exactmatch =
Year =
League =
Club = B
There are 2560 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Ody Abbott | abbott001ody | 1906 | 8/6-9/8 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Bill Abstein | abstei001wil | 1906 | 4/17-9/15 | Shreveport Pirates | Southern Association | , | |
| Bill Abstein | abstei001wil | 1906 | 9/25- | 8 g. | Pittsburgh | National League | Pittsburgh, PA |
| Babe Adams | adams-003cha | 1906 | 4/18 | St. Louis | National League | St. Louis, MO | |
| Babe Adams | adams-003cha | 1906 | 5/21-6/4 | Louisville Colonels | American Association | , | |
| Babe Adams | adams-003cha | 1906 | 6/18-8/27 | Denver Grizzlies | Western League | , | |
| George Adams | 1906 | 4/28-7/22 | Butte Miners | Northwestern League | , | ||
| Milton Adams | adams-001cly | 1906 | DuBois Miners | Interstate League | , | ||
| Merle Adkins | adkins001mer | 1906 | 4/28-9/21 | Baltimore Orioles | Eastern League | , | |
| Joe Agan | agan--001jos | 1906 | 5/4-5/10 | Coffeyville Bricks | Kansas State League | , | |
| Frank Aiken | aiken-001fra | 1906 | 11 g. | Green Bay Colts | Wisconsin State League | , | |
| Abe Akers | akers-001abe | 1906 | no g. | Macon Brigands | South Atlantic League | , | |
| Bobby Alberts | albert002rob | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Bobby Alberts | albert002rob | 1906 | Fort Dodge Gypsumites | Iowa League | , | ||
| Charles Alberts | 1906 | 7/30-9/17 | Springfield Babes | Central League | , | ||
| Cy Alberts | albert001fre | 1906 | 4/29-9/24 | Springfield Babes | Central League | , | |
| Gus Alberts | albert001gus | 1906 | Bartlesville Indians | Kansas State League | , | ||
| John Alcock | alcock001joh | 1906 | 4/18-5/23 | Birmingham Barons | Southern Association | , | |
| John Alcock | alcock001joh | 1906 | 6/18-8/11 | Birmingham Barons | Southern Association | , | |
| Dallas Alderman | alderm001dal | 1906 | 5/14 | South Bend Greens | Central League | , | |
| Bill Alexander | alexan005wil | 1906 | 92 g. | San Antonio Bronchos | South Texas League | , | |
| Bill Alexander | alexan005wil | 1906 | Austin Senators | South Texas League | , | ||
| Simon Alford | 1906 | 6/29-9/9 | Chanute Browns | Kansas State League | , | ||
| Allen | 1906 | 6/11-6/12 | Chanute Browns | Kansas State League | , | ||
| A. N. Allen | 1906 | Chanute Browns | Kansas State League | , | |||
| Charles Allen | 1906 | 5/24-5/26 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Allison | 1906 | +8/26+ | Bowling Green KY | Independent | , | ||
| Whitey Alpermann | alperm001cha | 1906 | 4/13- | 128 g. | Brooklyn | National League | Brooklyn, NY |
| Goat Anderson | anders003edw | 1906 | 4/26-9/23 | South Bend Greens | Central League | , | |
| George Andreas | andrea002geo | 1906 | 4/18-5/7 | Milwaukee Brewers | American Association | , | |
| Andrews | 1906 | +8/25+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Bill Annis | annis-001wil | 1906 | 125 g. | Burlington Pathfinders | Iowa League | , | |
| Albert Anthony | anthon001alb | 1906 | Rich.-Brownies | Independent | , | ||
| Cleveland Arbogast | arboga001cle | 1906 | 5/5-6/22 | Temple Boll Weevils | Texas League | , | |
| Charlie Armbruster | armbru001cha | 1906 | 72 g. | Boston | American League | Boston, MA | |
| Bill Armour | armour001wil | 1906 | Detroit | American League | Detroit, MI | ||
| Antonio Armstrong | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Antonio Armstrong | 1906 | 6/16-6/28 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Howard Armstrong | 1906 | 20 g. | Burlington Pathfinders | Iowa League | , | ||
| James Asher | asher-001edw | 1906 | 5/29-7/18 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| James Ashmore | ashmor001j-- | 1906 | +7/2-8/23+ | Montpelier-Barre | Northern Independent | , | |
| Tom Asmussen | asmuss001tho | 1906 | Springfield Babes | Central League | , | ||
| Bill Austin | austin001wil | 1906 | 4/28-9/8 | New Bedford Whalers | New England League | , | |
| Charlie Babb | babb--001cha | 1906 | 4/12-9/15 | Memphis Egyptians | Southern Association | , | |
| Charlie Babb | babb--001cha | 1906 | 9/20 | South Bend Greens | Central League | , | |
| George Babbitt | babbit002geo | 1906 | 5/16-6/17 | Tacoma Tigers | Northwestern League | , | |
| S. I. Babcock | 1906 | +5/13+ | Chic.-SouthSide | Chicago City League | , | ||
| S. I. Babcock | 1906 | 6/28-8/12 | Coffeyville Bricks | Kansas State League | , | ||
| Bache | 1906 | 6/29 | Muskogee Indians | South Central League | , | ||
| Alex Backof | backof001ale | 1906 | 4/26- | 149 g. | Grand Rapids Wolverines | Central League | , |
| George Backus | backus001mel | 1906 | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | ||
| George Backus | backus001mel | 1906 | 31 g. | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | |
| Mat Bacom | bascom001m-- | 1906 | +5/10+ | 9 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , |
| Mat Bacom | bascom001m-- | 1906 | Monmouth IL | Independent | , | ||
| Mat Bacom | bascom001m-- | 1906 | Kewanee IL | Independent | , | ||
| Bacon | 1906 | +5/31-6/2+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Bacon | 1906 | Sacramento Cordovas | California League | , | |||
| Frederick Badel | badel-001fre | 1906 | 4/26-7/5 | Buffalo Bisons | Eastern League | , | |
| Frederick Badel | badel-001fre | 1906 | 7/11-9/16 | Johnstown Johnnies | Tri-State League | , | |
| Art Bader | bader-001art | 1906 | 6/18- | 104 g. | Pueblo Indians | Western League | , |
| Oliver Badgley | 1906 | Trinity College | College | , | |||
| Oliver Badgley | 1906 | 6/13-9/8 | Hartford Senators | Connecticut State League | , | ||
| Will Baer | baer--001wil | 1906 | Hibbing MN | Independent | , | ||
| Charles Baerwald | baerwa001cha | 1906 | 4/28-7/20 | Holyoke Paperweights | Connecticut State League | , | |
| Charles Baerwald | baerwa001cha | 1906 | 9/6-10/1 | Sioux City Packers | Western League | , | |
| Rudy Baerwald | baerwa001rud | 1906 | 5/4-9/21 | Joplin Miners | Western Association | , | |
| Jesse Baggett | 1906 | Wash.- | Marquette | , | |||
| Jesse Baggett | 1906 | 7/24-7/28 | Cumberland Rooters | Pennsylvania-Ohio-Maryland League | , | ||
| Jack Bagley | bagley001joh | 1906 | 4/26-6/12 | Holyoke Paperweights | Connecticut State League | , | |
| Jack Bagley | bagley001joh | 1906 | +7/2-8/2+ | Rutland | Northern Independent League | , | |
| Emory Bagwell | bagwel001eme | 1906 | 4/17-4/30 | Macon Brigands | South Atlantic League | , | |
| Emory Bagwell | bagwel001eme | 1906 | 5/25-6/28+ | Valdosta Stars | Georgia State League | , | |
| Bailey | 1906 | 30 g. | Oklahoma City Mets | Western Association | , | ||
| Bailey | 1906 | +6/7+ | Fargo | Northern-Copper Country League | , | ||
| Bailey | 1906 | Wofford? | College | , | |||
| Bailey | 1906 | 6/11-7/21 | Darlington | South Carolina League | , | ||
| Arch Bailey | 1906 | +7/19-8/11+ | Umpire | Texas League | , | ||
| Bill Bailey | bailey003wil | 1906 | 28 g. | Beaumont Oilers | South Texas League | , | |
| Bill Bailey | bailey003wil | 1906 | Crowley LA | Independent | , | ||
| Bill Bailey | bailey003wil | 1906 | Austin Senators | South Texas League | , | ||
| Harry Bailey | 1906 | 4/28-6/21 | Mansfield Giants | Ohio-Pennsylvania League | , | ||
| Harry Bailey | 1906 | 7/5-9/25 | Newark Cotton Tops | Ohio-Pennsylvania League | , | ||
| Harvey Bailey | bailey003har | 1906 | 5/1-9/25 | Mansfield Giants | Ohio-Pennsylvania League | , | |
| Murphy Bailey | bailey001mur | 1906 | 5/24-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Russell Bailey | 1906 | 112 g. | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | ||
| Spide Bailey | 1906 | Kansas University | College | , | |||
| Spide Bailey | 1906 | Oklahoma City Mets | Western Association | , | |||
| Baird | 1906 | 8/13 | Waynesburg | Pennsylvania-Ohio-Maryland League | , | ||
| Charles Baird | 1906 | Marquette KS | Independent | , | |||
| Harry Baird | 1906 | Marquette KS | Independent | , | |||
| James Baird | baird-001jam | 1906 | 114 g. | Jackson Senators | Cotton States League | , | |
| Ernie Baker | baker-002ear | 1906 | 5/7-5/23 | Sioux City Packers | Western League | , | |
| Ernie Baker | baker-002ear | 1906 | 6/6-8/28 | Jacksonville Jays | South Atlantic League | , | |
| Home Run Baker | baker-004joh | 1906 | Balt.-SparrowsPt | Independent | , | ||
| Howard Baker | baker-003how | 1906 | 4/30-6/23 | Waterbury Authors | Connecticut State League | , | |
| Howard Baker | baker-003how | 1906 | 6/29-9/3 | Holyoke Paperweights | Connecticut State League | , | |
| Jesse Baker | 1906 | Toronto Maple Leafs | Eastern League | , | |||
| John Baker | baker-001joh | 1906 | 5/6-9/11 | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | |
| Louis Baker | baker-001lou | 1906 | 118 g. | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | |
| Roy Baker | baker-003roy | 1906 | 4/28-8/2 | Grays Harbor Lumbermen | Northwestern League | , | |
| Clarence Bakule | 1906 | 6/26-7/20 | Shawnee Blues | South Central League | , | ||
| Orson Baldwin | baldwi001ors | 1906 | 12 g. | Sharon Steels | Ohio-Pennsylvania League | , | |
| Monte Bales | 1906 | 7 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Ball | 1906 | 6/23-8/25 | Ottawa | Northern Independent League | , | ||
| Harry Ball | ball--003har | 1906 | 4/26-9/8 | Norwich Reds | Connecticut State League | , | |
| Jim Ball | ball--002jam | 1906 | +5/15-5/29+ | Montpelier Seminary | College | , | |
| Neal Ball | ball--001cor | 1906 | 5/3-9/16 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Jim Ballantyne | ballen001jam | 1906 | 5/26-6/8 | Savannah Indians | South Atlantic League | , | |
| L. E. Ballew | ballew001l-- | 1906 | 6/16-6/19 | Temple Boll Weevils | Texas League | , | |
| George Balliett | ballie001geo | 1906 | 5/3-5/28 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| George Balliett | ballie001geo | 1906 | 6/19-9/3 | Lake Linden Sandy Cities | Northern-Copper Country League | , | |
| George Balliett | ballie001geo | 1906 | 9/9-9/16 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| G. H. Ballinger | 1906 | Battle Creek Crickets | Southern Michigan League | , | |||
| John Bambrough | 1906 | 10 g. | Meridian Ribboners | Cotton States League | , | ||
| Joseph Bammert | bammer001joh | 1906 | 4/16-4/26 | Charleston Sea Gulls | South Atlantic League | , | |
| Joseph Bammert | bammer001joh | 1906 | 5/1-9/3 | Macon Brigands | South Atlantic League | , | |
| Alex Bandelin | bandel001ale | 1906 | 10 g. | Wausau Lumberjacks | Wisconsin State League | , | |
| Oscar Bandelin | bandel002osc | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| Robert Bandy | 1906 | 4/28-7/14 | Fort Smith Razorbacks | South Central League | , | ||
| Cecil Bankhead | bankhe001cec | 1906 | 5/4-6/27 | Wichita Jobbers | Western Association | , | |
| Cecil Bankhead | bankhe001cec | 1906 | 6/30-8/9,9/21 | Joplin Miners | Western Association | , | |
| Alexander Bannister | 1906 | Seneca Falls | Empire State League | , | |||
| Alexander Bannister | 1906 | Auburn | Empire State League | , | |||
| Bill Bannon | bannon001wil | 1906 | , | ||||
| George Bannon | bannon001geo | 1906 | 4/26-8/18 | Montreal Royals | Eastern League | , | |
| George Bannon | bannon001geo | 1906 | 8/31-9/21 | Toronto Maple Leafs | Eastern League | , | |
| Jimmy Bannon | bannon001jam | 1906 | 4/26-8/16 | Montreal Royals | Eastern League | , | |
| Jimmy Bannon | bannon001jam | 1906 | 8/24-9/22 | Rochester Bronchos | Eastern League | , | |
| Tom Bannon | bannon001tho | 1906 | 4/27-9/8 | Lynn Shoemakers | New England League | , | |
| Tom Bannon | 1906 | 4/28-5/6 | Umpire | Ohio-Pennsylvania League | , | ||
| Alexander Bannwart | 1906 | 7/7-9/6 | Lowell Tigers | New England League | , | ||
| Ernie Bantz | bantz-001e-- | 1906 | Fort Dodge Gypsumites | Iowa League | , | ||
| William Barbeau | barbea001wil | 1906 | 42 g. | Cleveland | American League | Cleveland, OH | |
| Billy Barber | barber001wil | 1906 | 5/3-5/8+ | Saginaw | Interstate Association | , | |
| Billy Barber | barber001wil | 1906 | +8/8+ | Flint MI | Independent | , | |
| Billy Barber | barber001wil | 1906 | +9/7-9/23 | Battle Creek Crickets | Southern Michigan League | , | |
| Dave Barber | barber001dav | 1906 | 4/27-7/31 | Johnstown Johnnies | Tri-State League | , | |
| Dave Barber | barber001dav | 1906 | 8/11-8/29 | Utica Pent-Ups | New York State League | , | |
| E. H. Barber | 1906 | +5/26-7/4 | Valdosta Stars | Georgia State League | , | ||
| E. H. Barber | 1906 | 7/24-8/10 | Manning | South Carolina League | , | ||
| E. H. Barber | 1906 | 8/15 | Darlington | South Carolina League | , | ||
| Frank Barber | barber001fra | 1906 | 5/2 | Montreal Royals | Eastern League | , | |
| Frank Barberich | barber003fra | 1906 | 5/1-9/8 | Lawrence Colts | New England League | , | |
| Barbour | 1906 | 6/6 | Hartford Senators | Connecticut State League | , | ||
| Louis Barbour | barbou001lou | 1906 | 138 g. | Vincennes Alices | Kentucky-Illinois-Tennessee League | , | |
| George Barclay | barcla001geo | 1906 | 5/1-7/25 | Rochester Bronchos | Eastern League | , | |
| George Barclay | barcla001geo | 1906 | 9/3-9/8 | Lynn Shoemakers | New England League | , | |
| John Bare | bare--001joh | 1906 | 4/29-9/3 | Butte Miners | Northwestern League | , | |
| Barfield | 1906 | Florence SC | Independent | , | |||
| Barfield | 1906 | 7/10 | Darlington | South Carolina League | , | ||
| Cy Barger | barger001ero | 1906 | 4/26-8/23 | Lancaster Red Roses | Tri-State League | , | |
| Cy Barger | barger001ero | 1906 | 8/30- | 2 g. | New York | American League | New York, NY |
| Cy Barger | barger001ero | 1906 | 9/8-9/22 | Montreal Royals | Eastern League | , | |
| Harry Barker | barker001har | 1906 | 5/12-9/15 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| G. Barksdale | 1906-07 | Clemson College | College | , | |||
| G. Barksdale | 1906 | 6/11-7/13 | Sumter Game Cocks | South Carolina League | , | ||
| Miles Barlow | barlow001mil | 1906 | 121 g. | Freeport Pretzels | Wisconsin State League | , | |
| Harry Barndollar | barndo001har | 1906 | 5/12- 8/12 | Coffeyville Bricks | Kansas State League | , | |
| Harry Barndollar | barndo001har | 1906 | +8/20-9/9 | Independence Coyotes | Kansas State League | , | |
| Barnes | 1906 | Plattsburgh | Northern Independent League | , | |||
| D. N. Barnes | 1906 | 5/5 | Americus Pallbearers | Georgia State League | , | ||
| Jack Barnett | barnet003joh | 1906 | 6/3-7/5 | Albany Senators | New York State League | , | |
| Jack Barnett | barnet003joh | 1906 | 9/2-9/22 | Wilkes-Barre Barons | New York State League | , | |
| Jack Barnett | burnet005joh | 1906 | 4/28-9/3 | Tacoma Tigers | Northwestern League | , | |
| Michael Barney | 1906 | +6/28-7/7+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Michael Barney | 1906 | +7/21-9/23 | Jackson Convicts | Southern Michigan League | , | ||
| Charles Barngrover | 1906 | Rainier Brewing | Independent | , | |||
| Charles Barngrover | 1906 | Ellinwood KS | Independent | , | |||
| Lawrence Barr | 1906 | Bell KS | Independent | , | |||
| Lawrence Barr | 1906 | 5/5-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Barrett | 1906 | 7/31 | Waco Navigators | Texas League | , | ||
| Charley Barrett | barret002cha | 1906 | Beaumont Oilers | South Texas League | , | ||
| Jimmy Barrett | barret003jam | 1906 | 5 g. | Cincinnati | National League | Cincinnati, OH | |
| Jimmy Barrett | barret003jam | 1906 | 5/22-6/11 | Dayton Veterans | Central League | , | |
| Jimmy Barrett | barret003jam | 1906 | 7/11-9/22 | Rochester Bronchos | Eastern League | , | |
| John Barrett | 1906 | 8/30-9/8 | Lowell Tigers | New England League | , | ||
| Ed Barrow | barrow001edw | 1906 | 4/26-9/23 | Toronto Maple Leafs | Eastern League | , | |
| Charles Barry | 1906 | 5/7-5/22 | Waco Navigators | Texas League | , | ||
| Charles Barry | 1906 | +5/26-7/20 | Guthrie Senators | South Central League | , | ||
| Charles Barry | 1906 | 7/25-8/7 | Fort Smith Razorbacks | South Central League | , | ||
| David Barry | barry-001dav | 1906 | Paterson Intruders | Hudson River League | , | ||
| Ed Barry | barry-001edw | 1906 | 5/19-9/3 | Houghton Giants | Northern-Copper Country League | , | |
| Ed Barry | barry-001edw | 1906 | 3 g. | Boston | American League | Boston, MA | |
| Jack Barry | barry-006joh | 1906-07 | Holy Cross | College | , | ||
| John Barry | barry-002joh | 1906 | Cincinnati | National League | Cincinnati, OH | ||
| John Barry | barry-002joh | 1906 | St. Louis | National League | St. Louis, MO | ||
| Lawrence Barry | 1906 | Geneva | Empire State League | , | |||
| Thomas Barry | barry-002tom | 1906 | Notre Dame U. | College | , | ||
| Tom Barry | barry-001tho | 1906 | no g. | Indianapolis Indians | American Association | , | |
| John Barthold | bartho001joh | 1906 | Phila.-semi-pro | Semi-professional | , | ||
| Bert Bartholomew | 1906 | 4/28-7/4+ | Fort Smith Razorbacks | South Central League | , | ||
| Charles Bartiff | 1906 | +6/27-8/28+ | Coffeyville Bricks | Kansas State League | , | ||
| Bill Bartley | bartle001wil | 1906 | 3 g. | Philadelphia | American League | Philadelphia, PA | |
| Henry Bartley | bartle001h-- | 1906 | 5/6-6/3 | Pittsburg/Vinita Champs | Kansas State League | , | |
| Henry Bartley | bartle001h-- | 1906 | 6/4-7/4 | Pittsburg/Vinita Champs | Kansas State League | , | |
| Henry Bartley | bartle001h-- | 1906 | 7/6 | Webb City Goldbugs | Western Association | , | |
| Henry Bartley | bartle001h-- | 1906 | 7/8 | Leavenworth Old Soldiers | Western Association | , | |
| Henry Bartley | bartle001h-- | 1906 | 7/19-9/3+ | Bartlesville Indians | Kansas State League | , | |
| John Bartley | bartle001joh | 1906 | 55 g. | Vincennes Alices | Kentucky-Illinois-Tennessee League | , | |
| John Bartley | bartle001joh | 1906 | Mattoon-Charleston Canaries | Kentucky-Illinois-Tennessee League | , | ||
| Charles Bartliff | 1906 | +6/27-8/28+ | Coffeyville Bricks | Kansas State League | , | ||
| George Barto | barto-001geo | 1906 | 5/19-9/3 | Duluth White Sox | Northern-Copper Country League | , | |
| Harry Barton | barton001har | 1906 | 4/26-9/22 | Providence Grays | Eastern League | , | |
| James Barton | barton001jam | 1906 | 5/4- | 113 g. | Lincoln Ducklings | Western League | , |
| Bartwell | 1906 | +5/22+ | Marietta OH | Independent | , | ||
| Bartwell | 1906 | 5/28-5/30 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Bashore | 1906 | OK-Altus | Independent | , | |||
| Jimmy Bass | bass--001jam | 1906 | 5/1-5/21 | Roanoke Tigers | Virginia League | , | |
| Jimmy Bass | bass--001jam | 1906 | 6/26-7/7 | Manning | South Carolina League | , | |
| Jimmy Bass | bass--001jam | 1906 | Umpire | South Carolina League | , | ||
| John Bassey | bassey001joh | 1906 | 5/2- | 149 g. | Omaha Rourkes | Western League | , |
| Ward Bastian | bastia001war | 1906 | Kane Mountaineers | Interstate League | , | ||
| Fred Bateman | batema001fre | 1906 | 5/3- | Bay City | Interstate Association | , | |
| Fred Bateman | batema001fre | 1906 | 7/13-9/8 | Roanoke Tigers | Virginia League | , | |
| Quait Bateman | batema002h-- | 1906 | 4/18-9/16 | Milwaukee Brewers | American Association | , | |
| Bates | 1906 | +5/19+ | Muskogee Indians | South Central League | , | ||
| George Bates | bates-001geo | 1906 | 4/28-5/21 | Newark Cotton Tops | Ohio-Pennsylvania League | , | |
| George Bates | bates-001geo | 1906 | 8/8-9/28 | Sharon Steels | Ohio-Pennsylvania League | , | |
| James Bates | bates-001jam | 1906 | Muskogee Indians | South Central League | , | ||
| John/Jim Bates | 1906 | Nebraska Indians | Independent | , | |||
| John/Jim Bates | 1906 | 4/28-7/10 | Sharon Steels | Ohio-Pennsylvania League | , | ||
| John/Jim Bates | 1906 | 7/15 | Youngstown Ohio Works | Ohio-Pennsylvania League | , | ||
| John/Jim Bates | 1906 | 7/17-9/29 | Umpire | Ohio-Pennsylvania League | , | ||
| Johnny Bates | bates-002joh | 1906 | 4/12- | 140 g. | Boston | National League | Boston, MA |
| Roy Bates | bates-001roy | 1906 | Muskogee Indians | South Central League | , | ||
| Edward Bauer | bauer-001edw | 1906 | 15 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Edward Bauer | bauer-001edw | 1906 | Danville Old Soldiers | Kentucky-Illinois-Tennessee League | , | ||
| Jacob Bauer | bauer-001jac | 1906 | 5/2-6/3 | Sioux City Packers | Western League | , | |
| Jacob Bauer | bauer-001jac | 1906 | Lexington KY | Independent | , | ||
| Jacob Bauer | bauer-001jac | 1906 | 66 g. | Ottumwa Champs | Iowa League | , | |
| Charles Baum | baum--002cha | 1906 | Los Angeles Angels | Pacific Coast League | , | ||
| Charles Baum | baum--002cha | 1906 | 5/12-9/15 | Altoona Mountaineers | Tri-State League | , | |
| Manfred Baum | 1906 | Gainesville TX | Independent | , | |||
| Charles Baumgartner | 1906 | 4/25-4/28 | Greenville Hunters | Texas League | , | ||
| Don Baumhart | 1906 | +5/3+ | Hutchinson KS | Independent | , | ||
| Don Baumhart | 1906 | +4/27-5/25+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Don Baumhart | 1906 | Ellinwood KS | Independent | , | |||
| Don Baumhart | 1906 | +9/6+ | Mt. Hope KS | Independent | , | ||
| Don Baumhart | 1906 | 9/14 | St. Joseph Packers/Hutchinson Salt Packers | Western Association | , | ||
| Moose Baxter | baxter001joh | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| Will Baxter | 1906 | Yazoo City | , | ||||
| Bayard | 1906 | 5/31-6/30 | Waco Navigators | Texas League | , | ||
| Dick Bayless | bayles001har | 1906 | 5/4-9/23 | Joplin Miners | Western Association | , | |
| Harry Bayliss | 1906 | Penn Yan | Empire State League | , | |||
| Alva Bayne | bayne-001alv | 1906 | 5/11-9/19 | Binghamton Bingoes | New York State League | , | |
| Harry Beach | 1906 | Amherst College | College | , | |||
| Harry Beach | 1906 | Burlington | Northern Independent League | , | |||
| Beadles | 1906 | 5/1-7/19 | Guthrie Senators | South Central League | , | ||
| Max? Beals | 1906 | 9/17-9/19 | St. Joseph Packers/Hutchinson Salt Packers | Western Association | , | ||
| Joe Bean | bean--001jos | 1906 | 4/26-9/12 | Jersey City Skeeters | Eastern League | , | |
| Jimmy Beard | beard-001jam | 1906 | 4/27- | Manchester Textiles | New England League | , | |
| Jimmy Beard | beard-001jam | 1906 | Haverhill Hustlers | New England League | , | ||
| Jimmy Beard | beard-001jam | 1906 | -8/17 | Lawrence Colts | New England League | , | |
| Jimmy Beard | beard-001jam | 1906 | Orwigsburg PA | Independent | , | ||
| John Beard | 1906 | 5/17-5/18+ | Tecumseh | Southern Michigan League | , | ||
| John Beard | 1906 | +8/1+ | Kalamazoo White Sox | Southern Michigan League | , | ||
| John Beard | 1906 | +7/24-9/7+ | Coldwater MI | Independent | , | ||
| Charles Beasley | 1906 | 5/17-7/31+ | Tecumseh | Southern Michigan League | , | ||
| Charles Beasley | 1906 | +9/21+ | Mount Clemens Bathers | Southern Michigan League | , | ||
| Frank Beatty | 1906 | Meadville PA | Erie Railroad | , | |||
| Frank Beatty | 1906 | 8/29,9/29 | Youngstown Ohio Works | Ohio-Pennsylvania League | , | ||
| Frank Beaumont | beaumo001fra | 1906 | 4/25-9/8 | Bridgeport Orators | Connecticut State League | , | |
| Ernest Bechtel | 1906 | 6/4-7/11 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Ernest Bechtel | 1906 | 8/7-8/17 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Erve Beck | beck--001erv | 1906 | 4/12-7/10 | New Orleans Pelicans | Southern Association | , | |
| Erve Beck | beck--001erv | 1906 | 7/14-7/28 | Nashville Volunteers | Southern Association | , | |
| Erve Beck | beck--001erv | 1906 | 8/7-9/3 | Augusta Tourists | South Atlantic League | , | |
| Frederick Beck | beck--002fre | 1906 | +5/4-9/4+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Lawrence Beckel | beckel001law | 1906 | 5/14-6/4 | Utica Pent-Ups | New York State League | , | |
| Lawrence Beckel | beckel001law | 1906 | 8 g. | Youngstown Ohio Works | Ohio-Pennsylvania League | , | |
| Lawrence Beckel | beckel001law | 1906 | Newark Cotton Tops | Ohio-Pennsylvania League | , | ||
| Lawrence Beckel | beckel001law | 1906 | 8/13 | Springfield Babes | Central League | , | |
| Lawrence Beckel | beckel001law | 1906 | 8/15 | Evansville River Rats | Central League | , | |
| Lawrence Beckel | beckel001law | 1906 | 8/31 | Springfield Babes | Central League | , | |
| Henry Beckendorf | becken001hen | 1906 | 5/9-5/25 | Providence Grays | Eastern League | , | |
| Henry Beckendorf | becken001hen | 1906 | 6/17-6/28 | Newark Sailors | Eastern League | , | |
| Henry Beckendorf | becken001hen | 1906 | Kingston Colonials | Hudson River League | , | ||
| Becker | 1906 | 6/7 | Nashville Volunteers | Southern Association | , | ||
| Beals Becker | becker001dav | 1906 | 4/16-4/21 | Little Rock Travelers | Southern Association | , | |
| Beals Becker | becker001dav | 1906 | 5/6-9/23 | Wichita Jobbers | Western Association | , | |
| Jesse Becker | 1906 | 5/19-9/3 | Lake Linden Sandy Cities | Northern-Copper Country League | , | ||
| Karl Becker | 1906 | Osage City | Independent | , | |||
| Karl Becker | 1906 | Herington | Independent | , | |||
| Beckett | 1906 | 5/10 | Tacoma Tigers | Northwestern League | , | ||
| Beckett | 1906 | 5/16-5/30 | Spokane Indians | Northwestern League | , | ||
| Walter Beckett | becker016--- | 1906 | 5/26 | Waynesburg | Pennsylvania-Ohio-Maryland League | , | |
| Walter Beckett | becker016--- | 1906 | +8/12+ | Laurel MD | Cumberland Valley | , | |
| Walter Beckett | becker016--- | 1906 | Washington | American League | Washington, DC | ||
| Beckham | 1906 | 6/19 | Waco Navigators | Texas League | , | ||
| Jake Beckley | beckle001jac | 1906 | 87 g. | St. Louis | National League | St. Louis, MO | |
| Frank Bedur | bedur-001ott | 1906 | Fort Wayne | Interstate Association | , | ||
| Frank Bedur | bedur-001ott | 1906 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Frank Bedur | bedur-001ott | 1906 | 14 g. | New Castle Outlaws | Ohio-Pennsylvania League | , | |
| Beebe | 1906 | 7/9-7/11 | Worcester Busters | New England League | , | ||
| Fred Beebe | beebe-001fre | 1906 | 4/17- | 14 g. | Chicago | National League | Chicago, IL |
| Fred Beebe | beebe-001fre | 1906 | 20 g. | St. Louis | National League | St. Louis, MO | |
| Roy Beecher | beeche001ler | 1906 | no g. | Terre Haute Hottentots | Central League | , | |
| Roy Beecher | beeche001ler | 1906 | 35 g. | Houghton Giants | Northern-Copper Country League | , | |
| Roy Beecher | beeche001ler | 1906 | 9/7 | Minneapolis Millers | American Association | , | |
| John Beedles | beedle002joh | 1906 | no g. | Oklahoma City Mets | Western Association | , | |
| John Beedles | beedle002joh | 1906 | 5/1-5/22 | Guthrie Senators | South Central League | , | |
| John Beedles | beedle002joh | 1906 | 7/6-7/20 | Guthrie Senators | South Central League | , | |
| Jesse Beeker | 1906 | Lake Linden Sandy Cities | Northern-Copper Country League | , | |||
| William Beeker | beeker001wil | 1906 | 4/15-9/11 | Shreveport Pirates | Southern Association | , | |
| Thomas Behan | 1906 | 64 g. | Gulfport Crabs | Cotton States League | , | ||
| Thomas Behan | 1906 | Baton Rouge Cajuns | Cotton States League | , | |||
| Thomas Behan | 1906 | Jackson Senators | Cotton States League | , | |||
| James Beisel | 1906 | 6/12-6/16 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| James Beisel | 1906 | 9/7 | Providence Grays | Eastern League | , | ||
| Hugh Beiser | 1906 | U. South Carolina | College | , | |||
| Hugh Beiser | 1906 | 6/11-6/27 | Orangeburg | South Carolina League | , | ||
| Belanger | 1906 | 7/5-9/16 | Wausau Lumberjacks | Wisconsin State League | , | ||
| George Belanger | 1906 | +9/9-9/20+ | Battle Creek Crickets | Southern Michigan League | , | ||
| George Belcher | 1906 | no g. | Richmond Colts | Virginia League | , | ||
| Billy Belden | belden001wil | 1906 | 4/27-8/24 | Springfield Babes | Central League | , | |
| Ira Belden | belden002ira | 1906 | 5/2- | 144 g. | Denver Grizzlies | Western League | , |
| Bell | 1906 | 9/5 | St. Paul Saints | American Association | , | ||
| Bob Bell | 1906 | 6/19-7/7 | Umpire | Ohio-Pennsylvania League | , | ||
| George Bell | bell--002geo | 1906 | 4/26-9/6 | Altoona Mountaineers | Tri-State League | , | |
| Lynn Bell | 1906 | 5/3-6/10+ | Saginaw | Interstate Association | , | ||
| Lynn Bell | 1906 | Jackson Convicts | Southern Michigan League | , | |||
| Lynn Bell | 1906 | 7/18-9/23 | Saginaw | Southern Michigan League | , | ||
| Theron Bell | bell--001t-- | 1906 | 4/24-5/4 | Little Rock Travelers | Southern Association | , | |
| Theron Bell | bell--001t-- | 1906 | 102 g. | Vicksburg Hill Billies | Cotton States League | , | |
| Tug Bell | 1906 | 9/14-9/15 | Sharon Steels | Ohio-Pennsylvania League | , | ||
| Bellinger | 1906 | +9/8-9/23+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Frank Belt | belt--001fra | 1906 | 122 g. | Jacksonville Jacks | Kentucky-Illinois-Tennessee League | , | |
| Harry Belt | belt--001hic | 1906 | 7 g. | Seattle Siwashes | Pacific Coast League | , | |
| Harry Belt | belt--001hic | 1906 | 6/15-8/1 | Spokane Indians | Northwestern League | , | |
| Charles Bemiss | bemis-001cha | 1906 | 4/15 | Little Rock Travelers | Southern Association | , | |
| Andrew Benbow | benbow001j-- | 1906 | 4/26-7/17 | Norfolk Tars | Virginia League | , | |
| Andrew Benbow | benbow001j-- | 1906 | 7/19 | Portsmouth Truckers | Virginia League | , | |
| Andrew Benbow | benbow001j-- | 1906 | 8/9-9/8 | Roanoke Tigers | Virginia League | , | |
| William Benbow | 1906 | 5/24-5/29 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| Charles Bender | bender001cha | 1906 | Philadelphia | American League | Philadelphia, PA | ||
| John Bender | bender001joh | 1906 | 5/2- | Omaha Rourkes | Western League | , | |
| John Bender | bender001joh | 1906 | Wash. State U. | College | , | ||
| John Bender | bender002joh | 1906 | 4/16-6/2 | Charleston Sea Gulls | South Atlantic League | , | |
| John Bender | bender002joh | 1906 | 6/18-9/3 | Augusta Tourists | South Atlantic League | , | |
| Benjamin | 1906 | 6/23-6/29 | Waco Navigators | Texas League | , | ||
| William Benke | benke-000wil | 1906 | 5/22-9/11+ | Mount Clemens Bathers | Southern Michigan League | , | |
| Bennett | 1906 | 6/11 | Georgetown | South Carolina League | , | ||
| Bennett | 1906 | +6/15-6/17+ | Shawnee Blues | South Central League | , | ||
| Ben Bennett | bennet002ben | 1906 | 5/1-6/6 | Guthrie Senators | South Central League | , | |
| Ben Bennett | bennet002ben | 1906 | 6/10-8/7 | Fort Smith Razorbacks | South Central League | , | |
| Fred Bennett | bennet002fre | 1906 | 30 g. | Fort Dodge Gypsumites | Iowa League | , | |
| Fred Bennett | bennet002fre | 1906 | 12 g. | Boone/Clinton Miners | Iowa League | , | |
| Michael Bennett | bennet001m-- | 1906 | Mercersburg Acad | Academy | , | ||
| Michael Bennett | bennet001m-- | 1906 | 5/29-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Pug Bennett | bennet001jus | 1906 | St. Louis | National League | St. Louis, MO | ||
| Simon Bennett | bennet001si- | 1906 | 5/3-6/22 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Simon Bennett | bennet001si- | 1906 | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | ||
| Walter Bennett | bennet002wal | 1906 | New Haven Blues | Connecticut State League | , | ||
| Bennicker | 1906 | 7/17- | Pueblo Indians | Western League | , | ||
| John Benny | benny-001joh | 1906 | 4/26-9/8 | Danville Red Sox | Virginia League | , | |
| Elmer Bensen | benson001elm | 1906 | 129 g. | Oskaloosa Quakers | Iowa League | , | |
| Louis Bensley | 1906 | +5/18-6/10+ | Saginaw | Interstate Association | , | ||
| Louis Bensley | 1906 | +6/20-9/23 | Kalamazoo White Sox | Southern Michigan League | , | ||
| Ross Benson | 1906 | no g. | Cumberland Rooters | Pennsylvania-Ohio-Maryland League | , | ||
| William Bentley | bentle001wil | 1906 | 4/27-9/8 | Lynchburg Shoemakers | Virginia League | , | |
| Bentz | 1906 | 7/24-7/26 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Heinie Berger | berger001cha | 1906 | 4/18-9/16 | Columbus Senators | American Association | , | |
| James Berger | berger001jam | 1906 | , | ||||
| Peter Bergheimer | 1906 | Monessen | MonoVal | , | |||
| Frederick Bergman | 1906 | 58 g. | Los Angeles Angels | Pacific Coast League | , | ||
| Curt Bernard | bernar001cur | 1906 | 170 g. | Los Angeles Angels | Pacific Coast League | , | |
| Bill Bernhard | bernha001wil | 1906 | 31 g. | Cleveland | American League | Cleveland, OH | |
| Palmer Bernston | 1906 | 26 g. | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | ||
| Palmer Bernston | 1906 | Oshkosh Indians | Wisconsin State League | , | |||
| Palmer Bernston | 1906 | +8/11-9/3 | Lake Linden Sandy Cities | Northern-Copper Country League | , | ||
| Archibald Bero | bero--001arc | 1906 | 4/25-9/3 | Waco Navigators | Texas League | , | |
| Archibald Bero | bero--001arc | 1906 | 9/7-9/15 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Edward Berrigan | berrig001ed- | 1906 | +6/16+ | Waterloo Microbes | Iowa League | , | |
| Berry | 1906 | 7/6 | Webb City Goldbugs | Western Association | , | ||
| Claude Berry | berry-001cla | 1906 | 5/3-9/16 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Claude Berry | berry-001cla | 1906 | 10 g. | Philadelphia | American League | Philadelphia, PA | |
| Harry Berry | berry-002har | 1906 | 4/26-5/26 | Fort Worth Panthers | Texas League | , | |
| Harry Berry | berry-002har | 1906 | 6/12-9/1 | Savannah Indians | South Atlantic League | , | |
| Hodge Berry | berry-000hod | 1906 | 4/28-6/5 | Umpire | Ohio-Pennsylvania League | , | |
| Hodge Berry | berry-000hod | 1906 | 7/1-7/5 | Umpire | Ohio-Pennsylvania League | , | |
| Joe Berry | berry-001jos | 1906 | Camden NJ | Independent | , | ||
| Bob Berryhill | berryh001rob | 1906 | 35 g. | Mattoon-Charleston Canaries | Kentucky-Illinois-Tennessee League | , | |
| Bob Berryhill | berryh001rob | 1906 | 31 g. | Newark Cotton Tops | Ohio-Pennsylvania League | , | |
| Harry Berte | berte-001har | 1906 | 128 g. | Jacksonville Jacks | Kentucky-Illinois-Tennessee League | , | |
| James Bertrand | 1906 | 6/12-7/27 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| James Bertrand | 1906 | 7/28-7/31 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| James Bertrand | 1906 | +8/4+ | Balt.-Stars | Independent | , | ||
| James Bertrand | 1906 | 8/17-9/15 | Cumberland Rooters | Pennsylvania-Ohio-Maryland League | , | ||
| Bertwell | 1906 | 5/28-5/30 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| James Bertwhistle | bertwh001jam | 1906 | 90 g. | Bridgeport Orators | Connecticut State League | , | |
| Bob Bescher | besche001rob | 1906 | Lima | Interstate Association | , | ||
| Bob Bescher | besche001rob | 1906 | +6/11-9/25 | Dayton Veterans | Central League | , | |
| Frank Betcher | betche001fra | 1906 | Bridgeton NJ | Independent | , | ||
| George Betscher | 1906 | no g. | Richmond Colts | Virginia League | , | ||
| Fred Betts | betts-001fre | 1906 | 5/10-5/19 | Scranton Miners | New York State League | , | |
| Fred Betts | betts-001fre | 1906 | 5/23-9/23 | Albany Senators | New York State League | , | |
| Harry Betts | betts-002har | 1906 | Oakland | , | |||
| Harry Betts | betts-002har | 1906 | 8/4- | 5 g. | Jackson Senators | Cotton States League | , |
| Carlton Beusse | beusse001car | 1906 | 5/3-7/6 | Waycross Machinists | Georgia State League | , | |
| Carlton Beusse | beusse001car | 1906 | 7/7-9/3 | Jacksonville Jays | South Atlantic League | , | |
| Fred Beusse | 1906 | +5/28+ | Waycross Machinists | Georgia State League | , | ||
| Fred Beusse | 1906 | 7/9-7/20 | Manning | South Carolina League | , | ||
| Fred Beusse | 1906 | 7/21 | Charleston Sea Gulls | South Atlantic League | , | ||
| Bevan | 1906 | +6/1+ | Jacksonville Jays | South Atlantic League | , | ||
| Monte Beville | bevill001hen | 1906 | 4/18-9/12 | Milwaukee Brewers | American Association | , | |
| Joseph Bewer | bewer-001jos | 1906 | 121 g. | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Ed Biecher | bieche001ed- | 1906 | 4/25-6/14 | Altoona Mountaineers | Tri-State League | , | |
| Ed Biecher | bieche001ed- | 1906 | 6/19-9/15 | Johnstown Johnnies | Tri-State League | , | |
| Joseph Biehl | biehl-001jos | 1906 | Lykens | WmsValley | , | ||
| Joseph Biehl | biehl-001jos | 1906 | Robeson | Reading City | , | ||
| William Bierhalter | 1906 | 7/24-9/23 | Umpire | New York State League | , | ||
| John Bierkotte | 1906 | Mattoon-Charleston Canaries | Kentucky-Illinois-Tennessee League | , | |||
| Fred Bierman | bierma001fre | 1906 | 4/26-6/2 | Danville Red Sox | Virginia League | , | |
| Fred Bierman | bierma001fre | 1906 | 6/7-9/3 | Augusta Tourists | South Atlantic League | , | |
| Clarence Biersdorfer | 1906 | 5/1-5/22 | Dayton Veterans | Central League | , | ||
| Albert Biery | biery-001rob | 1906 | 135 g. | Mansfield Giants | Ohio-Pennsylvania League | , | |
| Henry Bies | 1906 | 7/10 | Freeport Pretzels | Wisconsin State League | , | ||
| Henry Bies | 1906 | 9/11 | Menasha WI | Independent | , | ||
| Frank Bigbie | bigbie001fra | 1906 | 4/25-6/8 | Dallas Giants | Texas League | , | |
| Frank Bigbie | bigbie001fra | 1906 | 6/9-9/3 | Waco Navigators | Texas League | , | |
| George Bigbie | bigbie001geo | 1906 | 4/27-9/8 | Lynn Shoemakers | New England League | , | |
| George Bigbie | bigbie001geo | 1906 | Oakland Oaks | Pacific Coast League | , | ||
| Edward Biggins | 1906 | 4/28 | New London Whalers | Connecticut State League | , | ||
| Edward Biggins | 1906 | 5/12-5/16 | New Haven Blues | Connecticut State League | , | ||
| Harry Billett | billet001har | 1906 | 4/27-9/8 | Lawrence Colts | New England League | , | |
| Harry Billett | billet001har | 1906 | 9/10-9/11 | York Penn Parks | Tri-State League | , | |
| Harry Billiard | billia001har | 1906 | 4/24 | Birmingham Barons | Southern Association | , | |
| Harry Billiard | billia001har | 1906 | 5/1-8/22 | Meridian Ribboners | Cotton States League | , | |
| Billings | 1906 | 7/2-7/17 | Lake Charles Creoles | South Texas League | , | ||
| Billings | 1906 | Vincennes Univ. | College | , | |||
| Joseph Bills | bills-001jos | 1906 | 95 g. | Keokuk Indians | Iowa League | , | |
| Bingham | 1906 | Empire State League | , | ||||
| Bert Bircher | 1906 | +6/17-8/18+ | Atlantic IA | Independent | , | ||
| Bert Bircher | 1906 | +7/26+ | Casey IA | Independent | , | ||
| Charles Bird | bird--001cha | 1906 | New London Whalers | Connecticut State League | , | ||
| Thomas Bird | bird--001tho | 1906 | 4/12-7/7 | New Orleans Pelicans | Southern Association | , | |
| Thomas Bird | bird--001tho | 1906 | 7/18-9/15 | Little Rock Travelers | Southern Association | , | |
| Birmingham | 1906 | 20 g. | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | ||
| Joe Birmingham | birmin001jos | 1906 | 5/11-9/8 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Joe Birmingham | birmin001jos | 1906 | 9/12- | 10 g. | Cleveland | American League | Cleveland, OH |
| W. F. Bischoff | 1906 | Rutland | Northern Independent League | , | |||
| Charles Bishop | bishop002cha | 1906 | , | ||||
| Charles Bishop | bishop002cha | 1906 | 37 g. | Vicksburg Hill Billies | Cotton States League | , | |
| Charles? Bishop | 1906 | 7/19 | Darlington | South Carolina League | , | ||
| John Bishop | bishop001joh | 1906 | 4/26-5/25 | Umpire | Virginia League | , | |
| John Bishop | bishop001joh | 1906 | 5/30-6/16 | Danville Red Sox | Virginia League | , | |
| Wilbert Bissell | bissel001wil | 1906 | 132 g. | Cairo Giants | Kentucky-Illinois-Tennessee League | , | |
| John Bissett | bisset001joh | 1906 | 234 ab | Paterson Intruders | Hudson River League | , | |
| George Bittrolff | bittro001geo | 1906 | 5/4-9/12 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Black | 1906 | 6/5+ | Guthrie Senators | South Central League | , | ||
| Black | 1906 | 29 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | ||
| Cyrus Black | black-001cyr | 1906 | 29 g. | Rock Island Islanders | Illinois-Indiana-Iowa League | , | |
| George Black | black-001geo | 1906 | 5/15-7/7 | Battle Creek Crickets | Southern Michigan League | , | |
| George Black | black-001geo | 1906 | Battle Creek | Independent | , | ||
| Harry Black | 1906 | 5/20-5/30 | Umpire | Ohio-Pennsylvania League | , | ||
| Robert Black | black-003rob | 1906 | 5/8-7/11 | Umpire | South Atlantic League | , | |
| Robert Black | black-003rob | 1906 | 7/21-9/8 | Umpire | Virginia League | , | |
| Charles Blackburn | blackb001cha | 1906 | 8 g. | Lake Charles Creoles | South Texas League | , | |
| George Blackburn | blackb001geo | 1906 | 4/16-5/15 | Macon Brigands | South Atlantic League | , | |
| George Blackburn | blackb001geo | 1906 | 5/17-6/18 | Jacksonville Jays | South Atlantic League | , | |
| George Blackburn | blackb001geo | 1906 | 6/21-8/18 | Darlington | South Carolina League | , | |
| George Blackburn | blackb001geo | 1906 | 8/25-9/7 | Roanoke Tigers | Virginia League | , | |
| Herschel Blackburn | blackb001hen | 1906 | 6/17-8/3+ | Coffeyville Bricks | Kansas State League | , | |
| Herschel Blackburn | blackb001hen | 1906 | +8/15-9/9 | Parsons Preachers | Kansas State League | , | |
| Joe Blackburn | blackb002r-- | 1906 | 5/3-8/17+ | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Blaine | 1906 | +8/8+ | Montpelier-Barre | Northern Independent | , | ||
| Guy Blair | blair-001guy | 1906 | +5/31-8/25+ | Jackson Convicts | Southern Michigan League | , | |
| Walter Blair | blair-001wal | 1906 | 4/25-9/15 | Williamsport Millionaires | Tri-State League | , | |
| Bill Blake | blake-001wil | 1906 | 4/12-9/15 | New Orleans Pelicans | Southern Association | , | |
| Harry Blake | blake-001har | 1906 | 5/2- | 28 g. | Pueblo Indians | Western League | , |
| James Blake | 1906 | Bucknell Univ. | College | , | |||
| James Blake | 1906 | 6/19-8/24 | Williamsport Millionaires | Tri-State League | , | ||
| James Blake | 1906 | 8/27-9/15 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| John Blakeney | 1906 | 7/3- | 18 g. | Houston Buffaloes | South Texas League | , | |
| Foster Blanchard | blanch001fos | 1906 | 5/11-6/4 | Utica Pent-Ups | New York State League | , | |
| Foster Blanchard | blanch001fos | 1906 | Tri-County | Hudson River League | , | ||
| Foster Blanchard | blanch001fos | 1906 | 8/4-8/28 | Utica Pent-Ups | New York State League | , | |
| Frank Blanford | blanfo000fra | 1906 | Sioux Falls SD | Independent | , | ||
| Ross Blanton | 1906 | Waycross Machinists | Georgia State League | , | |||
| Ross Blanton | 1906 | 7/16-8/18 | Georgetown | South Carolina League | , | ||
| John Blass | blass-001joh | 1906 | 4/16- | N.O.-Postal | New Orleans Mercantile League | , | |
| John Blass | blass-001joh | 1906 | +10/14+ | N.O.-Gold Bands | New Orleans Mercantile League | , | |
| Alfred Blatchford | blatch001alf | 1906 | no g. | Lowell Tigers | New England League | , | |
| Ray Blausser | 1906 | 100 g. | Cairo Giants | Kentucky-Illinois-Tennessee League | , | ||
| Roy Blausser | 1906 | 17 g. | Keokuk Indians | Iowa League | , | ||
| Dummy Blevin | 1906 | 7/8-7/9 | Independence Coyotes | Kansas State League | , | ||
| Dummy Blevin | 1906 | 7/18 | Coffeyville Bricks | Kansas State League | , | ||
| Dummy Blevin | 1906 | 7/21- | Chanute Browns | Kansas State League | , | ||
| Theodore Blexrud | blexru001mel | 1906 | Oakland Commuters | California League | , | ||
| Theodore Blexrud | blexru001mel | 1906 | 8/4-9/3 | Spokane Indians | Northwestern League | , | |
| Theodore Blexrud | blexru001mel | 1906 | 2 g. | Oakland Oaks | Pacific Coast League | , | |
| Elmer Bliss | bliss-001elm | 1906 | 4/27-9/21 | Grand Rapids Wolverines | Central League | , | |
| Bruno Block | block-001jam | 1906 | 44 g. | Galveston Sand Crabs | South Texas League | , | |
| Bruno Block | block-001jam | 1906 | 9/13-9/16 | Milwaukee Brewers | American Association | , | |
| Blodgett | blodge002--- | 1906 | 5/3- | Saginaw | Interstate Association | , | |
| Blodgett | blodge002--- | 1906 | Sagi-Schemms | Independent | , | ||
| Lynn Bloom | bloom-004--- | 1906 | 5/30-9/9 | Chanute Browns | Kansas State League | , | |
| Blooming | 1906 | 5/30 | Waynesburg | Pennsylvania-Ohio-Maryland League | , | ||
| Bloss | 1906 | Univ. of Kansas | College | , | |||
| Bloss | 1906 | 6/11-6/14 | Chanute Browns | Kansas State League | , | ||
| Curley Blount | blount001iow | 1906 | 4/28-8/17 | Youngstown Ohio Works | Ohio-Pennsylvania League | , | |
| Barney Blue | 1906 | no g. | Temple Boll Weevils | Texas League | , | ||
| Bert Blue | blue--001bir | 1906 | 4/18-9/16 | Columbus Senators | American Association | , | |
| Pearl Bluejacket | blueja001pea | 1906 | 5/1-6/19+ | Muskogee Indians | South Central League | , | |
| Pearl Bluejacket | blueja001pea | 1906 | 6/27-7/2+ | Tulsa Oilers | South Central League | , | |
| George Boardman | boardm001geo | 1906 | 4/27-8/25 | Haverhill Hustlers | New England League | , | |
| Oscar Bockewitz | 1906 | 5/7-6/1 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Oscar Bockewitz | 1906 | 36 g. | Marshalltown Brownies | Iowa League | , | ||
| John Bockstahler | bockst001j-- | 1906 | 4/26-5/23 | Bridgeport Orators | Connecticut State League | , | |
| Oscar Boettiger | boetti001osc | 1906 | 4/28-7/29 | Grays Harbor Lumbermen | Northwestern League | , | |
| Richard Boettiger | boetti001ric | 1906 | 4/28-9/3 | Grays Harbor Lumbermen | Northwestern League | , | |
| Ernest Bogue | 1906 | 5/7-5/12+ | Independence Coyotes | Kansas State League | , | ||
| Luke Bohannon | bohann001l-- | 1906 | 4/11-9/15 | Nashville Volunteers | Southern Association | , | |
| Patrick Bohannon | bohann001pat | 1906 | 6/22-9/16 | Kansas City Blues | American Association | , | |
| Patrick Boland | boland001pat | 1906 | Olean Refiners | Interstate League | , | ||
| Walter Boles | boles-001wal | 1906 | 4/25-9/2 | Fort Worth Panthers | Texas League | , | |
| Walter Boles | boles-001wal | 1906 | 9/13-9/21 | Topeka White Sox | Western Association | , | |
| Charles Bolin | 1906 | +7/2-7/19+ | Jackson Convicts | Southern Michigan League | , | ||
| Charles Bolin | 1906 | 7/21-9/23 | Kalamazoo White Sox | Southern Michigan League | , | ||
| John Bolin | bolin-003joh | 1906 | 4/15-4/27 | New Orleans Pelicans | Southern Association | , | |
| John Bolin | bolin-003joh | 1906 | 5/12-8/22 | Gulfport Crabs | Cotton States League | , | |
| Charles Bomar | bomar-001cha | 1906 | 5/3-9/16 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Carl Bond | bond--001car | 1906 | 116 g. | La Crosse Pinks | Wisconsin State League | , | |
| Harold Bond | bond--001har | 1906 | Macalaster Univ. | College | , | ||
| Harold Bond | bond--001har | 1906 | 5/19-9/3 | Winnipeg Maroons | Northern-Copper Country League | , | |
| George Bone | bone--001geo | 1906 | Hartford Senators | Connecticut State League | , | ||
| Jack Bonner | bonner001joh | 1906 | 4/25-9/15 | Harrisburg Senators | Tri-State League | , | |
| Frank Bonnett | bonnet001fra | 1906 | Oil City-Jamestown Oseejays | Interstate League | , | ||
| Gus Bonno | bonno-001gus | 1906 | 4/24-5/12 | Augusta Tourists | South Atlantic League | , | |
| Gus Bonno | bonno-001gus | 1906 | 6/11-8/18 | Orangeburg | South Carolina League | , | |
| Gus Bonno | bonno-001gus | 1906 | 8/21-9/5 | Norfolk Tars | Virginia League | , | |
| Harry Boone | 1906 | Umpire | South Texas League | , | |||
| George Booth | booth-001geo | 1906 | Oswego | Empire State League | , | ||
| Borden | 1906 | 8/12-8/21 | Mansfield Giants | Ohio-Pennsylvania League | , | ||
| E. Borden | 1906 | Bridgeport Orators | Connecticut State League | , | |||
| Bosquet | 1906 | 8/11 | Des Moines Champs | Western League | , | ||
| Bosquet | 1906 | 9/2 | Trinidad-BigSix | Independent | , | ||
| Henry Bosse | 1906 | 5/3-9/16 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | ||
| Charles Botsford | bottsf001cha | 1906 | 25 g. | Oshkosh Indians | Wisconsin State League | , | |
| Billy Bottenus | botten001wil | 1906 | 33 g. | Newark Cotton Tops | Ohio-Pennsylvania League | , | |
| Billy Bottenus | botten001wil | 1906 | 8/29-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Alexander Boucher | bouche001ale | 1906 | 5/1-7/2 | Lancaster Red Roses | Tri-State League | , | |
| Alexander Boucher | bouche001ale | 1906 | 7/10-9/23 | Albany Senators | New York State League | , | |
| Jim Bouldin | bouldi001jam | 1906 | OK State U. | College | , | ||
| Jim Bouldin | bouldi001jam | 1906 | 4/29-5/15 | South McAlester Miners | South Central League | , | |
| Jim Bouldin | bouldi001jam | 1906 | 6/8-7/18 | Tulsa Oilers | South Central League | , | |
| Jim Bouldin | bouldi001jam | 1906 | El Reno | Independent | , | ||
| Jake Boultes | boulte001jac | 1906 | 4/21-4/23 | Little Rock Travelers | Southern Association | , | |
| Jake Boultes | boulte001jac | 1906 | St.L.-Ben Miller | St. Louis Trolley League | , | ||
| Art Bourgeois | bourge001art | 1906 | 122 g. | Oshkosh Indians | Wisconsin State League | , | |
| Benny Bowcock | bowcoc001ben | 1906 | 4/27-9/8 | Fall River Indians | New England League | , | |
| Kid Bowden | bowden000kid | 1906 | Jackson Senators | Cotton States League | , | ||
| Andrew Bowen | bowen-001and | 1906 | 4/28-9/8 | Lynchburg Shoemakers | Virginia League | , | |
| Charley Bowen | 1906 | Summit NJ | Independent | , | |||
| Charley Bowen | 1906 | 8/1 | Toronto Maple Leafs | Eastern League | , | ||
| Cy Bowen | bowen-001sut | 1906 | 5/11-9/17 | Wilkes-Barre Barons | New York State League | , | |
| D. P. Bowen | 1906 | +5/16-6/14+ | Parsons Preachers | Kansas State League | , | ||
| D. P. Bowen | 1906 | 6/29-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| John Bowen | 1906 | +5/28-6/20+ | Waycross Machinists | Georgia State League | , | ||
| John Bowen | 1906 | 7/16-8/18 | Georgetown | South Carolina League | , | ||
| John Bowen | 1906 | 8/21-9/8 | Lynchburg Shoemakers | Virginia League | , | ||
| Frank Bowerman | bowerm001fra | 1906 | 92 g. | New York | National League | New York, NY | |
| Clint Bowers | 1906 | Wm. Jewell Col. | College | , | |||
| Clint Bowers | 1906 | Coffeyville Bricks | Kansas State League | , | |||
| George Bowers | bowers001geo | 1906 | 6/8-6/12 | New London Whalers | Connecticut State League | , | |
| L. C. Bowers | 1906 | 8/20-8/30 | Waco Navigators | Texas League | , | ||
| Rube Bowers | bowers001d-- | 1906 | no g. | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Rube Bowers | bowers001d-- | 1906 | +5/14+ | New Castle Outlaws | Ohio-Pennsylvania League | , | |
| Goldie Bowler | bowler001p-- | 1906 | 4/28-8/23 | Springfield Ponies | Connecticut State League | , | |
| Bowles | 1906 | 4/30 | Lake Charles Creoles | South Texas League | , | ||
| Frank Bowman | bowman001fra | 1906 | Seattle Siwashes | Pacific Coast League | , | ||
| Morgan Bowman | 1906 | 9/11-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Red Bowser | bowser001jam | 1906 | 8/1 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Red Bowser | bowser001jam | 1906 | +9/1+ | Scottdale PA | Independent | , | |
| Boyd | 1906 | 19 g. | Newark Cotton Tops | Ohio-Pennsylvania League | , | ||
| Boyd | 1906 | 7/23 | San Antonio Bronchos | South Texas League | , | ||
| James Boyd | 1906 | 7/20-8/21 | Richmond Colts | Virginia League | , | ||
| James Boyd | 1906 | 8/31-9/8 | Roanoke Tigers | Virginia League | , | ||
| Smith Boyd | 1906 | 5/3-7/3+ | Albany | Georgia State League | , | ||
| William Boyd | boyd--001gra | 1906 | 7/20-9/4 | Baton Rouge Cajuns | Cotton States League | , | |
| Earl Boyer | 1906 | 5/19-5/21+ | Houghton Giants | Northern-Copper Country League | , | ||
| Earl Boyer | 1906 | Hibbing MN | Independent | , | |||
| Boylan | 1906 | +6/3-6/9+ | Lake Linden Sandy Cities | Northern-Copper Country League | , | ||
| Boyle | 1906 | Alameda Grays | California League | , | |||
| Boyle | 1906 | 71 g. | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | ||
| Boyle | 1906 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |||
| Edward Boyle | 1906 | ?-6/28 | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | ||
| Edward Boyle | 1906 | +8/1-8/23+ | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | ||
| Frank Boyle | boyle-001fra | 1906 | Fort Dodge Gypsumites | Iowa League | , | ||
| Frederick Boyle | boyle-001f-- | 1906 | no g. | Montgomery Senators | Southern Association | , | |
| Frederick Boyle | boyle-001f-- | 1906 | 5/18-5/26 | Savannah Indians | South Atlantic League | , | |
| Frederick Boyle | boyle-001f-- | 1906 | 6/8-6/18 | Albany Senators | New York State League | , | |
| Frederick Boyle | boyle-001f-- | 1906 | 7/1+ | Newark Cotton Tops | Ohio-Pennsylvania League | , | |
| Frederick Boyle | boyle-001f-- | 1906 | 8/2-9/15 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| George Boyle | 1906 | Alle.-Temperance | Independent | , | |||
| Jack Boyle | boyle-001jac | 1906 | 4/26-7/7+ | Terre Haute Hottentots | Central League | , | |
| Brace | 1906 | +9/8+ | 12 g. | Battle Creek Crickets | Southern Michigan League | , | |
| Bracey | 1906 | +6/7-6/20+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Jack Bracken | bracke001joh | 1906 | Kent OH | Independent | , | ||
| John Brackenridge | bracke002joh | 1906 | 5/8-5/19 | Lancaster Red Roses | Tri-State League | , | |
| Edward Bradley | bradle001edw | 1906 | 124 g. | Newark Cotton Tops | Ohio-Pennsylvania League | , | |
| Edward Bradley | bradle001edw | 1906 | Sharon Steels | Ohio-Pennsylvania League | , | ||
| Ernest Bradley | bradle001ern | 1906 | 89 g. | San Antonio Bronchos | South Texas League | , | |
| Ernest Bradley | bradle001ern | 1906 | Austin Senators | South Texas League | , | ||
| Hugh Bradley | 1906 | 4/27-9/7 | Worcester Busters | New England League | , | ||
| James Bradley | bradle001jam | 1906 | Waterloo Microbes | Iowa League | , | ||
| James Bradley | bradle001jam | 1906 | Ottumwa Champs | Iowa League | , | ||
| John Bradley | 1906 | +5/31-7/19+ | Jackson Convicts | Southern Michigan League | , | ||
| John Bradley | 1906 | +7/25-9/23 | Battle Creek Crickets | Southern Michigan League | , | ||
| Frank Brady | brady-001fra | 1906 | <10 5/3- | Jacksonville Jacks | Kentucky-Illinois-Tennessee League | , | |
| J. J. Brady | 1906 | 4/19-8/1 | Umpire | Cotton States League | , | ||
| John Brady | 1906 | Stockton Millers | California League | , | |||
| King Brady | brady-005jam | 1906 | 3 g. | Pittsburgh | National League | Pittsburgh, PA | |
| King Brady | brady-005jam | 1906 | 4/19-9/15 | Little Rock Travelers | Southern Association | , | |
| Red? Brady | 1906 | 8/22-8/23 | Evansville River Rats | Central League | , | ||
| Louis Brahic | brahic000dic | 1906 | no g. | Montgomery Senators | Southern Association | , | |
| Louis Brahic | brahic000dic | 1906 | 5/4-8/17 | Paducah Indians | Kentucky-Illinois-Tennessee League | , | |
| Frank Braman | 1906 | 5/15-5/18+ | Kalamazoo White Sox | Southern Michigan League | , | ||
| Charles Brand | 1906 | Buffalo Central HS | High School | , | |||
| Earl Brand | 1906 | Central IL | Independent | , | |||
| Earl Brand | 1906 | Dayton Veterans | Central League | , | |||
| William Brand | 1906 | 5/19-9/3 | Houghton Giants | Northern-Copper Country League | , | ||
| Chick Brandom | brando001che | 1906 | no g. | Wichita Jobbers | Western Association | , | |
| Chick Brandom | brando001che | 1906 | 5/3- | Pittsburg/Vinita Champs | Kansas State League | , | |
| Chick Brandom | brando001che | 1906 | -9/9 | 33 g. | Independence Coyotes | Kansas State League | , |
| Kitty Brashear | brashe001nor | 1906 | 67 g. | Los Angeles Angels | Pacific Coast League | , | |
| Kitty Brashear | brashe001nor | 1906 | 6/4-7/19 | Johnstown Johnnies | Tri-State League | , | |
| Kitty Brashear | brashe001nor | 1906 | 7/21-9/15 | Altoona Mountaineers | Tri-State League | , | |
| Kitty Brashear | brashe001nor | 1906 | Los Angeles Angels | Pacific Coast League | , | ||
| Roy Brashear | brashe002roy | 1906 | 4/18-9/16 | Louisville Colonels | American Association | , | |
| Carl Braun | 1906 | 51 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Carl Braun | 1906 | Alexandria LA | Independent | , | |||
| Silver Braun | braun-005wil | 1906 | 5/2-9/8 | New Bedford Whalers | New England League | , | |
| Arthur Brayley | 1906 | 7/26 | Lowell Tigers | New England League | , | ||
| Otis Brazell | brazze001oti | 1906 | 9/1 | Little Rock Travelers | Southern Association | , | |
| Breckbill | 1906 | Mt. Pleasant PA | Independent | , | |||
| Edwin Breckenridge | brecke002edw | 1906 | Amherst College | College | , | ||
| Edwin Breckenridge | brecke002edw | 1906 | So Manchester | Independent | , | ||
| Herbert Bredenhagen | 1906 | +6/10+ | St.Paul-Austin | Independent | , | ||
| Herbert Bredenhagen | 1906 | +9/2+ | Hibbing MN | Independent | , | ||
| Frank Breed | 1906 | Umpire | Independent | , | |||
| James Breen | 1906 | Punxsutawney Policemen | Interstate League | , | |||
| Jimmie Breen | breen-002jam | 1906 | DuBois Miners | Interstate League | , | ||
| Richard Breen | 1906 | 9/6-9/21 | Youngstown Ohio Works | Ohio-Pennsylvania League | , | ||
| Bill Breitenstein | breite001wil | 1906 | 4/15-4/23 | Shreveport Pirates | Southern Association | , | |
| Bill Breitenstein | breite001wil | 1906 | 5/31-9/14 | Montgomery Senators | Southern Association | , | |
| Theodore Breitenstein | breite001the | 1906 | 4/12-9/15 | New Orleans Pelicans | Southern Association | , | |
| O. Brekke | 1906 | +7/30+ | Hillsboro ND | Independent | , | ||
| Frank Bremen | 1906 | 5/15-5/18+ | Kalamazoo White Sox | Southern Michigan League | , | ||
| Oscar Brenna | 1906 | 5/19-7/14+ | Winnipeg Maroons | Northern-Copper Country League | , | ||
| Edward Brennan | 1906 | +5/19- | 20 g. | San Antonio Bronchos | South Texas League | , | |
| Edward Brennan | 1906 | 6/22-6/30 | Temple Boll Weevils | Texas League | , | ||
| J. Edward Brennan | 1906 | 79 g. | Waterloo Microbes | Iowa League | , | ||
| John Brennan | brenna002joh | 1906 | 4/16-4/24 | Charleston Sea Gulls | South Atlantic League | , | |
| John Brennan | brenna002joh | 1906 | 5/8 | Macon Brigands | South Atlantic League | , | |
| John Brennan | brenna002joh | 1906 | 5/11 | Savannah Indians | South Atlantic League | , | |
| John Brennan | brenna002joh | 1906 | 7/7-7/11+ | 3 g. | Mobile Sea Gulls | Cotton States League | , |
| John Brennan | brenna002joh | 1906 | 7/24-8/18 | Sumter Game Cocks | South Carolina League | , | |
| John Brennan | brenna002joh | 1906 | 8/21 | Norfolk Tars | Virginia League | , | |
| John Brennan | brenna002joh | 1906 | 9/1-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| John Brennan | 1906 | no g. | Sioux City Packers | Western League | , | ||
| John Brennan | 1906 | 79 g. | Waterloo Microbes | Iowa League | , | ||
| William Brennan | brenna006wil | 1906 | 5/3 | Lowell Tigers | New England League | , | |
| William Brennan | brenna006wil | 1906 | Bennington VT | , | |||
| William Brennan | brenna006wil | 1906 | North Adams MA | Independent | , | ||
| William Brennan | 1906 | 5/4-6/20 | Umpire | Western Association | , | ||
| William Brennan | 1906 | Umpire | Western League | , | |||
| Brenner | 1906 | +6/13+ | Americus Pallbearers | Georgia State League | , | ||
| Brent | brent-007--- | 1906 | 5/24-9/4 | Waynesburg | Pennsylvania-Ohio-Maryland League | , | |
| Rube Bressler | bressl001har | 1906 | 5/1-8/23 | Williamsport Millionaires | Tri-State League | , | |
| Mike Breyette | breyet001mic | 1906 | 105 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Harry Breymaier | 1906 | 62 g. | Mansfield Giants | Ohio-Pennsylvania League | , | ||
| Edward Bridges | bridge001edw | 1906 | 4/26-9/3 | Norwich Reds | Connecticut State League | , | |
| Fred Bridges | bridge001fre | 1906 | 5/3-7/5 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Fred Bridges | bridge001fre | 1906 | 7/14-9/15 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Marvin Bridges | bridge002mar | 1906 | Wash. & Jefferson | College | , | ||
| Marvin Bridges | bridge002mar | 1906 | 5/26-9/14 | Washington | Pennsylvania-Ohio-Maryland League | , | |
| Al Bridwell | bridwe001alb | 1906 | Boston | National League | Boston, MA | ||
| Joseph Briger | 1906 | 5/18 | Albany Senators | New York State League | , | ||
| Joseph Briger | 1906 | 7/16 | Binghamton Bingoes | New York State League | , | ||
| Buttons Briggs | briggs001her | 1906 | , | ||||
| Joseph Briggs | briggs002jos | 1906 | 4/27-9/8 | Lawrence Colts | New England League | , | |
| Ollie Bright | bright008--- | 1906 | Emporia State U. | College | , | ||
| Ollie Bright | bright008--- | 1906 | +6/11-8/21+ | Chanute Browns | Kansas State League | , | |
| William Brinker | brinke001wil | 1906 | U. Washington | College | , | ||
| William Brinker | brinke001wil | 1906 | 4/18 | Indianapolis Indians | American Association | , | |
| William Brinker | brinke001wil | 1906 | 5/3-5/22 | Des Moines Champs | Western League | , | |
| William Brinker | brinke001wil | 1906 | 6/8-9/2 | Grays Harbor Lumbermen | Northwestern League | , | |
| Paul Brinson | 1906 | 9/3 | Augusta Tourists | South Atlantic League | , | ||
| Frank Brisbine | brisbi001fra | 1906 | 35 g. | New Castle Outlaws | Ohio-Pennsylvania League | , | |
| Frank Brisbine | brisbi001fra | 1906 | 6/8-6/12 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Frank Brisbine | brisbi001fra | 1906 | +6/28+ | Scottdale Pa | Independent | , | |
| Frank Brisbine | brisbi001fra | 1906 | 8/22-9/1 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Albert Briseno | brisen001alb | 1906 | Alameda | California State League | , | ||
| Albert Briseno | brisen001alb | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| Joseph Briskey | briske001jos | 1906 | 115 g. | Houston Buffaloes | South Texas League | , | |
| George Bristow | bristo002geo | 1906 | 5/17-7/18 | Spokane Indians | Northwestern League | , | |
| George Bristow | bristo002geo | 1906 | Coeur d’Alene | Independent | , | ||
| George Bristow | bristo002geo | 1906 | 8/23-9/3 | Umpire | Northwestern League | , | |
| Britis | 1906 | 5/16 | South McAlester Miners | South Central League | , | ||
| Arlington Britton | 1906 | Interstate League | , | ||||
| William Brittsan | britts001w-- | 1906 | 4/18-4/30 | Minneapolis Millers | American Association | , | |
| William Brittsan | britts001w-- | 1906 | 5/6-8/10 | Terre Haute Hottentots | Central League | , | |
| William Brittsan | britts001w-- | 1906 | 8/12-9/23 | Canton Chinamen | Central League | , | |
| Broadbent | 1906 | 7/9-7/11 | New Castle Outlaws | Ohio-Pennsylvania League | , | ||
| King Brockett | brocke001lew | 1906 | 4/30-9/22 | Buffalo Bisons | Eastern League | , | |
| Matt Broderick | broder001mat | 1906 | 5/25-6/2 | Altoona Mountaineers | Tri-State League | , | |
| Matt Broderick | broder001mat | 1906 | 6/13-8/17 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |
| Steve Brodie | brodie001wal | 1906 | 4/26-8/1 | Providence Grays | Eastern League | , | |
| Steve Brodie | brodie001wal | 1906 | 8/10-9/14 | Newark Sailors | Eastern League | , | |
| Brogan | 1906 | 8/28-8/29 | Waynesburg | Pennsylvania-Ohio-Maryland League | , | ||
| Jimmy Brogan | 1906 | 6/5-6/15 | Hartford Senators | Connecticut State League | , | ||
| Chas. Bronkie | 1906 | 5/6 | Newark Sailors | Eastern League | , | ||
| Chas. Bronkie | 1906 | 5/14-6/14 | Waterbury Authors | Connecticut State League | , | ||
| Chas. Bronkie | 1906 | 6/25-9/8 | Hartford Senators | Connecticut State League | , | ||
| Chas. Bronkie | 1906 | 9/13-9/15 | Newark Sailors | Eastern League | , | ||
| Virgil Brookbanks | 1906 | Cinc-Hubigs | Independent | , | |||
| Richard Brookins | 1906 | 118 g. | Green Bay Colts | Wisconsin State League | , | ||
| Brooks | 1906 | Norfolk Tars | Virginia League | , | |||
| Joseph Brophy | 1906 | 5/29-9/15 | Cumberland Rooters | Pennsylvania-Ohio-Maryland League | , | ||
| Frederick Broshard | brosha001f-- | 1906 | +7/18+ | Geneva | Empire State League | , | |
| Michael Brosius | 1906 | 4/29-5/30 | Evansville River Rats | Central League | , | ||
| Michael Brosius | 1906 | 6/3-9/13 | Terre Haute Hottentots | Central League | , | ||
| Art Brouthers | brouth001art | 1906 | 4/14-6/23 | Philadelphia | American League | Philadelphia, PA | |
| Art Brouthers | brouth001art | 1906 | 7/10-9/15 | New Orleans Pelicans | Southern Association | , | |
| Dan Brouthers | brouth001den | 1906 | Newburgh Hill Climbers | Hudson River League | , | ||
| Brown | 1906 | 7/24 | Muskogee Indians | South Central League | , | ||
| Brown | 1906 | +6/2-7/4+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Brown | 1906 | 9/8-9/23 | Terre Haute Hottentots | Central League | , | ||
| Brown | 1906 | 5/26 | Americus Pallbearers | Georgia State League | , | ||
| Brown | 1906 | 6/1 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Arthur Brown | brown-002art | 1906 | 4/26-9/21 | Newark Sailors | Eastern League | , | |
| Bob Brown | brown-027rob | 1906 | 4/28-9/3 | Grays Harbor Lumbermen | Northwestern League | , | |
| Buster Brown | brown-008cha | 1906 | 32 g. | St. Louis | National League | St. Louis, MO | |
| Charles Brown | brown-014cha | 1906 | 114 g. | New Castle Outlaws | Ohio-Pennsylvania League | , | |
| Charles Brown | brown-014cha | 1906 | Lancaster Lanks | Ohio-Pennsylvania League | , | ||
| Delmar Brown | 1906 | 7/7-9/17 | Wilkes-Barre Barons | New York State League | , | ||
| Dick Brown | brown-001ric | 1906 | +5/6-7/18+ | Pittsburg/Vinita Champs | Kansas State League | , | |
| Dick Brown | brown-001ric | 1906 | 7/20-8/2 | St. Joseph Packers/Hutchinson Salt Packers | Western Association | , | |
| Ed Brown | 1906 | 5/14-5/18 | Mansfield Giants | Ohio-Pennsylvania League | , | ||
| Ed Brown | 1906 | 32 g. | Jacksonville Jacks | Kentucky-Illinois-Tennessee League | , | ||
| Fred Brown | brown-004fre | 1906 | 5/3- | Haverhill Hustlers | New England League | , | |
| Fred Brown | brown-004fre | 1906 | -6/22 | Lowell Tigers | New England League | , | |
| Fred Brown | brown-005fre | 1906 | Sacramento Cordovas | California League | , | ||
| Fred Brown | brown-005fre | 1906 | San Francisco Seals | Pacific Coast League | , | ||
| Gideon Brown | brown-001gid | 1906 | 9/9 | Providence Grays | Eastern League | , | |
| Harry Brown | 1906 | 4/26-8/15 | Roanoke Tigers | Virginia League | , | ||
| Harry Brown | 1906 | 8/30-9/8 | Richmond Colts | Virginia League | , | ||
| James Brown | brown-003jam | 1906 | 4/21-6/11 | Memphis Egyptians | Southern Association | , | |
| James Brown | brown-003jam | 1906 | 6/26-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| John Brown | 1906 | San Francisco Seals | Pacific Coast League | , | |||
| John Brown | 1906 | 118 g. | Meridian Ribboners | Cotton States League | , | ||
| Joseph Brown | brown-009jos | 1906 | 4/28-5/4 | New Bedford Whalers | New England League | , | |
| Loren Brown | brown-001lor | 1906 | 5/11-5/12 | St. Joseph Packers/Hutchinson Salt Packers | Western Association | , | |
| Loren Brown | brown-001lor | 1906 | 5/26-7/20 | Guthrie Senators | South Central League | , | |
| Loren Brown | brown-001lor | 1906 | +7/25-8/2 | Tulsa Oilers | South Central League | , | |
| Nicol Brown | brown-001dru | 1906 | 5/3- | 62 g. | Independence Coyotes | Kansas State League | , |
| Rollo Brown | brown-003rol | 1906 | 110 g. | Marshalltown Brownies | Iowa League | , | |
| Sam Brown | brown-003sam | 1906 | 4/21- | 71 g. | Boston | National League | Boston, MA |
| Stub Brown | brown-001stu | 1906 | 5/30-7/13 | Cumberland Rooters | Pennsylvania-Ohio-Maryland League | , | |
| Stub Brown | brown-001stu | 1906 | +9/8+ | Balt.-Stars | Independent | , | |
| Tom Brown | brown-012tho | 1906 | 4/25-9/14 | Umpire | Tri-State League | , | |
| Tom Brown | brown-012tho | 1906 | 9/15 | Williamsport Millionaires | Tri-State League | , | |
| W. J. Brown | 1906 | Punxsutawney Policemen | Interstate League | , | |||
| W. J. Brown | 1906 | 7/11 | Atlanta Crackers | Southern Association | , | ||
| W. John Brown | 1906 | 4/19-9/3 | Meridian Ribboners | Cotton States League | , | ||
| Walter Brown | brown-001wal | 1906 | 4/30-5/2 | Austin Senators | South Texas League | , | |
| Frank Browning | browni001fra | 1906 | +5/4-5/25+ | Shawnee Blues | South Central League | , | |
| Frank Browning | browni001fra | 1906 | 6/3-9/2 | Waco Navigators | Texas League | , | |
| Lou Bruce | bruce-001lou | 1906 | 4/19 | Indianapolis Indians | American Association | , | |
| Lou Bruce | bruce-001lou | 1906 | 4/20-5/22 | Columbus Senators | American Association | , | |
| Lou Bruce | bruce-001lou | 1906 | +7/11-8/9+ | Rutland | Northern Independent League | , | |
| Andy Bruckmiller | bruckm001and | 1906 | Dallas Giants | Texas League | , | ||
| Frank Bruggeman | brugge001fra | 1906 | 5/4- | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | |
| Frank Bruggeman | brugge001fra | 1906 | 52 g. | Ottumwa Champs | Iowa League | , | |
| Claude Brumley | 1906 | Corbin KS | Independent | , | |||
| Will Bruner | bruner003wil | 1906 | 43 g. | Meridian Ribboners | Cotton States League | , | |
| Will Bruner | bruner003wil | 1906 | 9/15 | Birmingham Barons | Southern Association | , | |
| Brunnell | 1906 | +8/9+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Brunnell | 1906 | +8/9+ | Battle Creek Crickets | Southern Michigan League | , | ||
| J. W. Brunson | 1906 | 8/17 | Manning | South Carolina League | , | ||
| Ed Bruyette | bruyet001edw | 1906 | 8/4-9/3 | Spokane Indians | Northwestern League | , | |
| Henry Bryant | bryant001low | 1906 | 5/2 | Vicksburg Hill Billies | Cotton States League | , | |
| Henry Bryant | bryant001low | 1906 | 5/7-9/4 | Gulfport Crabs | Cotton States League | , | |
| George Bubser | bubser001geo | 1906 | +5/11-5/30+ | Green Bay Colts | Wisconsin State League | , | |
| George Bubser | bubser001geo | 1906 | +8/12-9/19+ | La Crosse Pinks | Wisconsin State League | , | |
| Frank Buchanan | buchan001fra | 1906 | 5/3-5/17 | Valdosta Stars | Georgia State League | , | |
| Jim Buchanan | buchan002jam | 1906 | 4/23-7/16 | St. Paul Saints | American Association | , | |
| Jim Buchanan | buchan002jam | 1906 | 15 g. | Nashville Volunteers | Southern Association | , | |
| Howard Buck | 1906 | Adrian High School | High School | , | |||
| Howard Buck | 1906 | Milford MI | Independent | , | |||
| Howard Buck | 1906 | +7/1-7/11+ | Jackson Convicts | Southern Michigan League | , | ||
| Al Buckenberger | bucken001al- | 1906 | 4/26-9/23 | Rochester Bronchos | Eastern League | , | |
| Fred Buckholz | 1906 | 44 g. | Mansfield Giants | Ohio-Pennsylvania League | , | ||
| Buckley | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Buckley | 1906 | 6/15-6/29 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Howard Buckley | buckle001how | 1906 | 5/1-6/14 | Norwich Reds | Connecticut State League | , | |
| William Buckley | 1906 | 4/11-8/8 | Umpire | Southern Association | , | ||
| William Buckley | 1906 | Umpire | Texas League | , | |||
| Percy Buckwalter | buckwa001per | 1906 | +6/10+ | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | |
| Charlie Buelow | buelow001cha | 1906 | 5/3-9/16 | Peoria Distillers | Illinois-Indiana-Iowa League | , | |
| Fritz Buelow | buelow001fre | 1906 | 34 g. | Cleveland | American League | Cleveland, OH | |
| Albert Buemiller | 1906 | 125 g. | Keokuk Indians | Iowa League | , | ||
| Jack Bufka | bufka-001joh | 1906 | 72 g. | Calumet Aristocrats | Northern-Copper Country League | , | |
| John Bunton | bunton001joh | 1906 | +5/3+ | 31 g. | Houston Buffaloes | South Texas League | , |
| John Bunton | bunton001joh | 1906 | Beaumont Oilers | South Texas League | , | ||
| John Bunyan | bunyan001joh | 1906 | 4/26-9/7 | New Haven Blues | Connecticut State League | , | |
| Al Burch | burch-001alb | 1906 | 4/25-6/16 | Altoona Mountaineers | Tri-State League | , | |
| Al Burch | burch-001alb | 1906 | 6/19- | 91 g. | St. Louis | National League | St. Louis, MO |
| Lyman Burch | burch-001l-- | 1906 | 55 g. | Keokuk Indians | Iowa League | , | |
| Fred Burchell | burche001fre | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| O. N. Burden | 1906 | , | |||||
| O. N. Burden | 1906 | Macon Brigands | South Atlantic League | , | |||
| O. N. Burden | 1906 | +5/31-6/27+ | Valdosta Stars | Georgia State League | , | ||
| Clyde Burdette | 1906 | Havana IL | Independent | , | |||
| Clyde Burdette | 1906 | 20 g. | Jacksonville Jacks | Kentucky-Illinois-Tennessee League | , | ||
| Joe Burg | burg--001jos | 1906 | 5/3-9/16 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Peter Burg | burg--001pet | 1906 | 5/3-9/16 | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | |
| Samuel Burgess | 1906 | McPherson KS | Independent | , | |||
| Burke | 1906 | 5/16-5/20 | Wichita Jobbers | Western Association | , | ||
| Burke | 1906 | +5/30-6/3 | Guthrie Senators | South Central League | , | ||
| Burke | 1906 | 6/7-6/12 | Roanoke Tigers | Virginia League | , | ||
| Bartholomew Burke | 1906 | San Francisco Seals | Pacific Coast League | , | |||
| Bartholomew Burke | 1906 | Oakland Oaks | Pacific Coast League | , | |||
| Frank Burke | burke-002fra | 1906 | 4/26-9/8 | New Haven Blues | Connecticut State League | , | |
| Frank Burke | burke-002fra | 1906 | 9/14- | 8 g. | New York | National League | New York, NY |
| Frank Burke | burke-008fra | 1906 | 7/2-7/21 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Frank Burke | burke-008fra | 1906 | 7/24- | 83 g. | New Castle Outlaws | Ohio-Pennsylvania League | , |
| Frank Burke | burke-008fra | 1906 | Akron Rubbernecks | Ohio-Pennsylvania League | , | ||
| Jack Burke | 1906 | 6/22-9/3 | San Antonio Bronchos | South Texas League | , | ||
| Jimmy Burke | burke-004jam | 1906 | 4/18-9/16 | Kansas City Blues | American Association | , | |
| Joe Burke | 1906 | Umpire | Cotton States League | , | |||
| John Burke | burke-004joh | 1906 | 6/20-6/25 | Newark Sailors | Eastern League | , | |
| John Burke | burke-004joh | 1906 | 7/17-9/20 | Montreal Royals | Eastern League | , | |
| Johnny Burke | 1906 | 5/17-6/6 | Springfield Ponies | Connecticut State League | , | ||
| Patrick Burke | burke-001pat | 1906 | Newburgh Hill Climbers | Hudson River League | , | ||
| Thomas Burke | 1906 | 4/27-8/9 | Lynn Shoemakers | New England League | , | ||
| Jesse Burkett | burket001jes | 1906 | 5/2-9/9 | Worcester Busters | New England League | , | |
| Oscar Burkett | 1906 | 5/25-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Luther Burleson | burles002lut | 1906 | Baylor Univ. | College | , | ||
| Luther Burleson | burles002lut | 1906 | 4/25-6/30 | Dallas Giants | Texas League | , | |
| Fred Burnam | burnam001fre | 1906 | 4/28 | Atlanta Crackers | Southern Association | , | |
| Fred Burnam | burnam001fre | 1906 | 6/12-6/23 | Atlanta Crackers | Southern Association | , | |
| Fred Burnam | burnam001fre | 1906 | 6/29-7/10 | Montgomery Senators | Southern Association | , | |
| William Burnett | 1906 | +5/19+ | Kalamazoo White Sox | Southern Michigan League | , | ||
| William Burnett | 1906 | 40 g. | Waterloo Microbes | Iowa League | , | ||
| Walter Burnham | burnha002wal | 1906 | 4/27-9/23 | Newark Sailors | Eastern League | , | |
| Burns | 1906 | 4/27-5/19 | Dayton Veterans | Central League | , | ||
| Biddy Burns | 1906 | +5/18-5/24+ | Kalamazoo White Sox | Southern Michigan League | , | ||
| Bill Burns | burns-006wil | 1906 | 36 g. | Los Angeles Angels | Pacific Coast League | , | |
| Edward Burns | burns-001edw | 1906 | +7/2-8/23+ | Montpelier-Barre | Northern Independent | , | |
| Gene Burns | burns-001eug | 1906 | 4/27-5/16 | Waco Navigators | Texas League | , | |
| Jack Burns | burns-007joh | 1906 | 4/18-5/25 | Indianapolis Indians | American Association | , | |
| Jack Burns | burns-007joh | 1906 | 7/30-9/8 | Lowell Tigers | New England League | , | |
| James Burns | 1906 | 7/13-9/8 | Springfield Ponies | Connecticut State League | , | ||
| John Burns | burns-001joh | 1906 | 5/24-6/16 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| John Burns | burns-001joh | 1906 | 7/13-7/25 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| John Burns | burns-001joh | 1906 | 8/4-9/25 | Dayton Veterans | Central League | , | |
| William Burns | burns-001wil | 1906 | 5/3-6/3 | Pittsburg/Vinita Champs | Kansas State League | , | |
| William Burns | burns-001wil | 1906 | 6/4-7/4 | Pittsburg/Vinita Champs | Kansas State League | , | |
| William Burns | burns-001wil | 1906 | +7/18-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| William Burns | burns-001wil | 1906 | 9/13-9/21 | Oklahoma City Mets | Western Association | , | |
| Burow | 1906 | 52 g. | Danville Old Soldiers | Kentucky-Illinois-Tennessee League | , | ||
| Frank Burrell | burrel001bus | 1906 | 4/28- | New Bedford Whalers | New England League | , | |
| Frank Burrell | burrel001bus | 1906 | -9/8 | Lowell Tigers | New England League | , | |
| Lennius Burrell | burrel001len | 1906 | 4/26-9/22 | Rochester Bronchos | Eastern League | , | |
| William Burroughs | 1906 | , | |||||
| Frank Burson | burson001fra | 1906 | 21 g. | Vincennes Alices | Kentucky-Illinois-Tennessee League | , | |
| Danny Burt | burt--001dan | 1906 | 4/19-9/3 | Columbia Gamecocks | South Atlantic League | , | |
| Edward Burton | 1906 | +8/23+ | Montpelier-Barre | Northern Independent | , | ||
| Edward Burton | 1906 | 8/29-9/7 | Lynn Shoemakers | New England League | , | ||
| Harry Burton | burton007--- | 1906 | +7/25+ | Anac-Old Timers | Independent | , | |
| Harry Burton | 1906 | Burlington | Northern Independent League | , | |||
| Harry Burton | 1906 | 9/18-9/22 | Wilkes-Barre Barons | New York State League | , | ||
| Earl Burwell | burwel001ear | 1906 | Brookings SD | Independent | , | ||
| Byrd Busby | 1906 | Memp.- | City League | , | |||
| Byrd Busby | 1906 | 25 g. | Gulfport Crabs | Cotton States League | , | ||
| Henry Busch | busch-001hen | 1906 | 4/18-9/15 | Montgomery Senators | Southern Association | , | |
| Donie Bush | bush--001owe | 1906 | 5/3-6/5+ | Marion | Interstate Association | , | |
| Donie Bush | bush--001owe | 1906 | Zanesville/Marion Moguls | Ohio-Pennsylvania League | , | ||
| Donie Bush | bush--001owe | 1906 | +7/22-7/28+ | Saginaw | Southern Michigan League | , | |
| Donie Bush | bush--001owe | 1906 | +8/5-9/25 | Dayton Veterans | Central League | , | |
| G. C. Bush | 1906 | Umpire | Kentucky-Illinois-Tennessee League | , | |||
| Jack Bushelman | bushel001joh | 1906 | 5/4 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Jack Bushelman | bushel001joh | 1906 | 5/19-7/28 | Grand Forks Forkers | Northern-Copper Country League | , | |
| Jack Bushelman | bushel001joh | 1906 | 7/31-9/3 | Winnipeg Maroons | Northern-Copper Country League | , | |
| Alfred Bushey | bushey001alf | 1906 | 5/1-9/8 | Worcester Busters | New England League | , | |
| Harvey Bussey | bussey002har | 1906 | +6/9+ | Bradford Drillers | Interstate League | , | |
| Butchart | butcha000--- | 1906 | 4/8-9/16 | Seat.-Electrics | Independent | , | |
| Ike Butler | butler001isa | 1906 | 4/28-9/3 | Tacoma Tigers | Northwestern League | , | |
| John Butler | butler002joh | 1906 | 5/11-9/22 | Jersey City Skeeters | Eastern League | , | |
| John Butler | butler002joh | 1906 | 1 g. | Brooklyn | National League | Brooklyn, NY | |
| Kid Butler | butler007wil | 1906 | 134 g. | Akron Rubbernecks | Ohio-Pennsylvania League | , | |
| Will Butler | butler004wil | 1906 | +5/13-6/30 | Temple Boll Weevils | Texas League | , | |
| Will Butler | butler004wil | 1906 | +8/2+ | Dallas Giants | Texas League | , | |
| Edward Butman | butman001edw | 1906 | 8/14-9/3 | Haverhill Hustlers | New England League | , | |
| John Buttermore | butter001joh | 1906 | Umpire | Pennsylvania-Ohio-Maryland League | , | ||
| Bill Byers | byers-002jam | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| Herbert Byram | 1906 | Princeton Univ. | College | , | |||
| Bobby Byrne | byrne-003rob | 1906 | 4/12-9/1 | Shreveport Pirates | Southern Association | , | |
| Jim Byrnes | byrnes002jam | 1906 | 4/19-10/3 | Philadelphia | American League | Philadelphia, PA | |
| Jim Byrnes | byrnes002jam | 1906 | Oakland Oaks | Pacific Coast League | , | ||
| Byron | 1906 | 7/23 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| William Byron | 1906 | Umpire | Northern Michigan League | , | |||
| William Byron | 1906 | 8/2-9/3 | Umpire | South Atlantic League | , | ||
| Cadiz | 1906 | +8/11+ | B&O | Independent | , | ||
| Ben Caffyn | caffyn001ben | 1906 | 5/2- | 97 g. | Des Moines Champs | Western League | , |
| Ben Caffyn | caffyn001ben | 1906 | 8/21-10/7 | Cleveland | American League | Cleveland, OH | |
| S. Calderhead | calder000s-- | 1906 | +6/3+ | Basin MT | Independent | , | |
| Evelyn Califf | califf001elm | 1906 | 62 g. | Portland Beavers | Pacific Coast League | , | |
| Jack Callahan | callah025--- | 1906 | 16 g. | Bridgeport Orators | Connecticut State League | , | |
| Jack Cameron | camero001joh | 1906 | 9/13-10/5 | Boston | National League | Boston, MA | |
| A. B. Campbell | 1906 | Oswego | Empire State League | , | |||
| Bill Campbell | campbe001wil | 1906 | 4/28-9/3 | Grays Harbor Lumbermen | Northwestern League | , | |
| Billy Campbell | campbe004wil | 1906 | 6/22-9/15 | Harrisburg Senators | Tri-State League | , | |
| Jack Campbell | campbe005jac | 1906 | 8/27-9/3 | New Bedford Whalers | New England League | , | |
| Thomas Campbell | campbe002tho | 1906 | +5/9-6/26 | Bartlesville Indians | Kansas State League | , | |
| Jim Canavan | canava001jim | 1906 | 5/3-9/3 | New Bedford Whalers | New England League | , | |
| Joe Cantillon | cantil001jos | 1906 | 4/18-9/17 | Milwaukee Brewers | American Association | , | |
| Fred Carisch | carisc001fre | 1906 | 5/19-8/30 | Rochester Bronchos | Eastern League | , | |
| John Carolan | 1906 | 6/22 | Worcester Busters | New England League | , | ||
| William Carpenter | 1906 | 146 g. | MLB Umpire | National League | , | ||
| John Carr | carr--003joh | 1906 | 7/17-8/19 | Springfield Babes | Central League | , | |
| Bill Carrick | carric001wil | 1906 | 4/26-9/19 | Newark Sailors | Eastern League | , | |
| Bill Carrigan | carrig001wil | 1906 | Holy Cross Col. | College | , | ||
| Bill Carrigan | carrig001wil | 1906 | Rutland | Northern Independent League | , | ||
| Bill Carrigan | carrig001wil | 1906 | 7/7- | 37 g. | Boston | American League | Boston, MA |
| Frank Carriveau | carriv001fra | 1906 | 6/25-7/15 | South Bend Greens | Central League | , | |
| Frank Carriveau | carriv001fra | 1906 | 8/9-8/12 | Wilkes-Barre Barons | New York State League | , | |
| Frank Carroll | carrol001fra | 1906 | Burlington | Northern Independent League | , | ||
| Frank Carroll | carrol001fra | 1906 | 9/13-9/15 | Wilkes-Barre Barons | New York State League | , | |
| Andy Carson | 1906 | 7/16-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Thomas Carson | carson002tho | 1906 | 31 g. | Portland Beavers | Pacific Coast League | , | |
| Bobby Carter | carter003rob | 1906 | 5/2- | 90 g. | Omaha Rourkes | Western League | , |
| Bobby Carter | carter003rob | 1906 | 8/16-9/15 | Memphis Egyptians | Southern Association | , | |
| Bob Caruthers | caruth001bob | 1906 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Chick Carven | 1906 | +5/23+ | Cleary Business | College | , | ||
| Charlie Case | case--001cha | 1906 | 6/7-9/21 | Rochester Bronchos | Eastern League | , | |
| James Casey | casey-002jam | 1906 | 149 g. | Brooklyn | National League | Brooklyn, NY | |
| Joe Casey | casey-002jos | 1906-09 | Boston College | College | , | ||
| Harry Cassady | cassad001har | 1906 | 4/18-9/16 | Kansas City Blues | American Association | , | |
| Benny Cassidy | cassid001ber | 1906 | 4/27-5/24 | Fall River Indians | New England League | , | |
| F. Cassidy | 1906 | 5/3-6/28+ | Coffeyville Bricks | Kansas State League | , | ||
| F. Cassidy | 1906 | 5/3-6/28+ | Coffeyville Bricks | Kansas State League | , | ||
| Michael Cassidy | cassid002mic | 1906 | 4/19 | Macon Brigands | South Atlantic League | , | |
| Benjamin Castle | castle001ben | 1906 | 4/29-8/10 | Canton Chinamen | Central League | , | |
| Benjamin Castle | castle001ben | 1906 | 8/12-9/23 | Terre Haute Hottentots | Central League | , | |
| John Castle | castle001joh | 1906 | 4/26-9/8 | Bridgeport Orators | Connecticut State League | , | |
| Lou Castro | castro001lou | 1906 | 8/21-9/15 | Birmingham Barons | Southern Association | , | |
| James Catiz | 1906 | 7/14-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| James Catiz | 1906 | +9/1+ | Balt.-B&O | Independent | , | ||
| Mike Cavanaugh | 1906 | Buff.-Pastimes | Independent | , | |||
| Chet Chadbourne | chadbo001che | 1906 | 5/14-9/7 | Worcester Busters | New England League | , | |
| Chet Chadbourne | chadbo001che | 1906 | 9/17- | 11 g. | Boston | American League | Boston, MA |
| Mark Chaffee | 1906 | +6/7-7/6+ | Mount Clemens Bathers | Southern Michigan League | , | ||
| Brownie Chamberlain | chambe001c-- | 1906 | Douglas Ariz | Independent | , | ||
| Boyd Chambers | 1906 | 5/26- | 27 g. | Springfield Babes | Central League | , | |
| Robert Chandler | chandl002rob | 1906 | 4/16-9/3 | Macon Brigands | South Atlantic League | , | |
| Wilson Charles | charle001wil | 1906 | 31 g. | Green Bay Colts | Wisconsin State League | , | |
| Wilson Charles | 1906 | 31 g. | Green Bay Colts | Wisconsin State League | , | ||
| J. C. Chase | 1906 | Boone/Clinton Miners | Iowa League | , | |||
| Laurence Cheney | cheney001lau | 1906 | 5/4-6/17 | Bartlesville Indians | Kansas State League | , | |
| Laurence Cheney | cheney001lau | 1906 | 7/25- | 26 g, | Bartlesville Indians | Kansas State League | , |
| Joseph Chevalier | 1906 | 3 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Joseph Chevalier | 1906 | 3 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Bruce Chilcott | 1906 | Phil.-Professionals | Independent | , | |||
| John Christian | christ003j-- | 1906 | 6/21-8/29 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Bill Clancy | clancy002wil | 1906 | 4/26-9/22 | Rochester Bronchos | Eastern League | , | |
| Charles Clancy | clancy001cha | 1906 | 5/12 | New Bedford Whalers | New England League | , | |
| Charles Clancy | clancy001cha | 1906 | 5/31 | New Haven Blues | Connecticut State League | , | |
| Clark | 1906 | 7/11 | Binghamton Bingoes | New York State League | , | ||
| Dick Clark | clark-001ric | 1906 | 5/1 | Houston Buffaloes | South Texas League | , | |
| Ginger Clark | clark-006har | 1906 | 4/12-9/3 | Birmingham Barons | Southern Association | , | |
| Harry Clark | clark-004har | 1906 | 4/18-9/16 | Milwaukee Brewers | American Association | , | |
| John Clark | clark-001jl- | 1906 | 5/19-8/30 | Macon Brigands | South Atlantic League | , | |
| Leroy Clark | clark-001ler | 1906 | 4/28-9/25 | Springfield Babes | Central League | , | |
| Talton Clark | clark-001tal | 1906 | 5/15-8/26+ | Bartlesville Indians | Kansas State League | , | |
| Jefferson Clarke | 1906 | 45 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Bill Clay | clay--002fre | 1906 | 4/25-7/11 | York Penn Parks | Tri-State League | , | |
| Bill Clay | clay--002fre | 1906 | 7/12-7/18 | Harrisburg Senators | Tri-State League | , | |
| Bill Clay | clay--002fre | 1906 | 7/24-9/15 | York Penn Parks | Tri-State League | , | |
| Clayton | 1906 | 7/14-7/31 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Clayton | 1906 | +8/4+ | Balt.-Stars | Independent | , | ||
| William Clayton | clayto001wil | 1906 | 118 g. | Houston Buffaloes | South Texas League | , | |
| James Cleary | cleary001jam | 1906 | 4/26-7/10 | Rochester Bronchos | Eastern League | , | |
| James Cleary | cleary001jam | 1906 | 8/17-9/19 | Rochester Bronchos | Eastern League | , | |
| Ben Clegg | clegg-001ben | 1906 | Louisv.-Glenwoods | Independent | , | ||
| Jesse Clifton | 1906 | 5/5-5/6 | Coffeyville Bricks | Kansas State League | , | ||
| Roland Clifton | 1906 | 5/8 | Coffeyville Bricks | Kansas State League | , | ||
| Cline | 1906 | 7/14-7/16 | Binghamton Bingoes | New York State League | , | ||
| Billy Clingman | clingm001wil | 1906 | 6/30-9/15 | Toledo Mud Hens | American Association | , | |
| Bill Clymer | clymer001wil | 1906 | 6/10-9/15 | Columbus Senators | American Association | , | |
| Cobb | 1906 | +5/4-6/17+ | Shawnee Blues | South Central League | , | ||
| John Cocash | 1906 | +6/28-8/6+ | Mount Clemens Bathers | Southern Michigan League | , | ||
| Henry Coffin | 1906 | 8/29-9/7 | New Bedford Whalers | New England League | , | ||
| Coggins | coggin008--- | 1906 | 7/18-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Curtis Coleman | 1906 | Portland Beavers | Pacific Coast League | , | |||
| Edward Colligan | collig001edw | 1906 | St. Bonaventure | College | , | ||
| Collins | 1906 | Springfield Babes | Central League | , | |||
| Collins | 1906 | 5/13 | Bartlesville Indians | Kansas State League | , | ||
| Hugh Collins | collin001h-- | 1906 | 9/1-9/22 | Springfield Babes | Central League | , | |
| Joseph Collins | collin002jos | 1906 | 4/27-9/25 | Springfield Babes | Central League | , | |
| Bunk Congalton | congal001wil | 1906 | 117 g. | Cleveland | American League | Cleveland, OH | |
| Bert Conn | conn--001alb | 1906 | 4/25-9/15 | York Penn Parks | Tri-State League | , | |
| Bert Conn | conn--001alb | 1906 | Long Branch NJ | Independent | , | ||
| Frank Connaughton | connau001fra | 1906 | -10/5 | 12 g. | Boston | National League | Boston, MA |
| Jerry Connell | connel001jer | 1906 | 4/26-9/8 | New Haven Blues | Connecticut State League | , | |
| D. B. Connett | connet001d-- | 1906 | Macon Brigands | South Atlantic League | , | ||
| Thomas Connor | 1906 | - 7/19 | 81 g. | MLB Umpire | American League | , | |
| Connors | connor002joh | 1906 | +4/30-9/23 | South Bend Greens | Central League | , | |
| Bill Connors | connor001wil | 1906 | 5/3-9/16 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Bill Connors | connor002wil | 1906 | 4/27- | Lynn Shoemakers | New England League | , | |
| Bill Connors | connor002wil | 1906 | -9/4 | Worcester Busters | New England League | , | |
| Ed Connors | connor002edw | 1906 | 5/10-8/12 | Wilkes-Barre Barons | New York State League | , | |
| Ed Connors | connor018--- | 1906 | 29 g. | Green Bay Colts | Wisconsin State League | , | |
| John Conway | 1906 | 4/12-10/4 | MLB Umpire | National League | , | ||
| Dan Coogan | coogan003dan | 1906 | 7/27-9/22 | Wilkes-Barre Barons | New York State League | , | |
| William Cooley | cooley001wil | 1906 | +8/3-9/13+ | South Bend Greens | Central League | , | |
| Bill Cooney | cooney001wil | 1906 | 8/22 | Lowell Tigers | New England League | , | |
| Lester Coons | coons-001l-- | 1906 | no g. | Marshalltown Brownies | Iowa League | , | |
| Ike Cooper | 1906 | +5/22-7/19+ | Shawnee Blues | South Central League | , | ||
| Ike, Cooper | 1906 | 5/2-7/19 | Shawnee Blues | South Central League | , | ||
| Coos | 1906 | 7 g. | South Bend Greens | Central League | , | ||
| Edward Corbin | corbin000edd | 1906 | 6/14-6/17 | Butte Miners | Northwestern League | , | |
| Corcoran | 1906 | 9/13-9/15 | Binghamton Bingoes | New York State League | , | ||
| Mickey Corcoran | corcor001mic | 1906 | 5/11-9/22 | Buffalo Bisons | Eastern League | , | |
| Phil Corcoran | corcor001phi | 1906 | 4/28-9/7 | New Haven Blues | Connecticut State League | , | |
| Robert Corkill | corkil001rob | 1906 | 116 g. | Marshalltown Brownies | Iowa League | , | |
| Harry Cornen | cornen001har | 1906 | 4/27-9/8 | Bridgeport Orators | Connecticut State League | , | |
| Thomas Cosgrove | cosgro001tho | 1906 | 5/24- | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| George Coss | 1906 | 7/29-8/13 | South Bend Greens | Central League | , | ||
| John Coughlin | coughl001joh | 1906 | 4/26-6/8 | Bridgeport Orators | Connecticut State League | , | |
| Bob Coulson | coulso002rob | 1906 | 8/6-8/31 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Bob Coulson | coulso002rob | 1906 | Penn State Univ. | College | , | ||
| Jack Coveney | covene001joh | 1906 | 4/27-9/7 | New Bedford Whalers | New England League | , | |
| Claud Coverdale | 1906 | 5/17- | Chanute Browns | Kansas State League | , | ||
| Claud Coverdale | 1906 | +5/28-6/27+ | Coffeyville Bricks | Kansas State League | , | ||
| Bert Coy | coy---001ber | 1906 | 4/18-9/17 | St. Paul Saints | American Association | , | |
| George Crable | crable001geo | 1906 | 5/2-5/20 | Butte Miners | Northwestern League | , | |
| Harry Craig | 1906 | 6/14-7/19 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Ralph Craig | craig-001ral | 1906 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| James Crangle | crangl001jam | 1906 | +5/21-7/19+ | 17 g, | Boone/Clinton Miners | Iowa League | , |
| Bill Cranston | cranst001wil | 1906 | 5/11 | Syracuse Stars | New York State League | , | |
| Bill Cranston | cranst001wil | 1906 | Erie Sailors | Interstate League | , | ||
| R. J. Cranston | 1906 | 5/5-6/28+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Cratty | 1906 | 8/18 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Forrest Crawford | crawfo001for | 1906 | 85 g. | Houston Buffaloes | South Texas League | , | |
| Birdie Cree | cree--001wil | 1906 | +5/29+ | Penn State Univ. | College | , | |
| Birdie Cree | cree--001wil | 1906 | +7/20-8/23+ | Burlington | Northern Independent League | , | |
| Chester Crews | 1906 | 5/4 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Leslie Crichlow | 1906 | 20 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Leslie Crichlow | 1906 | 20 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Charles Crist | crist-000cha | 1906 | Burlington Pathfinders | Iowa League | , | ||
| Bill Cristall | crista001wil | 1906 | 5/9-6/5 | Harrisburg Senators | Tri-State League | , | |
| Bill Cristall | crista001wil | 1906 | 6/8-6/20 | Williamsport Millionaires | Tri-State League | , | |
| Bill Cristall | crista001wil | 1906 | 44 g. | Scranton Miners | New York State League | , | |
| Cross | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Cross | 1906 | +6/25-6/28 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| H. C. Cross | 1906 | 18 g. | Boone/Clinton Miners | Iowa League | , | ||
| Crossman | 1906 | 7/5 | Wilkes-Barre Barons | New York State League | , | ||
| Charles Crouch | 1906 | 5/10-7/16+ | Chanute Browns | Kansas State League | , | ||
| Charles Crouch | 1906 | +8/5+ | 26 g. | Bartlesville Indians | Kansas State League | , | |
| Leo Croughn | crough001--- | 1906 | 8/4-8/7 | Wilkes-Barre Barons | New York State League | , | |
| Edward Crowder | crowde001ned | 1906 | 4/16-5/12 | Macon Brigands | South Atlantic League | , | |
| Walter Crum | crum--001wal | 1906 | 5/28-6/14 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Louis Crutcher | 1906 | 5/7-5/18 | Kansas City Blues | American Association | , | ||
| Louis Crutcher | 1906 | 7/16-9/16 | Kansas City Blues | American Association | , | ||
| Richard Crutcher | 1906 | 5/7-5/18 | Kansas City Blues | American Association | , | ||
| H. A. Culbertson | 1906 | 5/24-6/2 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Roscoe Cummings | cummin001ros | 1906 | 62 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Jacob Cuppy | cuppy-001jac | 1906 | 8 g. | Green Bay Colts | Wisconsin State League | , | |
| Clarence Currie | currie001cla | 1906 | 7/7-9/19 | Buffalo Bisons | Eastern League | , | |
| Thomas Curtin | curtin001tho | 1906 | DuBois Miners | Interstate League | , | ||
| Curtis | 1906 | 5/14-5/17 | Macon Brigands | South Atlantic League | , | ||
| Cliff Curtis | curtis001cli | 1906 | 4/20-9/12 | Milwaukee Brewers | American Association | , | |
| Gene Curtis | curtis002eug | 1906 | 5/14-5/17 | Macon Brigands | South Atlantic League | , | |
| Harry Curtis | curtis001har | 1906 | Bradford Drillers | Interstate League | , | ||
| Harvey Cushman | cushma001har | 1906 | 5/24-5/30 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Thomas Cuthbert | 1906 | Burlington | Northern Independent League | , | |||
| George Dailey | 1906 | 5/24-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| George Dailey | 1906 | 7/14-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Arthur Daley | 1906 | Montpelier-Barre | Northern Independent | , | |||
| James Daley | 1906 | 5/24-5/26 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Thomas Daley | 1906 | 118 g. | Burlington Pathfinders | Iowa League | , | ||
| Tom Daley | daley-001tho | 1906 | 118 g. | Burlington Pathfinders | Iowa League | , | |
| Bert Daly | daly--001alb | 1906 | 4/26-6/28 | Hartford Senators | Connecticut State League | , | |
| Bill Dammann | damman001bil | 1906 | 5/14 | Topeka White Sox | Western Association | , | |
| Bill Dammann | damman001bil | 1906 | 5/21-6/9 | Wichita Jobbers | Western Association | , | |
| Bill Dammann | damman001bil | 1906 | 6/20? | Nashville Volunteers | Southern Association | , | |
| Bill Dammann | damman001bil | 1906 | 6/20-9/3 | Jackson Senators | Cotton States League | , | |
| Daniels | 1906 | +7/11-8/23+ | Montpelier-Barre | Northern Independent | , | ||
| Bert Daniels | daniel001ben | 1906 | Villanova Col | College | , | ||
| Bert Daniels | daniel001ben | 1906 | +6/20-7/7+ | Jackson Convicts | Southern Michigan League | , | |
| Bert Daniels | daniel001ben | 1906 | no g. | Lancaster Red Roses | Tri-State League | , | |
| Babe Danzig | danzig001har | 1906 | 7/14- | Oswego | Empire State League | , | |
| Babe Danzig | danzig001har | 1906 | Auburn | Empire State League | , | ||
| James Davey | davey-002jam | 1906 | Bradford Drillers | Interstate League | , | ||
| Bill Davidson | davids007wil | 1906 | 96 g. | Fort Dodge Gypsumites | Iowa League | , | |
| Bill Davidson | davids007wil | 1906 | 9/15-9/30 | Lincoln Ducklings | Western League | , | |
| Ed Davidson | 1906 | 9/3 | Chanute Browns | Kansas State League | , | ||
| Davis | 1906 | Chanute Browns | Kansas State League | , | |||
| Davis | 1906 | +7/2-8/23+ | Montpelier-Barre | Northern Independent | , | ||
| Ben Davis | davis-001ben | 1906 | +5/19-8/14+ | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Billy Davis | 1906 | Denv.-Garnita | Independent | , | |||
| Billy Davis | 1906 | 9/11-9/30 | Denver Grizzlies | Western League | , | ||
| Earl Davis | 1906 | 7/23 | Chanute Browns | Kansas State League | , | ||
| Paul Davis | davis-002pau | 1906 | 5/24 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Paul Davis | davis-002pau | 1906 | 7/24-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Lee Dawkins | dawkin001lev | 1906 | Pine Bluff Barristers | Arkansas-Texas League | , | ||
| Archie DeBaker | debake001art | 1906 | +6/3+ | Muskegon MI | Independent | , | |
| Frank Decker | 1906 | 27 g. | Bartlesville Indians | Kansas State League | , | ||
| Frank Decker | 1906 | 8/16- | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Bill Deegan | deegan001wil | 1906 | +6/17+ | Hoboken NJ | Independent | , | |
| Arista DeHaven | 1906 | 4/29-9/25 | Springfield Babes | Central League | , | ||
| Henry Deisel | deisel001c-- | 1906 | +6/2-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| Benjamin Deiters | 1906 | 7/-7/ | Terre Haute Hottentots | Central League | , | ||
| James Deiters | 1906 | South Bend Greens | Central League | , | |||
| Edwin DeLave | 1906 | 8/22-8/25 | Wilkes-Barre Barons | New York State League | , | ||
| Charles DeMoss | demoss001cha | 1906 | Bradford Drillers | Interstate League | , | ||
| Bert Dennis | dennis002ber | 1906 | Anderson | Interstate Association | , | ||
| Bert Dennis | dennis002ber | 1906 | 79 g. | South Bend Greens | Central League | , | |
| Ed Dennis | 1906 | 7/-8/25+ | Battle Creek Crickets | Southern Michigan League | , | ||
| M. A. Dennis | 1906 | +7/16-9/9 | Chanute Browns | Kansas State League | , | ||
| Nick Deshon | denton010--- | 1906 | 6/13- | DuBois Miners | Interstate League | , | |
| Hugh Devlin | 1906 | +6/9+ | Berkeley RI | Independent | , | ||
| Herbert Dewar | 1906 | 8/6-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Guy Dickey | dickey001guy | 1906 | 4/27-9/25 | Springfield Babes | Central League | , | |
| Frank Dickinson | 1906 | no g. | Springfield Babes | Central League | , | ||
| Diebold | 1906 | +7/29+ | Buff.-Hawthornes | Independent | , | ||
| Charles Diebold | 1906 | 5/30-6/4 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Ernie Diehl | diehl-001ern | 1906 | 3 g. | Boston | National League | Boston, MA | |
| Milton Dillard | dillar001mil | 1906 | 5/5-6/18+ | Columbus/Brunswick River Snipes | Georgia State League | , | |
| Ed Dillon | dillon001edw | 1906 | +8/18-9/23 | Battle Creek Crickets | Southern Michigan League | , | |
| Cozy Dolan | dolan-001pat | 1906 | Boston | National League | Boston, MA | ||
| Frank Donahue | donahu002fra | 1906 | 4/27-9/25 | Springfield Babes | Central League | , | |
| Pat Donahue | donahu003pat | 1906 | 116 g. | Portland Beavers | Pacific Coast League | , | |
| She Donahue | donahu002cha | 1906 | 4/18-5/17 | Kansas City Blues | American Association | , | |
| Fred Donovan | donova002fre | 1906 | 5/16-6/17 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Jerry Donovan | donova003jer | 1906 | Ottawa-Beverlys | Independent | , | ||
| Mike Donovan | donova002mic | 1906 | 5/10-9/22 | Wilkes-Barre Barons | New York State League | , | |
| Frank Doran | doran-001fra | 1906 | 5/11-9/21 | Wilkes-Barre Barons | New York State League | , | |
| Tom Doran | doran-002tho | 1906 | - 8/11 | 2 g. | Boston | American League | Boston, MA |
| Tom Doran | doran-002tho | 1906 | 9/5-9/20 | Rochester Bronchos | Eastern League | , | |
| Gus Dorner | dorner001aug | 1906 | Boston | National League | Boston, MA | ||
| Hugh Dorrance | 1906 | +9/16+ | Euclid Beach OH | Independent | , | ||
| Jack Doscher | dosche001joh | 1906 | 2 g. | Brooklyn | National League | Brooklyn, NY | |
| Jacobum Dossinger | 1906 | +8/12+ | Buff.-Brooklyns | Independent | , | ||
| Tom Dougherty | doughe001tho | 1906 | 4/24-9/16 | Milwaukee Brewers | American Association | , | |
| Roy Dowers | dowers001roy | 1906 | Kearney NB | Independent | , | ||
| Jim Downey | downey002jam | 1906 | 7/22-8/12 | Wilkes-Barre Barons | New York State League | , | |
| Thomas Doyle | doyle-003tho | 1906 | 5/5-7/19 | Butte Miners | Northwestern League | , | |
| Bob Dresser | dresse001rob | 1906 | Hornell/Patton Pigmies | Interstate League | , | ||
| Bob Dresser | dresse001rob | 1906 | Punxsutawney Policemen | Interstate League | , | ||
| Bobby Drew | drew--001edw | 1906 | 4/27- | Fall River Indians | New England League | , | |
| Bobby Drew | drew--001edw | 1906 | -9/7 | New Bedford Whalers | New England League | , | |
| James Drohan | drohan001jam | 1906 | 8/15-9/8 | New Bedford Whalers | New England League | , | |
| Bob Drury | drury-001rob | 1906 | 5/17-9/23 | Binghamton Bingoes | New York State League | , | |
| J. A. DuBois | 1906 | 9/15-9/23 | Montreal Royals | Eastern League | , | ||
| Frank DuChien | duchie001fra | 1906 | 103 g. | Green Bay Colts | Wisconsin State League | , | |
| John Duffy | duffy-003joh | 1906 | 4/26-8/23 | Rochester Bronchos | Eastern League | , | |
| Daniel Duggan | duggan001dan | 1906 | 4/28- | Worcester Busters | New England League | , | |
| Thomas Duke | duke--001tho | 1906 | 53 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Turk Dunham | 1906 | 5/3-6/5 | Shawnee Blues | South Central League | , | ||
| Turk Dunham | 1906 | 6/20-7/1 | Shawnee Blues | South Central League | , | ||
| Bert Dunn | dunn--003ber | 1906 | 5/7-5/25 | Joplin Miners | Western Association | , | |
| Bert Dunn | dunn--003ber | 1906 | 6/6-9/14 | Umpire | Western Association | , | |
| Bert Dunn | dunn--005ber | 1906 | Mobile Sea Gulls | Cotton States League | , | ||
| Bert Dunn | dunn--003ber | 1906 | Spokane | NW | , | ||
| Dupey | 1906 | +6/4-6/28 | Shawnee Blues | South Central League | , | ||
| Dan Durand | durand001h-- | 1906 | 5/13-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Dan Durand | durand001h-- | 1906 | 6/15-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Dan Durand | durand001h-- | 1906 | +8/5+ | Bartlesville Indians | Kansas State League | , | |
| Blaine Durbin | durbin001bla | 1906 | 5/4-9/23 | Joplin Miners | Western Association | , | |
| Blaine Durbin | durbin001bla | 1906-07 | St. Benedict’s Col | College | , | ||
| Bull Durham | durham001lou | 1906 | no g. | Brooklyn | National League | , | |
| Bull Durham | durham001lou | 1906 | 4/27-5/17 | Altoona Mountaineers | Tri-State League | , | |
| Bull Durham | durham001lou | 1906 | 5/23-9/15 | Lancaster Red Roses | Tri-State League | , | |
| James Durham | durham003jam | 1906 | 4/19-9/13 | Kansas City Blues | American Association | , | |
| Ike Durrett | durret001isa | 1906 | 5/31-9/21 | Wilkes-Barre Barons | New York State League | , | |
| Dwyer | 1906 | 8/28-9/4 | San Antonio Bronchos | South Texas League | , | ||
| Patrick Dwyer | 1906 | 4/26-5/5 | Bridgeport Orators | Connecticut State League | , | ||
| Billy Dyer | dyer--001wil | 1906 | 5/9-8/9 | Harrisburg Senators | Tri-State League | , | |
| Billy Dyer | dyer--001wil | 1906 | Rutland | Northern Independent League | , | ||
| Billy Dyer | dyer--001wil | 1906 | 8/22-8/25 | Holyoke Paperweights | Connecticut State League | , | |
| Bobby Eager | eager-001rob | 1906 | Los Angeles Angels | Pacific Coast League | , | ||
| Billy Earle | earle-001bil | 1906 | 4/19-7/7 | Vicksburg Hill Billies | Cotton States League | , | |
| Billy Earle | earle-001bil | 1906 | 7/11-9/4 | Umpire | Cotton States League | , | |
| Mal Eason | eason-001mal | 1906 | 37 g. | Brooklyn | National League | Brooklyn, NY | |
| George Eaton | eaton-001geo | 1906 | +7/10-8/23 | Montpelier-Barre | Northern Independent | , | |
| Roy Eberly | 1906 | 4/28-5/21 | Springfield Babes | Central League | , | ||
| Henry Eberts | eberts001hen | 1906 | +9/11+ | Bluffton IN | Independent | , | |
| Andrew Ecklund | ecklun001and | 1906 | Basin MT | Independent | , | ||
| Andrew Ecklund | ecklun001and | 1906 | Butte-Bouchers | Independent | , | ||
| Bob Edmondson | edmond002rob | 1906 | 124 g. | Houston Buffaloes | South Texas League | , | |
| Bob Edmondson | edmond002rob | 1906 | 9/15- | 3 g. | Washington | American League | Washington, DC |
| Mays Edmundson | edmund001may | 1906 | 5/24-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Ben Egan | egan--001art | 1906 | Penn Yan | Empire State League | , | ||
| Ben Egan | egan--001art | 1906 | 8/21-9/8 | Haverhill Hustlers | New England League | , | |
| Ned Egan | egan--001edw | 1906 | 32 g. | Burlington Pathfinders | Iowa League | , | |
| Wish Egan | egan--001alo | 1906 | 7/29-9/14 | Kansas City Blues | American Association | , | |
| John Eicherly | eicher000joh | 1906 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Elliott | 1906 | +7/2-8/8+ | Montpelier-Barre | Northern Independent | , | ||
| A. H.? Elliott | 1906 | 8/7-8/8 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Mylon Elliott | elliot002myr | 1906 | 5/3-9/6 | New Bedford Whalers | New England League | , | |
| Ralph Elrod | 1906 | Brown Univ. | College | , | |||
| Charles Elsey | elsey-001cha | 1906 | 4/11-5/3 | Birmingham Barons | Southern Association | , | |
| Charles Elsey | elsey-001cha | 1906 | 7/14-8/7 | Vicksburg Hill Billies | Cotton States League | , | |
| Grover Engman | 1906 | +5/9-7/4 | Biloxi MS | Independent | , | ||
| Grover Engman | 1906 | 7/8-9/4 | Baton Rouge Cajuns | Cotton States League | , | ||
| Joe Erwin | erwin-001--- | 1906 | 5/6-7/8+ | Chanute Browns | Kansas State League | , | |
| Bill Essick | essick002wil | 1906 | Portland Beavers | Pacific Coast League | , | ||
| Bill Essick | essick002wil | 1906 | 9/12- | 6 g. | Cincinnati | National League | Cincinnati, OH |
| Elmer Essler | essler001elm | 1906 | 7/24-8/25 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Raymond Evans | 1906 | 7/12-7/31+ | South Bend Greens | Central League | , | ||
| William Evans | 1906-27 | MLB Umpire | American League | , | |||
| Bill Everitt | everet001wil | 1906 | 6/7 | Denver Grizzlies | Western League | , | |
| George Faatz | 1906 | +7/13-7/22+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Faber | 1906 | +6/21-6/25+ | Battle Creek Crickets | Southern Michigan League | , | ||
| James Fagan | 1906 | 78 g. | Boone/Clinton Miners | Iowa League | , | ||
| Ed Fagin | 1906 | 78 g. | Boone/Clinton Miners | Iowa League | , | ||
| Patrick Fallon | fallon000pat | 1906 | +8/19+ | Balt.-MapleLeaves | Independent | , | |
| Red Farnum | 1906 | 5/15-7/7+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Bernard Farrell | farrel001ber | 1906 | no g. | Grand Rapids Wolverines | Central League | , | |
| Bernard Farrell | farrel001ber | 1906 | 8/19-9/4 | Toledo Mud Hens | American Association | , | |
| Morgan Farrell | 1906 | 5/3 | Bridgeport Orators | Connecticut State League | , | ||
| Morgan Farrell | 1906 | +9/8+ | Bristol CT | Independent | , | ||
| Oliver Faulkner | faulkn001oli | 1906 | 4/28-5/3 | Rochester Bronchos | Eastern League | , | |
| Oliver Faulkner | faulkn001oli | 1906 | 8/18-8/31 | Baltimore Orioles | Eastern League | , | |
| Joe Fay | fay---001jos | 1906 | 2 g. | Portland Beavers | Pacific Coast League | , | |
| Faye | 1906 | 6/21-7/23 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| John Fenlon | 1906 | Kearney NB | Independent | , | |||
| Curtis Fennell | 1906 | 5/3-9/9 | Chanute Browns | Kansas State League | , | ||
| Roy Fennell | 1906 | no g. | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Emanuel Ferrias | ferria001e-- | 1906 | 4/26-9/22 | South Bend Greens | Central League | , | |
| Cy Ferry | ferry-001alf | 1906 | Portland Beavers | Pacific Coast League | , | ||
| Billy Finn | finn--001wil | 1906 | 4/26-9/3 | New London Whalers | Connecticut State League | , | |
| Ed Finney | finney001ed- | 1906 | +7/18-9/9 | Coffeyville Bricks | Kansas State League | , | |
| William Finney | finney001wil | 1906 | 8/10-9/1 | Butte Miners | Northwestern League | , | |
| Al. Fischer | 1906 | Muncie IN | Gas Belt | , | |||
| Fisher | 1906 | 8/6-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Bob Fisher | fisher002rob | 1906 | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Harry Fisher | fisher006har | 1906 | Findlay/BG | Ohio Michigan League | , | ||
| Harry Fisher | fisher006har | 1906 | 8/6-8/24 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Robert Fisher | 1906 | 61 g. | Coffeyville Bricks | Kansas State League | , | ||
| Walter Fisher | fisher001bat | 1906 | 4/28-8/13+ | Beaumont Oilers | South Texas League | , | |
| Billy Fitzmaurice | fitzma001wil | 1906 | 4/27-9/8 | Lowell Tigers | New England League | , | |
| Frank Fitzpatrick | fitzpa001fra | 1906 | 5/29-9/8 | New Haven Blues | Connecticut State League | , | |
| Steamer Flanagan | flanag003jam | 1906 | 9/11-9/22 | Rochester Bronchos | Eastern League | , | |
| Earl Fleharty | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Earl Fleharty | 1906 | 6/15-7/23+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Chuck Fleming | flemin002cha | 1906 | +4/30-6/4+ | South Bend Greens | Central League | , | |
| Chuck Fleming | flemin002cha | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Flood | 1906 | +5/28-6/18+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| James Flood | 1906 | 3 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Michael Flynn | flynn-003mic | 1906 | 6/18-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Joseph Foley | 1906 | 5/11+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Eddie Ford | ford--001edw | 1906 | 6/27-9/3 | Butte Miners | Northwestern League | , | |
| Leon Ford | 1906 | +11/18+ | NO-Praker-Blake | Independent | , | ||
| Kid Forney | forney001j-- | 1906 | Belle Plaine KS | Independent | , | ||
| Edward Foster | foster001edm | 1906 | Bradford Drillers | Interstate League | , | ||
| Edward Foster | 1906 | 7/2-9/9 | Coffeyville Bricks | Kansas State League | , | ||
| Floyd Foster | 1906 | 6/23-6/24 | Coffeyville Bricks | Kansas State League | , | ||
| Thomas Foster | 1906 | 8/18-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Bill Fox | fox---006wil | 1906 | 4/18-9/17 | Minneapolis Millers | American Association | , | |
| Charley Fox | fox---003cha | 1906 | +6/27-9/25 | Springfield Babes | Central League | , | |
| John Fox | fox---001joh | 1906 | 4/16-9/3 | Macon Brigands | South Atlantic League | , | |
| Bill Foxen | foxen-001wil | 1906 | Jersey City Skeeters | Eastern League | , | ||
| Francis | 1906 | 5/2 | Houston Buffaloes | South Texas League | , | ||
| Francis | 1906 | +7/25-8/23+ | Burlington | Northern Independent League | , | ||
| Ike Francis | franci002isa | 1906 | +4/30-6/21 | South Bend Greens | Central League | , | |
| Buck Francks | franck001cha | 1906 | 179 g. | Oakland Oaks | Pacific Coast League | , | |
| Walter Frantz | frantz001wal | 1906 | 4/20-9/16 | Kansas City Blues | American Association | , | |
| Otto Fredericks | freder001ott | 1906 | +5/21-6/16+ | Temple Boll Weevils | Texas League | , | |
| Otto Fredericks | freder001ott | 1906 | 18 g. | San Antonio Bronchos | South Texas League | , | |
| Otto Fredericks | freder001ott | 1906 | 8/3-9/9 | Chanute Browns | Kansas State League | , | |
| Theodore Frederickson | freder001the | 1906 | 79 g. | Green Bay Colts | Wisconsin State League | , | |
| Buck Freeman | freema003joh | 1906 | 121 g. | Boston | American League | Boston, MA | |
| Win French | french001win | 1906 | 8 g. | Portland Beavers | Pacific Coast League | , | |
| George Frickie | fricki001geo | 1906 | 6 g. | San Antonio Bronchos | South Texas League | , | |
| Bill Friel | friel-001wil | 1906 | 4/18-9/16 | Columbus Senators | American Association | , | |
| Joseph Friel | 1906 | 4/30-7/1 | Springfield Babes | Central League | , | ||
| John Frill | frill-001joh | 1906 | 9/3 | Bridgeport Orators | Connecticut State League | , | |
| Sam Frock | frock-001sam | 1906 | 4/27-9/6 | Worcester Busters | New England League | , | |
| W. H. Frost | 1906 | 5/15-6/2+ | Battle Creek Crickets | Southern Michigan League | , | ||
| W. H. Frost | 1906 | 6/14+ | Bay City MI | Independent | , | ||
| Joseph Galaski | galask001jos | 1906 | 5/30 | Buffalo Bisons | Eastern League | , | |
| Bob Ganley | ganley002rob | 1906 | 137 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Bill Gannon | gannon002wil | 1906 | 4/25-8/1 | Altoona Mountaineers | Tri-State League | , | |
| Bill Gannon | gannon002wil | 1906 | 8/10-8/26 | Albany Senators | New York State League | , | |
| Joe Ganzel | ganzel001jos | 1906 | +8/29-9/23 | Battle Creek Crickets | Southern Michigan League | , | |
| Larry Gardner | gardne004wil | 1906 | Burlington | Northern Independent League | , | ||
| Leo Garvin | garvin001lee | 1906 | 5/19-9/15 | Birmingham Barons | Southern Association | , | |
| Ned Garvin | garvin001vir | 1906 | Portland Beavers | Pacific Coast League | , | ||
| Prince Gaskell | 1906 | 31 g. | Houston Buffaloes | South Texas League | , | ||
| Dale Gear | gear--001dal | 1906 | 4/11-9/15 | Birmingham Barons | Southern Association | , | |
| Gebhardt | 1906 | 6/13- | San Antonio Bronchos | South Texas League | , | ||
| Robert Geddes | geddes001rob | 1906 | 55 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Dutch Gehman | 1906 | Beth.-East Ends | Independent | , | |||
| Gehring | 1906 | Temple Boll Weevils | Texas League | , | |||
| Doc Gessler | gessle001har | 1906 | 9 g. | Brooklyn | National League | Brooklyn, NY | |
| Jake Gettman | gettma001jac | 1906 | 4/26-9/21 | Buffalo Bisons | Eastern League | , | |
| Roy Geyer | 1906 | Green Bay Colts | Wisconsin State League | , | |||
| Herbert Gianelli | 1906 | Buff.-Bunker Hill | Independent | , | |||
| Gibbs | 1906 | Baker Univ. | College | , | |||
| Gibbs | 1906 | 6/1-6/14 | Chanute Browns | Kansas State League | , | ||
| Frederick Gibbs | 1906 | Biddeford ME | Independent | , | |||
| William Giblin | 1906 | 8/12-9/9 | Coffeyville Bricks | Kansas State League | , | ||
| Norwood Gibson | gibson001nor | 1906 | - 5/18 | 5 g. | Boston | American League | Boston, MA |
| Bill Giese | 1906 | +8/31+ | Dave-Independents | Independent | , | ||
| William Giffen | 1906 | 70 g. | Marshalltown Brownies | Iowa League | , | ||
| Billy Gilbert | gilber002wil | 1906 | 104 g. | New York | National League | New York, NY | |
| John Gilbert | 1906 | 6/28-9/7 | Coffeyville Bricks | Kansas State League | , | ||
| Bob Gilks | gilks-001rob | 1906 | 6/6-7/9 | Shreveport Pirates | Southern Association | , | |
| Ralph Glaze | glaze-001dan | 1906 | 5/24- | 22 g. | Boston | American League | Boston, MA |
| John Godwin | godwin001joh | 1906 | 66 g. | Boston | American League | Boston, MA | |
| Goehring | 1906 | 4/27 | Temple Boll Weevils | Texas League | , | ||
| Gene Good | good--001eug | 1906 | 4/12- | Boston | National League | Boston, MA | |
| Gene Good | good--001eug | 1906 | -9/9 | Boston | National League | Boston, MA | |
| Wilbur Good | good--002wil | 1906 | 6/19- | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Wilbur Good | good--002wil | 1906 | +7/21 | Burlington | Northern Independent League | , | |
| William Goode | 1906 | Kansas City Blues | American Association | , | |||
| Clyde Goodman | 1906 | Bluffton IN | Independent | , | |||
| Clarence Goodrich | 1906 | 5/5-5/19+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Clyde Goodwin | goodwi001cly | 1906 | 4/19-4/25 | Milwaukee Brewers | American Association | , | |
| Clyde Goodwin | goodwi001cly | 1906 | 6/16-9/14 | Milwaukee Brewers | American Association | , | |
| Brooks Gordon | gordon001bro | 1906 | 112 g. | Austin Senators | South Texas League | , | |
| Gore | 1906 | +8/4+ | Barberton OH | Independent | , | ||
| Gormully | 1906 | 20 g. | Green Bay Colts | Wisconsin State League | , | ||
| Ly Gorton | gorton001lym | 1906 | 4/28-9/5 | Worcester Busters | New England League | , | |
| Charlie Graham | graham002cha | 1906 | 4/14-5/29 | Boston | American League | Boston, MA | |
| Bill Grahame | graham003wil | 1906 | 4/29-5/2 | Grand Rapids Wolverines | Central League | , | |
| Bill Grahame | graham003wil | 1906 | +5/11-7/3 | Erie Sailors | Interstate League | , | |
| Bill Grahame | graham003wil | 1906 | +8/8+ | Flint MI | Independent | , | |
| Bill Grahame | graham003wil | 1906 | 8/28-9/25 | Grand Rapids Wolverines | Central League | , | |
| Grant | 1906 | +7/14-7/29+ | Detr.-Burroughs | Independent | , | ||
| Angus Grant | grant-001ang | 1906 | 4/26-9/25 | South Bend Greens | Central League | , | |
| Leonard Gray | gray--001leo | 1906 | +7/5-9/3 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Wilder Gray | 1906 | 5/4-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Wilder Gray | 1906 | 6/15-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Greek | 1906 | 8/24 | Houston Buffaloes | South Texas League | , | ||
| Green | 1906 | 5/15-5/17+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Danny Green | green-001edw | 1906 | 4/19-9/16 | Milwaukee Brewers | American Association | , | |
| Frank Green | green-002fra | 1906 | 74 g. | Burlington Pathfinders | Iowa League | , | |
| Ernest Greene | greene001ern | 1906 | 6/13-9/21 | Buffalo Bisons | Eastern League | , | |
| Paddy Greene | greene001pat | 1906 | 4/28-5/10 | New Bedford Whalers | New England League | , | |
| Teddy Greene | greene001ted | 1906 | Marshalltown Brownies | Iowa League | , | ||
| Ernest Greenwell | 1906 | +6/+ | DuBois Miners | Interstate League | , | ||
| Jack Griffin | 1906 | 5/10 | Bartlesville Indians | Kansas State League | , | ||
| Jack Griffin | 1906 | +5/29-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Jack Griffin | 1906 | 6/15-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Steve Griffin | griffi001ste | 1906 | 5/15-6/11+ | Mount Clemens Bathers | Southern Michigan League | , | |
| Bruce Grigsby | 1906 | Chanute-Elks | Independent | , | |||
| Bruce Grigsby | 1906 | 5/8, +8/26+ | Chanute Browns | Kansas State League | , | ||
| Myron Grimshaw | grimsh001myr | 1906 | 110 g. | Boston | American League | Boston, MA | |
| Grindle | grindl001--- | 1906 | 5/25 | Bartlesville Indians | Kansas State League | , | |
| E. M.? Grindle | 1906 | Springfield Babes | Central League | , | |||
| James Gronninger | gronin001jam | 1906 | 6/29-9/12 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Herbert Grubb | grubb-001her | 1906 | 5/8-6/6 | Baltimore Orioles | Eastern League | , | |
| Herbert Grubb | grubb-001her | 1906 | 7/11-9/8 | Rochester Bronchos | Eastern League | , | |
| Stuart Guerney | 1906 | South Bend Greens | Central League | , | |||
| Frank Gum | gum---002fra | 1906 | 6/24-10/9+ | Portland Beavers | Pacific Coast League | , | |
| Wilfred Gutierrez | guitte001wil | 1906 | 4/19-8/14 | Baton Rouge Cajuns | Cotton States League | , | |
| Bert Haas | haas--003ber | 1906 | 5/3-5/16 | Chanute Browns | Kansas State League | , | |
| Bert Haas | haas--003ber | 1906 | 7/14-9/9 | Independence Coyotes | Kansas State League | , | |
| Bert Haas | haas--001ber | 1906 | 130 g. | Paducah Indians | Kentucky-Illinois-Tennessee League | , | |
| Jim Hackett | hacket001jam | 1906 | 7/11-7/12 | Kansas City Blues | American Association | , | |
| Leo Hafford | haffor001leo | 1906 | 5/17-5/23 | Rochester Bronchos | Eastern League | , | |
| Leo Hafford | haffor001leo | 1906 | +6/19+ | Beverly MA | Independent | , | |
| Kurt Hageman | 1906 | Beaver Falls PA | Independent | , | |||
| John Hagle | hagle-000joh | 1906 | 4/27-5/11 | Vicksburg Hill Billies | Cotton States League | , | |
| Louis Haidt | haidt-001lou | 1906 | 68 g. | San Antonio Bronchos | South Texas League | , | |
| Victor Haisman | haisma001vic | 1906 | 4/27-5/19+ | Springfield Babes | Central League | , | |
| Victor Haisman | haisma001vic | 1906 | 6/28-9/9 | Coffeyville Bricks | Kansas State League | , | |
| Halderman | 1906 | 7/1-7/6 | Butte Miners | Northwestern League | , | ||
| Glenn Hale | hale--001gle | 1906 | +7/22-9/23 | Battle Creek Crickets | Southern Michigan League | , | |
| Bob Hall | hall--004rob | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| Bill Hallman | hallma002wil | 1906 | 4/16-5/22 | Savannah Indians | South Atlantic League | , | |
| Bill Hallman | hallma002wil | 1906 | 5/31-7/12 | Albany Senators | New York State League | , | |
| Bill Hallman | hallma001wil | 1906 | 4/18-9/15 | Louisville Colonels | American Association | , | |
| Bill Hallman | hallma001wil | 1906 | 23 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Charles? Hallman | 1906 | +5/23+ | 9 g. | South Bend Greens | Central League | , | |
| Halpin | 1906 | 5/30-6/4 | Bridgeport Orators | Connecticut State League | , | ||
| Billy Hamilton | hamilt006wil | 1906 | 4/27-6/22 | Harrisburg Senators | Tri-State League | , | |
| Billy Hamilton | hamilt006wil | 1906 | 7/23-9/8 | Haverhill Hustlers | New England League | , | |
| Harry Hammond | hammon001har | 1906 | 4/28-9/24 | Springfield Babes | Central League | , | |
| Jim Haney | haney-003jam | 1906 | 5/5-7/18 | Shawnee Blues | South Central League | , | |
| Jack Hankey | hankey001joh | 1906 | Baton Rouge Cajuns | Cotton States League | , | ||
| George Hanley | hanley002geo | 1906 | 5/10-9/22 | Wilkes-Barre Barons | New York State League | , | |
| F. B. Hanlon | hanlon001f-- | 1906 | 5/1-8/2 | Tulsa Oilers | South Central League | , | |
| F. B. Hanlon | hanlon001f-- | 1906 | 31 g. | Coffeyville Bricks | Kansas State League | , | |
| Hanna | 1906 | 7/14 | San Antonio Bronchos | South Texas League | , | ||
| Jack Hannifin | hannif002joh | 1906 | 4/26-4/30 | Baltimore Orioles | Eastern League | , | |
| Jack Hannifin | hannif002joh | 1906 | 5/14-9/8 | New Haven Blues | Connecticut State League | , | |
| George Hannigan | 1906 | Bloomington IL | Amateur | , | |||
| Pat Hannivan | hanniv001pat | 1906 | 5/11-9/2 | Binghamton Bingoes | New York State League | , | |
| Billy Hanrahan | hanrah001wil | 1906 | 5/19-7/8 | Winnipeg Maroons | Northern-Copper Country League | , | |
| Billy Hanrahan | hanrah001wil | 1906 | 7/9-7/28 | Grand Forks Forkers | Northern-Copper Country League | , | |
| Billy Hanrahan | hanrah001wil | 1906 | 7/30-9/3 | Fargo | Northern-Copper Country League | , | |
| Oren Hanson | hanson001ore | 1906 | +5/18+ | Burlington Pathfinders | Iowa League | , | |
| George Harbusch | 1906 | 20 g. | Bridgeport Orators | Connecticut State League | , | ||
| William Harkins | 1906 | DuBois Miners | Interstate League | , | |||
| William Harkins | 1906 | 5/25-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Con Harlow | harlow001con | 1906 | 53 g. | Houston Buffaloes | South Texas League | , | |
| William Harmuth | harmut001wil | 1906 | 8/8-8/11 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Nick Harnish | harnis001nic | 1906 | 4/16-9/3 | Macon Brigands | South Atlantic League | , | |
| Daniel Harrell | 1906 | Bradford Drillers | Interstate League | , | |||
| Bernard Harrigan | 1906 | 5/3-5/17+ | Coffeyville Bricks | Kansas State League | , | ||
| Ewing Harris | harris001ewi | 1906 | 30 g. | Beaumont Oilers | South Texas League | , | |
| Joe Harris | harris007jos | 1906 | 30 g. | Boston | American League | Boston, MA | |
| John Harris | 1906 | 109 g. | Marshalltown Brownies | Iowa League | , | ||
| William Harris | 1906 | 6/25-6/28+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Hart | 1906 | 24 g. | Green Bay Colts | Wisconsin State League | , | ||
| Bill Hart | hart--004wil | 1906 | 5/1-6/15 | Indianapolis Indians | American Association | , | |
| Danny Hart | 1906 | 5/24-6/8 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Danny Hart | 1906 | 9/13-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Fred Hartman | hartma003fre | 1906 | 7/31-9/14 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Sam Hartman | hartma001sam | 1906 | 5/2-9/7 | Worcester Busters | New England League | , | |
| Joseph Harville | 1906 | 5/5-6/6 | Chanute Browns | Kansas State League | , | ||
| Ira Hastings | hastin001ira | 1906 | +9/7+ | 7 g. | Green Bay Colts | Wisconsin State League | , |
| Harry Hatch | hatch-002har | 1906 | Brown Univ. | College | , | ||
| Harry Hatch | hatch-002har | 1906 | +8/8+ | Burlington | Northern Independent League | , | |
| Bill Hausen | hausen001hom | 1906 | 4/11-9/15 | Montgomery Senators | Southern Association | , | |
| John Haviland | havila001joh | 1906 | 25 g. | Burlington Pathfinders | Iowa League | , | |
| Jack Hayden | hayden001joh | 1906 | 85 g. | Boston | American League | Boston, MA | |
| Bruce Hayes | hayes-001bru | 1906 | 5/15-8/29+ | Mount Clemens Bathers | Southern Michigan League | , | |
| Claude Hayes | hayes-016--- | 1906 | 5/4-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Claude Hayes | hayes-016--- | 1906 | +7/18-8/7+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Gerald Hayes | hayes-001ger | 1906 | 69 g. | Beaumont Oilers | South Texas League | , | |
| Henry Hayes | 1906 | +8/18+ | Pine Bluff Barristers | Arkansas-Texas League | , | ||
| Thomas Hayes | hayes-002tom | 1906 | 6/23-8/25 | Burlington | Northern Independent League | , | |
| William Hayward | haywar001wil | 1906 | 4/26-9/8 | New Haven Blues | Connecticut State League | , | |
| Ben Hayworth | haywor001ben | 1906 | 126 g. | Danville Old Soldiers | Kentucky-Illinois-Tennessee League | , | |
| John Hazel | hazel-001joh | 1906 | 117 g. | Green Bay Colts | Wisconsin State League | , | |
| Doc Hazelton | hazlet001wil | 1906 | +7/10-8/23 | Burlington | Northern Independent League | , | |
| Dwight Hazelton | hazelt001dwi | 1906 | Bradford Drillers | Interstate League | , | ||
| Dwight Hazelton | hazelt001dwi | 1906 | +5/13+ | Butler PA | Independent | , | |
| Dwight Hazelton | hazelt001dwi | 1906 | Bradford Drillers | Interstate League | , | ||
| Hughie Hearne | hearne001hug | 1906 | 4/27-9/22 | Baltimore Orioles | Eastern League | , | |
| Hedauk | 1906 | 7/13+ | South Bend Greens | Central League | , | ||
| Helmick | 1906 | +4/28+ | Barberton OH | Independent | , | ||
| Jack Helmick | 1906 | Barberton OH | Independent | , | |||
| Jack Helmick | 1906 | +9/17+ | Boonville IN | Independent | , | ||
| James Helms | helm--001jam | 1906 | 34 g. | Macon Brigands | South Atlantic League | , | |
| Frank Hemphill | hemphi001fra | 1906 | 5/12-9/10 | Milwaukee Brewers | American Association | , | |
| Ben Henderson | hender003jam | 1906 | 66 g. | Portland Beavers | Pacific Coast League | , | |
| Robert Henderson | 1906 | 4/29 | Beaumont Oilers | South Texas League | , | ||
| Robert Henderson | 1906 | 6/19-7/11+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Jack Hendricks | hendri002joh | 1906 | 4/27-9/25 | Springfield Babes | Central League | , | |
| Weldon Henley | henley001wel | 1906 | 5/12-8/30 | Rochester Bronchos | Eastern League | , | |
| Noah Henline | henlin001noa | 1906 | +5/11-5/28 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Henry | 1906 | 9/5-9/8 | New Bedford Whalers | New England League | , | ||
| Frank Henry | henry-003fra | 1906 | 4/27- | Worcester Busters | New England League | , | |
| Gordon Henry | 1906 | 5/8-5/9+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Jack Herbert | herber003joh | 1906 | 5/?-9/4+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Joseph Herold | 1906 | 103 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| John Herwig | herwig001joh | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| William Hessler | 1906 | 5/5-6/28+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Benjamin Hessling | 1906 | 9/12 | Scranton Miners | New York State League | , | ||
| Ernie Heusser | heusse000ern | 1906 | 5/30-7/ | Bartlesville Indians | Kansas State League | , | |
| Byron Hewitt | 1906 | Tyler Tx | , | ||||
| Byron Hewitt | 1906 | Texarkana Shine-Oners | Arkansas-Texas League | , | |||
| Barney Heyward | 1906 | U. South Carolina | College | , | |||
| Barney Heyward | 1906 | 6/11-8/16 | Camden | South Carolina League | , | ||
| Jack Hickey | hickey002joh | 1906 | 4/20-6/3 | Milwaukee Brewers | American Association | , | |
| Charles Hickman | hickma001cha | 1906 | 4/27- | Worcester Busters | New England League | , | |
| John Hickman | hickma001gor | 1906 | 4/13 | Birmingham Barons | Southern Association | , | |
| William Higgins | 1906 | Brown Univ. | College | , | |||
| William Higgins | 1906 | +7/10-7/25+ | Burlington | Northern Independent League | , | ||
| Belden Hill | hill--003bel | 1906 | 5/3-9/16 | Cedar Rapids Rabbits | Illinois-Indiana-Iowa League | , | |
| Hugh Hill | hill--001hug | 1906 | 4/18-9/16 | Kansas City Blues | American Association | , | |
| Hunter Hill | hill--001hun | 1906 | 4/25-7/7 | Buffalo Bisons | Eastern League | , | |
| Hunter Hill | hill--001hun | 1906 | 9/7-9/12 | Buffalo Bisons | Eastern League | , | |
| Hiller | hiller008--- | 1906 | 4/27 | Temple Boll Weevils | Texas League | , | |
| Charles Hiller | 1906 | 5/20- | Coffeyville Bricks | Kansas State League | , | ||
| Bill Hinchman | hinchm001wil | 1906 | 18 g. | Cincinnati | National League | Cincinnati, OH | |
| Bill Hinchman | hinchm001wil | 1906 | 5/22-9/16 | Columbus Senators | American Association | , | |
| Harry Hinchman | hinchm001har | 1906 | 5/11-9/23 | Binghamton Bingoes | New York State League | , | |
| Hunkey Hines | hines-001hun | 1906 | 29 g. | Baton Rouge Cajuns | Cotton States League | , | |
| John Hinton | hinton001joh | 1906 | 6/12- | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Arthur Hippert | hipper001gar | 1906 | 15 g. | Green Bay Colts | Wisconsin State League | , | |
| Bert Hise | hise--001ber | 1906 | Cleburne Railroaders | Texas League | , | ||
| Leo Hite | hite--001leo | 1906 | 5/4-7/18 | Shawnee Blues | South Central League | , | |
| Jack Hoey | hoey--001joh | 1906 | 6/27- | 94 g. | Boston | American League | Boston, MA |
| Bill Hoffer | hoffer003wil | 1906 | 5/7-6/5 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Bill Hoffer | hoffer003wil | 1906 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Hoffman | 1906 | +8/14-8/27+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Bill Hogg | hogg--002wil | 1906 | 28 g. | New York | American League | New York, NY | |
| Bradley Hogue | hogue-001b-- | 1906 | 5/24-6/27 | Portsmouth Truckers | Virginia League | , | |
| Bradley Hogue | hogue-001b-- | 1906 | 6/29 | Norfolk Tars | Virginia League | , | |
| Bradley Hogue | hogue-001b-- | 1906 | 7/3-7/28 | Camden | South Carolina League | , | |
| Holland | 1906 | Broo.-Royal Giants | Independent | , | |||
| Michael Hollander | hollan003mic | 1906 | 21 g. | Beaumont Oilers | South Texas League | , | |
| Wallace Hollingsworth | hollin001wal | 1906 | 4/26-6/4 | Baltimore Orioles | Eastern League | , | |
| George Hollis | 1906 | +5/1+ | 12 g. | Vicksburg Hill Billies | Cotton States League | , | |
| Holmes | 1906 | Bethany College | College | , | |||
| Holmes | 1906 | 6/21 | Chanute Browns | Kansas State League | , | ||
| Clarence Holmes | holmes001cla | 1906 | 6/27-7/2+ | Shawnee Blues | South Central League | , | |
| Milan Holmes | holmes001mil | 1906 | Green Bay Colts | Wisconsin State League | , | ||
| Buck Hooker | hooker001wil | 1906 | 120 g. | Vicksburg Hill Billies | Cotton States League | , | |
| Kirby Hoon | hoon--001kir | 1906 | 4/28-9/13 | Butte Miners | Northwestern League | , | |
| Clifford Hoover | hoover001cli | 1906 | 7/21-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Sam Hope | hope--001sam | 1906 | New Haven Blues | Connecticut State League | , | ||
| Bill Hopke | hopke-001wil | 1906 | 4/27-9/25 | Canton Chinamen | Central League | , | |
| Buck Hopkins | hopkin004joh | 1906 | 4/26-9/8 | Norfolk Tars | Virginia League | , | |
| Lee Hopkins | hopkin001leo | 1906 | Green Bay Colts | Wisconsin State League | , | ||
| John Hornung | 1906 | 4/26-4/27 | Temple Boll Weevils | Texas League | , | ||
| John House | house-001joh | 1906 | 127 g. | Burlington Pathfinders | Iowa League | , | |
| Ben Houser | houser001ben | 1906 | 4/25-8/4 | Altoona Mountaineers | Tri-State League | , | |
| Ben Houser | houser001ben | 1906 | 8/6-9/15 | Lancaster Red Roses | Tri-State League | , | |
| Benjamin Houser | houser001ben | 1906 | 117 g. | Altoona Mountaineers | Tri-State League | , | |
| Benjamin Houser | houser001ben | 1906 | Lancaster Red Roses | Tri-State League | , | ||
| Robert Houston | housto001rob | 1906 | +6/5-9/3 | Macon Brigands | South Atlantic League | , | |
| Clarence Howard | 1906 | Butte Miners | Northwestern League | , | |||
| Del Howard | howard001geo | 1906 | 147 g. | Boston | National League | Boston, MA | |
| Harry Howard | 1906 | Kearney NB | Independent | , | |||
| Richard Howard | 1906 | 5/4 | New Bedford Whalers | New England League | , | ||
| Harry Howlett | 1906 | 5/15-5/17+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Vincent Hoye | 1906 | Brown Univ. | College | , | |||
| Arthur Hubbard | hubbar001a-- | 1906 | 24 g. | San Antonio Bronchos | South Texas League | , | |
| Tobe Huffman | hauffm001--- | 1906 | 5/26-6/15 | Bartlesville Indians | Kansas State League | , | |
| Tobe Huffman | hauffm001--- | 1906 | 6/20-6/30 | Chanute Browns | Kansas State League | , | |
| Hughes | 1906 | 6/25-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Billie Hughes | hughes008wil | 1906 | Guthrie Senators | South Central League | , | ||
| Ed Hughes | hughes004edw | 1906 | -5/31 | 2 g. | Boston | American League | Boston, MA |
| Grant Hughes | 1906 | 5/3-5/14+ | Bartlesville Indians | Kansas State League | , | ||
| Berne Hughey | 1906 | +5/27-7/13+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Berne Hughey | 1906 | +7/25-8/29+ | Kalamazoo White Sox | Southern Michigan League | , | ||
| Billy Hulen | hulen-001bil | 1906 | , | ||||
| John Hummel | hummel001joh | 1906 | 97 g. | Brooklyn | National League | Brooklyn, NY | |
| W. Humphries | 1906 | 8/10 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Hunt | 1906 | 10 g. | Macon Brigands | South Atlantic League | , | ||
| Harry Hunt | hunt--001har | 1906 | 4/17-5/11 | Macon Brigands | South Atlantic League | , | |
| Hunter | 1906 | 8/5 | Chanute Browns | Kansas State League | , | ||
| Hunter | 1906 | +9/3-9/6+ | Bartlesville Indians | Kansas State League | , | ||
| Frederick Hunter | hunter002fre | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| Ralph Hunter | 1906 | 120 g. | Beaumont Oilers | South Texas League | , | ||
| George Hurlburt | hurlbu001geo | 1906 | 5/11-5/26 | Wilkes-Barre Barons | New York State League | , | |
| Bill Hurley | hurley003wil | 1906 | 4/28-9/3 | Grays Harbor Lumbermen | Northwestern League | , | |
| Bert Husting | hustin001ber | 1906 | President | Fox River League | , | ||
| W. A. Hutchins | 1906 | 5/3-6/19+ | Bartlesville Indians | Kansas State League | , | ||
| Fred Hutchinson | hutchi001fre | 1906 | +7/29-9/9 | Bartlesville Indians | Kansas State League | , | |
| Amos Hutter | hutter001amo | 1906 | 80 g. | Beaumont Oilers | South Texas League | , | |
| Pat Hynes | hynes-001pat | 1906 | 4/18-9/16 | Milwaukee Brewers | American Association | , | |
| H. B. Iba | 1906 | 5/3- | Umpire | Kansas State League | , | ||
| Happy Iott | iott--001fre | 1906 | New Bedford Whalers | New England League | , | ||
| Charles Irby | irby--001cha | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| John Irwin | irwin-001joh | 1906 | Bowdoin College | College | , | ||
| James Ison | 1906 | 5/19-5/22 | Macon Brigands | South Atlantic League | , | ||
| Jackson | 1906 | 8/22-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| A. E. Jackson | 1906 | 8/15-9/1 | Houston Buffaloes | South Texas League | , | ||
| Early Jackson | 1906 | 31ab | Houston Buffaloes | South Texas League | , | ||
| Morris Jackson | 1906 | 5/30-9/8 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| N. Jackson | 1906 | Houston Buffaloes | South Texas League | , | |||
| Mike Jacob | jacobs001mor | 1906 | 5/8-6/30 | Macon Brigands | South Atlantic League | , | |
| T. B. Jacobs | 1906 | 6/21-6/25 | Fort Scott Giants | Kansas State League | , | ||
| T. B. Jacobs | 1906 | 8/16-8/21+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| T. B. Jacobs | 1906 | 8/26+ | Parsons Preachers | Kansas State League | , | ||
| Beany Jacobson | jacobs001alb | 1906 | 24 g. | St. Louis | American League | St. Louis, MO | |
| James | 1906 | 7/14 | San Antonio Bronchos | South Texas League | , | ||
| Bobby? James | 1906 | 7/4-7/18 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| F. O. Jamieson | 1906 | Boone/Clinton Miners | Iowa League | , | |||
| Otto Jehl | 1906 | 7/28+ | 3 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Sidney Jehl | 1906 | 6/19-7/14 | San Antonio Bronchos | South Texas League | , | ||
| Jennings | 1906 | +7/20+ | Shawnee Blues | South Central League | , | ||
| Hughie Jennings | jennin001hug | 1906 | 5/1-9/22 | Baltimore Orioles | Eastern League | , | |
| Jacob Jennis | 1906 | 8/13-8/16 | Wilkes-Barre Barons | New York State League | , | ||
| Guy Jepson | 1906 | +7/29+ | Chanute-Buffalo | Independent | , | ||
| Guy Jepson | 1906 | 8/25 | Chanute Browns | Kansas State League | , | ||
| Johnson | 1906 | +6/11+ | Springfield Babes | Central League | , | ||
| A. E. Johnson | 1906 | +7/21-8/9+ | Coffeyville Bricks | Kansas State League | , | ||
| Abbie Johnson | johnso002abb | 1906 | 7/11- | DuBois Miners | Interstate League | , | |
| Charlie Johnson | johnso005cha | 1906 | Bradford Drillers | Interstate League | , | ||
| Eke Johnson | johnso216--- | 1906 | +8/2+ | Montpelier-Barre | Northern Independent | , | |
| Harold Johnson | johnso004har | 1906 | 31 g. | Boone/Clinton Miners | Iowa League | , | |
| John Johnson | johnso001ral | 1906 | 4/26-9/23 | South Bend Greens | Central League | , | |
| Roger Johnson | 1906 | 5/26-5/30 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Wait Johnson | 1906 | 8/13-8/21 | San Antonio Bronchos | South Texas League | , | ||
| Wilbur Johnson | 1906 | Boone/Clinton Miners | Iowa League | , | |||
| Wilbur Johnson | 1906 | Marshalltown Brownies | Iowa League | , | |||
| Edward Jokerst | 1906 | Houston Buffaloes | South Texas League | , | |||
| A. S. Jones | 1906 | 7/13-7/14 | Vicksburg Hill Billies | Cotton States League | , | ||
| Alex Jones | jones-002ale | 1906 | 6/6-6/27 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Alex Jones | jones-002ale | 1906 | 8/13-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Charles Jones | jones-003w-- | 1906 | 6/6-6/27 | Temple Boll Weevils | Texas League | , | |
| Cowboy Jones | jones-003alb | 1906 | 2 g. | Portland Beavers | Pacific Coast League | , | |
| Doc Jones | jones-003w-- | 1906 | Temple Boll Weevils | Texas League | , | ||
| Jumbo Jones | 1906 | 5/26-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Leo Jones | 1906 | Baker University | College | , | |||
| Leo Jones | 1906 | 20 g. | Chanute Browns | Kansas State League | , | ||
| Harry Jope | jope--001hen | 1906 | 4/28-9/8 | New Haven Blues | Connecticut State League | , | |
| Tim Jordan | jordan002tim | 1906 | 129 g. | Brooklyn | National League | Brooklyn, NY | |
| Gustav Jutzi | jutzi-001joh | 1906 | 5/25-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Bob Kahl | kahl--001rob | 1906 | 5/4-9/23 | Leavenworth Old Soldiers | Western Association | , | |
| Ambrose Kane | kane--001amb | 1906 | 4/27- | Worcester Busters | New England League | , | |
| Jerry Kane | kane--001jer | 1906 | 5/16- | Beaumont Oilers | South Texas League | , | |
| Elias Kaphan | kaphan001eli | 1906 | 78 g. | San Antonio Bronchos | South Texas League | , | |
| Richard Kaufman | 1906 | Bolivar MO | Independent | , | |||
| William Kavanaugh | kavana001wil | 1906 | 5/21-9/8 | New Bedford Whalers | New England League | , | |
| Bill Kay | kay---001wal | 1906 | Staunton VA | Independent | , | ||
| Bill Kay | kay---001wal | 1906 | Martinsburg WV | Independent | , | ||
| Bobby Keefe | keefe-001rob | 1906 | 4/28-6/30 | Montreal Royals | Eastern League | , | |
| Joe Keenan | keenan001jos | 1906 | +7/2 | Montpelier-Barre | Northern Independent | , | |
| Roy Keener | 1906 | 6/10-7/15 | South Bend Greens | Central League | , | ||
| John Kehoe | kehoe-001joh | 1906 | 4/28-9/8 | New Bedford Whalers | New England League | , | |
| Bill Keister | keiste001wil | 1906 | 4/26-9/23 | Jersey City Skeeters | Eastern League | , | |
| Harry Keller | keller004har | 1906 | 6/8-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| A. M. Kelley | 1906 | 47 g. | Burlington Pathfinders | Iowa League | , | ||
| Bill Kelley | kelley006wil | 1906 | 5/1-5/29 | Indianapolis Indians | American Association | , | |
| Bill Kelley | kelley006wil | 1906 | 6/1-7/27 | Grand Rapids Wolverines | Central League | , | |
| Leo Kelley | kelley002leo | 1906 | 5/1-5/24 | New Haven Blues | Connecticut State League | , | |
| Willis Kelley | kelley007wil | 1906 | 2 g. | Portland Beavers | Pacific Coast League | , | |
| Bill Kellogg | kellog001wil | 1906 | no g. | New London Whalers | Connecticut State League | , | |
| Bill Kellogg | kellog001wil | 1906 | 7/9 | Cleburne Railroaders | Texas League | , | |
| W. D.? Kellogg | 1906 | 8/25 | Baltimore Orioles | Eastern League | , | ||
| Kelly | 1906 | 4/29 | Houston Buffaloes | South Texas League | , | ||
| Billy Kelly | kelly-006wil | 1906 | 4/27- | 110 g. | Springfield Babes | Central League | , |
| James Kelly | kelly-002jam | 1906 | 5/10-5/22 | Wilkes-Barre Barons | New York State League | , | |
| John Kelly | kelly-003joh | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| John Kelly | 1906 | +5/20+ | 9 g. | Vicksburg Hill Billies | Cotton States League | , | |
| Billy Kelsey | kelsey002geo | 1906 | 4/25-6/11 | Temple Boll Weevils | Texas League | , | |
| Billy Kelsey | kelsey002geo | 1906 | 7/6-7/24 | St. Paul Saints | American Association | , | |
| Billy Kelsey | kelsey002geo | 1906 | 30 g. | Waterloo Microbes | Iowa League | , | |
| Bill Kemmer | kemmer001wil | 1906 | 5/4-6/14 | St. Joseph Packers/Hutchinson Salt Packers | Western Association | , | |
| Bill Kemmer | kemmer001wil | 1906 | 39 g. | Lake Charles Creoles | South Texas League | , | |
| Albert Kennedy | kenned002alb | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Brickyard Kennedy | kenned005wil | 1906 | 5/21- | 39 g. | Dayton Veterans | Central League | , |
| James Kennedy | kenned006jam | 1906 | 9/1-9/22 | Baltimore Orioles | Eastern League | , | |
| Henry Kenner(Kehner) | 1906 | 8/21 | Wilkes-Barre Barons | New York State League | , | ||
| William Kennoy | kennoy001wil | 1906 | 8/10-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Kenny | 1906 | +4/24+ | 3 g. | Baton Rouge Cajuns | Cotton States League | , | |
| James Kerwin | 1906 | 56 g. | Green Bay Colts | Wisconsin State League | , | ||
| Michael Keveney | 1906 | +7/9-7/22+ | Battle Creek Crickets | Southern Michigan League | , | ||
| B. Kiker | 1906 | Americus Pallbearers | Georgia State League | , | |||
| Edward Kilcoyne | kilcoy001edw | 1906 | Pittston-Brothers | Independent | , | ||
| Felix Kilduff | 1906 | +7/18-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Henry Killeen | killee002hen | 1906 | Belle Vernon | MononVal | , | ||
| Bill Killefer | killef001wil | 1906-09 | St. Edward’s TX | College | , | ||
| Bill Killefer | killef001wil | 1906 | Paw Paw MI | Independent | , | ||
| Bill Killefer | killef001wil | 1906 | 9/23 | Kalamazoo White Sox | Southern Michigan League | , | |
| John Killian | killia001joh | 1906 | 45 g. | Burlington Pathfinders | Iowa League | , | |
| Killilay | 1906 | +4/16+ pre-s | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Harry Killilay | 1906 | 13 g. | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Harry Killilay | 1906 | +8/28-9/3+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| John Killilay | killil001joh | 1906 | +7/27-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| John Killilay | killil001joh | 1906 | 27 g. | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Bert King | king--001ber | 1906 | 5/3-5/ | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Bert King | king--001ber | 1906 | 116 g. | Mattoon-Charleston Canaries | Kentucky-Illinois-Tennessee League | , | |
| Billy Kinloch | kinloc001bil | 1906 | 15 g. | Jackson Senators | Cotton States League | , | |
| Buck Kinnoy | 1906 | Akron Rubbernecks | Ohio-Pennsylvania League | , | |||
| Buck Kinnoy | 1906 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | |||
| William Kirwan | kirwan001wil | 1906 | +9/1+ | Bradford Drillers | Interstate League | , | |
| Rube Kisinger | kising001cha | 1906 | 4/26-9/22 | Buffalo Bisons | Eastern League | , | |
| Butsey Kleeman | kleema001e-- | 1906 | 8/25 | San Antonio Bronchos | South Texas League | , | |
| Butsey Kleeman | kleema001e-- | 1906 | Umpire | South Texas League | , | ||
| George J.? Kline | 1906 | 5/28- | Bartlesville Indians | Kansas State League | , | ||
| John Kline | kline-001joh | 1906 | 6/12-7/5 | South Bend Greens | Central League | , | |
| Fred Klobedanz | klobed001fre | 1906 | 5/8-9/8 | New Bedford Whalers | New England League | , | |
| Adolph Knaupp | 1906 | 8/26-8/27 | San Antonio Bronchos | South Texas League | , | ||
| Hub Knolls | knolls001osc | 1906 | 5/1-5/6 | Brooklyn | National League | Brooklyn, NY | |
| Joe Knotts | knotts002jos | 1906 | 4/27-9/7 | Worcester Busters | New England League | , | |
| Ben Koehler | koehle001ber | 1906 | - 10/7 | 66 g. | St. Louis | American League | St. Louis, MO |
| Henry Kohler | 1906 | +6/27-9/9 | Coffeyville Bricks | Kansas State League | , | ||
| Fred Kossuch | kossuc001fre | 1906 | +5/19+ | Detr.-Burroughs | Independent | , | |
| David Kraft | kraft-001dav | 1906 | 9/12-9/16 | Kansas City Blues | American Association | , | |
| Warren Kraner | kraner001w-- | 1906 | 28 g. | Green Bay Colts | Wisconsin State League | , | |
| Bernard Kratzberg | 1906 | 5/7-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Bernard Kratzberg | 1906 | 7/2 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Bernard Kratzberg | 1906 | 7/ | Greeley KS | Independent | , | ||
| Charles Krebs | 1906 | 5/1-5/21 | New Haven Blues | Connecticut State League | , | ||
| Ed Krebs | krebs-001edw | 1906 | 67 g. | Burlington Pathfinders | Iowa League | , | |
| Guy Kretzer | 1906 | 5/4-6/14 | Coffeyville Bricks | Kansas State League | , | ||
| Rube Kroh | kroh--001aug | 1906 | 9/30 | Boston | American League | Boston, MA | |
| William Krueger | kruege002wil | 1906 | 118 g. | Marshalltown Brownies | Iowa League | , | |
| Abe Kruger | kruger001abr | 1906 | 7/23-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Harry Kubitz | kubitz001har | 1906 | +7/6+ | Bay City | Interstate Association | , | |
| Louis Kuehn | 1906 | +4/30-5/19+ | South Bend Greens | Central League | , | ||
| Louis Kuehn | 1906 | Springfield Babes | Central League | , | |||
| Louis Kuehn | 1906 | +5/30-7/10 | South Bend Greens | Central League | , | ||
| Charlie Kuhns | kuhns-001cha | 1906 | 5/30-7/14 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Adam Kummer | 1906 | 8/10 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| George LaBelle | labell001geo | 1906 | 5/17-6/ | Kalamazoo White Sox | Southern Michigan League | , | |
| George LaBelle | labell001geo | 1906 | LaPorte IN | Independent | , | ||
| George LaBelle | labell001geo | 1906 | +7/11+ | South Bend Greens | Central League | , | |
| Charles Lacy | 1906 | 28 g. | Beaumont Oilers | South Texas League | , | ||
| Hi Ladd | ladd--001art | 1906 | Bridgeport Orators | Connecticut State League | , | ||
| James Lafitte | 1906 | +7/25-9/5+ | Macon Brigands | South Atlantic League | , | ||
| Datus Lagoe | 1906 | Bay City MI | Independent | , | |||
| James Laird | laird-001jam | 1906 | 4/19-8/30 | Baton Rouge Cajuns | Cotton States League | , | |
| Lally | 1906 | 20 g. | Bartlesville Indians | Kansas State League | , | ||
| Hugh Lally | lally-001hug | 1906 | 120 g. | Boone/Clinton Miners | Iowa League | , | |
| Albert Landgraff | landgr002alb | 1906 | Vicksburg Hill Billies | Cotton States League | , | ||
| John Landry | 1906 | +6/21-9/23 | Battle Creek Crickets | Southern Michigan League | , | ||
| John Lannon | 1906 | 81 g. | Green Bay Colts | Wisconsin State League | , | ||
| Tommy Lannon | 1906 | Brid.-Nationals | Independent | , | |||
| Tommy Lannon | 1906 | 7/18-8/28 | Bridgeport Orators | Connecticut State League | , | ||
| Edward Larkin | larkin001edw | 1906 | DuBois Miners | Interstate League | , | ||
| Patrick Larkin | larkin001p-- | 1906 | DuBois Miners | Interstate League | , | ||
| Sam LaRocque | larocq001sam | 1906 | 121 g. | Beaumont Oilers | South Texas League | , | |
| Benjamin Larrabee | larrab001ben | 1906 | 4/27-9/6 | Lynn Shoemakers | New England League | , | |
| Bill Lattimore | lattim001wil | 1906 | 4/28-8/3 | South McAlester Miners | South Central League | , | |
| Bill Lattimore | lattim001wil | 1906 | 8/14-9/23 | Webb City Goldbugs | Western Association | , | |
| Michael Lattin | 1906 | +7/30+ | Balt.-B. H. & Co. | Independent | , | ||
| Eddie Laughlin | laughl000edd | 1906 | Beverly MA | Independent | , | ||
| Eddie Laughlin | laughl000edd | 1906 | +8/8-8/23+ | Montpelier-Barre | Northern Independent | , | |
| Bill Lauterborn | lauter001wil | 1906 | 5/11-9/23 | Binghamton Bingoes | New York State League | , | |
| Mike Lawrence | lawren001mic | 1906 | +6/1-6/3+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Bob Lawson | lawson003rob | 1906 | 1 g.? | Richmond Colts | Virginia League | , | |
| Bob Lawson | lawson003rob | 1906 | +6/16+ | Stroudsburg | Blue Mountain League | , | |
| Jack Lawson | 1906 | 7/27-9/1 | New Haven Blues | Connecticut State League | , | ||
| Benjamin Leach | 1906 | +7/3+ | Stevensville MT | Independent | , | ||
| Tom Leahy | leahy-002tho | 1906 | 4/24-9/16 | Kansas City Blues | American Association | , | |
| Austin LeBrand | lebran001aus | 1906 | Globe AZ | Independent | , | ||
| Bill LeGrande | legran001w-- | 1906 | +3/17+ | Bingham School | Academy | , | |
| Bill LeGrande | legran001w-- | 1906 | no g. | Augusta Tourists | South Atlantic League | , | |
| Bill LeGrande | legran001w-- | 1906 | +6/16-8/18+ | Stroudsburg | Blue Mountain League | , | |
| Bill LeGrande | legran001w-- | 1906 | 9/7-9/8 | Lynchburg Shoemakers | Virginia League | , | |
| George Lehr | 1906 | 5/3-6/1 | Chanute Browns | Kansas State League | , | ||
| Jim Leighton | leight001jam | 1906 | +6/11-6/28+ | Vicksburg Hill Billies | Cotton States League | , | |
| Bill Leith | leith-001bil | 1906 | 4/28-9/6 | Lawrence Colts | New England League | , | |
| George Leitner | leitne001geo | 1906 | 4/20-6/5 | Baton Rouge Cajuns | Cotton States League | , | |
| Bill Lelivelt | lelive001wil | 1906 | 5/4-9/15 | Davenport Knickerbockers | Illinois-Indiana-Iowa League | , | |
| Ed Lennox | lennox001jam | 1906 | 8/22-9/19 | Rochester Bronchos | Eastern League | , | |
| Charles Leonard | leonar006cha | 1906 | Milwaukee Brewers | American Association | , | ||
| Levy | 1906 | 7/4-8/10 | Bridgeport Orators | Connecticut State League | , | ||
| Dudley Lewis | 1906 | 5/5-6/18+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Phil Lewis | lewis-001phi | 1906 | 136 g. | Brooklyn | National League | Brooklyn, NY | |
| Walter Lewis | 1906 | Baker University | College | , | |||
| Walter Lewis | 1906 | 47 g. | Chanute Browns | Kansas State League | , | ||
| William Lillis | lillis001wil | 1906 | +5/27-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| Vive Lindaman | lindam001viv | 1906 | 4/14- | 39 g. | Boston | National League | Boston, MA |
| Bob Lindemann | lindem002joh | 1906 | 4/28-6/25 | New Castle Outlaws | Ohio-Pennsylvania League | , | |
| Bob Lindemann | lindem002joh | 1906 | 7/27-9/15 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Albert Linderbeck | linder001alb | 1906 | South Bend Greens | Central League | , | ||
| Albert Linderbeck | linder001alb | 1906 | +6/21-6/23+ | South Bend Greens | Central League | , | |
| Howard Lindley | lindle001how | 1906 | +9/26+ | Weir City Browns | Independent | , | |
| Charles Lindsay | 1906 | Beaver Falls | Western Pennsylvania | , | |||
| Dave Lindsay | 1906 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |||
| William Ling | 1906 | Booneville IN | Independent | , | |||
| Perry Lipe | lipe--001per | 1906 | 4/16-9/3 | Macon Brigands | South Atlantic League | , | |
| Pete Lister | lister001mor | 1906 | Portland Beavers | Pacific Coast League | , | ||
| Daniel Littlepage | 1906 | Birm.-Southern | College | , | |||
| Lobert | 1906 | 8/6 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Frank Loehner | loehne000fra | 1906 | Bonner MT | Independent | , | ||
| James Long | long--001art | 1906 | 4/16-5/31+ | Macon Brigands | South Atlantic League | , | |
| James Long | long--006jam | 1906 | 4/28-5/3 | San Antonio Bronchos | South Texas League | , | |
| Bris Lord | lord--001bri | 1906 | Philadelphia | American League | Philadelphia, PA | ||
| Harry Lord | lord--001har | 1906 | 5/4-9/7 | Worcester Busters | New England League | , | |
| Charlie Loudenslager | louden001cha | 1906 | 4/26-9/22 | Rochester Bronchos | Eastern League | , | |
| James Love | love--002jam | 1906 | Bellevernon PA | Independent | , | ||
| Bobby Lovely | lovely001rob | 1906 | Oswego | Empire State League | , | ||
| Robert Loxson | noxon-001--- | 1906 | 8/7-8/21 | Bridgeport Orators | Connecticut State League | , | |
| Bill Luby | luby--001wil | 1906 | 5/1-9/8 | Springfield Ponies | Connecticut State League | , | |
| Con Lucid | lucid-001con | 1906 | 5/1-5/19 | Temple Boll Weevils | Texas League | , | |
| Bernard Ludes | 1906 | KS Weslehan | College | , | |||
| Bernard Ludes | 1906 | Salina-Bankers | Independent | , | |||
| Bill Ludwig | ludwig002wil | 1906 | 5/3-9/16 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| William Ludwig | 1906 | 4 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Billy Lush | lush--001wil | 1906 | Yale Univ. | College | , | ||
| Billy Lush | lush--001wil | 1906 | 6/23-7/ | Plattsburgh | Northern Independent League | , | |
| Billy Lush | lush--001wil | 1906 | Rockville CT | Independent | , | ||
| Bobby Lynch | lynch-006rob | 1906 | Chic.-Logan Square | Independent | , | ||
| W. H. Lynch | 1906 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |||
| W. H. Lynch | 1906 | 5/3-6/27 | Coffeyville Bricks | Kansas State League | , | ||
| W. H. Lynch | 1906 | 7/3- | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Peter Lyons | 1906 | 20 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Blake Lytle | 1906 | 5/31-6/16 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Billy Mackey | mackey003wil | 1906 | Umpire | Hudson River League | , | ||
| Bunny Madden | madden001tho | 1906 | 5/26-9/7 | Lynn Shoemakers | New England League | , | |
| Tommy Madden | madden003tho | 1906 | 9/10- | 4 g. | Boston | National League | Boston, MA |
| Bill Magee | magee-001wil | 1906 | 5/17-8/19 | Wilkes-Barre Barons | New York State League | , | |
| James Magee | 1906 | 5/10-9/22 | Wilkes-Barre Barons | New York State League | , | ||
| Jake Magie | magie-001jac | 1906 | 5/29-9/23 | Wilkes-Barre Barons | New York State League | , | |
| Jack Mahaffey | mahaff001joh | 1906 | 5/19-6/13 | Binghamton Bingoes | New York State League | , | |
| Tom Maher | maher-001tho | 1906 | 4/27-9/7 | Worcester Busters | New England League | , | |
| Edward Mahley | 1906 | 5/78-5/25 | Coffeyville Bricks | Kansas State League | , | ||
| Willard Mains | mains-001wil | 1906 | 6/29 | Binghamton Bingoes | New York State League | , | |
| Major | 1906 | Evan.-Seal Backs | Independent | , | |||
| Burton Major | major-000bur | 1906 | Auburn | Empire State League | , | ||
| Charlie Malay | malay-001cha | 1906 | 7/26-9/12 | Rochester Bronchos | Eastern League | , | |
| Mallory | 1906 | Temple Boll Weevils | Texas League | , | |||
| Billy Maloney | malone003wil | 1906 | Brooklyn | National League | Brooklyn, NY | ||
| John Manning | mannin001joh | 1906 | 4/26 | Rochester Bronchos | Eastern League | , | |
| Bobby Mantel | 1906 | Cornell Univ. | College | , | |||
| Bobby Mantel | 1906 | Ithaca NY | Independent | , | |||
| William Marnin | mornin001--- | 1906 | Bradford Drillers | Interstate League | , | ||
| Doc Martell | martel001leo | 1906 | +7/10+ | Burlington | Northern Independent League | , | |
| Doc Martell | martel001leo | 1906 | +9/1-9/3+ | DuBois Miners | Interstate League | , | |
| Harry Martin | martin007har | 1906 | +5/27-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| Claudius Mason | mason-001cla | 1906 | 21 g. | Chanute Browns | Kansas State League | , | |
| Del Mason | mason-001ade | 1906 | 4/27-9/19 | Baltimore Orioles | Eastern League | , | |
| Bill Massey | massey001bil | 1906 | 4/27-6/28 | Montreal Royals | Eastern League | , | |
| Bill Massey | massey001bil | 1906 | 7/3-9/8 | Holyoke Paperweights | Connecticut State League | , | |
| John Massing | massin001joh | 1906 | 104 g. | Houston Buffaloes | South Texas League | , | |
| Mathers | 1906 | 7/28-7/31 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Mathers | 1906 | 9/10 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| William Mathis | 1906 | 5/8 | Chanute Browns | Kansas State League | , | ||
| William Mathis | 1906 | 7/23 | Chanute Browns | Kansas State League | , | ||
| Harry Matthews | matthe001har | 1906 | 4/11-9/15 | Birmingham Barons | Southern Association | , | |
| Bernard Maurer | maurer001ber | 1906 | 5/14-9/23 | Syracuse Stars | New York State League | , | |
| Bert Maxwell | maxwel001jam | 1906 | 4/19-9/1 | Montgomery Senators | Southern Association | , | |
| Bert Maxwell | maxwel001jam | 1906 | 9/12 | Pittsburgh | National League | Pittsburgh, PA | |
| Elwood Maxwell | maxwel001c-- | 1906 | 8/10-8/25 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Jack McAleese | mcalee001joh | 1906 | 5/7-5/9 | Baltimore Orioles | Eastern League | , | |
| L. B. McAlester | 1906 | South McAlester Miners | South Central League | , | |||
| L. B. McAlester | 1906 | 8/12-8/23 | Dallas Giants | Texas League | , | ||
| L. B. McAlester | 1906 | Amarillo TX | Independent | , | |||
| Sport McAllister | mcalli001lew | 1906 | 6/2-9/22 | Buffalo Bisons | Eastern League | , | |
| Robert McAuley | mcaule001rob | 1906 | 111 g. | Green Bay Colts | Wisconsin State League | , | |
| Walter McBirney | mcbirn001--- | 1906 | Syracuse Univ | College | , | ||
| Walter McBirney | mcbirn001--- | 1906 | 6/13-8/7 | Utica Pent-Ups | New York State League | , | |
| Walter McBirney | mcbirn001--- | 1906 | Norwich CT | Independent | , | ||
| George McBride | mcbrid001geo | 1906 | 90 g. | St. Louis | National League | St. Louis, MO | |
| George McBride | mcbrid001geo | 1906 | 7/26-9/16 | Kansas City Blues | American Association | , | |
| Bill McCabe | mccabe005wil | 1906 | Poughkeepsie Colts | Hudson River League | , | ||
| McCain | 1906 | 5/26-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Harry McCain | 1906 | +7/22-9/23 | Battle Creek Crickets | Southern Michigan League | , | ||
| Jack McCallister | mccall001jac | 1906 | 5/10-9/23 | Binghamton Bingoes | New York State League | , | |
| Jack McCarthy | mccart003joh | 1906 | 91 g. | Brooklyn | National League | Brooklyn, NY | |
| Tom McCarthy | mccart005tho | 1906 | +6/2-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| William McCarthy | mccart008wil | 1906 | 4/21 | Boston | National League | Boston, MA | |
| William McCauley | 1906 | 5/15-6/2+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Bernard McCay | mccay-001ber | 1906 | 4/19-9/4 | Baton Rouge Cajuns | Cotton States League | , | |
| Bernard McCay | mccay-001ber | 1906 | 9/6-9/15 | Little Rock Travelers | Southern Association | , | |
| Harry McChesney | mcches001har | 1906 | 4/18-9/16 | Milwaukee Brewers | American Association | , | |
| Edward McCleary | 1906 | 8/6-8/30 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| James McClintock | 1906 | 5/7-9/9 | Chanute Browns | Kansas State League | , | ||
| George McConnell | mcconn001geo | 1906 | 4/26-9/22 | Buffalo Bisons | Eastern League | , | |
| McCormick | 1906 | Boone/Clinton Miners | Iowa League | , | |||
| Barry McCormick | mccorm002wil | 1906 | 4/18-9/16 | Milwaukee Brewers | American Association | , | |
| Frank McCormick | mccorm002fra | 1906 | 5/7-5/18 | Rochester Bronchos | Eastern League | , | |
| Louis McCormick | mccorm001l-- | 1906 | 34 g. | San Antonio Bronchos | South Texas League | , | |
| Bill McCorry | mccorr001wil | 1906 | Plattsburgh | Northern Independent League | , | ||
| Alexander McCracken | 1906 | 8/10-8/25 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Mater McCrea | 1906 | 5/29 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Mater McCrea | 1906 | 6/25-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Mater McCrea | 1906 | 7/14-7/18 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Hugh McCredie | 1906 | 7/8 | Shawnee Blues | South Central League | , | ||
| Hugh McCredie | 1906 | 7/13 | Coffeyville Bricks | Kansas State League | , | ||
| Judge McCredie | mccred001wal | 1906 | 153 g. | Portland Beavers | Pacific Coast League | , | |
| Wallace McCrory | 1906 | 5/25 | Chanute Browns | Kansas State League | , | ||
| Hugh McCulley | 1906 | 4/25-6/30 | Temple Boll Weevils | Texas League | , | ||
| William McCutcheon | mccutc000bil | 1906 | +7/29+ | SSM-Brimley | Independent | , | |
| Will McDevitt | mcdevi001wil | 1906 | Vicksburg Hill Billies | Cotton States League | , | ||
| Edward McDonald | mcdona002edw | 1906 | 4/28- | New Bedford Whalers | New England League | , | |
| Edward McDonald | mcdona002edw | 1906 | -9/8 | New Bedford Whalers | New England League | , | |
| Harry McDonald | 1906 | 5/7 | Chanute Browns | Kansas State League | , | ||
| Harry McDonald | 1906 | 5/11 | Coffeyville Bricks | Kansas State League | , | ||
| Patrick McDonald | 1906 | 51 g. | Baltimore Orioles | Eastern League | , | ||
| Harry McDonnell | 1906 | 6/23-7/11+ | Battle Creek Crickets | Southern Michigan League | , | ||
| P. J. McDonnell | 1906 | 6/5-9/5 | Baltimore Orioles | Eastern League | , | ||
| Joseph McDowell | 1906 | New Bedford Whalers | New England League | , | |||
| Mickey McDowell | 1906 | 5/3-6/28+ | Coffeyville Bricks | Kansas State League | , | ||
| John McEvoy | 1906 | 121 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Chappie McFarland | mcfarl002cha | 1906 | 8/7 | Brooklyn | National League | Brooklyn, NY | |
| Roy McFarland | mcfarl001roy | 1906 | 29 g. | San Antonio Bronchos | South Texas League | , | |
| Bill McGill | mcgill004wil | 1906 | 38 g. | Austin Senators | South Texas League | , | |
| Bill McGilvray | mcgilv001wil | 1906 | 5/13-9/30 | Pueblo Indians | Western League | , | |
| Bill McGilvray | mcgilv001wil | 1906 | 15 g. | Seattle Siwashes | Pacific Coast League | , | |
| McGilvy | 1906 | 9/4 | South Bend Greens | Central League | , | ||
| McGinley | 1906 | 5/3-5/9 | Chanute Browns | Kansas State League | , | ||
| James McGinty | 1906 | 8/7-9/14 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| McGovern | 1906 | 7/23- | Burlington | Northern Independent League | , | ||
| Bernard McGraw | mcgraw009--- | 1906 | 4/28-5/11 | Lowell Tigers | New England League | , | |
| Bob McHale | mchale001bob | 1906 | 5/4-9/30 | Denver Grizzlies | Western League | , | |
| Jim McHale | mchale001jam | 1906 | 171 g. | Portland Beavers | Pacific Coast League | , | |
| John McIlvaine | 1906 | 7/23-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| John McIlvaine | 1906 | 8/8-9/14 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Harry McIntire | mcinti001joh | 1906 | 45 g. | Brooklyn | National League | Brooklyn, NY | |
| Butch McIntyre | mcinty001cha | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| Bernard McKay | mccay-001ber | 1906 | Furman | College | , | ||
| Bernard McKay | mccay-001ber | 1906 | Baton Rouge Cajuns | Cotton States League | , | ||
| Bernard McKay | mccay-001ber | 1906 | Little Rock Travelers | Southern Association | , | ||
| Bernard McKay | mccay-001ber | 1906 | Mobile Sea Gulls | Cotton States League | , | ||
| Bill McKechnie | mckech001wil | 1906 | +5/13+ | Butler PA | Independent | , | |
| Bill McKechnie | mckech001wil | 1906 | 5/24-9/15 | Washington | Pennsylvania-Ohio-Maryland League | , | |
| McKellar | 1906 | 5/14 | Springfield Babes | Central League | , | ||
| Frank McKelvey | 1906 | 5/12-5/27 | Bartlesville Indians | Kansas State League | , | ||
| James McKenna | mckenn001jam | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| James McKenna | 1906 | 5/24-5/25 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| James McKenna | 1906 | 9/4-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Donald McKim | mckim-001don | 1906 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| R. A. McKnight | 1906 | +6/13+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Marcus McLafferty | 1906 | Butler PA | Independent | , | |||
| McLaughlin | 1906 | 6/2-6/20+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Barney McLaughlin | mclaug003ber | 1906 | 4/27- | Manchester Textiles | New England League | , | |
| Barney McLaughlin | mclaug003ber | 1906 | -7/20 | Lowell Tigers | New England League | , | |
| Larry McLean | mclean001joh | 1906 | 82 g. | Portland Beavers | Pacific Coast League | , | |
| Sam McLean | mclean001fra | 1906 | 4/27-9/20 | Rochester Bronchos | Eastern League | , | |
| McLeavy | mcleav000--- | 1906 | Rich.-Brownies | , | |||
| Dan McMahon | mcmaho002dan | 1906 | +7/25-8/9+ | Montpelier-Barre | Northern Independent | , | |
| Frank McManus | mcmanu001fra | 1906 | 4/26-9/15 | Buffalo Bisons | Eastern League | , | |
| Tommy McMillan | mcmill004tho | 1906 | 91 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Hugh McMurray | mcmurr002hug | 1906 | 110 g. | Beaumont Oilers | South Texas League | , | |
| Bill McNamara | mcnama001wil | 1906 | 5/10-6/9 | Utica Pent-Ups | New York State League | , | |
| Bill McNamara | mcnama001wil | 1906 | 6/11-9/23 | Albany Senators | New York State League | , | |
| Harry McNeal | mcneal001joh | 1906 | 5/16-9/18 | Baltimore Orioles | Eastern League | , | |
| Bernard McNeil | mcneil001ber | 1906 | 5/14-9/23 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| James McShane | 1906 | +5/7-5/10+ | Bay City | Interstate Association | , | ||
| James McShane | 1906 | +6/1-6/7+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Daniel McSurdy | mcsurd001dan | 1906 | 5/14-9/22 | Binghamton Bingoes | New York State League | , | |
| Thomas McTighe | 1906 | 2 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| A. Meagher | 1906 | Worcester Busters | New England League | , | |||
| Bill Mecherly | 1906 | Read.-PRR | Independent | , | |||
| Daniel Meehan | meehan001dan | 1906 | Macon Brigands | South Atlantic League | , | ||
| Harry Meek | meek--001her | 1906 | 6/25-9/15 | Birmingham Barons | Southern Association | , | |
| Billy Mehl | mehl--001wil | 1906 | 5/19-7/27+ | Fargo | Northern-Copper Country League | , | |
| Omar Mehl | mehl--001oma | 1906 | 6/17- | 36 g. | Bartlesville Indians | Kansas State League | , |
| Bill Mellor | mellor001wil | 1906 | 121 g. | Beaumont Oilers | South Texas League | , | |
| Mercer | 1906 | Columbus/Brunswick River Snipes | Georgia State League | , | |||
| Mercer | 1906 | +6/25+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Joseph Mercer | 1906 | 5/5-6/27+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Charles Merkel | 1906 | 5/4-6/2 | Temple Boll Weevils | Texas League | , | ||
| Dominic Merkle | merkle002dom | 1906 | 1 g. | Portland Beavers | Pacific Coast League | , | |
| Sidney Merryman | merrym001sid | 1906 | 4/27-9/21 | Springfield Babes | Central League | , | |
| Jack Messerly | messer001joh | 1906 | 5/11-7/11 | Binghamton Bingoes | New York State League | , | |
| Benjamin Metz | 1906 | +8/12+ | Lafayette CO | Independent | , | ||
| Benny Meyer | meyer-001ber | 1906 | 4/25-7/28+ | Dallas Giants | Texas League | , | |
| Benny Meyer | meyer-001ber | 1906 | 8/1-9/17 | St. Paul Saints | American Association | , | |
| Maurice Meyers | 1906 | Battle Creek Crickets | Southern Michigan League | , | |||
| Charlie Middleton | middle002cha | 1906 | 100 g. | Boone/Clinton Miners | Iowa League | , | |
| Charlie Middleton | middle002cha | 1906 | Burlington Pathfinders | Iowa League | , | ||
| Midkiff | 1906 | +6/30+ | 6 g. | South Bend Greens | Central League | , | |
| Clyde Milan | milan-001jes | 1906 | +5/4-7/21 | Shawnee Blues | South Central League | , | |
| Al Miller | miller005al- | 1906 | 5/3+ | 11 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , |
| Eric Miller | miller021--- | 1906 | Vicksburg Hill Billies | Cotton States League | , | ||
| Raymond Miller | 1906 | 8/11-9/5 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Billy Milligan | millig002wil | 1906 | 4/27-9/22 | Buffalo Bisons | Eastern League | , | |
| Krozer Milliman | 1906 | 8/11-9/6 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Mike Mitchell | mitche002mic | 1906 | 164 g. | Portland Beavers | Pacific Coast League | , | |
| Philo Mobley | 1906 | 1 g. | Portland Beavers | Pacific Coast League | , | ||
| Elmer Moffitt | moffit001elm | 1906 | 5/2-9/20 | South Bend Greens | Central League | , | |
| Kitty Mogg | 1906 | +6/11-6/20+ | Mount Clemens Bathers | Southern Michigan League | , | ||
| Carlton Molesworth | molesw001car | 1906 | 4/11-9/15 | Birmingham Barons | Southern Association | , | |
| Gus Monet | 1906 | +4/29+ | No. Buffalos | Independent | , | ||
| Gus Monet | 1906 | +10/15+ | Buff.-Glasgows | Independent | , | ||
| Benton Montgomery | 1906 | 5/24-9/15 | Waynesburg | Pennsylvania-Ohio-Maryland League | , | ||
| Roy Montgomery | montgo001roy | 1906 | 4/11-9/15 | Birmingham Barons | Southern Association | , | |
| Harry Moody | moody-001har | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Dell Moon | 1906 | 5/31-7/7+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Mooney | mooney015--- | 1906 | 4/25-5/3 | Temple Boll Weevils | Texas League | , | |
| Carl Moore | moore-007car | 1906 | 5/8-7/21 | Shawnee Blues | South Central League | , | |
| Eugene Moore | 1906 | 7/19-9/21 | South Bend Greens | Central League | , | ||
| Frederick Moore | moore-001fre | 1906 | -6/30 | 44 g. | Temple Boll Weevils | Texas League | , |
| Charles Moran | moran-003cha | 1906 | 4/27-9/22 | Rochester Bronchos | Eastern League | , | |
| Herbie Moran | moran-002joh | 1906 | DuBois Miners | Interstate League | , | ||
| James Morgan | morgan001rus | 1906 | 5/24-6/7 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| James Morgan | morgan001rus | 1906 | 7/2-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Red Morgan | morgan003jam | 1906 | 6/20-10/6 | Boston | American League | Boston, MA | |
| Bill Moriarty | moriar002wil | 1906 | 120 g. | Freeport Pretzels | Wisconsin State League | , | |
| Jim Moroney | morone002jam | 1906 | 4/24- | 3 g. | Boston | National League | Boston, MA |
| Bill Morrison | morris008wil | 1906 | 5/4-7/14 | Pueblo Indians | Western League | , | |
| Bill Morrison | morris008wil | 1906 | 7/21-7/24 | Omaha Rourkes | Western League | , | |
| Frank Morrissey | morris003mic | 1906 | 5/2-8/15 | New Bedford Whalers | New England League | , | |
| Banks Moulder | moulde001ban | 1906 | 5/16 | Temple Boll Weevils | Texas League | , | |
| Mike Mowrey | mowrey001har | 1906 | 6/7-8/24 | Baltimore Orioles | Eastern League | , | |
| Joseph Mowry | mowrey001jos | 1906 | 4/28-9/3 | Houston Buffaloes | South Texas League | , | |
| Jimmy Moynihan | 1906 | Buffalo City League | , | ||||
| Ed Mullaney | mullan001edw | 1906 | 4/28-8/25 | New Bedford Whalers | New England League | , | |
| Jim Mullen | mullin001jam | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| Wilbur Murdoch | murdoc001wil | 1906 | 4/16-9/3 | Macon Brigands | South Atlantic League | , | |
| Murphy | 1906 | 5 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Pat Murphy | murphy076--- | 1906 | 6/27-7/9 | Coffeyville Bricks | Kansas State League | , | |
| Pat Murphy | murphy076--- | 1906 | 7/13 | Chanute Browns | Kansas State League | , | |
| Pat Murphy | murphy076--- | 1906 | +7/17-7/30+ | Bartlesville Indians | Kansas State League | , | |
| Patrick Murphy | murphy003pat | 1906 | 41 g. | Bridgeport Orators | Connecticut State League | , | |
| Murray | 1906 | 5/25-5/28 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Billy Murray | murray007wil | 1906 | 4/26-9/23 | Jersey City Skeeters | Eastern League | , | |
| Ernest Murray | murray001ern | 1906 | 8/19-9/23 | Binghamton Bingoes | New York State League | , | |
| Jim Murray | murray008jam | 1906 | 4/26-9/22 | Buffalo Bisons | Eastern League | , | |
| Myers | 1906 | 9/16 | South Bend Greens | Central League | , | ||
| Bade Myers | myers-002wil | 1906 | 4/27-9/25 | Canton Chinamen | Central League | , | |
| Tommy Mylett | mylett002tho | 1906 | 8/30-9/5 | Wilkes-Barre Barons | New York State League | , | |
| Billy Nattress | nattre001wil | 1906 | 4/26-9/22 | Buffalo Bisons | Eastern League | , | |
| John Nee | 1906 | +7/29+ | Bolivar MO | Independent | , | ||
| Tom Needham | needha001tho | 1906 | Boston | National League | Boston, MA | ||
| Lloyd Nefeau | nefeau001llo | 1906 | DuBois Miners | Interstate League | , | ||
| Cecil Neighbors | neighb001fle | 1906 | 121 g. | Burlington Pathfinders | Iowa League | , | |
| Clarence Nelson | nelson001cla | 1906 | 24 g. | Houston Buffaloes | South Texas League | , | |
| J. W. Nelson | 1906 | 7/24-8/16 | Rochester Bronchos | Eastern League | , | ||
| Archibald Neuschafer | 1906 | +9/1-9/23 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Frank Newberry | 1906 | Wilkes-Barre Barons | New York State League | , | |||
| Ray Newcomb | 1906 | Bay City MI | Independent | , | |||
| Charley Newell | 1906 | 7/11-7/14+ | Shawnee Blues | South Central League | , | ||
| Arthur Newman | newman001art | 1906 | 5/5 | Bridgeport Orators | Connecticut State League | , | |
| Pat Newnam | newnam001pat | 1906 | 125 g. | Houston Buffaloes | South Texas League | , | |
| Al Newnham | newnha001alf | 1906 | DuBois Miners | Interstate League | , | ||
| Tom News | news--001tho | 1906 | Bradford Drillers | Interstate League | , | ||
| Eugene Newton | 1906 | 5/31-6/8 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| J. Wesley Nicholls | nichol001j-- | 1906 | 3 g. | Temple Boll Weevils | Texas League | , | |
| J. Wesley Nicholls | nichol001j-- | 1906 | 5/14-5/17 | Temple Boll Weevils | Texas League | , | |
| Nichols | 1906 | 5/1-7/14+ | Shawnee Blues | South Central League | , | ||
| Charles Nichols | 1906 | +6/19+ | 9 g. | Bartlesville Indians | Kansas State League | , | |
| Harry Nickens | nicken001har | 1906 | 4/26-5/3 | Macon Brigands | South Atlantic League | , | |
| Bernard Nippert | nipper001ben | 1906 | Augusta Tourists | South Atlantic League | , | ||
| Bernard Nippert | nipper001ben | 1906 | 45 g. | Paducah Indians | Kentucky-Illinois-Tennessee League | , | |
| Bert Noblett | noblet001j-- | 1906 | Mississippi State | College | , | ||
| Bert Noblett | noblet001j-- | 1906 | 5/7-5/17 | Montgomery Senators | Southern Association | , | |
| Bert Noblett | noblet001j-- | 1906 | 5/18-8/6 | Little Rock Travelers | Southern Association | , | |
| Edward Nolte | 1906 | 4/30-9/8 | New Haven Blues | Connecticut State League | , | ||
| Norton | 1906 | Battle Creek Crickets | Southern Michigan League | , | |||
| Nowotny | 1906 | 6/13-6/20 | Temple Boll Weevils | Texas League | , | ||
| O'Brien | 1906 | 5/21 | Roanoke Tigers | Virginia League | , | ||
| Danny O'Brien | 1906 | 14 g. | Jacksonville Jacks | Kentucky-Illinois-Tennessee League | , | ||
| Danny O'Brien | 1906 | Mattoon-Charleston Canaries | Kentucky-Illinois-Tennessee League | , | |||
| Frank O'Brien | obrien003fra | 1906 | 24 g. | San Francisco Seals | Pacific Coast League | , | |
| Frank O'Brien | obrien003fra | 1906 | Fresno Raisin Eaters | Pacific Coast League | , | ||
| Hugh O'Brien | obrien001h-- | 1906 | 113 g. | Gulfport Crabs | Cotton States League | , | |
| Hugh O'Brien | obrien001h-- | 1906 | Mobile Sea Gulls | Cotton States League | , | ||
| Jack O'Brien | obrien005joh | 1906 | 5/11-9/4 | Troy Trojans | New York State League | , | |
| Jack O'Brien | 1906 | 5/1-6/8 | Portsmouth Truckers | Virginia League | , | ||
| Jack O'Brien | 1906 | 7/11-8/18 | Sumter Game Cocks | South Carolina League | , | ||
| Jack O'Brien | 1906 | 8/21-8/22 | Norfolk Tars | Virginia League | , | ||
| James O'Brien | obrien004jam | 1906 | 4/26-7/9 | Rochester Bronchos | Eastern League | , | |
| James O'Brien | obrien004jam | 1906 | 7/12-9/17 | Toronto Maple Leafs | Eastern League | , | |
| John O'Brien | obrien009joh | 1906 | 4/27-9/8 | Umpire | New England League | , | |
| Michael O'Brien | 1906 | Dartmouth Col. | College | , | |||
| Michael O'Brien | 1906 | Rochester NH | Independent | , | |||
| Michael O'Brien | 1906 | 7/19-8/17 | Binghamton Bingoes | New York State League | , | ||
| Mickey O'Brien | 1906 | 113 g. | Gulfport Crabs | Cotton States League | , | ||
| Mickey O'Brien | 1906 | Mobile Sea Gulls | Cotton States League | , | |||
| Pete O'Brien | obrien001pet | 1906 | 151 g. | St. Louis | American League | St. Louis, MO | |
| Thomas O'Brien | obrien002t-- | 1906 | 9/1-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Thomas O'Brien | 1906 | 4/18-5/28 | Charleston Sea Gulls | South Atlantic League | , | ||
| Thomas O'Brien | 1906 | 5/31-7/6 | Jacksonville Jays | South Atlantic League | , | ||
| William O'Brien | obrien007wil | 1906 | 140 g. | New Orleans Pelicans | Southern Association | , | |
| A. O'Connor | 1906 | DuBois Miners | Interstate League | , | |||
| Alfred O'Dell | odell-002alf | 1906 | 65 g. | Bridgeport Orators | Connecticut State League | , | |
| Martin O'Gara | ogara-001mar | 1906 | 5/7-6/9 | New Bedford Whalers | New England League | , | |
| Martin O'Gara | ogara-001mar | 1906 | 7/19 | Bridgeport Orators | Connecticut State League | , | |
| Bill O'Hara | ohara-002wil | 1906 | 4/26-9/22 | Baltimore Orioles | Eastern League | , | |
| Ed O'Leary | 1906 | 9/11-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| George O'Leary | oleary001geo | 1906 | Springfield Babes | Central League | , | ||
| O'Neil | 1906 | 8/24-8/25 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Jack O'Neill | oneill008joh | 1906 | -10/3 | 61 g. | Boston | National League | Boston, MA |
| Jim O'Rourke | orourk003jam | 1906 | 93 g. | Bridgeport Orators | Connecticut State League | , | |
| Jimmy O'Rourke | orourk005jam | 1906 | 127 g. | Bridgeport Orators | Connecticut State League | , | |
| Frank Oberlin | oberli002fra | 1906 | 4/18-9/11 | Milwaukee Brewers | American Association | , | |
| Frank Oberlin | oberli002fra | 1906 | 4 g. | Boston | American League | Boston, MA | |
| Hank Olmsted | olmste001hen | 1906 | 4/22-6/10 | 11 g. | Kansas City Blues | American Association | , |
| Edward Opfergelt | opferg000edw | 1906 | +7/2-8/23+ | Montpelier-Barre | Northern Independent | , | |
| Oran | 1906 | +6/7-6/8+ | Green Bay Colts | Wisconsin State League | , | ||
| Jess Orndorff | orndor001jes | 1906 | StL-Ben Miller | St. Louis Trolley League | , | ||
| George Ort | ort---001geo | 1906 | +5/27-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| Arch Osborne | osborn001arc | 1906 | 7/12-9/13 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| E. C. Osgood | 1906 | +5/21-9/1+ | 95 g. | San Antonio Bronchos | South Texas League | , | |
| Champ Osteen | osteen001jam | 1906 | 4/27-9/25 | Springfield Babes | Central League | , | |
| Bill Otey | otey--001wil | 1906 | 4/28-9/8 | Norfolk Tars | Virginia League | , | |
| Benjamin Owen | 1906-21 | U. of Oklahoma | College | , | |||
| William Oyler | oyler-001wil | 1906 | 4/11-8/4 | Birmingham Barons | Southern Association | , | |
| Billy Page | page--001wil | 1906 | 4/27-9/8 | Lawrence Colts | New England League | , | |
| George Page | page--003geo | 1906 | 92 g. | San Antonio Bronchos | South Texas League | , | |
| Harold Paine | 1906 | Brown Univ. | College | , | |||
| William Paine | 1906 | 4/28-5/12 | Worcester Busters | New England League | , | ||
| Lester Palmer | 1906 | 7/24-8/21 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Harry Parent | parent001har | 1906 | 5/15-6/2+ | Battle Creek Crickets | Southern Michigan League | , | |
| Harry Parent | parent001har | 1906 | 7/10 | Bay City MI | Independent | , | |
| Charles Parkins | parkin003cha | 1906 | 9/11-9/14 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Tom Parrott | parrot002tho | 1906 | 121 g. | San Antonio Bronchos | South Texas League | , | |
| Parsons | 1906 | +4/21-6/3+ | Bucknell Univ. | College | , | ||
| Jim Pastorius | pastor002jam | 1906 | 4/15- | 29 g. | Brooklyn | National League | Brooklyn, NY |
| John Patritch | 1906 | 8/13-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Harry Pattee | pattee001har | 1906 | Brown Univ. | College | , | ||
| Harry Pattee | pattee001har | 1906 | no g. | Brooklyn | National League | Brooklyn, NY | |
| Harry Pattee | pattee001har | 1906 | +7/25-8/23 | Burlington | Northern Independent League | , | |
| Patterson | 1906 | 46 g. | Green Bay Colts | Wisconsin State League | , | ||
| Van Patterson | patter001van | 1906 | Bradford Drillers | Interstate League | , | ||
| Patton | 1906 | 5/25 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Herman Paul | paul--001her | 1906 | 28 g. | Marshalltown Brownies | Iowa League | , | |
| August Paulig | paulig001aug | 1906 | 97 g. | Beaumont Oilers | South Texas League | , | |
| Carl Payne | 1906 | Boonville IN | Independent | , | |||
| Bunny Pearce | pearce001wil | 1906 | 5/9-5/31 | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Bunny Pearce | pearce001wil | 1906 | 6/9-7/30 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Alex Pearson | pearso001ale | 1906 | 5/24-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Walter Pease | pease-001wal | 1906 | 4/25-6/3 | Temple Boll Weevils | Texas League | , | |
| Bob Pender | pender001rob | 1906 | 4/16-9/3 | Charleston Sea Gulls | South Atlantic League | , | |
| Ike Pendleton | pendle001isa | 1906 | 130 g. | San Antonio Bronchos | South Texas League | , | |
| George Pennington | pennin002geo | 1906 | 65 g. | Boone/Clinton Miners | Iowa League | , | |
| Joseph Pepe | 1906 | 7/31-8/28 | Macon Brigands | South Atlantic League | , | ||
| Tate Perkins | perkin013--- | 1906 | 5/3-5/6 | Chanute Browns | Kansas State League | , | |
| John Perrine | perrin002joh | 1906 | 4/18-9/15 | Kansas City Blues | American Association | , | |
| Bob Peterson | peters005rob | 1906 | 4/18- | 39 g. | Boston | American League | Boston, MA |
| Dave Peterson | 1906 | 5/13-5/30+ | Chanute Browns | Kansas State League | , | ||
| Dave Peterson | 1906 | Chanute Browns | Kansas State League | , | |||
| Peter Peterson | 1906 | +5/9-7/9+ | 40g. | Boone/Clinton Miners | Iowa League | , | |
| Big Jeff Pfeffer | pfeffe001fra | 1906 | 60 g. | Boston | National League | Boston, MA | |
| Harry Pfeiffer | 1906 | Beaver Falls PA | Independent | , | |||
| Harry Pfeiffer | 1906 | 8/22 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Bill Phillips | philli005wil | 1906 | 4/14-9/14 | New Orleans Pelicans | Southern Association | , | |
| James Phillips | philli012jam | 1906 | +6/9+ | DuBois Miners | Interstate League | , | |
| William Phoenix | 1906 | 4/26-9/8 | Bridgeport Orators | Connecticut State League | , | ||
| Bill Phyle | phyle-002wil | 1906 | 4/18-7/25 | Kansas City Blues | American Association | , | |
| Bill Phyle | phyle-002wil | 1906 | - 9/15 | 22 g. | St. Louis | National League | St. Louis, MO |
| Charles Piepho | piepho001c-- | 1906 | 4/16-4/25 | Macon Brigands | South Atlantic League | , | |
| John Pierson | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| John Pierson | 1906 | 6/15-9/9 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Homer Plake | plake-001hom | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Walter Pollard | 1906 | Boone/Clinton Miners | Iowa League | , | |||
| Fred Pope | 1906 | +6/21-9/13+ | South Bend Greens | Central League | , | ||
| Porter | 1906 | 7/17-7/18 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Bill Pounds | pounds001jea | 1906 | 5/12-9/19 | Wilkes-Barre Barons | New York State League | , | |
| Bill Powell | powell003wil | 1906 | 9/7-9/15 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | |
| Bill Powell | powell003wil | 1906 | Greensburg PA | , | |||
| Baldy Prior | 1906 | Huntingburg IN | Independent | , | |||
| Baldy Prior | 1906 | +7/22-9/17+ | Boonville IN | Independent | , | ||
| Baldy Prior | 1906 | 9/3- | Evansville River Rats | Central League | , | ||
| Baldy Prior | 1906 | +10/9+ | Huntingburg IN | Independent | , | ||
| Billy Prout | prout-002wil | 1906 | 95 g. | Mobile Sea Gulls | Cotton States League | , | |
| Billy Pugh | pugh--001w-- | 1906 | Erie Sailors | Interstate League | , | ||
| Billy Pugh | pugh--001w-- | 1906 | Kane Mountaineers | Interstate League | , | ||
| Billy Purtell | purtel002wil | 1906 | +6/11-9/16 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |
| Ernest Quigley | quigle001ern | 1906 | 6/26-7/14+ | Shawnee Blues | South Central League | , | |
| Roy Radebaugh | 1906 | 15 g. | Marshalltown Brownies | Iowa League | , | ||
| Arthur Ragan | reagan001art | 1906 | 4/18-9/15 | Birmingham Barons | Southern Association | , | |
| Benjamin Ragsdale | ragsda001ben | 1906 | 4/25-9/2 | Dallas Giants | Texas League | , | |
| Doc Ralston | ralsto001sam | 1906 | 8/6-9/11 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Ramberger | ramber001--- | 1906 | 4 g. | South Bend Greens | Central League | , | |
| George Ramsey | ramsey001geo | 1906 | 26 g. | Green Bay Colts | Wisconsin State League | , | |
| George Ramsey | ramsey002geo | 1906 | 5/12-6/2 | Baltimore Orioles | Eastern League | , | |
| George Ramsey | ramsey002geo | 1906 | 6/26-8/19 | Binghamton Bingoes | New York State League | , | |
| George Ramsey | ramsey002geo | 1906 | 8/16-9/18 | Baltimore Orioles | Eastern League | , | |
| Michael Ratchford | 1906 | 7/12-9/3 | Macon Brigands | South Atlantic League | , | ||
| Bugs Raymond | raymon001art | 1906 | 4/11-5/2 | Atlanta Crackers | Southern Association | , | |
| Bugs Raymond | raymon001art | 1906 | 6/2-9/3 | Savannah Indians | South Atlantic League | , | |
| Bugs Raymond | raymon001art | 1906 | 9/12-9/14 | Freeport Pretzels | Wisconsin State League | , | |
| Ben Reab | 1906 | 45 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Reagan | 1906 | 7/14-7/28 | Baton Rouge Cajuns | Cotton States League | , | ||
| Phil Reardon | reardo001phi | 1906 | Brooklyn | National League | Brooklyn, NY | ||
| Leonard Reddick | 1906 | 60 g. | Bartlesville Indians | Kansas State League | , | ||
| Harry Redmond | redmon001har | 1906 | 5/24- | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Benno Reeb | 1906 | 45 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Edward Reed | reed--001edw | 1906 | +7/22-7/28+ | Battle Creek Crickets | Southern Michigan League | , | |
| Frank Reel | 1906 | 6/7+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| William Reid | 1906 | 5/3-7/5 | Coffeyville Bricks | Kansas State League | , | ||
| Bill Reidy | reidy-001wil | 1906 | 50 g. | Oakland Oaks | Pacific Coast League | , | |
| Henry Reitz | reitz-001hen | 1906 | no g. | San Antonio Bronchos | South Texas League | , | |
| Clarence Relf | reid--001r-- | 1906 | +9/15+ | NOrl-Parker-Blake | Semi-professional | , | |
| Butch Rementer | rement001wil | 1906 | 4/25-9/14 | Lancaster Red Roses | Tri-State League | , | |
| Arthur Reuber | 1906 | 5/3-5/25 | Chanute Browns | Kansas State League | , | ||
| Arthur Reuber | 1906 | 5/30-9/9 | Bartlesville Indians | Kansas State League | , | ||
| Rhoades | 1906 | 34 g. | Green Bay Colts | Wisconsin State League | , | ||
| Frank Rhoton | rhoton001fra | 1906 | 4/26-7/18 | Macon Brigands | South Atlantic League | , | |
| Arthur Rice | rice--001art | 1906 | New Haven Blues | Connecticut State League | , | ||
| Frank Richards | richar001fra | 1906 | 127 g. | Burlington Pathfinders | Iowa League | , | |
| Albert Richardson | 1906 | 6/27-6/28 | Vicksburg Hill Billies | Cotton States League | , | ||
| Bill Richardson | richar006wil | 1906 | 4/26-7/1 | South Bend Greens | Central League | , | |
| Bill Richardson | richar006wil | 1906 | 7/6-9/25 | Dayton Veterans | Central League | , | |
| Bill Richardson | richar006wil | 1906 | Hornell/Patton Pigmies | Interstate League | , | ||
| Branch Rickey | rickey001wes | 1906 | 65 g. | St. Louis | American League | St. Louis, MO | |
| John Rippen | 1906 | 5/3-5/10 | Coffeyville Bricks | Kansas State League | , | ||
| Mike Roach | roach-001mik | 1906 | 5/11-9/23 | Binghamton Bingoes | New York State League | , | |
| Clay Robb | robb--001cla | 1906 | 39 g. | Beaumont Oilers | South Texas League | , | |
| James Robertson | robert007jam | 1906 | 5/10-9/22 | Wilkes-Barre Barons | New York State League | , | |
| Jack Robinson | robins006joh | 1906 | 6/11-8/21 | Macon Brigands | South Atlantic League | , | |
| Joshua Robinson | robins005jos | 1906 | 5/1-9/6 | New Bedford Whalers | New England League | , | |
| Rabbit Robinson | robins003wil | 1906 | 4/30-9/16 | Milwaukee Brewers | American Association | , | |
| Clarence Rodman | rodman001c-- | 1906 | +7/29+ | ButteMT | Independent | , | |
| Joe Roe | roe---001jos | 1906 | 5/1-5/23 | Shawnee Blues | South Central League | , | |
| Harry Roeper | 1906 | 5/25-7/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Terry Rogers | rogers001ter | 1906 | 5/11-6/4 | Bridgeport Orators | Connecticut State League | , | |
| A. J. Romer | 1906 | 8/21-8/30 | Wilkes-Barre Barons | New York State League | , | ||
| F. E. Rossbach | 1906 | 5/15-5/27 | Battle Creek Crickets | Southern Michigan League | , | ||
| Bill Roth | roth--001wil | 1906 | +6/2-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| Frank Roth | roth--001fra | 1906 | 4/18-9/7 | Milwaukee Brewers | American Association | , | |
| Walter Roth | 1906 | -9/9 | 36 g. | Bartlesville Indians | Kansas State League | , | |
| Bobby Rothermel | rother001bob | 1906 | 4/28-6/5 | Lowell Tigers | New England League | , | |
| Bobby Rothermel | rother001bob | 1906 | 6/14-9/17 | Mansfield Giants | Ohio-Pennsylvania League | , | |
| Allen Roudebush | 1906 | 6/20-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Billy Rourke | rourke001wil | 1906 | 5/2-9/30 | Omaha Rourkes | Western League | , | |
| Dick Rudolph | rudolp001ric | 1906 | 8/24-9/8 | New Haven Blues | Connecticut State League | , | |
| Jack Ryan | ryan--001jac | 1906 | +5/27-9/23 | Mount Clemens Bathers | Southern Michigan League | , | |
| John Ryan | 1906 | Green Bay Colts | Wisconsin State League | , | |||
| T. Patrick Ryan | 1906 | +6/2-9/23 | Mount Clemens Bathers | Southern Michigan League | , | ||
| T. Patrick Ryan | 1906 | 9/17 | Battle Creek Crickets | Southern Michigan League | , | ||
| Leo Sage | sage--001leo | 1906 | 7/18-9/16 | Milwaukee Brewers | American Association | , | |
| Slim Sallee | sallee001har | 1906 | 4/14-9/14 | Birmingham Barons | Southern Association | , | |
| Ben Saller | 1906 | 5/24-5/29 | East Liverpool | Pennsylvania-Ohio-Maryland League | , | ||
| Nelson Sandherr | sandhe001nel | 1906 | 5/24-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Michael Sandstrum | 1906 | 5/4+ | Chanute Browns | Kansas State League | , | ||
| Edward Sapp | sapp--001e-- | 1906 | 5/24-7/4 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Frank Sargent | 1906 | +5/19+ | Mount Clemens Bathers | Southern Michigan League | , | ||
| John Savage | 1906 | 5/24-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Scanlan | 1906 | 7/16-7/18 | Shawnee Blues | South Central League | , | ||
| Doc Scanlan | scanla001wil | 1906 | 38 g. | Brooklyn | National League | Brooklyn, NY | |
| Bud Scanlon | 1906 | 4/30-9/29 | Mansfield Giants | Ohio-Pennsylvania League | , | ||
| Fred Schatzke | schatz001fre | 1906 | San Antonio Bronchos | South Texas League | , | ||
| Bob Schaub | schaub001rob | 1906 | no g. | Chicago | National League | Chicago, IL | |
| Bob Schaub | schaub001rob | 1906 | +5/24-6/12+ | Terre Haute Hottentots | Central League | , | |
| Bob Schaub | schaub001rob | 1906 | Fort Wayne | Interstate Association | , | ||
| Bert Schils | schils001alb | 1906 | 4/25-6/14 | Lancaster Red Roses | Tri-State League | , | |
| Bert Schils | schils001alb | 1906 | 6/16-7/20 | Altoona Mountaineers | Tri-State League | , | |
| Bert Schils | schils001alb | 1906 | 7/30-8/4 | Johnstown Johnnies | Tri-State League | , | |
| Arthur Schimpf | 1906 | Portland Beavers | Pacific Coast League | , | |||
| Victor Schlitzer | schlit001vic | 1906 | 5/1 | Rochester Bronchos | Eastern League | , | |
| August Schmidt | schmid001aug | 1906 | 5/1-9/13 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Boss Schmidt | schmid001cha | 1906 | Detroit | American League | Detroit, MI | ||
| Theodore Schmidt | 1906 | 4/28-5/20 | Butte Miners | Northwestern League | , | ||
| Walter Schooler | school001wal | 1906 | +6/17+ | Boone/Clinton Miners | Iowa League | , | |
| Harry Schuler | 1906 | 5/24-6/28 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Jack Schulte | schult003joh | 1906 | 8/19 | Boston | National League | Boston, MA | |
| George Schultz | schult001geo | 1906 | 5/3-5/21 | Rochester Bronchos | Eastern League | , | |
| Emil Schulzowski | schulz001e-- | 1906 | 38 g. | Green Bay Colts | Wisconsin State League | , | |
| Charles Schuman | 1906 | +6/7-6/22+ | Bridgeport Orators | Connecticut State League | , | ||
| Bill Schwartz | schwar003wil | 1906 | 4/28-9/25 | Akron Rubbernecks | Ohio-Pennsylvania League | , | |
| William Sedgwick | sedgwi001wil | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Edward Seitz | seitz-001edw | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Joseph Seitz | seitz-000joe | 1906 | Rochester Bronchos | Eastern League | , | ||
| Kip Selbach | selbac001alb | 1906 | -6/29 | 60 g. | Boston | American League | Boston, MA |
| Harry Selvage | 1906 | 6/7-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| John Sens | sens--001joh | 1906 | 109 g. | Baton Rouge Cajuns | Cotton States League | , | |
| John Sens | sens--001joh | 1906 | +10/19+ | NOrl-Parker-Blake | Semi-professional | , | |
| Bert Senter | senter001--- | 1906 | -10/3 | Clinton KS | Independent | , | |
| Harry Sewald | sewald001har | 1906 | 5/24-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Ed. Shafer | schaef001e-- | 1906 | 102 g. | Burlington Pathfinders | Iowa League | , | |
| Bert Shaner | shaner001ber | 1906 | 5/4-7/4 | Webb City Goldbugs | Western Association | , | |
| Bert Shaner | shaner001ber | 1906 | 9/1-9/20 | Webb City Goldbugs | Western Association | , | |
| Hugh Shannon | 1906 | 7/22 | New Bedford Whalers | New England League | , | ||
| Bud Sharpe | sharpe001bay | 1906 | 5/10-9/22 | Scranton Miners | New York State League | , | |
| Jack Sharrott | sharro001jac | 1906 | 5/10-8/16 | Wilkes-Barre Barons | New York State League | , | |
| Shag Shaughnessy | shaugh001fra | 1906 | 8/25-9/6+ | South Bend Greens | Central League | , | |
| Carl Shaw | 1906 | 8/4-8/11 | Butte Miners | Northwestern League | , | ||
| John Shaw | shaw--007joh | 1906 | 5/10-7/20 | Wilkes-Barre Barons | New York State League | , | |
| John Shaw | shaw--007joh | 1906 | 7/23-9/23 | Binghamton Bingoes | New York State League | , | |
| John Shea | shea--002joh | 1906 | Fremont NB | Independent | , | ||
| John Shea | 1906 | 4/30 | New Haven Blues | Connecticut State League | , | ||
| Shea/Shay | 1906 | +7/4+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Roy Sheets | sheets001roy | 1906 | 4/27- | Worcester Busters | New England League | , | |
| Roy Sheets | sheets001roy | 1906 | +7/10+ | Montpelier-Barre | Northern Independent | , | |
| William Sheffield | sheffi001--- | 1906 | 4/25-6/21 | Temple Boll Weevils | Texas League | , | |
| Ben Shelton | shelto001ben | 1906 | 108 g. | Cleburne Railroaders | Texas League | , | |
| Sheppe | 1906 | 4/30-5/2 | New Bedford Whalers | New England League | , | ||
| Jack Sheridan | sherid001jac | 1906 | MLB Umpire | American League | , | ||
| George Sherwood | sherwo002geo | 1906 | 4/27-9/8 | New Haven Blues | Connecticut State League | , | |
| E. E. Shields | 1906 | 5/3-5/4 | Chanute Browns | Kansas State League | , | ||
| Bill Shipke | shipke001wil | 1906 | 4/23- | 2 g. | Cleveland | American League | Cleveland, OH |
| Bill Shipke | shipke001wil | 1906 | 5/13-9/30 | Des Moines Champs | Western League | , | |
| Lawrence Shotwell | 1906 | +5/13+ | Butler PA | Independent | , | ||
| Lawrence Shotwell | 1906 | +6/14+ | Beaver Valley PA | Independent | , | ||
| Lawrence Shotwell | 1906 | 7/23-7/26 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Lawrence Shotwell | 1906 | 8/8-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Ben Simonton | simont001ben | 1906 | 5/1 | Youngstown Ohio Works | Ohio-Pennsylvania League | , | |
| Ormond Simpkins | 1906 | 71 g. | San Antonio Bronchos | South Texas League | , | ||
| Guy Simpson | 1906 | 5/21-6/4 | Temple Boll Weevils | Texas League | , | ||
| Jesse Simpson | 1906 | no g. | Houston Buffaloes | South Texas League | , | ||
| Jesse Simpson | 1906 | +5/4-6/6+ | Shawnee Blues | South Central League | , | ||
| Billy Sims | 1906 | Umpire | Interstate League | , | |||
| Bert Sincock | sincoc001her | 1906-08 | U. Michigan | College | , | ||
| Walter Singleton | single001--- | 1906 | 6/11-7/17+ | Chanute Browns | Kansas State League | , | |
| Walter Singleton | single001--- | 1906 | NB - Indep | Independent | , | ||
| Alfred Skillman | 1906 | +7/3-8/23+ | Bridgeton NJ | Independent | , | ||
| Cyril Slapnicka | 1906 | 16 g. | Marshalltown Brownies | Iowa League | , | ||
| Jack Slattery | slatte001joh | 1906 | 5/27-7/14 | Kansas City Blues | American Association | , | |
| Barney Slaughter | slaugh001byr | 1906 | Washington | Pennsylvania-Ohio-Maryland League | , | ||
| Michael Slavin | 1906 | 1 g. | Portland Beavers | Pacific Coast League | , | ||
| William Sline | sline-001wil | 1906 | 4/30-9/8 | Worcester Busters | New England League | , | |
| Bill Smink | smink-001wil | 1906 | 6/8-7/29 | Umpire | New York State League | , | |
| Smith | 1906 | 5/22 | Springfield Babes | Central League | , | ||
| Arthur Smith | smith-007art | 1906 | Bradford Drillers | Interstate League | , | ||
| Billy Smith | smith-011wil | 1906 | 4/21-7/14 | Atlanta Crackers | Southern Association | , | |
| Billy Smith | smith-057wil | 1906 | 4/28-9/29 | New Castle Outlaws | Ohio-Pennsylvania League | , | |
| Boyd Smith | 1906 | Albany | Georgia State League | , | |||
| Bull Smith | smith-001lew | 1906 | 4/16 | Chicago | National League | Chicago, IL | |
| Bull Smith | smith-001lew | 1906 | 6/27 | St. Paul Saints | American Association | , | |
| Carlos Smith | smith-006car | 1906 | 4/11-9/15 | Birmingham Barons | Southern Association | , | |
| Cliff Smith | 1906 | 6/11 | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Dick Smith | smith-018ric | 1906 | 101 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Elmer Smith | smith-004elm | 1906 | 5/11-9/18 | Binghamton Bingoes | New York State League | , | |
| George Smith | smith-012geo | 1906 | 4/26-9/22 | Buffalo Bisons | Eastern League | , | |
| Herbert Smith | 1906 | 5/22-6/7 | Macon Brigands | South Atlantic League | , | ||
| Jud Smith | smith-001jud | 1906 | Portland Beavers | Pacific Coast League | , | ||
| L. J. Smith | 1906 | Bartlesville Indians | Kansas State League | , | |||
| Paul Smith | smith-016pau | 1906 | 5/24-6/16 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Paul Smith | smith-016pau | 1906 | 7/19-9/10 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Samuel Smith | smith-007sam | 1906 | 5/26-9/14 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Tom Smith | 1906 | +5/26-8/23 | Battle Creek Crickets | Southern Michigan League | , | ||
| W. L. Smith | 1906 | 5/3-5/12+ | Bartlesville Indians | Kansas State League | , | ||
| James Snowden | 1906 | DuBois Miners | Interstate League | , | |||
| Roy Snyder | snyder001roy | 1906 | +6/1-9/4+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Sohni | sohni-002--- | 1906 | 5/29-6/5 | Columbus/Brunswick River Snipes | Georgia State League | , | |
| C. Van Sorrell | sorrel003--- | 1906 | 5/1+ | Vicksburg Hill Billies | Cotton States League | , | |
| Bob Spade | spade-001rob | 1906 | 5/18-9/3 | Macon Brigands | South Atlantic League | , | |
| Bob Spade | spade-001rob | 1906 | 9/8-9/28 | Akron Rubbernecks | Ohio-Pennsylvania League | , | |
| Sparks | 1906 | 5/1-6/14 | Shawnee Blues | South Central League | , | ||
| Sparks | 1906 | +7/19-7/21 | Shawnee Blues | South Central League | , | ||
| Frank Spates | spates001fra | 1906 | 7/17 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Spates | 1906 | 7/14-8/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Howard Speck | speck-001how | 1906 | 5/31-9/9 | Bartlesville Indians | Kansas State League | , | |
| Ross Speck | speck-001ros | 1906 | +5/9+ | 10 g. | Bartlesville Indians | Kansas State League | , |
| Albert Spencer | spence001alb | 1906 | 119 g. | Marshalltown Brownies | Iowa League | , | |
| Charles Springer | 1906 | 8/6-8/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | ||
| Sproule | 1906 | 4/30-5/5 | Temple Boll Weevils | Texas League | , | ||
| Chick Stahl | stahl-001cha | 1906 | 155 g. | Boston | American League | Boston, MA | |
| George Stallings | stalli002geo | 1906 | 4/26-9/23 | Buffalo Bisons | Eastern League | , | |
| Tom Stankard | stanka001tho | 1906 | Beverly MA | Independent | , | ||
| Buck Stanley | stanle001joh | 1906 | 4/27-8/25 | Norfolk Tars | Virginia League | , | |
| Buck Stanley | stanle001joh | 1906 | 9/8-9/23 | Montreal Royals | Eastern League | , | |
| Arthur Stanton | 1906 | 8/24-9/6 | Chanute Browns | Kansas State League | , | ||
| Thomas Stark | stark-001tho | 1906 | 116 g. | Marshalltown Brownies | Iowa League | , | |
| Con Starkel | starke001con | 1906 | 4/28-5/26 | Baltimore Orioles | Eastern League | , | |
| Charlie Starr | starr-001cha | 1906 | 9/6-9/17 | Baltimore Orioles | Eastern League | , | |
| Farmer Steelman | steelm001mor | 1906 | 4/26-9/22 | Rochester Bronchos | Eastern League | , | |
| John Stevens | 1906 | Mount Clemens Bathers | Southern Michigan League | , | |||
| Stewart | 1906 | 7/21 | South Bend Greens | Central League | , | ||
| Ace Stewart | stewar001ace | 1906 | 5 g. | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Ed Stewart | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Ed Stewart | 1906 | 6/15-7/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Ed Stewart | 1906 | 49 g. | San Antonio Bronchos | South Texas League | , | ||
| Harry Stewart | stewar005har | 1906 | 4/23-5/15 | Macon Brigands | South Atlantic League | , | |
| Zeke Stewart | 1906 | 6/18-7/14 | Vicksburg Hill Billies | Cotton States League | , | ||
| Billy Stillwell | 1906 | 5/24-6/9 | Steubenville Stubs | Pennsylvania-Ohio-Maryland League | , | ||
| George Stinson | stinso001geo | 1906 | 7/2-9/3 | Macon Brigands | South Atlantic League | , | |
| Samuel Stovall | stoval001sam | 1906 | 49 g. | San Antonio Bronchos | South Texas League | , | |
| Stewart Strader | strade001ste | 1906 | Macon Brigands | South Atlantic League | , | ||
| Oscar Streit | streit001osc | 1906 | 5/14-9/6 | Binghamton Bingoes | New York State League | , | |
| Phil Stremmel | stremm001phi | 1906 | 66 g. | Green Bay Colts | Wisconsin State League | , | |
| Allie Strobel | strobe001alb | 1906 | -8/11 | 100 g. | Boston | National League | Boston, MA |
| Billy Stroh | stroh-001wil | 1906 | 4/26-9/6 | Altoona Mountaineers | Tri-State League | , | |
| Strong | 1906 | 7/30- | South Bend Greens | Central League | , | ||
| Bill Stuart | stuart001bil | 1906 | 5/16 | Umpire | Kansas State League | , | |
| Wilford Sullinger | sullin001f-- | 1906 | 4/25-6/10 | Temple Boll Weevils | Texas League | , | |
| James Sullivan | sulliv118--- | 1906 | 7/14-7/19 | Butte Miners | Northwestern League | , | |
| James Sullivan | 1906 | New Bedford Whalers | New England League | , | |||
| John Sullivan | sulliv004joh | 1906 | 4/18-9/16 | Kansas City Blues | American Association | , | |
| Neil Sullivan | 1906 | 9/13-9/23 | Binghamton Bingoes | New York State League | , | ||
| Walter Sullivan | sulliv005joh | 1906 | 21 g. | San Antonio Bronchos | South Texas League | , | |
| Walter Sullivan | sulliv005joh | 1906 | 20 g. | Houston Buffaloes | South Texas League | , | |
| Bill Sump | sump--001wil | 1906 | Waterloo Microbes | Iowa League | , | ||
| Bill Sump | sump--001wil | 1906 | 24 g. | Eau Claire-Chippewa Falls Orphans | Wisconsin State League | , | |
| William Supple | 1906 | 9/21-9/29 | MLB Umpire | National League | , | ||
| Bert Supplee | 1906 | 8/28-9/8 | Wheeling Stogies | Central League | , | ||
| John Sussman | sussma001j-- | 1906 | 4/26-5/18 | New Haven Blues | Connecticut State League | , | |
| Arthur Swan | swan--000cas | 1906 | +7/1+ | Basin MT | Independent | , | |
| Oscar Swan | swann-001o-- | 1906 | 4/18-9/16 | Kansas City Blues | American Association | , | |
| Fred Swartzel | 1906 | -9/9 | 15 g. | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Bill Sweeney | sweene001wil | 1906 | 169 g. | Portland Beavers | Pacific Coast League | , | |
| Charles Sweeney | 1906 | 5/29 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | ||
| Patrick Sweeney | sweene001pat | 1906 | 5/26-8/22 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Charlie Swindells | swinde001cha | 1906 | 4/28-9/3 | Butte Miners | Northwestern League | , | |
| Len Swormstedt | sworms001leo | 1906 | -10/6 | 3 g. | Boston | American League | Boston, MA |
| Edward Sykes | sykes-010--- | 1906 | 5/24-7/6 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Taaffe | taffee001w-- | 1906 | 9/20-9/21 | South Bend Greens | Central League | , | |
| Robert Tarleton | tarlet001rob | 1906 | 106 g. | Baton Rouge Cajuns | Cotton States League | , | |
| James Tarr | tarr--000jam | 1906 | 5/6-5/29 | Shawnee Blues | South Central League | , | |
| Edwin Taylor | 1906 | 5/15-9/23 | Mount Clemens Bathers | Southern Michigan League | , | ||
| Leroy Taylor | 1906 | Pine Bluff Barristers | Arkansas-Texas League | , | |||
| George Te Linde | 1906 | 4/27-6/13 | South Bend Greens | Central League | , | ||
| Robert Teas | teas--001rob | 1906 | +5/31+ | Bowie TX | Independent | , | |
| Thomas Tennant | tennan001tho | 1906 | 118 g. | Green Bay Colts | Wisconsin State League | , | |
| Terrell | 1906 | 6 g. | Vicksburg Hill Billies | Cotton States League | , | ||
| Terry | 1906 | 5/20,6/11 | Binghamton Bingoes | New York State League | , | ||
| George Textor | 1906 | 4/20-6/9 | Vicksburg Hill Billies | Cotton States League | , | ||
| Tony Thebo | thebo-001ant | 1906 | 125 g. | San Antonio Bronchos | South Texas League | , | |
| George Therre | therre001geo | 1906 | 5/10-7/10 | Wilkes-Barre Barons | New York State League | , | |
| Thomas | thomas037--- | 1906 | +8/28-9/23+ | Battle Creek Crickets | Southern Michigan League | , | |
| Thomas | 1906 | 6/29 | South Bend Greens | Central League | , | ||
| Bert Thomas | 1906 | 58 g. | Youngstown Ohio Works | Ohio-Pennsylvania League | , | ||
| Bill Thomas | thomas007wil | 1906 | 4/30-9/29 | Youngstown Ohio Works | Ohio-Pennsylvania League | , | |
| Dick Thomas | thomas000re- | 1906 | 6/21 | Temple Boll Weevils | Texas League | , | |
| James Thomas | thomas002jim | 1906 | +8/28-9/18+ | Battle Creek Crickets | Southern Michigan League | , | |
| William Thomas | thomas002wil | 1906 | 4/28 | Buffalo Bisons | Eastern League | , | |
| Charles Thompson | 1906 | 4/30-8/23 | San Antonio Bronchos | South Texas League | , | ||
| John Thompson | 1906 | Baton Rouge Cajuns | Cotton States League | , | |||
| Tommy Thompson | 1906 | 6/29-8/20+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| William Thompson | 1906 | 7/1 | New Haven Blues | Connecticut State League | , | ||
| George Thornhill | thornh001geo | 1906 | Bradford Drillers | Interstate League | , | ||
| Elmer Thorsen | 1906 | 5/5-5/11 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Elmer Thorsen | 1906 | 8/2-9/14 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Loris Thrailkill | 1906 | 5/3-9/9 | Chanute Browns | Kansas State League | , | ||
| Tibbetts | 1906 | 7/13 | Binghamton Bingoes | New York State League | , | ||
| George Tieman | tieman001geo | 1906 | 4/28-9/23 | South Bend Greens | Central League | , | |
| Tiernan | 1906 | Temple Boll Weevils | Texas League | , | |||
| Bill Tierney | 1906 | Xavier Univ. | College | , | |||
| Ray Tift | tift--001ray | 1906 | +7/10-8/8+ | Burlington | Northern Independent League | , | |
| Oscar Tinkham | 1906 | 8/24-8/28 | New Bedford Whalers | New England League | , | ||
| E. H. Todd | todd--001o-- | 1906 | 9/24 | Springfield Babes | Central League | , | |
| John Tomlin | 1906 | 52 g. | Houston Buffaloes | South Texas League | , | ||
| Thomas Toner | toner-001tho | 1906 | 118 g. | Vicksburg Hill Billies | Cotton States League | , | |
| Charles Tonneman | 1906 | Freemont NEB | Independent | , | |||
| Roy Toren | toren-002roy | 1906 | 7 g. | Portland Beavers | Pacific Coast League | , | |
| Roy Toren | toren-002roy | 1906 | 5/31-9/2 | Butte Miners | Northwestern League | , | |
| Will Torrence | torren002wil | 1906 | Boone/Clinton Miners | Iowa League | , | ||
| Babe Towne | towne-001jay | 1906 | 5/2-7/30 | Des Moines Champs | Western League | , | |
| Babe Towne | towne-001jay | 1906 | 8/1-10/6 | Chicago | American League | Chicago, IL | |
| Guy Townsend | townse001guy | 1906 | no g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Bill Tozer | tozer-001wil | 1906 | 6/22-9/18 | Buffalo Bisons | Eastern League | , | |
| Benjamin Tribble | 1906 | 5/3-7/7 | Waycross Machinists | Georgia State League | , | ||
| Benjamin Tribble | 1906 | 7/25-8/19 | Montgomery Senators | Southern Association | , | ||
| Walter Trombley | 1906 | +6/2-8/22+ | Mount Clemens Bathers | Southern Michigan League | , | ||
| Albert Troup | 1906 | Bradford Drillers | Interstate League | , | |||
| Albert Troup | 1906 | Buff.-Black Rocks | Independent | , | |||
| Roy Troutman | 1906 | +4/30-5/3+ | South Bend Greens | Central League | , | ||
| Thad Troy | troy--001tha | 1906 | 5/24-7/4+ | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Frank Truesdale | truesd001fra | 1906 | 124 g. | Houston Buffaloes | South Texas League | , | |
| Tom Tuckey | tuckey002tho | 1906 | 4/27-8/18 | New Haven Blues | Connecticut State League | , | |
| Tullar | tullar000--- | 1906 | 6/5-7/14+ | Shawnee Blues | South Central League | , | |
| Tuttle | 1906 | 5/5 | Vicksburg Hill Billies | Cotton States League | , | ||
| Twitchell | 1906 | 5/3-6/14 | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Twitchell | 1906 | 6/15-8/23+ | Iola Grays/Cherryvale Boosters | Kansas State League | , | ||
| Bob Unglaub | unglau002rob | 1906 | 4/25-9/15 | Williamsport Millionaires | Tri-State League | , | |
| Tommy Uniac | uniac-001tho | 1906 | Montpelier-Barre | Northern Independent | , | ||
| Armour Unrue | 1906 | 7/30-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | ||
| Lon Ury | ury---001lou | 1906 | 5/10-5/18 | Birmingham Barons | Southern Association | , | |
| Bob Vail | vail--001rob | 1906 | 4/30-8/21 | Lynn Shoemakers | New England League | , | |
| Fred Valdois | valdoi001fre | 1906 | 4/28-9/8 | New Bedford Whalers | New England League | , | |
| Bradley Valliere | 1906 | 19 ab | Lake Linden Sandy Cities | Northern-Copper Country League | , | ||
| Deacon Van Buren | vanbur001edw | 1906 | 136 g. | Seattle Siwashes | Pacific Coast League | , | |
| Neal Vance | vance-001nea | 1906 | 4/25-6/30 | Temple Boll Weevils | Texas League | , | |
| Cal Vasbinder | vasbin001mos | 1906 | 5/24-6/25 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Cal Vasbinder | vasbin001mos | 1906 | 8/28-9/1 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| Cal Vasbinder | vasbin001mos | 1906 | 9/10-9/15 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Farmer Vaughn | vaughn001far | 1906 | 4/25-6/24 | Birmingham Barons | Southern Association | , | |
| Hippo Vaughn | vaughn002jam | 1906 | Temple Boll Weevils | Texas League | , | ||
| Bucky Veil | veil--001fre | 1906 | 4/22-9/15 | Columbus Senators | American Association | , | |
| Frank Venning | vinnin001f-- | 1906 | 5/24-6/2 | Braddock Infants | Pennsylvania-Ohio-Maryland League | , | |
| Frank Venning | vinnin001f-- | 1906 | Belle-Vernon | Independent | , | ||
| Lee Viau | viau--001lee | 1906 | 5/20-9/9 | Binghamton Bingoes | New York State League | , | |
| Vitter | 1906 | +5/9+ | Biloxi MS | Independent | , | ||
| James Vizard | vizard001jam | 1906 | +7/9-7/24+ | Mount Clemens Bathers | Southern Michigan League | , | |
| A. Vogel | 1906 | 7/12- | 22 g. | San Antonio Bronchos | South Texas League | , | |
| Otto Vogel | 1906 | 5/3-9/16 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| George Volk | volk--001geo | 1906 | +7/20-7/31+ | South Bend Greens | Central League | , | |
| Bobby Vorpagel | vorpag001rob | 1906 | 5/19-9/3 | Calumet Aristocrats | Northern-Copper Country League | , | |
| Bobby Vorpagel | vorpag001rob | 1906 | +9/16+ | Battle Creek Crickets | Southern Michigan League | , | |
| Rip Vowinkel | vowink001joh | 1906 | 8 g. | Buffalo Bisons | Eastern League | , | |
| Ham Wade | wade--001abr | 1906 | 5/12-9/7 | New Haven Blues | Connecticut State League | , | |
| Butts Wagner | wagner001but | 1906 | 4/26-8/29 | Montreal Royals | Eastern League | , | |
| Heinie Wagner | wagner001cha | 1906 | 9 g. | Boston | American League | Boston, MA | |
| Ivor Wagner | wagner001ivo | 1906 | 5/12-9/23 | Binghamton Bingoes | New York State League | , | |
| J. B. Wagner | 1906 | 7/18-7/20 | Sioux City Packers | Western League | , | ||
| Louis Wagner | wagner001l-- | 1906 | 6/15-6/26 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Irv Waldron | waldro001irv | 1906 | 5/13-9/13 | Kansas City Blues | American Association | , | |
| Mysterious Walker | walker004fre | 1906 | 8/23-9/8 | Bridgeport Orators | Connecticut State League | , | |
| Roscoe Walker | 1906 | 6/19-9/9 | Coffeyville Bricks | Kansas State League | , | ||
| James Wall | 1906 | 6/25-9/7 | Worcester Busters | New England League | , | ||
| Arthur Wallace | wallac001art | 1906 | 3/25-4/22 | Biloxi MS | Independent | , | |
| Arthur Wallace | wallac001art | 1906 | +5/13-5/27 | Biloxi MS | Independent | , | |
| Arthur Wallace | wallac001art | 1906 | +6/3-6/30 | Temple Boll Weevils | Texas League | , | |
| Jim Wallace | wallac005jam | 1906 | 4/26-7/14 | Rochester Bronchos | Eastern League | , | |
| Red Waller | waller001joh | 1906 | 4/28-6/23 | Bridgeport Orators | Connecticut State League | , | |
| Walsh | 1906 | 7 g. | Green Bay Colts | Wisconsin State League | , | ||
| H. A. Walsh | 1906 | Binghamton Bingoes | New York State League | , | |||
| Martin Walsh | 1906 | 9/21 | Binghamton Bingoes | New York State League | , | ||
| Matthew Walsh | 1906 | New Haven Blues | Connecticut State League | , | |||
| Daniel Walters | walter003d-- | 1906 | 5/11-9/20 | Rochester Bronchos | Eastern League | , | |
| Lew Walters | walter001lew | 1906 | 4/11-9/15 | Birmingham Barons | Southern Association | , | |
| Roxey Walters | walter001lou | 1906 | +5/8-7/18+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Sid Wandell | 1906 | +7/4-7/27+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Jack Wanner | wanner001cla | 1906 | 26 g. | Portland Beavers | Pacific Coast League | , | |
| Ward | 1906 | +7/10+ | Burlington | Northern Independent League | , | ||
| Earl Warner | warner002ear | 1906 | 14 g. | Green Bay Colts | Wisconsin State League | , | |
| F. Warner | 1906 | 5/5-5/16 | Coffeyville Bricks | Kansas State League | , | ||
| Wherry Warner | 1906 | +7/10-7/25+ | Montpelier-Barre | Northern Independent | , | ||
| Buck Washer | washer001wil | 1906 | 4/20 | Savannah Indians | South Atlantic League | , | |
| Buck Washer | washer001wil | 1906 | 5/18-5/20 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Buck Washer | washer001wil | 1906 | Gloucester NJ | Independent | , | ||
| Buck Washer | washer001wil | 1906 | 7/27- | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Bill Watkins | watkin002bil | 1906 | 4/18-5/? | Indianapolis Indians | American Association | , | |
| Watson | 1906 | 6 ab | South Bend Greens | Central League | , | ||
| Arthur Watson | 1906 | 7/1-9/23 | South Bend Greens | Central League | , | ||
| Scott Watson | 1906 | 8/27-9/23 | South Bend Greens | Central League | , | ||
| Adolph Wattrick | wattri001e-- | 1906 | +7/27+ | 33 g. | Battle Creek Crickets | Southern Michigan League | , |
| J. Weaver | 1906 | +5/19+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| W. F. Weaver | weaver002w-- | 1906 | 5/8-6/7 | Columbus/Brunswick River Snipes | Georgia State League | , | |
| Arthur Weber | weber-001art | 1906 | Houston Buffaloes | South Texas League | , | ||
| Arthur Weber | weber-001art | 1906 | Beaumont Oilers | South Texas League | , | ||
| Dudley Weber | 1906 | +8/7+ | 4 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Bert Weeden | weeden001cha | 1906 | 5/14-9/15 | Troy Trojans | New York State League | , | |
| John Weimer | 1906 | DuBois Miners | Interstate League | , | |||
| Raymond Weisbrod | weisbr001j-- | 1906 | +6/19+ | Kearney NB | Independent | , | |
| Conrad Welch | welch-001con | 1906 | no g. | Baltimore Orioles | Eastern League | , | |
| Harry Welch | welch-001har | 1906 | 5/11-9/23 | Binghamton Bingoes | New York State League | , | |
| Harry Welch | 1906 | +5/4-5/25+ | Shawnee Blues | South Central League | , | ||
| Burns Weller | weller001h-- | 1906 | 5/12-9/21 | Amsterdam-Gloversville-Johnstown Jags | New York State League | , | |
| Benton Welty | welty-001ben | 1906 | 4/28-6/17 | Sharon Steels | Ohio-Pennsylvania League | , | |
| Calvin Wenger | 1906 | 8/2-9/20+ | Battle Creek Crickets | Southern Michigan League | , | ||
| Perry Werden | werden001per | 1906 | 49 g. | Vicksburg Hill Billies | Cotton States League | , | |
| William Wesp | wesp--000--- | 1906 | 5/25-7/7 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Wesp | wesp--000--- | 1906 | 8/22-9/13 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| West | 1906 | 10 g. | Baton Rouge Cajuns | Cotton States League | , | ||
| Hi West | west--003jam | 1906 | 5/10-9/20 | Wilkes-Barre Barons | New York State League | , | |
| Walter West | 1906 | 8/28-9/6 | New Haven Blues | Connecticut State League | , | ||
| Fred Westervelt | 1906 | 5/5-6/13+ | Columbus/Brunswick River Snipes | Georgia State League | , | ||
| Bob Westlake | westla001rob | 1906 | +5/2-5/26 | Waco Navigators | Texas League | , | |
| Bert Wharton | wharto001ber | 1906 | 5/24-5/30 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| J. Wherry | 1906 | Barre-MontpelierNo | , | ||||
| Jack White | white-012joh | 1906 | 7/10-9/22 | Buffalo Bisons | Eastern League | , | |
| Robert White | white-010rob | 1906 | 5/26-6/30 | Temple Boll Weevils | Texas League | , | |
| William Whiteman | 1906 | Benwood WV | Independent | , | |||
| Jesse Whiting | whitin002jes | 1906 | 3 g. | Brooklyn | National League | Brooklyn, NY | |
| Harold Whitmore | 1906 | +5/11+ | 13 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Herbert Whitney | whitle001her | 1906 | +4/24-6/24 | Burlington Pathfinders | Iowa League | , | |
| Merle Whitney | whitne001mer | 1906 | 4/18-5/24 | Kansas City Blues | American Association | , | |
| Jo Whittenberg | whitte001ben | 1906 | 4/27-5/2 | Temple Boll Weevils | Texas League | , | |
| Whittmer | 1906 | Boonville IN | Independent | , | |||
| John Wickenhofer | 1906 | 6/10-7/9 | South Bend Greens | Central League | , | ||
| Bob Wicker | wicker001rob | 1906 | 10 g. | Chicago | National League | Chicago, IL | |
| Bob Wicker | wicker001rob | 1906 | -9/21 | 20 g. | Cincinnati | National League | Cincinnati, OH |
| Edward Wicker | wicker001edw | 1906 | 6/6-6/29 | Temple Boll Weevils | Texas League | , | |
| Jimmy Wiggs | wiggs-001jam | 1906 | +7/25+ | Burlington | Northern Independent League | , | |
| Shanks Wilbur | wilbur000sha | 1906 | 7/23-7/27,8/5-9/17 | Binghamton Bingoes | New York State League | , | |
| Harry Wilhelm | wilhel002har | 1906 | 5/24-5/30 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Irvin Wilhelm | wilhel001irv | 1906 | 4/11-9/12 | Birmingham Barons | Southern Association | , | |
| Roy Wilkins | wilkin001roy | 1906 | preseason | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Roy Wilkins | wilkin001roy | 1906 | BloomerGirls | Independent | , | ||
| Williams | 1906 | 5/23 | New Haven Blues | Connecticut State League | , | ||
| Williams | 1906 | +7/10-8/23+ | Montpelier-Barre | Northern Independent | , | ||
| C. A. Williams | 1906 | 6/?-6/? | 4 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Clyde Williams | willia002s-- | 1906 | 121 g. | Marshalltown Brownies | Iowa League | , | |
| Dave Williams | willia013dav | 1906 | 5/18-6/8 | Kansas City Blues | American Association | , | |
| Tom Williams | willia004tom | 1906 | 4/29-9/23 | South Bend Greens | Central League | , | |
| Emile Williford | 1906 | 5/12-8/ | Coffeyville Bricks | Kansas State League | , | ||
| Emile Williford | 1906 | +8/14+ | Bartlesville Indians | Kansas State League | , | ||
| Henry Willig | willig001hen | 1906 | 5/26-9/15 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| John Willoughby | 1906 | DuBois Miners | Interstate League | , | |||
| Art Wilson | wilson001art | 1906 | 5/3-9/16 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| F. B. Wilson | 1906 | +5/5-5/30+ | Waycross Machinists | Georgia State League | , | ||
| Fred Winchell | winche001fre | 1906 | 58 g. | San Antonio Bronchos | South Texas League | , | |
| Winslow | 1906 | Brown Univ. | College | , | |||
| Big Liz Winston | winsto001--- | 1906 | +5/2-6/25+ | Rich.-Brownies | Independent | , | |
| Big Liz Winston | winsto001--- | 1906 | 6/29-7/26 | Danville Red Sox | Virginia League | , | |
| George Winter | winter001geo | 1906 | Boston | American League | Boston, MA | ||
| Gus Wisser | wisser001a-- | 1906 | 6/15-7/14+ | Shawnee Blues | South Central League | , | |
| Roy Witherup | wither001fos | 1906 | 5/14- | 8 g. | Boston | National League | Boston, MA |
| Roy Witherup | wither001fos | 1906 | 8/18-9/14 | Uniontown Coal Barons | Pennsylvania-Ohio-Maryland League | , | |
| Bill Wittemore | 1906 | U. Wisconsin | College | , | |||
| Barney Wolfe | wolfe-001wil | 1906 | -5/24 | 4 g. | Washington | American League | Washington, DC |
| Barney Wolfe | wolfe-001wil | 1906 | 6/10-6/29 | Louisville Colonels | American Association | , | |
| Barney Wolfe | wolfe-001wil | 1906 | 7/6-7/11 | Kansas City Blues | American Association | , | |
| Barney Wolfe | wolfe-001wil | 1906 | 8/11-9/15 | Butler/Piedmont/Charleroi | Pennsylvania-Ohio-Maryland League | , | |
| William Wolverton | 1906 | 5/6-9/9 | Coffeyville Bricks | Kansas State League | , | ||
| John Womack | womack001har | 1906 | 4/26-5/2 | Temple Boll Weevils | Texas League | , | |
| John Womack | womack001har | 1906 | +8/21-9/7 | Coffeyville Bricks | Kansas State League | , | |
| Louis Womble | womble001lou | 1906 | +7/25-8/28 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Bob Wood | wood--005rob | 1906 | 5/2-7/4 | Toronto Maple Leafs | Eastern League | , | |
| Bob Wood | wood--005rob | 1906 | 7/14-9/21 | Buffalo Bisons | Eastern League | , | |
| Bob Wood | wood--005rob | 1906 | 1 g. | Seattle Siwashes | Pacific Coast League | , | |
| Smoky Joe Wood | wood--001joe | 1906 | BloomerGirls | Independent | , | ||
| Roy Woodbury | woodbu001roy | 1906 | 5/3-5/4 | Iola Grays/Cherryvale Boosters | Kansas State League | , | |
| Guy Woodruff | woodru001guy | 1906 | 115 g. | Baton Rouge Cajuns | Cotton States League | , | |
| Eugene Woods | 1906 | Buff.-Travelers | Independent | , | |||
| Bennie Woodward | woodwa001b-- | 1906 | 4/26-5/19 | Danville Red Sox | Virginia League | , | |
| Samuel Woodward | 1906 | 56 g. | Baton Rouge Cajuns | Cotton States League | , | ||
| Lucky Wright | wright007wil | 1906 | 6 g. | San Antonio Bronchos | South Texas League | , | |
| Lucky Wright | wright015wil | 1906 | 7/1-9/16 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Hogan Yancey | yancey001hog | 1906 | 4/26-5/30 | Rochester Bronchos | Eastern League | , | |
| Stan Yerkes | yerkes001sta | 1906 | 8/22-9/8 | New Haven Blues | Connecticut State League | , | |
| William Yerkes | 1906 | 8/3 | Wilkes-Barre Barons | New York State League | , | ||
| Arthur Yessler | 1906 | 7/30-8/7 | South Bend Greens | Central League | , | ||
| Joseph Yessler | 1906 | +7/5+ | Marshalltown Brownies | Iowa League | , | ||
| Joseph Yessler | 1906 | +9/13+ | Boone/Clinton Miners | Iowa League | , | ||
| William Yohe | yohe--002wil | 1906 | 4/25-6/30 | Temple Boll Weevils | Texas League | , | |
| William Yohe | yohe--002wil | 1906 | 8/2-9/9 | Chanute Browns | Kansas State League | , | |
| Benjamin Young | 1906 | +3/21+ | Univ. Kansas | College | , | ||
| Elmer Young | young-001elm | 1906 | Boyertown PA | Independent | , | ||
| Irv Young | young-001irv | 1906 | 43 g. | Boston | National League | Boston, MA | |
| Elmer Zacher | zacher001elm | 1906 | 4/27-9/7 | Worcester Busters | New England League | , | |
| George Zackert | 1906 | Hastings NB | Independent | , | |||
| Sam Zeigenbein/Zie | zeigen001sam | 1906 | 5/15-5/ | Battle Creek Crickets | Southern Michigan League | , | |
| Heinie Zimmerman | zimmer002hen | 1906 | 8/21-9/22 | Wilkes-Barre Barons | New York State League | , | |
| Bill Zink | zink--001wil | 1906 | 140 g. | Leavenworth Old Soldiers | Western Association | , | |
| Charles Zinzer | zinzer001cha | 1906 | 5/23-9/22 | Wilkes-Barre Barons | New York State League | , |