomas | thomas002roy | 1907 | Philadelphia | National League | Philadelphia, PA | ||
| Tom Thomas | thomas005tho | 1907 | 8/3-9/5 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Walt Thomas | thomas010wil | 1907 | 8/10-9/22 | Lansing Senators | Southern Michigan League | , | |
| William Thomas | thomas002b-- | 1907 | 5/3-9/28 | Youngstown Champs | Ohio-Pennsylvania League | , | |
| Art Thomason | thomas003art | 1907 | 5/2-9/15 | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Thompson | 1907 | Stroudsburg | Blue Mountain League | , | |||
| C. Emmett? Thompson | 1907 | 6/1-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | ||
| C. Emmett? Thompson | 1907 | +6/10-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| C. Emmett? Thompson | 1907 | 8/6-8/16+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Charles Thompson | 1907 | 10 g. | Paris Athletics | North Texas League | , | ||
| Charles Thompson | 1907 | 9/19 | Leavenworth Convicts | Western Association | , | ||
| Clark Thompson | 1907 | U. Arkansas | College | , | |||
| Clark Thompson | 1907 | +7/12-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Frank Thompson | 1907 | +4/11+ | N. Carolina State | College | , | ||
| Gus Thompson | thomps007joh | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| H. Thompson | 1907 | 51 g. | Paris Athletics | North Texas League | , | ||
| Toot Thompson | 1907 | 8/4-9/2 | Houghton Giants | Northern-Copper Country League | , | ||
| W. H. Thompson | 1907 | Dixon IL | Independent | , | |||
| W. H. Thompson | 1907 | 7/29 | Eau Claire Tigers | Wisconsin State League | , | ||
| Harold Thomson | 1907 | 24 g. | Temple Boll Weevils | Texas League | , | ||
| Harold Thomson | 1907 | Galveston Sand Crabs | Texas League | , | |||
| Jack Thoney | thoney001joh | 1907 | 4/24-8/12 | Toronto Maple Leafs | Eastern League | , | |
| Jack Thoney | thoney001joh | 1907 | 9/20-9/24 | Toronto Maple Leafs | Eastern League | , | |
| George Thornhill | thornh001geo | 1907 | 4/26-9/7 | Fall River Indians | New England League | , | |
| Ross Thornton | thornt001ros | 1907 | 5/1- | 111 g. | Springfield Senators | Illinois-Indiana-Iowa League | , |
| Woody Thornton | thornt002woo | 1907 | 4/11-9/18 | Mobile Sea Gulls | Cotton States League | , | |
| Elmer Thorsen | 1907 | 32 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| William Thum | thum--001wil | 1907 | 7/1-7/2 | Chester/Tamaqua | Atlantic League | , | |
| Pat Tibald | tibald001pet | 1907 | 4/8-5/23 | Columbia Gamecocks | South Atlantic League | , | |
| Pat Tibald | tibald001pet | 1907 | 6/7- | Flint Vehicles | Southern Michigan League | , | |
| James Tibbetts | tibbet002jam | 1907 | 5/21-9/16 | Mansfield Pioneers | Ohio-Pennsylvania League | , | |
| George Tieman | tieman001geo | 1907 | 4/26-9/15 | South Bend Greens | Central League | , | |
| Eddie Tiemeyer | tiemey001edw | 1907 | 4/11 | Cincinnati | National League | Cincinnati, OH | |
| Eddie Tiemeyer | tiemey001edw | 1907 | 4/22-9/16 | St. Paul Saints | American Association | , | |
| Tierney | 1907 | 7/21 | Troy Trojans | New York State League | , | ||
| Tierney | 1907 | 8/14 | Newark | Atlantic League | , | ||
| James Tierno | 1907 | 5/4-6/28 | Newark | Atlantic League | , | ||
| James Tierno | 1907 | 7/4 | Easton | Atlantic League | , | ||
| James Tierno | 1907 | 7/12-8/10 | Newark | Atlantic League | , | ||
| James Tierno | 1907 | 8/22-8/31 | Brooklyn | Atlantic League | , | ||
| James Tierno | 1907 | 9/8 | Newark | Atlantic League | , | ||
| Gordon Tiffany | 1907 | 5/1-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Gordon Tiffany | 1907 | 9/5-9/28 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Ray Tift | tift--001ray | 1907 | 8/7- | 4 g. | New York | American League | New York, NY |
| Ray Tift | tift--001ray | 1907 | 9/20-9/24 | Montreal Royals | Eastern League | , | |
| Jack Tighe | tighe-001joh | 1907 | 5/1- | 49 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , |
| Jimmy Tilford | tilfor001jam | 1907 | Galveston Sand Crabs | Texas League | , | ||
| Jimmy Tilford | tilfor001jam | 1907 | 7/31-9/18 | Meridian Ribboners | Cotton States League | , | |
| Tilley | 1907 | 1 g. | Paris Athletics | North Texas League | , | ||
| Ted? Timbrook | 1907 | 6/30 | Newark | Atlantic League | , | ||
| Ted? Timbrook | 1907 | 8/4-8/17 | Newark | Atlantic League | , | ||
| Elmer Tims | tims--000elm | 1907 | 5/3-6/21+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Elmer Tims | tims--000elm | 1907 | 6/3-7/18 | Connellsville Cokers | Western Pennsylvania League | , | |
| Elmer Tims | tims--000elm | 1907 | 8/2-8/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Guy Titman | 1907 | 4/18-9/21 | Richmond Colts | Virginia League | , | ||
| E. H. Todd | todd--001o-- | 1907 | 5/10-7/9 | Wausau Lumberjacks | Wisconsin State League | , | |
| E. H. Todd | todd--001o-- | 1907 | 7/6-9/22 | Lansing Senators | Southern Michigan League | , | |
| Jack Toft | toft--001jam | 1907 | , | ||||
| Jimmy Toman | toman-001jam | 1907 | 4/17-4/24 | Denver Grizzlies | Western League | , | |
| Jimmy Toman | toman-001jam | 1907 | 5/14-9/13 | Wilkes-Barre Barons | New York State League | , | |
| Jimmy Toman | toman-001jam | 1907 | 6/13-6/24 | Scranton Miners | New York State League | , | |
| Thomas Toner | toner-001tho | 1907 | 4/11-9/17 | Vicksburg Hill Billies | Cotton States League | , | |
| Thomas Toner | toner-001tho | 1907 | Salida CO | Independent | , | ||
| Thomas Toner | toner-001tho | 1907 | 6/21-7/4 | Pueblo Indians | Western League | , | |
| Thomas Toner | toner-001tho | 1907 | +9/15+ | Trinidad CO | Independent | , | |
| Doc Tonkin | tonkin001har | 1907 | 8/19 | Washington | American League | Washington, DC | |
| Doc Tonkin | tonkin001har | 1907 | 9/5-9/8 | Manchester | New England League | , | |
| Doc Tonkin | tonkin001har | 1907 | Martinsburg WV | Independent | , | ||
| Doc Tonkin | tonkin001har | 1907 | 8/29-9/14 | Des Moines Champs | Western League | , | |
| Charles Tonneman | 1907 | 4/17-5/29 | Pueblo Indians | Western League | , | ||
| Charles Tonneman | 1907 | 6/7 | Joplin Miners | Western Association | , | ||
| Charles Tonneman | 1907 | 6/8-7/21 | Topeka White Sox | Western Association | , | ||
| Charles Tonneman | 1907 | 7/24-8/23 | Springfield Midgets | Western Association | , | ||
| Charles Tonneman | 1907 | 8/25 | Topeka White Sox | Western Association | , | ||
| Charles Tonneman | 1907 | 8/27-9/22 | Hutchinson Salt Packers | Western Association | , | ||
| Thomas Tonneson | 1907 | 36 g. | Aberdeen Black Cats | Northwestern League | , | ||
| Toohey | 1907 | 5/7-7/30 | Quincy Gems | Iowa League | , | ||
| Albert Tooley | 1907 | 5/1-6/26 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| William Toomey | 1907 | Newburgh Hillies | Hudson River League | , | |||
| William Toomey | 1907 | 6/27-7/15 | Allentown | Atlantic League | , | ||
| William Toomey | 1907 | 7/19-9/7 | Fall River Indians | New England League | , | ||
| Raymond Topham | 1907 | 21 g. | Franklin Millionaires | Interstate League | , | ||
| Raymond Topham | 1907 | 7/26-8/17 | Reading | Atlantic League | , | ||
| Roy Toren | toren-002roy | 1907 | 5/1-5/18 | Toronto Maple Leafs | Eastern League | , | |
| Roy Toren | toren-002roy | 1907 | 5/25-8/25 | Baltimore Orioles | Eastern League | , | |
| Roy Toren | toren-002roy | 1907 | 9/3- | Toronto Maple Leafs | Eastern League | , | |
| John Torpey | 1907 | 5/4-5/25 | Pottsville | Atlantic League | , | ||
| Cy Torrence | torren001osc | 1907 | no g. | Leavenworth Convicts | Western Association | , | |
| Cy Torrence | torren001osc | 1907 | +6/19-7/28+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| William Torrence | torren002wil | 1907 | +6/19-8/4+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | |
| Lucien Torrey | 1907 | 4/27 | Shreveport Pirates | Southern Association | , | ||
| Lucien Torrey | 1907 | 37 g. | Galveston Sand Crabs | Texas League | , | ||
| Lucien Torrey | 1907 | 9/6-9/13 | Shreveport Pirates | Southern Association | , | ||
| Clarence Totman | totman001cla | 1907 | Edmondton | Twilight | , | ||
| Clarence Totman | totman001cla | 1907 | 9/10-9/19 | Seattle Siwashes | Northwestern League | , | |
| Justin Touchstone | 1907 | Austin College | College | , | |||
| Justin Touchstone | 1907 | 6/3-6/15 | Fort Worth Panthers | Texas League | , | ||
| Justin Touchstone | 1907 | 3 g. | Terrell Red Stockings | North Texas League | , | ||
| Justin Touchstone | 1907 | 7/- | Midland TX | Independent | , | ||
| Justin Touchstone | 1907 | 7/- | Wichita Falls TX | Independent | , | ||
| Theodore Touchstone | 1907 | 4/24-4/25 | Wilmington Peaches | Tri-State League | , | ||
| Theodore Touchstone | 1907 | 5/22-5/31 | Chester/Tamaqua | Atlantic League | , | ||
| Theodore Touchstone | 1907 | 8/22- | Bridgeton NJ | Independent | , | ||
| Touhey | 1907 | 8/17-9/11 | Eau Claire Tigers | Wisconsin State League | , | ||
| Joseph Touhey | toohey001jos | 1907 | 90 g. | Franklin Millionaires | Interstate League | , | |
| Babe Towne | towne-001jay | 1907 | 4/17-7/26 | Minneapolis Millers | American Association | , | |
| Babe Towne | towne-001jay | 1907 | 7/28-9/15 | Burlington Pathfinders | Iowa League | , | |
| Cy Townsend | townse002cha | 1907 | Pen Argyl | Blue Mountain League | , | ||
| Cy Townsend | townse002cha | 1907 | 7/1- | Umpire | Empire State League | , | |
| George Townsend | 1907 | 4/26-5/8 | Lynn Shoemakers | New England League | , | ||
| Guy Townsend | townse001guy | 1907 | 4/22-5/22 | Omaha Rourkes | Western League | , | |
| Guy Townsend | townse001guy | 1907 | 8/1-9/15 | Jacksonville Lunatics | Iowa League | , | |
| Happy Townsend | townse001joh | 1907 | 4/20-9/15 | Columbus Senators | American Association | , | |
| Bill Tozer | tozer-001wil | 1907 | 4/27-9/22 | Buffalo Bisons | Eastern League | , | |
| Grover Tracey | tracey001gro | 1907 | 103 g. | Duluth White Sox | Northern-Copper Country League | , | |
| Grover Tracey | tracey001gro | 1907 | 9/4-9/22 | La Crosse Badgers | Wisconsin State League | , | |
| Charles Traeger | traege002cha | 1907 | 6/29- | Seattle Siwashes | Northwestern League | , | |
| Trainor | 1907 | Punxsutawney | Independent | , | |||
| Trainor | 1907 | Franklin Millionaires | Interstate League | , | |||
| James Trainor | traino001jam | 1907 | 5/12-9/22 | Syracuse Stars | New York State League | , | |
| John Travers | 1907 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |||
| Thomas Travers | 1907 | 5/30-6/1 | Easton | Atlantic League | , | ||
| Thomas Travers | 1907 | Roeblings | Independent | , | |||
| Thomas Travers | 1907 | 6/15-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Thomas Travers | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Wix Treadway | treadw001win | 1907 | 5/27-7/22 | Duluth White Sox | Northern-Copper Country League | , | |
| Wix Treadway | treadw001win | 1907 | 7/25-9/2 | Calumet Aristocrats | Northern-Copper Country League | , | |
| Parker Treat | treat-001par | 1907 | 46 g. | New London Whalers | Connecticut State League | , | |
| Trepitt | 1907 | U. Oklahoma | College | , | |||
| Trepitt | 1907 | 5/30-6/2+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Walter Trevillian | 1907 | +8/31+ | Rich.-Times-Disp | Independent | , | ||
| Benjamin Tribble | 1907 | 4/11-4/13 | Macon Brigands | South Atlantic League | , | ||
| Benjamin Tribble | 1907 | 5/22-8/10 | Sumter Gamecocks | South Carolina League | , | ||
| Benjamin Tribble | 1907 | 8/17-9/4 | Columbia Gamecocks | South Atlantic League | , | ||
| Walter Trombley | 1907 | +9/2+ | MtCl-Dad’s | Independent | , | ||
| Troy | 1907 | 12 g. | Olean Refiners | Interstate League | , | ||
| Troy | 1907 | 7/20-7/23 | , | ||||
| Harry Truby | truby-002har | 1907 | 4/18-9/21 | Umpire | Virginia League | , | |
| Frank Truesdale | truesd001fra | 1907 | 136 g. | Houston Buffaloes | Texas League | , | |
| Tucker | 1907 | 8/3-9/4+ | Mobile Sea Gulls | Cotton States League | , | ||
| Tucker | 1907 | 6/6 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Tucker | 1907 | 6/15 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Dave Tucker | tucker001dav | 1907 | 5/14-7/12 | Lansing Senators | Southern Michigan League | , | |
| Fred Tucker | tucker001f-- | 1907 | 5/16-5/18 | Tecumseh | Southern Michigan League | , | |
| Fred Tucker | tucker001f-- | 1907 | 5/24-6/10 | Flint Vehicles | Southern Michigan League | , | |
| Tom Tuckey | tuckey002tho | 1907 | 37 g. | New Haven Blues | Connecticut State League | , | |
| Leslie Tullos | 1907 | 101 g. | Dallas Giants | Texas League | , | ||
| Turner | 1907 | +6/14 | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Turner | 1907 | +7/17-8/8+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Turner | 1907 | Interstate League | , | ||||
| Turner | 1907 | 8/12-8/16 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| C. Turner | 1907 | +6/24-9/22 | Leavenworth Convicts | Western Association | , | ||
| Clebe Turner | 1907 | 4/11-6/14+ | Columbus Discoverers | Cotton States League | , | ||
| Vincent Turner | turner001vin | 1907 | 4/12-9/13 | Birmingham Barons | Southern Association | , | |
| William Turnipseed | 1907 | Mobile Sea Gulls | Cotton States League | , | |||
| William Turnipseed | 1907 | +7/22+ | Columbus Discoverers | Cotton States League | , | ||
| George Tuttle | 1907 | Waterloo Cubs | Iowa League | , | |||
| Joseph Twin | 1907 | Carlisle | School | , | |||
| Joseph Twin | 1907 | 6/19-7/3 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Joseph Twin | 1907 | W. Schuykill | Independent | , | |||
| Harry Twitchell | 1907 | +8/18-9/16 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Fred Twombley | 1907 | 7/4-7/5 | Worcester Busters | New England League | , | ||
| Vincent Tydeman | 1907 | 5/20-8/9 | Orangeburg Edistoes | South Carolina League | , | ||
| Vincent Tydeman | 1907 | 8/13-9/21 | Danville Red Sox | Virginia League | , | ||
| Raymond Tyler | tyler-002ray | 1907 | 5/22-7/28 | Reading | Atlantic League | , | |
| Raymond Tyler | tyler-002ray | 1907 | 7/31 | Chester/Tamaqua | Atlantic League | , | |
| Roy Tyler | 1907 | 5/12-5/13 | Wheeling Stogies | Central League | , | ||
| Roy Tyler | 1907 | 8/1 | Williamsport Millionaires | Tri-State League | , | ||
| Fred Uhl | uhl---003--- | 1907 | Indi-Dueesseldorfers | Independent | , | ||
| Uhland | 1907 | 5/27-6/5 | Quincy Gems | Iowa League | , | ||
| Uhren | 1907 | 5/7,6/25 | Springfield Midgets | Western Association | , | ||
| Ullman | 1907 | 6/16-6/19 | Quincy Gems | Iowa League | , | ||
| Charles Ullman | 1907 | 5/24-9/7 | Oswego | Empire State League | , | ||
| Fred Ulrich | ulrich001fre | 1907 | 5/1- | 41 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| Fred Ulrich | ulrich001fre | 1907 | 4 g. | Wheeling Stogies | Central League | , | |
| Curtis Uncapher | 1907 | 6/12-7/17 | Freeport Pretzels | Wisconsin State League | , | ||
| Bob Unglaub | unglau002rob | 1907 | 139 g. | Boston | American League | Boston, MA | |
| Tommy Uniac | uniac-001tho | 1907 | 6/21-8/17 | Haverhill Hustlers | New England League | , | |
| Armour Unrue | 1907 | 5/1- | 56 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| George Upp | upp---001geo | 1907 | 4/21-9/13 | Columbus Senators | American Association | , | |
| Roy Urbach | 1907 | 5 g. | Olean Refiners | Interstate League | , | ||
| Urquhart | 1907 | 6/22 | Lyons | Empire State League | , | ||
| Lon Ury | ury---001lou | 1907 | 5/8-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Jerome Utley | utley-001jer | 1907 | Detroit College | College | , | ||
| Utter | 1907 | 5/5 | Parsons Preachers | Oklahoma-Arkansas-Kansas League | , | ||
| Harry Vahrenhorst | vahren001har | 1907 | 4 g. | Jackson Senators | Cotton States League | , | |
| Harry Vahrenhorst | vahren001har | 1907 | 7/5 | Terre Haute Hottentots | Central League | , | |
| Harry Vahrenhorst | vahren001har | 1907 | 8/23-8/31 | Jacksonville Lunatics | Iowa League | , | |
| Harry Vahrenhorst | vahren001har | 1907 | 9/4-9/10 | Keokuk Indians | Iowa League | , | |
| Bob Vail | vail--001rob | 1907 | 4/29-7/5 | Lynn Shoemakers | New England League | , | |
| Bob Vail | vail--001rob | 1907 | 7/15-8/17 | Richmond Colts | Virginia League | , | |
| Bob Vail | vail--001rob | 1907 | 8/28-9/20 | Portsmouth Truckers | Virginia League | , | |
| Fred Valdois | valdoi001fre | 1907 | 4/26-9/7 | New Bedford Whalers | New England League | , | |
| Emil Valenti | 1907 | 4/27 | South Bend Greens | Central League | , | ||
| Emil Valenti | 1907 | 6/27-7/27 | South Bend Greens | Central League | , | ||
| Emil Valenti | 1907 | +7/28+ | Kendallville IN | Independent | , | ||
| Edward Van Anda | vanand002edw | 1907 | no g. | Wilmington Peaches | Tri-State League | , | |
| Edward Van Anda | vanand002edw | 1907 | 6/5 | Baltimore Orioles | Eastern League | , | |
| Edward Van Anda | vanand002edw | 1907 | 6/23 | South Bend Greens | Central League | , | |
| Edward Van Anda | vanand002edw | 1907 | 7/7-8/2 | Hutchinson Salt Packers | Western Association | , | |
| Van Avery | 1907 | 5/10-5/12 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Deacon Van Buren | vanbur001edw | 1907 | 136 g. | Aberdeen Black Cats | Northwestern League | , | |
| Dow Van Dine | vandin001dow | 1907 | 133 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Van Sickle | 1907 | 9/15 | Umpire | Western League | , | ||
| Ike Van Zandt | vanzan001cha | 1907 | 5/9-9/22 | Binghamton Bingoes | New York State League | , | |
| Reggie Van Zandt | 1907 | 4/26-6/28 | Vancouver Canucks | Northwestern League | , | ||
| Reggie Van Zandt | 1907 | 7/12-8/1 | Butte Miners | Northwestern League | , | ||
| Neal Vance | vance-001nea | 1907 | 22 g. | Houston Buffaloes | Texas League | , | |
| Neal Vance | vance-001nea | 1907 | 7/28-8/5+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Neal Vance | vance-001nea | 1907 | +8/16-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Carl Vandagrift | vandag001car | 1907 | 6/21-6/22 | Pueblo Indians | Western League | , | |
| Carl Vandagrift | vandag001car | 1907 | 6/27-7/14 | Denver Grizzlies | Western League | , | |
| Carl Vandagrift | vandag001car | 1907 | 7/17 | Pueblo Indians | Western League | , | |
| Carl Vandagrift | vandag001car | 1907 | 28 g. | Clinton Infants | Illinois-Indiana-Iowa League | , | |
| Carl Vandagrift | vandag001car | 1907 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| George Vandegrift | vandeg001geo | 1907 | 4/25-9/24 | Jersey City Skeeters | Eastern League | , | |
| Anthony Vanderhill | vander001ant | 1907 | 5/2-9/22 | Joplin Miners | Western Association | , | |
| Albert Varco | 1907 | +6/20+ | Bemidji SD | Independent | , | ||
| Joseph Varner | varner001j-- | 1907 | 8/1-8/7 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Cal Vasbinder | vasbin001mos | 1907 | +5/22+ | 11 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , |
| Wade Vasbinder | 1907 | 5/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Vaughn | 1907 | 9/1 | Brooklyn | Atlantic League | , | ||
| Vaughn | 1907 | Carrollton IL | Independent | , | |||
| Farmer Vaughn | vaughn001far | 1907 | Birmingham Barons | Southern Association | , | ||
| Hippo Vaughn | vaughn002jam | 1907 | 31 g. | Corsicana Oilers/Desperados | North Texas League | , | |
| Merrill Vaughn | vaughn001mer | 1907 | 5/10-5/30+ | Joplin Miners | Western Association | , | |
| Merrill Vaughn | vaughn001mer | 1907 | +6/20-9/19 | Leavenworth Convicts | Western Association | , | |
| Phil Veach | 1907 | 8/6-9/15 | Umpire | Central League | , | ||
| Asa Vealey | 1907 | +8/31+ | Wayne MI | Independent | , | ||
| Bucky Veil | veil--001fre | 1907 | 4/20-5/17 | Columbus Senators | American Association | , | |
| Bucky Veil | veil--001fre | 1907 | 5/29 | Williamsport Millionaires | Tri-State League | , | |
| William Veley | 1907 | 15 g. | Butte Miners | Northwestern League | , | ||
| William Veley | 1907 | Seattle Siwashes | Northwestern League | , | |||
| William Veley | 1907 | Vancouver Canucks | Northwestern League | , | |||
| Charles Venable | venabl001cha | 1907 | 4/25-9/1+ | Wheeling Stogies | Central League | , | |
| Perry Verga | verga-001geo | 1907 | no g. | Wilkes-Barre Barons | New York State League | , | |
| Perry Verga | verga-001geo | 1907 | Camden NJ | Independent | , | ||
| Vergiels | 1907 | 5/18-6/2 | Flint Vehicles | Southern Michigan League | , | ||
| Lee Vernuelle | vernue001rob | 1907 | 4/18-9/21 | Roanoke Tigers | Virginia League | , | |
| Java Verschure | 1907 | 5/2-8/23 | Umpire | Western Association | , | ||
| Lee Viau | viau--001lee | 1907 | 22 g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Rube Vickers | vicker001har | 1907 | 10 g. | Philadelphia | American League | Philadelphia, PA | |
| Rube Vickers | vicker001har | 1907 | 6/3-9/12 | Williamsport Millionaires | Tri-State League | , | |
| William Viebahn | 1907 | 6/19-6/20 | Charleston Sea Gulls | South Atlantic League | , | ||
| William Viebahn | 1907 | 6/28-9/2 | Columbia Gamecocks | South Atlantic League | , | ||
| George Villeman | villem001geo | 1907 | 8 g. | Oil City-Jamestown Oseejays | Interstate League | , | |
| George Villeman | villem001geo | 1907 | 7/28-8/24 | Easton | Atlantic League | , | |
| Rube Vinson | vinson001ern | 1907 | 4/24-5/10 | Wilmington Peaches | Tri-State League | , | |
| Rube Vinson | vinson001ern | 1907 | 5/17-5/25 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Rube Vinson | vinson001ern | 1907 | 6/11-6/22 | Chester/Tamaqua | Atlantic League | , | |
| Rube Vinson | vinson001ern | 1907 | 6/24-7/8 | Wilmington Peaches | Tri-State League | , | |
| Rube Vinson | vinson001ern | 1907 | 7/12-8/3 | Johnstown Johnnies | Tri-State League | , | |
| Theodore Vinson | vinson001the | 1907 | 4/11-7/10+ | Jackson Senators | Cotton States League | , | |
| Theodore Vinson | vinson001the | 1907 | 7/- | 2 g. | Meridian Ribboners | Cotton States League | , |
| Theodore Vinson | vinson001the | 1907 | 35 g. | Fort Worth Panthers | Texas League | , | |
| Theodore Vinson | vinson001the | 1907 | Austin Senators | Texas League | , | ||
| Edward Vint | 1907 | 6 g. | Galveston Sand Crabs | Texas League | , | ||
| Juan Viola | 1907 | 4/15-9/3 | Jacksonville Jays | South Atlantic League | , | ||
| Harry Vitter | vitter001har | 1907 | Lafayette Browns | Gulf Coast League | , | ||
| Harry Vitter | vitter001har | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | ||
| Harry Vitter | vitter001har | 1907 | Monroe Municipals | Gulf Coast League | , | ||
| Roland Vitter | vitter001rol | 1907 | Lafayette Browns | Gulf Coast League | , | ||
| Roland Vitter | vitter001rol | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | ||
| James Vizard | vizard001jam | 1907 | 5/9-6/9 | Madison Senators | Wisconsin State League | , | |
| Otto Vogel | 1907 | 5/1-9/10 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| Adam Voigt | voigt-001ada | 1907 | 5/9-8/7 | La Crosse Badgers | Wisconsin State League | , | |
| George Volk | volk--001geo | 1907 | +6/15+ | Canton Chinamen | Central League | , | |
| George Volk | volk--001geo | 1907 | +7/16-7/17+ | South Bend Greens | Central League | , | |
| Buck Vollmer | 1907 | 6/14-6/16 | Eau Claire Tigers | Wisconsin State League | , | ||
| Jake Volz | volz--001jac | 1907 | 40 g. | Bridgeport Orators | Connecticut State League | , | |
| Jake Volz | volz--001jac | 1907 | Holyoke Papermakers | Connecticut State League | , | ||
| Jake Volz | volz--001jac | 1907 | Hartford Senators | Connecticut State League | , | ||
| Bobby Vorpagel | vorpag001rob | 1907 | 4/18-4/21 | St. Paul Saints | American Association | , | |
| Bobby Vorpagel | vorpag001rob | 1907 | 5/9-9/22 | Madison Senators | Wisconsin State League | , | |
| H. L. Voss | 1907 | 5/18-5/24 | Winnipeg Maroons | Northern-Copper Country League | , | ||
| H. L. Voss | 1907 | Gilbert Plains | Independent | , | |||
| H. L. Voss | 1907 | 8/31-9/2 | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Rip Vowinkel | vowink001joh | 1907 | 5/3-9/22 | 31 g. | Buffalo Bisons | Eastern League | , |
| Joseph Vyskocil | vyskoc001jos | 1907 | Streator IL | Independent | , | ||
| Jimmy Wacker | wacker001cha | 1907 | 4/25-5/13 | Evansville River Rats | Central League | , | |
| Jimmy Wacker | wacker001cha | 1907 | 8/9-8/14 | Evansville River Rats | Central League | , | |
| Jimmy Wacker | wacker001cha | 1907 | +8/23-8/30+ | Marion KY | Independent | , | |
| Waddell | 1907 | 6/17 | Newark | Atlantic League | , | ||
| Ham Wade | wade--001abr | 1907 | New Haven Blues | Connecticut State League | , | ||
| Ham Wade | wade--001abr | 1907 | 9/7 | New York | National League | New York, NY | |
| Charles Wadleigh | 1907 | 5/17-7/13 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | ||
| Wagner | 1907 | 7/23-8/19 | Reading | Atlantic League | , | ||
| Wagner | 1907 | 7/31-8/3 | Keokuk Indians | Iowa League | , | ||
| Wagner | 1907 | 5/24-5/25 | Fulton | Empire State League | , | ||
| Charles Wagner | 1907 | 5/14-9/22 | Tecumseh | Southern Michigan League | , | ||
| H. Wagner | 1907 | 5/4-7/28 | Elizabeth | Atlantic League | , | ||
| Hans Wagner | 1907 | 8/17 | Lowell Tigers | New England League | , | ||
| Heinie Wagner | wagner001cha | 1907 | 111 g. | Boston | American League | Boston, MA | |
| Heinie Wagner | wagner001cha | 1907 | 7/12-7/14 | Rochester Bronchos | Eastern League | , | |
| Ivor Wagner | wagner001ivo | 1907 | 5/9-9/20 | Binghamton Bingoes | New York State League | , | |
| J. B. Wagner | 1907 | 5/22-5/28 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| J. B. Wagner | 1907 | 6/3-6/8 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Otto Wagner | wagner001ott | 1907 | 128 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| John Wagnon | 1907 | 4/20-4/25 | Augusta Tourists | South Atlantic League | , | ||
| John Wagnon | 1907 | 5/20-7/23 | Greenville Mountaineers | South Carolina League | , | ||
| John Wagnon | 1907 | 7/29-9/4 | Columbia Gamecocks | South Atlantic League | , | ||
| Harry Wahl | 1907 | Spri.-YMCA | Independent | , | |||
| Harry Wahl | 1907 | 9/11 | Springfield Babes | Central League | , | ||
| Howard Wakefield | wakefi001how | 1907 | Cleveland | American League | Cleveland, OH | ||
| Rufus Waldorf | 1907 | Notre Dame Univ. | College | , | |||
| Rufus Waldorf | 1907 | +6/17-6/27+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Rufus Waldorf | 1907 | 7/13-7/18 | Wheeling Stogies | Central League | , | ||
| Rufus Waldorf | 1907 | 7/30-8/11 | Sioux City Packers | Western League | , | ||
| Walker | 1907 | 5/19-8/19 | Flint Vehicles | Southern Michigan League | , | ||
| Walker | 1907 | 5/29 | Oswego | Empire State League | , | ||
| Walker | 1907 | 5/30 | Seneca Falls | Empire State League | , | ||
| Walker | 1907 | 8/31 | Allentown | Atlantic League | , | ||
| Curtis Walker | 1907 | 5/3 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Curtis Walker | 1907 | 6/28-9/18 | Danville Red Sox | Virginia League | , | ||
| Ed Walker | walker001edw | 1907 | 4/10-6/4 | Montgomery Senators | Southern Association | , | |
| Ed Walker | walker001edw | 1907 | +6/24-9/12+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Harry Walker | walker001--- | 1907 | LaPorte IN | Independent | , | ||
| Lee Walker | walker002lee | 1907 | +6/22-8/7+ | Hastings MI | Independent | , | |
| Mysterious Walker | walker004fre | 1907 | Univ. of Chicago | College | , | ||
| Mysterious Walker | walker004fre | 1907 | Chicago | American League | Chicago, IL | ||
| Otto Walker | 1907 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |||
| Roscoe Walker | 1907 | U. of Oklahoma | College | , | |||
| Roscoe Walker | 1907 | 5/25-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| Roy Walker | 1907 | 5/11-5/12 | Pueblo Indians | Western League | , | ||
| Scott Walker | 1907 | 4/25-9/15 | Dayton Veterans | Central League | , | ||
| Tom Walker | walker006tho | 1907 | 4/26-5/31 | Williamsport Millionaires | Tri-State League | , | |
| Tom Walker | walker006tho | 1907 | 6/17-7/3 | Wilmington Peaches | Tri-State League | , | |
| George Wall | 1907 | 5/24-9/7 | Oswego | Empire State League | , | ||
| James Wall | 1907 | 4/26- | Worcester Busters | New England League | , | ||
| James Wall | 1907 | -5/8 | Haverhill Hustlers | New England League | , | ||
| James Wall | 1907 | 5/1-6/19 | Newark Newks | Ohio-Pennsylvania League | , | ||
| James Wall | 1907 | 7/- | 11 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Joe Wall | wall--005jos | 1907 | no g. | Cleveland | American League | Cleveland, OH | |
| Joe Wall | wall--005jos | 1907 | 4/29-5/20 | Nashville Volunteers | Southern Association | , | |
| Joe Wall | wall--005jos | 1907 | 6/6-6/20 | Easton | Atlantic League | , | |
| Joe Wall | wall--005jos | 1907 | 7/27-8/13 | Allentown | Atlantic League | , | |
| Joe Wall | wall--005jos | 1907 | 8/14-9/2 | Brooklyn | Atlantic League | , | |
| Wallace | 1907 | 8/10-8/13 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Wallace | 1907 | 8/12-8/13 | Reading | Atlantic League | , | ||
| Wallace | 1907 | 5/21 | Lansing Senators | Southern Michigan League | , | ||
| Wallace | 1907 | 9/4 | Lynchburg Shoemakers | Virginia League | , | ||
| A. C. Wallace | 1907 | 9/6-9/22 | Green Bay Orphans | Wisconsin State League | , | ||
| Arthur Wallace | wallac001art | 1907 | 131 g. | Waco Navigators | Texas League | , | |
| Frank Wallace | 1907 | +5/11-5/18+ | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Frank Wallace | 1907 | 6/15-9/2 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Harry Wallace | wallac003har | 1907 | Greensburg Red Sox | Western Pennsylvania League | , | ||
| Jim Wallace | wallac005jam | 1907 | 5/9-5/12 | Utica Pent-Ups | New York State League | , | |
| Jim Wallace | wallac005jam | 1907 | 6/25-7/13 | Brockton Tigers | New England League | , | |
| Robert Wallace | wallac001rob | 1907 | 4/18-9/21 | Richmond Colts | Virginia League | , | |
| Wally Wallace | 1907 | 5/25-9/7 | Oswego | Empire State League | , | ||
| William Wallace | 1907 | 71 g. | Calumet Aristocrats | Northern-Copper Country League | , | ||
| William Wallace | 1907 | 9 g. | Portland Beavers | Pacific Coast League | , | ||
| Red Waller | waller001joh | 1907 | Bridgeport Orators | Connecticut State League | , | ||
| Red Waller | waller001joh | 1907 | Hoboken NJ | Independent | , | ||
| Walsh | 1907 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |||
| Walsh | 1907 | 7/22 | Pottsville | Atlantic League | , | ||
| Walsh | 1907 | 8/1-9/8 | Reading | Atlantic League | , | ||
| Andrew Walsh | 1907 | 5/11-9/14 | Quincy Gems | Iowa League | , | ||
| Connie Walsh | walsh-001cor | 1907 | 4/24-8/8 | Seattle Siwashes | Northwestern League | , | |
| Connie Walsh | walsh-001cor | 1907 | 9/16 | Pittsburgh | National League | Pittsburgh, PA | |
| James Walsh | 1907 | Niagara Univ. | College | , | |||
| James Walsh | 1907 | Seneca Falls | Empire State League | , | |||
| James Walsh | 1907 | 8/28-9/22 | Toronto Maple Leafs | Eastern League | , | ||
| James Walsh | 1907 | 1 g. | Syracuse Stars | New York State League | , | ||
| Joe Walsh | 1907 | 14 g. | Portland Blue Sox | Maine State League | , | ||
| John Walsh | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Joseph Walsh | walsh-007jos | 1907 | 5/10-9/21 | Richmond Colts | Virginia League | , | |
| Leo Walsh | walsh-001leo | 1907 | 4/11-9/6 | Montgomery Senators | Southern Association | , | |
| Martin Walsh | 1907 | 5/15-5/22 | Binghamton Bingoes | New York State League | , | ||
| Martin Walsh | 1907 | 5/30-7/11 | Portsmouth Truckers | Virginia League | , | ||
| Martin Walsh | 1907 | 7/23-9/20 | Danville Red Sox | Virginia League | , | ||
| Tommy Walsh | 1907 | Seneca Falls | Empire State League | , | |||
| Amos Walters | 1907 | no g. | Dallas Giants | Texas League | , | ||
| Amos Walters | 1907 | 54 g. | Terrell Red Stockings | North Texas League | , | ||
| Amos Walters | 1907 | Doug.-Midlands | Independent | , | |||
| Daniel Walters | walter003d-- | 1907 | 5/4-7/24 | Rochester Bronchos | Eastern League | , | |
| Daniel Walters | walter003d-- | 1907 | 10 g. | Little Rock Travelers | Southern Association | , | |
| Henry Walters | walter001hen | 1907 | 4/8-7/6 | Jacksonville Jays | South Atlantic League | , | |
| Henry Walters | walter001hen | 1907 | 7/17-9/4 | Columbia Gamecocks | South Atlantic League | , | |
| Herman Walters | 1907 | 5/12-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Lew Walters | walter001lew | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Roxey Walters | walter001lou | 1907 | 5/9-9/3 | Green Bay Orphans | Wisconsin State League | , | |
| Roxey Walters | walter001lou | 1907 | 9/6-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | |
| Charles Walton | 1907 | Pen Argyl | Blue Mountain League | , | |||
| Elmer Walton | 1907 | Nazareth | Blue Mountain League | , | |||
| Clarence Wamper | 1907 | 9/4-9/17 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Sid Wandell | 1907 | 5/18-5/30 | Battle Creek Crickets | Southern Michigan League | , | ||
| Sid Wandell | 1907 | Musk.MI-Indep | Independent | , | |||
| Jack Wanner | wanner001cla | 1907 | 128 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Indian War Eagle | 1907 | Carlisle | College | , | |||
| Ward | 1907 | 7/11 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Charles Ward | 1907 | 5/2-6/20 | Peoria Distillers | Illinois-Indiana-Iowa League | , | ||
| James Ward | 1907 | 67 g. | New London Whalers | Connecticut State League | , | ||
| Joe Ward | ward--001jos | 1907 | 4/24-9/14 | Altoona Mountaineers | Tri-State League | , | |
| Piggy Ward | ward--002fra | 1907 | 4/20-4/23 | Umpire | Northwestern League | , | |
| Jack Wardman | 1907 | 5/2-5/30 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Jack Wardman | 1907 | 6/18-8/15 | Butler White Sox | Western Pennsylvania League | , | ||
| Jack Wardman | 1907 | 8/18-9/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Jack Wardman | 1907 | +9/18-9/20 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| Clyde Wares | wares-001cly | 1907 | 5/1- | 110 g. | Zanesville | Pennsylvania-Ohio-Maryland League | , |
| Jack Warhop | warhop001joh | 1907 | 5/9-9/15 | Freeport Pretzels | Wisconsin State League | , | |
| Waring | 1907 | 5/19-5/21 | Montgomery Senators | Southern Association | , | ||
| Henry Waring | 1907 | +5/8-8/6 | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Warner | 1907 | 5/8-5/15 | Chester/Tamaqua | Atlantic League | , | ||
| Homer Warner | warner001hom | 1907 | 4/25-9/8+ | Grand Rapids Wolverines | Central League | , | |
| Jack Warner | 1907 | 6/6 | Connellsville Cokers | Western Pennsylvania League | , | ||
| James Warner | 1907 | 9/14-9/22 | Oshkosh Indians | Wisconsin State League | , | ||
| James Warner | 1907 | 8/9-9/7 | Lowell Tigers | New England League | , | ||
| Warren | 1907 | 5/21-5/28 | Spartanburg Spartans | South Carolina League | , | ||
| Wally Warren | warren002wal | 1907 | 4/18-8/28 | Portsmouth Truckers | Virginia League | , | |
| Wally Warren | warren002wal | 1907 | 8/31-9/18 | Richmond Colts | Virginia League | , | |
| William Warren | 1907 | Brownsville TN | Independent | , | |||
| William Warren | 1907 | 7/9-9/22 | Oshkosh Indians | Wisconsin State League | , | ||
| Mum Warrender | warren002fra | 1907 | 4/10-9/10 | Shreveport Pirates | Southern Association | , | |
| Warrick | 1907 | 6/3 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Buck Washer | washer001wil | 1907 | 5/29-9/2 | Scottdale Giants | Western Pennsylvania League | , | |
| William Wasson | 1907 | Glenwood Sprs. | Independent | , | |||
| William Wasson | 1907 | 8/20-9/8 | Pana Coal Miners | Eastern Illinois League | , | ||
| Watchorn | 1907 | 5/22-8/9 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| William Waterman | waterm001wil | 1907 | 4/26-5/8 | Haverhill Hustlers | New England League | , | |
| William Waterman | waterm001wil | 1907 | 78 g. | New London Whalers | Connecticut State League | , | |
| Clyde Waters | 1907 | 7/8-9/24 | Montreal Royals | Eastern League | , | ||
| Martin Waters | waters001mar | 1907 | 4/26- | 69 g. | Fall River Indians | New England League | , |
| Martin Waters | waters001mar | 1907 | -9/7 | Brockton Tigers | New England League | , | |
| William Waters | 1907 | 4/20- | 136 g. | Vancouver Canucks | Northwestern League | , | |
| Watson | 1907 | +7/12+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | ||
| Arthur Watson | 1907 | 5/9-9/22 | Eau Claire Tigers | Wisconsin State League | , | ||
| Julius Watson | watson001jul | 1907 | 6/7-8/5 | Spartanburg Spartans | South Carolina League | , | |
| Roscoe Watson | watson001ros | 1907 | 5/19-6/27 | Jackson Senators | Cotton States League | , | |
| Roscoe Watson | watson001ros | 1907 | 45 g. | Galveston Sand Crabs | Texas League | , | |
| George Watt | watt--001geo | 1907 | +5/12-9/11+ | Zanesville | Pennsylvania-Ohio-Maryland League | , | |
| Adolph Wattrick | wattri001e-- | 1907 | Flint Vehicles | Southern Michigan League | , | ||
| Al Watts | watts-001al- | 1907 | Flint Vehicles | Southern Michigan League | , | ||
| Henry Weakley | weakle001hen | 1907 | Leavenworth Convicts | Western Association | , | ||
| A. E. Weatherly | weathe001a-- | 1907 | +7/9+ | Rock Hill | South Carolina League | , | |
| Weaver | 1907 | 5/22-6/4 | Greenville Mountaineers | South Carolina League | , | ||
| Weaver | 1907 | 5/11-6/5 | Butler White Sox | Western Pennsylvania League | , | ||
| Weaver | weaver037--- | 1907 | 8/1-8/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | |
| Art Weaver | weaver001art | 1907 | 5/2-9/22 | Wichita Jobbers | Western Association | , | |
| Howard Weaver | 1907 | 33 g. | Kane Mountaineers | Interstate League | , | ||
| Howard Weaver | 1907 | 7/19-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| John Weaver | weaver003joh | 1907 | 5/12-7/10 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| John Weaver | weaver003joh | 1907 | 7/13-7/31 | Binghamton Bingoes | New York State League | , | |
| Julius Weaver | 1907 | 6/20-9/28 | Pana Coal Miners | Eastern Illinois League | , | ||
| W. H. Weaver | weaver000wh- | 1907 | Fort Worth Panthers | Texas League | , | ||
| Cleon Webb | 1907 | 5/1-5/30 | Newark Newks | Ohio-Pennsylvania League | , | ||
| Cleon Webb | 1907 | 6/5-9/25 | Mattoon Giants | Eastern Illinois League | , | ||
| Patrick Webb | 1907 | 4/26-5/1 | Fall River Indians | New England League | , | ||
| William Webb | 1907 | Empire State League | , | ||||
| Webber | 1907 | 6/2-6/6 | Flint Vehicles | Southern Michigan League | , | ||
| A. Webber | 1907 | 7/3-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Weber | 1907 | 6/1-6/11 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| A. G. Weber | 1907 | 5/29-6/25 | Clinton Infants | Illinois-Indiana-Iowa League | , | ||
| A. G. Weber | 1907 | 7/3-9/15 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| E. Weber | 1907 | 8 g. | Fort Worth Panthers | Texas League | , | ||
| Clifford Webster | 1907 | 5/14-9/22 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Al Weddige | weddig001alb | 1907 | Allentown | Atlantic League | , | ||
| C. Wedig | 1907 | 5/5 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Fred Weed | weed--001fre | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | |
| Bert Weeden | weeden001cha | 1907 | 5/9-9/22 | Troy Trojans | New York State League | , | |
| Weeks | 1907 | 5/20-8/10 | Umpire | South Carolina League | , | ||
| Fred Weeks | weeks-001fre | 1907 | 8/28-9/22 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Samuel Weems | 1907 | +4/19-5/2+ | Auburn Univ. | College | , | ||
| Samuel Weems | 1907 | 5/30-9/13 | Montgomery Senators | Southern Association | , | ||
| William Weida | weida-000wil | 1907 | Cant.-CrystalPark | Independent | , | ||
| Genser Weidensaul | weiden001yen | 1907 | 125 g. | Toronto Maple Leafs | Eastern League | , | |
| Curt Weigand | weigan001cur | 1907 | 4/24-7/23 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Curt Weigand | weigan001cur | 1907 | 7/24-9/14 | York White Rozes/Reading Pretzels | Tri-State League | , | |
| Nicholas Weigart | 1907 | +5/11+ | Denv.-Hanovers | Independent | , | ||
| Nicholas Weigart | 1907 | 6/13-9/15 | Ottumwa Packers | Iowa League | , | ||
| Frank Weikart | weiker001fra | 1907 | 108 g. | Galveston Sand Crabs | Texas League | , | |
| Gus Weill | 1907 | +7/9+ | Rock Hill | South Carolina League | , | ||
| Weimer | 1907 | 6/23 | Evansville River Rats | Central League | , | ||
| Jake Weimer | weimer001jac | 1907 | 81 g. | Cincinnati | National League | Cincinnati, OH | |
| John Weimer | 1907 | 60 g. | DuBois Miners | Interstate League | , | ||
| John Weimer | 1907 | Oil City-Jamestown Oseejays | Interstate League | , | |||
| Henry Weirich | 1907 | 5/14-9/21 | Bay City | Southern Michigan League | , | ||
| Raymond Weisbrod | weisbr001j-- | 1907 | 5/7-7/11 | Keokuk Indians | Iowa League | , | |
| Raymond Weisbrod | weisbr001j-- | 1907 | 7/13 | Burlington Pathfinders | Iowa League | , | |
| Raymond Weisbrod | weisbr001j-- | 1907 | 7/22-8/19 | Jacksonville Lunatics | Iowa League | , | |
| Raymond Weisbrod | weisbr001j-- | 1907 | 5/7-7/11 | Keokuk Indians | Iowa League | , | |
| Raymond Weisbrod | weisbr001j-- | 1907 | 7/13 | Burlington Pathfinders | Iowa League | , | |
| Raymond Weisbrod | weisbr001j-- | 1907 | 7/22-8/19 | Jacksonville Lunatics | Iowa League | , | |
| F. W. Weisler | 1907 | Umpire | Copper League | , | |||
| Charles Weisner | weisne002cha | 1907 | 5/8-5/13,7/20 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | |
| Welch | 1907 | 17 g. | Toronto Maple Leafs | Eastern League | , | ||
| Welch | 1907 | 5/16-7/4 | Quincy Gems | Iowa League | , | ||
| Welch | 1907 | 8/25 | Ottumwa Packers | Iowa League | , | ||
| Conrad Welch | welch-001con | 1907 | 5/9-9/22 | Joplin Miners | Western Association | , | |
| Conrad Welch | welch-001con | 1907 | 5/29-8/10 | Sumter Gamecocks | South Carolina League | , | |
| H. F. Welch | 1907 | 53 g. | Greenville Hunters | North Texas League | , | ||
| Harry Welch | welch-002har | 1907 | 4/17-9/15 | Omaha Rourkes | Western League | , | |
| Harry Welch | welch-001har | 1907 | 5/9-9/22 | Binghamton Bingoes | New York State League | , | |
| Kelly Welch | welch-000kel | 1907 | +9/2+ | Creston IA | Independent | , | |
| M. Welch | 1907 | 151 g. | Omaha Rourkes | Western League | , | ||
| Patrick Welch | 1907 | 4/26-5/17 | Haverhill Hustlers | New England League | , | ||
| Thomas Welch | 1907 | 4/30- | 16 g. | Seattle Siwashes | Northwestern League | , | |
| Thomas Welch | 1907 | White Horse | , | ||||
| Abe Welcher | 1907 | 5/4-9/8 | Allentown | Atlantic League | , | ||
| Abe Welcher | 1907 | 9/2 | Easton | Atlantic League | , | ||
| Welchon | 1907 | +9/5+ | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Mike Welday | welday001lyn | 1907 | 4/17- | Chicago | American League | Chicago, IL | |
| Burns Weller | weller001h-- | 1907 | 5/15-5/23 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Burns Weller | weller001h-- | 1907 | 6/1-6/13 | Seneca Falls | Empire State League | , | |
| William Weller | weller001wil | 1907 | 33 g. | Dallas Giants | Texas League | , | |
| Wellevard | 1907 | 5/16 | Flint Vehicles | Southern Michigan League | , | ||
| Wellmar | 1907 | 5/16-5/28 | Lansing Senators | Southern Michigan League | , | ||
| Jake Wells | wells-001jak | 1907 | President | Virginia League | , | ||
| Jake Wells | wells-001jak | 1907 | 7/12- | Richmond Colts | Virginia League | , | |
| Robert Wells | 1907 | 4/23-9/14 | Nashville Volunteers | Southern Association | , | ||
| Welsh | 1907 | 5 g. | South Bend Greens | Central League | , | ||
| Welsh | 1907 | 6/25-8/26 | Seneca Falls | Empire State League | , | ||
| Harry Welsh | 1907 | 70 g. | Houston Buffaloes | Texas League | , | ||
| John Welsh | 1907 | 7/3-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Welsher | 1907 | Allentown | Atlantic League | , | |||
| John Welter | welter002joh | 1907 | 5/2-9/22 | Springfield Midgets | Western Association | , | |
| Welty | 1907 | +6/29+ | Elyria OH | Independent | , | ||
| Benton Welty | welty-001ben | 1907 | 5/1-8/30 | Scottdale Giants | Western Pennsylvania League | , | |
| Calvin Wenger | 1907 | 5/14-9/22 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Perry Werden | werden001per | 1907 | 4/17-9/16 | Umpire | American Association | , | |
| Werner | 1907 | 28 g. | Monroe Municipals | Gulf Coast League | , | ||
| Miles Werner | 1907 | 5/6 | Columbia Gamecocks | South Atlantic League | , | ||
| Miles Werner | 1907 | 5/25-5/28 | Sumter Gamecocks | South Carolina League | , | ||
| William Wesp | wesp--000--- | 1907 | Stonega | Va Coal Fields | , | ||
| Frank Wessel | wessel002fra | 1907 | 4/25-9/1+ | Wheeling Stogies | Central League | , | |
| George Wessler | wessle001geo | 1907 | 93 g. | Edmonton Grays | Western Canada League | , | |
| Hi West | west--003jam | 1907 | 4/18-9/14 | Toledo Mud Hens | American Association | , | |
| Walter West | 1907 | 27 g. | New Haven Blues | Connecticut State League | , | ||
| William West | 1907 | 66 g. | Medicine Hat Hatters | Western Canada League | , | ||
| Claire Westcott | 1907 | 55 g. | Medicine Hat Hatters | Western Canada League | , | ||
| Ralph Westcott | westco001ral | 1907 | 5/2-7/29 | Joplin Miners | Western Association | , | |
| Ralph Westcott | westco001ral | 1907 | Miami MO | Independent | , | ||
| Oscar Westerberg | wester001osc | 1907 | 1 g. | Portland Beavers | Pacific Coast League | , | |
| Oscar Westerberg | wester001osc | 1907 | 9/5-9/7 | Boston | National League | Boston, MA | |
| Fred Westervelt | 1907 | Umpire | Virginia League | , | |||
| James Westlake | westla001jam | 1907 | 5/4-9/5 | Newark | Atlantic League | , | |
| James Westlake | westla001jam | 1907 | 9/6 | Brooklyn | Atlantic League | , | |
| Jesse Westmoreland | westmo000jes | 1907 | 5/2-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Jesse Westmoreland | westmo000jes | 1907 | 6/3-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Weston | 1907 | 7/22-8/7 | Umpire | Oklahoma-Arkansas-Kansas League | , | ||
| Henry Wetzel | 1907 | 5/1-9/8+ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Whalen | 1907 | +7/23+ | Atlantic City NJ | Independent | , | ||
| Arthur Whalen | whalen001art | 1907 | 13 g. | Monroe Municipals | Gulf Coast League | , | |
| Dan Whalen | whalen002dan | 1907 | , | ||||
| Danny Whalen | 1907 | 5/2-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Danny Whalen | 1907 | 5/28-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Danny Whalen | 1907 | 6/26-7/6 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Jesse Whalen | 1907 | 7/12-7/31 | Chester/Tamaqua | Atlantic League | , | ||
| Jimmy Whalen | whalen003wil | 1907 | Oakland Commuters | California State League | , | ||
| Jimmy Whalen | whalen003wil | 1907 | 4/27-8/31 | Williamsport Millionaires | Tri-State League | , | |
| John Whalen | whalen003joh | 1907 | 8/22-9/22 | Umpire | Southern Michigan League | , | |
| Zack Wheat | wheat-001zac | 1907 | 6 g. | Fort Worth Panthers | Texas League | , | |
| Wheeler | 1907 | 8/10-8/29 | Des Moines Champs | Western League | , | ||
| Wheeler | 1907 | 10 g. | Edmonton Grays | Western Canada League | , | ||
| Charles Wheeler | wheele004cha | 1907 | Greensboro AL | Independent | , | ||
| Ed Wheeler | wheele003edw | 1907 | 4/17-9/15 | Denver Grizzlies | Western League | , | |
| George Wheeler | wheele002geo | 1907 | 155 g. | San Francisco Seals | Pacific Coast League | , | |
| George Wheeler | 1907 | 4/26-5/12 | South Bend Greens | Central League | , | ||
| George Wheeler | 1907 | 6/4-9/ | Terre Haute Hottentots | Central League | , | ||
| George Wheeler | 1907 | 6/23-7/1 | Pana Coal Miners | Eastern Illinois League | , | ||
| Joseph Wheeler | 1907 | Marion College | College | , | |||
| Joseph Wheeler | 1907 | 5/15-9/18 | Columbus Discoverers | Cotton States League | , | ||
| W. Wheeler | 1907 | +5/23-6/9+ | Columbus Discoverers | Cotton States League | , | ||
| Wallace Wheeler | 1907 | 6/10 | Little Rock Travelers | Southern Association | , | ||
| Wallace Wheeler | 1907 | 7/5- | 16 g. | Fort Worth Panthers | Texas League | , | |
| Wallace Wheeler | 1907 | Umpire | Texas League | , | |||
| Wallace Wheelock | wheelo000wal | 1907 | 5/1-5/26 | Umpire | Illinois-Indiana-Iowa League | , | |
| J. Wherry | 1907 | 5/14- | Barre-Montpelier | New Hampshire State League | , | ||
| Gene? Whipple | 1907 | 6/8 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Ray Whisman | 1907 | 8/28-9/15 | Keokuk Indians | Iowa League | , | ||
| Robert Whisner | 1907 | +7/13-8/3+ | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Whitaker | 1907 | Fulton | Empire State League | , | |||
| John Whitaker | whitak001j-- | 1907 | Chattanooga TN | Independent | , | ||
| John Whitaker | whitak001j-- | 1907 | 37 g. | Darlington/Florence Fiddlers | South Carolina League | , | |
| L. H. Whitaker | 1907 | no g. | Wilkes-Barre Barons | New York State League | , | ||
| L. H. Whitaker | 1907 | 5/25-6/15 | Fulton | Empire State League | , | ||
| L. H. Whitaker | 1907 | 8/31 | Geneva | Empire State League | , | ||
| L. H. Whitaker | 1907 | 9/4 | Fulton | Empire State League | , | ||
| White | 1907 | 4/17-5/2 | Omaha Rourkes | Western League | , | ||
| White | 1907 | 5/30-6/8 | Chester/Tamaqua | Atlantic League | , | ||
| White | 1907 | 8/5 | Reading | Atlantic League | , | ||
| White | 1907 | 8/29-9/15 | Waterloo Cubs | Iowa League | , | ||
| White | 1907 | 5/1-9/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| White | 1907 | 6/15 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| White | 1907 | 6/20 | Butler White Sox | Western Pennsylvania League | , | ||
| White | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| White | 1907 | 7/8-7/20 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Burdette White | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| Burdette White | 1907 | 52 g. | San Antonio Bronchos | Texas League | , | ||
| Carl White | white-001car | 1907 | Paris Athletics | North Texas League | , | ||
| Carl White | white-001car | 1907 | Ardmore TX | Independent | , | ||
| David White | white-004dav | 1907 | 5/2-9/12+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Edward White | 1907 | 6/21-9/8 | Oshkosh Indians | Wisconsin State League | , | ||
| Foley White | white-001fol | 1907 | 98 g. | Temple Boll Weevils | Texas League | , | |
| George White | 1907 | Bridgeton NJ | Independent | , | |||
| Harry White | white-007har | 1907 | 5/2-6/2 | South McAlester Miners | Oklahoma-Arkansas-Kansas League | , | |
| Harry White | white-007har | 1907 | 6/3-8/5 | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Harry White | white-007har | 1907 | 8/6-8/28+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | |
| Harry White | white-009har | 1907 | 5/22-9/15 | Denver Grizzlies | Western League | , | |
| J. White | 1907 | 4/18-4/22 | Portsmouth Truckers | Virginia League | , | ||
| J. W. White | white-004j-- | 1907 | 5/11-8/24 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Jack White | white-012joh | 1907 | 4/24-9/24 | Buffalo Bisons | Eastern League | , | |
| Kirby White | white-001oli | 1907 | 5/10-9/19 | Lancaster Lanks | Ohio-Pennsylvania League | , | |
| Robert White | white-010rob | 1907 | 4/25-7/19 | Columbia Gamecocks | South Atlantic League | , | |
| Robert White | white-010rob | 1907 | 8/1-9/2 | Charleston Sea Gulls | South Atlantic League | , | |
| William White | white-024wil | 1907 | 5/14-9/22 | Oklahoma City Mets | Western Association | , | |
| William White | 1907 | 36 g. | Edmonton Grays | Western Canada League | , | ||
| Whiteman | 1907 | 7/6 | Wheeling Stogies | Central League | , | ||
| George Whiteman | whitem001geo | 1907 | 135 g. | Houston Buffaloes | Texas League | , | |
| George Whiteman | whitem001geo | 1907 | 9/13- | 4 g. | Boston | American League | Boston, MA |
| Roy Whiteside | 1907-08 | Moline HS | High School | , | |||
| Jesse Whiting | whitin002jes | 1907 | 4/29 | Brooklyn | National League | Brooklyn, NY | |
| Jesse Whiting | whitin002jes | 1907 | 5/9-8/14 | Jersey City Skeeters | Eastern League | , | |
| James Whitley | whitle001jam | 1907 | 25 g. | Holyoke Papermakers | Connecticut State League | , | |
| Joseph Whitmore | 1907 | Univ. Wisconsin | College | , | |||
| Joseph Whitmore | 1907 | 5/13-9/22 | Madison Senators | Wisconsin State League | , | ||
| Whitmore/myer | 1907 | Syracuse Univ. | College | , | |||
| Whitmore/myer | 1907 | 6/13-7/20 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Charles Whitney | 1907 | 5/3-9/15 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Merle Whitney | whitne001mer | 1907 | 4/24-9/14 | Williamsport Millionaires | Tri-State League | , | |
| Merle Whitney | whitne001mer | 1907 | Ormond Beach FL | Hotel | , | ||
| Whitstone/Whetstone | 1907 | 7/1-7/12 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Charles Whitten | whitte005--- | 1907 | +5/29-6/18+ | Chattanooga TN | Independent | , | |
| Charles Whitten | whitte005--- | 1907 | 6/24-8/2 | Darlington/Florence Fiddlers | South Carolina League | , | |
| Charles Whitten | whitte005--- | 1907 | +7/14+ | Chat.-Gas | ChatCity | , | |
| Charles Whitten | whitte005--- | 1907 | 8/7-8/9 | Spartanburg Spartans | South Carolina League | , | |
| Jo Whittenberg | whitte001ben | 1907 | 3 g. | Terrell Red Stockings | North Texas League | , | |
| Jo Whittenberg | whitte001ben | 1907 | 87 g. | Galveston Sand Crabs | Texas League | , | |
| John Wickenhofer | 1907 | 5/2-5/19 | Clarksburg Bees | Western Pennsylvania League | , | ||
| John Wickenhofer | 1907 | 7/16-9/1 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Bob Wicker | wicker001rob | 1907 | 4/17-9/14 | Columbus Senators | American Association | , | |
| Edward Wicker | wicker001edw | 1907 | Canyon City | Independent | , | ||
| Wiedman/Wei | 1907 | 9 g. | Fort Worth Panthers | Texas League | , | ||
| Jimmy Wiggs | wiggs-001jam | 1907 | 4/24-9/12 | Altoona Mountaineers | Tri-State League | , | |
| Charles Wilcox | 1907 | 4/20-5/9 | Seattle Siwashes | Northwestern League | , | ||
| Charles Wilcox | 1907 | 5/12-5/26 | Vancouver Canucks | Northwestern League | , | ||
| T. H. Wilcox | 1907 | 6/20 | Terre Haute Hottentots | Central League | , | ||
| Whit Wilcox | 1907 | Charl Med Col | College | , | |||
| Whit Wilcox | 1907 | 5/20-8/10 | Darlington/Florence Fiddlers | South Carolina League | , | ||
| Edwin Wilder | wilder015--- | 1907 | 4/29-4/30 | Lowell Tigers | New England League | , | |
| Percy Wilder | wilder001per | 1907 | 5/1-8/10 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Percy Wilder | wilder001per | 1907 | 8/13-9/13 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Wildon | 1907 | 5/2 | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | ||
| Jack Wiley | wiley-001joh | 1907 | 8 g. | Manchester | Maine State League | , | |
| Frederick Wilhelm | wilhel001fre | 1907 | 5/2-7/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Frederick Wilhelm | wilhel001fre | 1907 | +9/3+ | 13 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , |
| Frederick Wilhelm | wilhel001fre | 1907 | 9/15-9/21 | Newark Sailors | Eastern League | , | |
| Irvin Wilhelm | wilhel001irv | 1907 | 4/9-9/14 | Birmingham Barons | Southern Association | , | |
| Wilkerson | 1907 | 4/11 | Meridian Ribboners | Cotton States League | , | ||
| Joseph Wilkes | wilkes001jos | 1907 | 119 g. | Waterloo Cubs | Iowa League | , | |
| Joe Wilkins | wilkin001jos | 1907 | 59 g. | Butte Miners | Northwestern League | , | |
| Roy Wilkins | wilkin001roy | 1907 | St. Louis Trolley League | , | |||
| Wilkinson | 1907 | Orange Hoo-Hoos | Gulf Coast League | , | |||
| Wilkinson | 1907 | Monroe Municipals | Gulf Coast League | , | |||
| Wilkinson | 1907 | Alexandria White Sox | Gulf Coast League | , | |||
| George Wilkinson | wilkin003geo | 1907 | 4/10-9/4 | Charleston Sea Gulls | South Atlantic League | , | |
| Jack Wilkinson | wilkin004jac | 1907 | 7/18-9/15 | Umpire | Illinois-Indiana-Iowa League | , | |
| John Will | 1907 | 4/11-5/6 | Vicksburg Hill Billies | Cotton States League | , | ||
| Bert Willard | 1907 | 5/5-6/29+ | Grand Rapids Wolverines | Central League | , | ||
| Bert Willard | 1907 | 7/17-9/12 | Lansing Senators | Southern Michigan League | , | ||
| Seth Willard | 1907 | 8 g. | Pine Tree | Maine State League | , | ||
| Ed Willett | willet002rob | 1907 | 10 g. | Detroit | American League | Detroit, MI | |
| Rob Willett | 1907 | +8/18+ | Denv.-Iron Works | Independent | , | ||
| Willetts | 1907 | 5/2-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Willetts | 1907 | 5/28-6/25 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Willetts | 1907 | 6/26-7/5 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Willetts | 1907 | 7/12-9/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Williams | 1907 | 5/29-9/6 | Auburn | Empire State League | , | ||
| A. Williams | 1907 | 7/28-8/3 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| A. Williams | 1907 | 8/25-8/28 | Taylorville Tailors | Eastern Illinois League | , | ||
| Adrian Williams | 1907 | 5/12-9/29 | Pana Coal Miners | Eastern Illinois League | , | ||
| Alva Williams | 1907 | 5/7-8/28 | Keokuk Indians | Iowa League | , | ||
| Alva Williams | 1907 | +9/1-9/6+ | Terre Haute Hottentots | Central League | , | ||
| Clyde Williams | willia002s-- | 1907 | 6/5-7/19 | St. Paul Saints | American Association | , | |
| Clyde Williams | willia002s-- | 1907 | 7/20-8/31 | Toledo Mud Hens | American Association | , | |
| Clyde Williams | willia002s-- | 1907 | U. of Iowa | College | , | ||
| Dal Williams | willia001lev | 1907 | 8/1-9/8 | Pana Coal Miners | Eastern Illinois League | , | |
| Dave Williams | willia013dav | 1907 | 4/17-9/15 | Sioux City Packers | Western League | , | |
| Eddie Williams | 1907 | Atlantic City NJ | Independent | , | |||
| Harvey Williams | willia009har | 1907 | 5/19 | Albany Senators | New York State League | , | |
| James Williams | willia012jam | 1907 | 135 g. | Waco Navigators | Texas League | , | |
| Jimmy Williams | willia025jam | 1907 | New York | American League | New York, NY | ||
| John Williams | willia009joh | 1907 | 8 g. | Corsicana Oilers/Desperados | North Texas League | , | |
| John Williams | willia009joh | 1907 | 9 g. | Houston Buffaloes | Texas League | , | |
| John Williams | 1907 | 6/23-9/26 | Mattoon Giants | Eastern Illinois League | , | ||
| Nick Williams | willia011ric | 1907 | 189 g. | San Francisco Seals | Pacific Coast League | , | |
| Otto Williams | willia001ott | 1907 | 4/17-9/15 | Indianapolis Indians | American Association | , | |
| Tom Williams | willia004tom | 1907 | 4/28-9/7+ | South Bend Greens | Central League | , | |
| W. Williams | 1907 | 8/10-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Emile Williford | 1907 | 5/23-8/7+ | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Henry Willig | willig001hen | 1907 | 5/1- | 107 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , |
| Henry Willig | willig001hen | 1907 | -9/13 | Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Louie Willig | willig001lou | 1907 | 11 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Willis | 1907 | 18 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Willis | 1907 | +6/4+ | Bartlesville Boosters | Oklahoma-Arkansas-Kansas League | , | ||
| Delaware Willis | willis001del | 1907 | 4/9-5/10 | Charleston Sea Gulls | South Atlantic League | , | |
| Delaware Willis | willis001del | 1907 | 5/15-6/4 | Savannah Indians | South Atlantic League | , | |
| Delaware Willis | willis001del | 1907 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Delaware Willis | willis001del | 1907 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Otto Willis | 1907 | 4/20-9/18 | Roanoke Tigers | Virginia League | , | ||
| Ralph Willis | willis001ral | 1907 | 45 g. | San Francisco Seals | Pacific Coast League | , | |
| John Willoughby | 1907 | Starling Med. Col. | College | , | |||
| John Willoughby | 1907 | 98 g. | Oil City-Jamestown Oseejays | Interstate League | , | ||
| Albert Wilmot | wilmot001alb | 1907 | 5/1-9/25 | Marion Moguls | Ohio-Pennsylvania League | , | |
| Wilson | 1907 | 5/16-5/18 | York White Rozes/Reading Pretzels | Tri-State League | , | ||
| Wilson | 1907 | Beaver Falls Beavers | Western Pennsylvania League | , | |||
| Wilson | 1907 | 13 g. | Ottumwa Packers | Iowa League | , | ||
| Wilson | 1907 | 4/18-4/20 | Roanoke Tigers | Virginia League | , | ||
| Wilson | 1907 | 1 g. | Greenville Hunters | North Texas League | , | ||
| Wilson | 1907 | 5/11-5/27 | Ottumwa Packers | Iowa League | , | ||
| Wilson | 1907 | 5/1- | 7 g. | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Wilson | 1907 | 5/2-5/14 | Beaver Falls Beavers | Western Pennsylvania League | , | ||
| Wilson | 1907 | 5/21 | Scottdale Giants | Western Pennsylvania League | , | ||
| Wilson | 1907 | 8/29-9/2 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Wilson | 1907 | 7/5 | Butte Miners | Northwestern League | , | ||
| Wilson | 1907 | 9/20 | Lynchburg Shoemakers | Virginia League | , | ||
| A. Wilson | 1907 | 5/12-9/29 | Shelbyville Queen Citys | Eastern Illinois League | , | ||
| Art Wilson | wilson001art | 1907 | 5/110-9/15 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Bostic Wilson | 1907 | +5/17 | Muskogee Redskins | Oklahoma-Arkansas-Kansas League | , | ||
| Christy Wilson | wilson003chr | 1907 | 5/4-9/15 | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| Ernest Wilson | wilson001ern | 1907 | 5/2-9/2+ | Independence Champs | Oklahoma-Arkansas-Kansas League | , | |
| Frank Wilson | wilson004fra | 1907 | 5/2-9/22 | Hutchinson Salt Packers | Western Association | , | |
| Fred Wilson | wilson001bla | 1907 | 7/30-9/26 | Mattoon Giants | Eastern Illinois League | , | |
| Gary Wilson | wilson010jam | 1907 | 4/26-8/28 | Lawrence Colts | New England League | , | |
| Henry Wilson | 1907 | 5/1- | 5 g. | McKeesport Tubers | Pennsylvania-Ohio-Maryland League | , | |
| Jack Wilson | 1907 | 9/3-9/12 | Scranton Miners | New York State League | , | ||
| James Wilson | 1907 | 5/14-9/22 | Utica Pent-Ups | New York State League | , | ||
| Joseph Wilson | 1907 | Phillipsburg | Central Pennsylvania | , | |||
| Owen Wilson | wilson016joh | 1907 | 71 g. | Fort Worth Panthers | Texas League | , | |
| Owen Wilson | wilson016joh | 1907 | 7/30-8/1 | Little Rock Travelers | Southern Association | , | |
| Owen Wilson | wilson016joh | 1907 | 8/5-9/15 | Des Moines Champs | Western League | , | |
| Parke Wilson | wilson001par | 1907 | 4/20-5/4 | Vancouver Canucks | Northwestern League | , | |
| Peter Wilson | wilson001pet | 1907 | 44 g. | Hartford Senators | Connecticut State League | , | |
| Tug Wilson | 1907 | 5/20-5/22 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| William Wilson | 1907 | 5/2-6/15+ | Dayton Veterans | Central League | , | ||
| William Wilson | 1907 | Jennette PA | Independent | , | |||
| William Wilson | 1907 | 8/22-9/2 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Willy Wilson | wilson003wil | 1907 | 4/27-9/2 | Milwaukee Brewers | American Association | , | |
| Lewis Wiltse | wiltse001lew | 1907 | 4/25-7/9 | Johnstown Johnnies | Tri-State League | , | |
| Lewis Wiltse | wiltse001lew | 1907 | 7/29-8/17 | Reading | Atlantic League | , | |
| Lewis Wiltse | wiltse001lew | 1907 | 8/18-9/21 | Newark Sailors | Eastern League | , | |
| Earlton Winans | 1907 | 5/1-5/26 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Earlton Winans | 1907 | 7/24-9/15 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Fred Winchell | winche001fre | 1907 | 16 g. | San Antonio Bronchos | Texas League | , | |
| Roy Windham | 1907 | 5/5-5/20 | Brooklyn | Atlantic League | , | ||
| Roy Windham | 1907 | 28 g. | Opelousas Indians | Gulf Coast League | , | ||
| Chick Wing | 1907 | Newton KS | Independent | , | |||
| Winningham | 1907 | 5/24-6/9 | La Crosse Badgers | Wisconsin State League | , | ||
| Dicey Winston | winsto006--- | 1907 | Geological Dept | Wash DC | , | ||
| George Winter | winter001geo | 1907 | Boston | American League | Boston, MA | ||
| George Winters | winter002geo | 1907 | 4/9-9/14 | Atlanta Crackers | Southern Association | , | |
| Scott Winters | winter002sco | 1907 | 5/1-9/21 | Newark Newks | Ohio-Pennsylvania League | , | |
| Lloyd Wirick | 1907 | 5/17 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| Lloyd Wirick | 1907 | +5/29+ | Ashland OH | Independent | , | ||
| Pat Wise | wise--001ler | 1907 | Battle Creek Crickets | Southern Michigan League | , | ||
| Doc Wiseman | wisema001jul | 1907 | 4/10-9/14 | Nashville Volunteers | Southern Association | , | |
| Wisley | 1907 | 8/1-8/20 | Reading | Atlantic League | , | ||
| John Wisotzkey | 1907 | Franklin Millionaires | Interstate League | , | |||
| Gus Wisser | wisser001a-- | 1907 | 5/2-8/1 | Oklahoma City Mets | Western Association | , | |
| Gus Wisser | wisser001a-- | 1907 | Colo.- | Independent | , | ||
| Walter Witham | 1907 | 5/14-6/18 | Jackson Convicts | Southern Michigan League | , | ||
| Roy Witherup | wither001fos | 1907 | -9/14 | 16 g. | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , |
| Roy Witherup | wither001fos | 1907 | 7/3 | Trenton Tigers | Tri-State League | , | |
| Harvey Witt | witt--002har | 1907 | preseason | Des Moines Champs | Western League | , | |
| Harvey Witt | witt--002har | 1907 | 7/14-8/23 | Burlington Pathfinders | Iowa League | , | |
| Harvey Witt | witt--002har | 1907 | 9/4 | Kansas City Blues | American Association | , | |
| Wittmer | 1907 | no g. | Jacksonville Lunatics | Iowa League | , | ||
| John Wobbe | 1907 | 5/1-5/ | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Frederick Wohlleben | 1907 | 4/8-9/4 | Macon Brigands | South Atlantic League | , | ||
| Wolf | 1907 | 5/30-6/15 | Brooklyn | Atlantic League | , | ||
| Wolf | 1907 | 7/5-9/8 | Brooklyn | Atlantic League | , | ||
| Wolfe | 1907 | 7 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Wolfe | 1907 | 6/25 | Allentown | Atlantic League | , | ||
| Wolfe | 1907 | 6/20 | Lyons | Empire State League | , | ||
| Wolfe | 1907 | +6/6-6/10+ | Tulsa Oilers | Oklahoma-Arkansas-Kansas League | , | ||
| Barney Wolfe | wolfe-001wil | 1907 | -9/13 | 30 g. | Charleroi | Pennsylvania-Ohio-Maryland League | , |
| Denny Wolfe | 1907 | 5/2 | Butler White Sox | Western Pennsylvania League | , | ||
| Denny Wolfe | 1907 | 5/-6/17 | Umpire | Western Pennsylvania League | , | ||
| Denny Wolfe | 1907 | no g. | Johnstown Johnnies | Tri-State League | , | ||
| Jack Wolfe | 1907 | 5/14-5/22 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Jack Wolfe | 1907 | 5/24-6/9 | Bay City | Southern Michigan League | , | ||
| Jack Wolfe | 1907 | 6/18-7/9 | Jackson Convicts | Southern Michigan League | , | ||
| Jack Wolfe | 1907 | 7/21-9/22 | Tecumseh | Southern Michigan League | , | ||
| Maurice Wolfe | wolfe-001mau | 1907 | 4/24-9/12 | Wilmington Peaches | Tri-State League | , | |
| Orville Wolfe | 1907 | , | |||||
| Roland Wolfe | wolfe-001rol | 1907 | 4/19-5/1 | Des Moines Champs | Western League | , | |
| Roland Wolfe | wolfe-001rol | 1907 | 5/7-9/15 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Thebo Wolfe | 1907 | 21 g. | Terrell Red Stockings | North Texas League | , | ||
| Theobald Wolff | wolff-001the | 1907 | no g. | Fort Worth Panthers | Texas League | , | |
| Theobald Wolff | wolff-001the | 1907 | no g. | Temple Boll Weevils | Texas League | , | |
| Theobald Wolff | wolff-001the | 1907 | Brownwood Tx | Independent | , | ||
| Theobald Wolff | wolff-001the | 1907 | 21 g. | Terrell Red Stockings | North Texas League | , | |
| Wolliford | 1907 | 5/2,+8/15-8/28 | Webb City Goldbugs | Western Association | , | ||
| Harry Wolverton | wolver001har | 1907 | 4/24-9/14 | Williamsport Millionaires | Tri-State League | , | |
| William Wolverton | 1907 | 5/8-9/15 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | ||
| John Womack | womack001har | 1907 | 5/2-9/14 | Coffeyville Glassblowers | Oklahoma-Arkansas-Kansas League | , | |
| Louis Womble | womble001lou | 1907 | Milligan College | College | , | ||
| Louis Womble | womble001lou | 1907 | Joplin Miners | Western Association | , | ||
| Wood | 1907 | 6/24-7/2 | Scottdale Giants | Western Pennsylvania League | , | ||
| Wood | 1907 | 7/11-7/13 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| B. K. Wood | 1907 | 4 g. | Dallas Giants | Texas League | , | ||
| Bob Wood | wood--005rob | 1907 | 5/1-5/29 | Toronto Maple Leafs | Eastern League | , | |
| Bob Wood | wood--005rob | 1907 | 6/13-9/14 | Little Rock Travelers | Southern Association | , | |
| George Wood | wood--004geo | 1907 | Umpire | New England League | , | ||
| Monte Wood | 1907 | 5/12-9/18 | Albany Senators | New York State League | , | ||
| Smoky Joe Wood | wood--001joe | 1907 | 5/4-9/22 | Hutchinson Salt Packers | Western Association | , | |
| Eugene Woodburn | 1907 | 5/9 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Eugene Woodburn | 1907 | 6/15-8/14 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Woodridge | 1907 | 8/4-8/5 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Claude Woodring | 1907 | Jackson Senators | Cotton States League | , | |||
| Claude Woodring | 1907 | 8/4-9/15 | Marshalltown Snappers | Iowa League | , | ||
| Woodruff | 1907 | 5/1- | Connellsville Cokers | Western Pennsylvania League | , | ||
| Guy Woodruff | woodru001guy | 1907 | 4/17-4/22 | Des Moines Champs | Western League | , | |
| Guy Woodruff | woodru001guy | 1907 | 5/3-5/26 | Springfield Babes | Central League | , | |
| Guy Woodruff | woodru001guy | 1907 | 5/30-8/31 | New Castle Nocks | Ohio-Pennsylvania League | , | |
| Johnnie Woodruff | 1907 | 5/1-5/31 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Johnnie Woodruff | 1907 | Canasauque PA | Independent | , | |||
| Sam Woodruff | woodru001orv | 1907 | 4/19-9/15 | Louisville Colonels | American Association | , | |
| Woods | 1907 | 5/20-7/29 | Easton | Atlantic League | , | ||
| Eugene Woods | 1907 | 5/12-5/24 | Syracuse Stars | New York State League | , | ||
| Eugene Woods | 1907 | 5/29-9/7 | Fulton | Empire State League | , | ||
| Eugene Woods | 1907 | +9/20-10/13+ | Buff.-St.Patricks | Independent | , | ||
| Lewis Woods | woods-001lew | 1907 | 5/9 | Oklahoma City Mets | Western Association | , | |
| Lewis Woods | woods-001lew | 1907 | 5/19-6/13+ | Fort Smith Soldiers | Oklahoma-Arkansas-Kansas League | , | |
| Lewis Woods | woods-001lew | 1907 | Webb City Goldbugs | Western Association | , | ||
| Walt Woods | woods-002wal | 1907 | 4/25-9/24 | Jersey City Skeeters | Eastern League | , | |
| Arthur Woodward | 1907 | 6/11-8/5 | Fall River Indians | New England League | , | ||
| Samuel Woodward | 1907 | 22 g. | Mobile Sea Gulls | Cotton States League | , | ||
| George Woodyatt | 1907 | 7/18-7/24 | Madison Senators | Wisconsin State League | , | ||
| George Woodyatt | 1907 | 7/28 | Eau Claire Tigers | Wisconsin State League | , | ||
| Elijah Wooley | wooley001eli | 1907 | 5/2-7/5 | Leavenworth Convicts | Western Association | , | |
| Elijah Wooley | wooley001eli | 1907 | 7/19-8/7 | Topeka White Sox | Western Association | , | |
| Woolford | 1907 | Webb City Goldbugs | Western Association | , | |||
| Ralph Works | works-002ral | 1907 | 59 g. | Medicine Hat Hatters | Western Canada League | , | |
| Harry Wormwood | 1907 | 4/28 | Jersey City Skeeters | Eastern League | , | ||
| Harry Wormwood | 1907 | 5/7-7/31 | Worcester Busters | New England League | , | ||
| Harry Wormwood | 1907 | 8/4-8/28 | Jersey City Skeeters | Eastern League | , | ||
| Worrell | 1907 | +7/4+ | Chester NE | Independent | , | ||
| Waddill Worsham | worsha000wad | 1907 | 19 g. | Greenville Hunters | North Texas League | , | |
| Michael Wotell | wotell001mic | 1907 | 4/24-9/22 | Toronto Maple Leafs | Eastern League | , | |
| John Wratten | wratte001irv | 1907 | 5/1-9/25 | Newark Newks | Ohio-Pennsylvania League | , | |
| Samuel Wray | 1907 | 3 g. | Fort Worth Panthers | Texas League | , | ||
| Samuel Wray | 1907 | 12 g. | Paris Athletics | North Texas League | , | ||
| Frank Wrenn | 1907 | +6/11+ | Wilson | Carolina League | , | ||
| Frank Wrenn | 1907 | 9/14-9/20 | Norfolk Tars | Virginia League | , | ||
| Forrest Wright | wright001for | 1907 | 4/24-5/28 | Denver Grizzlies | Western League | , | |
| Forrest Wright | wright001for | 1907 | 6/29-7/11 | Charleston Sea Gulls | South Atlantic League | , | |
| Gene Wright | wright001cla | 1907 | 17 g. | Spokane Indians | Northwestern League | , | |
| Lucky Wright | wright007wil | 1907 | 10 ab | Fort Worth Panthers | Texas League | , | |
| Lucky Wright | wright007wil | 1907 | 1 g. | Greenville Hunters | North Texas League | , | |
| Lucky Wright | wright007wil | 1907 | Denton TX | Independent | , | ||
| Lucky Wright | wright007wil | 1907 | Ardmore OK | Independent | , | ||
| Lucky Wright | wright015wil | 1907 | 4/6- | 68 g. | Oakland Oaks | Pacific Coast League | , |
| Red Wright | wright001jos | 1907 | 4/11-6/30 | Columbus Discoverers | Cotton States League | , | |
| Red Wright | wright001jos | 1907 | +7/1-7/28+ | 44 g. | Webb City Goldbugs | Western Association | , |
| Robert Wright | wright008rob | 1907 | 85 g. | Houston Buffaloes | Texas League | , | |
| Robert Wright | wright008rob | 1907 | Temple Boll Weevils | Texas League | , | ||
| S. J. Wright | 1907 | 4/19-6/17 | Louisville Colonels | American Association | , | ||
| S. J. Wright | 1907 | +7/25-9/8+ | Dayton Veterans | Central League | , | ||
| Samuel Wright | 1907 | Youngstown Champs | Ohio-Pennsylvania League | , | |||
| Samuel Wright | 1907 | Topeka White Sox | Western Association | , | |||
| Zeke Wrigley | wrigle001zek | 1907 | 4/17-9/15 | Columbus Senators | American Association | , | |
| William Wynne | wynne-001wil | 1907 | 4/18-4/26 | Norfolk Tars | Virginia League | , | |
| William Wynne | wynne-001wil | 1907 | 5/20-8/10 | Sumter Gamecocks | South Carolina League | , | |
| William Wynne | wynne-001wil | 1907 | 8/14-9/18 | Lynchburg Shoemakers | Virginia League | , | |
| Ad Yale | yale--001wil | 1907 | 91 g. | Springfield Ponies | Connecticut State League | , | |
| Hogan Yancey | yancey001hog | 1907 | 5/9-9/20 | Scranton Miners | New York State League | , | |
| Roscoe Yant | 1907 | 5/7-9/2 | Keokuk Indians | Iowa League | , | ||
| George Yantz | 1907 | +7/28+ | Loui.-Fetters | Independent | , | ||
| George Yantz | 1907 | 8/14-9/15 | Grand Rapids Wolverines | Central League | , | ||
| Louis Yarger | 1907 | 5/1-5/22 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Louis Yarger | 1907 | 5/28-6/15 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| J. William Yarnell | 1907 | 5/11-9/21 | Mansfield Pioneers | Ohio-Pennsylvania League | , | ||
| Yates | 1907 | +5/30-6/7+ | Montgomery Senators | Southern Association | , | ||
| Yates | 1907 | 4/24-5/1 | Williamsport Millionaires | Tri-State League | , | ||
| Yates | 1907 | 5/3-5/4 | Johnstown Johnnies | Tri-State League | , | ||
| Yates | 1907 | 5/30-6/7 | Montgomery Senators | Southern Association | , | ||
| Yates | 1907 | Univ. Illinois | College | , | |||
| Bob Yates | 1907 | NIagara Univ. | College | , | |||
| Bob Yates | 1907 | 6/19-6/28 | Wilmington Peaches | Tri-State League | , | ||
| Bob Yates | 1907 | 7/12-7/16 | Williamsport Millionaires | Tri-State League | , | ||
| Bob Yates | 1907 | +8/23+ | 15 g. | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Charles Yeager | yeager001cha | 1907 | 5/7-9/15 | Keokuk Indians | Iowa League | , | |
| George Yeager | yeager001geo | 1907 | 4/17-9/11 | Des Moines Champs | Western League | , | |
| Joe Yeager | yeager002jos | 1907 | 123 g. | St. Louis | American League | St. Louis, MO | |
| Joseph Yeager | 1907 | 5/12-9/27 | Charleston Broom Corn Cutters | Eastern Illinois League | , | ||
| Armidas Yelle | 1907 | +4/29+ | Sagi.-Elks | Independent | , | ||
| George Yentzen | 1907 | preseason | Alexandria White Sox | Gulf Coast League | , | ||
| George Yentzen | 1907 | Donaldsonville LA | Independent | , | |||
| George Yentzen | 1907 | +6/21+ | Lafayette Browns | Gulf Coast League | , | ||
| Yerkes | 1907 | 8/6 | Newark | Atlantic League | , | ||
| A. W. Yerkes | 1907 | 5/8-5/10 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Claude Yerkes | 1907 | +6/1+ | Stroudsburg | Blue Mountain League | , | ||
| David Yerkes | 1907 | no g. | Harrisburg Senators | Tri-State League | , | ||
| David Yerkes | 1907 | Franklin Millionaires | Interstate League | , | |||
| David Yerkes | 1907 | 5/17-5/20 | Easton | Atlantic League | , | ||
| David Yerkes | 1907 | +7/12+ | Olean Refiners | Interstate League | , | ||
| David Yerkes | 1907 | DuBois Miners | Interstate League | , | |||
| David Yerkes | 1907 | 8/12-9/2 | Easton | Atlantic League | , | ||
| Stan Yerkes | yerkes001sta | 1907 | 14 g. | Waterbury Authors | Connecticut State League | , | |
| Stan Yerkes | yerkes001sta | 1907 | 7/2-9/12 | Nashville Volunteers | Southern Association | , | |
| Steve Yerkes | yerkes001ste | 1907 | +6/1+ | Stroudsburg | Blue Mountain League | , | |
| Steve Yerkes | yerkes001ste | 1907 | 7/1-8/22+ | Millville | Southern New Jersey | , | |
| William Yerkes | 1907 | 7/1-8/22+ | Millville | Southern New Jersey | , | ||
| Arthur Yessler | 1907 | Maquoketa IA | Independent | , | |||
| Arthur Yessler | 1907 | 8/13-8/19 | Pana Coal Miners | Eastern Illinois League | , | ||
| Earl Yingling | 1907 | 4/27-9/13 | Dayton Veterans | Central League | , | ||
| John Yoedt | 1907 | 34 g. | Punxsutawney Policemen | Interstate League | , | ||
| John Yoedt | 1907 | 8/7-8/28 | Sharon Giants | Ohio-Pennsylvania League | , | ||
| John Yoedt | 1907 | 9/4-9/26 | New Castle Nocks | Ohio-Pennsylvania League | , | ||
| William Yohe | yohe--002wil | 1907 | 57 g. | Greenville Hunters | North Texas League | , | |
| Yont | 1907 | San Jose Prune Pickers | California State League | , | |||
| Yont | 1907 | 9/10-9/15 | Lincoln Treeplanters | Western League | , | ||
| Yost | 1907 | 1 g. | Greenville Hunters | North Texas League | , | ||
| Young | 1907 | 5/1-5/3 | Latrobe Rooters/Cumberland Infants/Piedmont/Somers | Western Pennsylvania League | , | ||
| Young | 1907 | 5/1-5/7+ | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Young | 1907 | 8/1 | La Crosse Badgers | Wisconsin State League | , | ||
| Young | 1907 | Oswego | Empire State League | , | |||
| Ben Young | 1907 | Trolley League | , | ||||
| Ben Young | 1907 | Taylorville Tailors | Eastern Illinois League | , | |||
| Benjamin Young | 1907 | Univ. Kansas | College | , | |||
| Charles Young | 1907 | 5/12-5/31 | Newark | Atlantic League | , | ||
| Charles Young | 1907 | 6/17-6/29 | Worcester Busters | New England League | , | ||
| Cy Young | 1907 | 16 g. | Paris Athletics | North Texas League | , | ||
| Harlan Young | young-001har | 1907 | 5/2-9/18 | Wichita Jobbers | Western Association | , | |
| Irv Young | young-001irv | 1907 | 40 g. | Boston | National League | Boston, MA | |
| T. Young | 1907 | 1 g. | Paris Athletics | North Texas League | , | ||
| Herbert Yount | yount-001hen | 1907 | +5/1- | Meridian Ribboners | Cotton States League | , | |
| Herbert Yount | yount-001hen | 1907 | 5/4 | Jackson Senators | Cotton States League | , | |
| Herbert Yount | yount-001hen | 1907 | 8/2-9/18 | Vicksburg Hill Billies | Cotton States League | , | |
| John Youst | youst-001--- | 1907 | +5/16+ | Meridian Ribboners | Cotton States League | , | |
| Elmer Zacher | zacher001elm | 1907 | 4/26-9/22 | Newark Sailors | Eastern League | , | |
| Zackert | 1907 | 7/11-8/21 | Hutchinson Salt Packers | Western Association | , | ||
| George Zackert | 1907 | 4/22-8/8 | Lincoln Treeplanters | Western League | , | ||
| George Zackert | 1907 | 8/11-9/3 | Waterloo Cubs | Iowa League | , | ||
| George Zackert | 1907 | 9/7-9/14 | Lincoln Treeplanters | Western League | , | ||
| Jack Zalusky | zalusk001joh | 1907 | 4/17-6/13 | Denver Grizzlies | Western League | , | |
| Jack Zalusky | zalusk001joh | 1907 | 7/23-9/15 | Denver Grizzlies | Western League | , | |
| Harry Zanelli | 1907 | WashDC-Business | High School | , | |||
| Dave Zearfoss | zearfo001dav | 1907 | 82 g. | Franklin Millionaires | Interstate League | , | |
| Louis Zehner | zehner001lou | 1907 | 8/28 | Nashville Volunteers | Southern Association | , | |
| Rollie Zeider | zeider001rol | 1907 | 5/16-7/27 | Winnipeg Maroons | Northern-Copper Country League | , | |
| Rollie Zeider | zeider001rol | 1907 | 52 g. | San Francisco Seals | Pacific Coast League | , | |
| Gus Zeimer | zeimer001gus | 1907 | 5/9-9/3 | Scranton Miners | New York State League | , | |
| Peter Zeller | zeller001pet | 1907 | 4/10-9/12 | Atlanta Crackers | Southern Association | , | |
| John Ziegler | ziegle001joh | 1907 | 7 g. | Olean Refiners | Interstate League | , | |
| John Ziegler | ziegle001joh | 1907 | 6/27-7/15 | Reading | Atlantic League | , | |
| John Ziegler | ziegle001joh | 1907 | 7/20-9/20 | Wilkes-Barre Barons | New York State League | , | |
| Charles Zimmer | zimmer001cha | 1907 | 4/10-7/13 | Umpire | Southern Association | , | |
| Eddie Zimmerman | zimmer001edw | 1907 | 4/24-9/14 | Harrisburg Senators | Tri-State League | , | |
| Heinie Zimmerman | zimmer002hen | 1907 | 5/9-8/26 | Wilkes-Barre Barons | New York State League | , | |
| Heinie Zimmerman | zimmer002hen | 1907 | Chicago | National League | Chicago, IL | ||
| Bill Zink | zink--001wil | 1907 | 5/2-9/22 | Hutchinson Salt Packers | Western Association | , | |
| Frank Zinn | 1907 | no g. | Clarksburg Bees | Western Pennsylvania League | , | ||
| Frank Zinn | 1907 | 6/30-8/14 | Connellsville Cokers | Western Pennsylvania League | , | ||
| Guy Zinn | 1907 | 5/2-5/16 | Clarksburg Bees | Western Pennsylvania League | , | ||
| Eddie Zinram | zinram001edw | 1907 | 4/19-9/15 | Lincoln Treeplanters | Western League | , | |
| Charles Zinzer | zinzer001cha | 1907 | 5/9-5/25 | Wilkes-Barre Barons | New York State League | , | |
| Charles Zinzer | zinzer001cha | 1907 | 6/7-9/21 | Syracuse Stars | New York State League | , | |
| Harry Zollers | zoelle001har | 1907 | 5/8 | Newark | Atlantic League | , | |
| Harry Zollers | zoelle001har | 1907 | 84 g. | Bradford Drillers | Interstate League | , | |
| Earl Zook | zook--001ear | 1907 | 5/9-7/23 | Wausau Lumberjacks | Wisconsin State League | , | |
| Earl Zook | zook--001ear | 1907 | 8/3-9/22 | Fond du Lac Webfoots | Wisconsin State League | , | |
| August Zurlage | zurlag001a-- | 1907 | 93 g. | Medicine Hat Hatters | Western Canada League | , | |
| John Zwicker | 1907 | Washington State | , | ||||
| John Zwicker | 1907 | 7/14- | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| John Zwicker | 1907 | 8/23-8/24 | Keokuk Indians | Iowa League | , |