exactmatch =
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There are 1130 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Thomas Abercombie | 1912 | 43 g. | Jacksonville Tarpons | South Atlantic League | , | ||
| Arnold Adamina | adamin001arn | 1912 | Oak.-Jackson Furn | Independent | , | ||
| Milton Adams | adams-001cly | 1912 | 18 g. | Morristown Jobbers | Appalachian League | , | |
| Rick Adams | adams-001reu | 1912 | 35 g. | Paris Boosters | South Central League | , | |
| Robert Adler | 1912 | 5/1-5/18 | Washington Senators | United States League | , | ||
| Robert Adler | 1912 | 6/10-6/19 | Richmond Rebels | United States League | , | ||
| Samuel Agnew | 1912 | 105 g. | Vernon Tigers | Pacific Coast League | , | ||
| Charles Alberts | 1912 | 41 g. | Fort Wayne Railroaders | Central League | , | ||
| Dallas Alderman | alderm001dal | 1912 | Great Bend Millers | Central Kansas League | , | ||
| Dallas Alderman | alderm001dal | 1912 | 15 g. | Wichita Witches | Western League | , | |
| Bill Alexander | alexan005wil | 1912 | 59 g. | Galveston Pirates/Sand Crabs | Texas League | , | |
| Mack Allison | alliso001mac | 1912 | 31 g. | St. Louis | American League | St. Louis, MO | |
| John Altman | 1912 | 5/15-6/11 | Winnipeg Maroons | Central International League | , | ||
| John Altman | 1912 | 6/12-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Archibald Anderson | 1912 | 5/14-7/11 | Superior Red Sox | Central International League | , | ||
| Fred Anderson | anders008joh | 1912 | 33 g. | Brockton Shoemakers | New England League | , | |
| Goat Anderson | anders003edw | 1912 | 68 g. | Wheeling Stogies | Central League | , | |
| Lem Anderson | 1912 | Maysville Rivermen | Blue Grass League | , | |||
| Lem Anderson | 1912 | Lexington Colts | Blue Grass League | , | |||
| John Anthony | anthon002joh | 1912 | 102 g. | Petersburg Goobers | Virginia League | , | |
| Fred Applegate | appleg002fre | 1912 | Paris Bourbonites | Blue Grass League | , | ||
| Harry Armbruster | armbru001har | 1912 | 5/1-6/18 | Cincinnati Pippins | United States League | , | |
| Frank Armstrong | 1912 | 78 g. | Dayton Veterans | Central League | , | ||
| Howard Armstrong | armstr001how | 1912 | 37 g. | Savannah Indians | South Atlantic League | , | |
| LeRoy Ashenfelder | ashenf001ray | 1912 | 10 g. | Springfield Reapers | Central League | , | |
| LeRoy Ashenfelder | ashenf001ray | 1912 | 21 g. | Indianapolis Indians | American Association | , | |
| Tom Asmussen | asmuss001tho | 1912 | Aurora Blues | Wisconsin-Illinois League | , | ||
| Tommy Atkins | atkins001fra | 1912 | 21 g. | Atlanta Crackers | Southern Association | , | |
| Tommy Atkins | atkins001fra | 1912 | Hopkinsville Hoppers | Kentucky-Illinois-Tennessee League | , | ||
| Jack Averill | averil000jac | 1912 | +8/4+ | Hartford Senators | Connecticut State League | , | |
| Frederick Badel | badel-001fre | 1912 | 5/1-6/2 | Cincinnati Pippins | United States League | , | |
| Frederick Badel | badel-001fre | 1912 | 48 g. | Columbia Comers | South Atlantic League | , | |
| Rudy Baerwald | baerwa001rud | 1912 | Memphis Chickasaws | Southern Association | , | ||
| Robert Bagnall | 1912 | Ottumwa Speedboys | Central Association | , | |||
| Frank Bair | 1912 | 30 g. | Nashville Volunteers | Southern Association | , | ||
| Baker | 1912 | 7/17 | Duluth White Sox | Central International League | , | ||
| Tracy Baker | baker-001tra | 1912 | 5/16-9/2 | Winnipeg Maroons | Central International League | , | |
| Ballenger | 1912 | Berlin Busy Bees | Canadian League | , | |||
| Cecil Bankhead | bankhe001cec | 1912 | 90 g. | Junction City Soldiers | Central Kansas League | , | |
| Alexander Bannwart | 1912 | Secretary | Greater Boston | , | |||
| Charles Barngrover | 1912 | 1 month +5/10+ | Ogden Canners | Union Association | , | ||
| Barth | 1912 | 6/14-7/11 | Superior Red Sox | Central International League | , | ||
| John Barthold | bartho001joh | 1912 | 69 g. | Peterborough Whitecaps | Canadian League | , | |
| Bartlett | 1912 | Junction City Soldiers | Central Kansas League | , | |||
| Bartlett | 1912 | 8/28-9/2 | Winnipeg Maroons | Central International League | , | ||
| Bill Bartley | bartle001wil | 1912 | 5/3-6/18 | Cincinnati Pippins | United States League | , | |
| Charles Bartliff | 1912 | Ogden Canners | Union Association | , | |||
| Frederick Barton | 1912 | 64 g. | Evansville Yankees | Kentucky-Illinois-Tennessee League | , | ||
| James Barton | barton001jam | 1912 | 5/1-6/2 | Cincinnati Pippins | United States League | , | |
| James Barton | barton001jam | 1912 | 71 g. | Columbia Comers | South Atlantic League | , | |
| John Bassler | 1912? | York | Tri State League | , | |||
| Ward Bastian | bastia001war | 1912 | York White Roses | Tri-State League | , | ||
| Don Baumhart | 1912 | +9/8+ | Hutc.-Foundrymen | Independent | , | ||
| Jimmy Beard | beard-001jam | 1912 | 89 g. | Peterborough Whitecaps | Canadian League | , | |
| Lynn Bell | 1912 | 50 g. | Scranton Miners | New York State League | , | ||
| Lynn Bell | 1912 | 50 g. | Louisville Colonels | American Association | , | ||
| Ralph Bell | 1912 | 5/14-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Theron Bell | bell--001t-- | 1912 | 115 g. | Hattiesburg Timberjacks/Columbus Joy Riders | Cotton States League | , | |
| John Bemis | 1912 | 16 g. | Traverse City Resorters | Michigan State League | , | ||
| John Bender | bender001joh | 1912-14 | Wash. State U. | College | , | ||
| Bennett | 1912 | 5/3-5/18 | Washington Senators | United States League | , | ||
| Ben Bennett | bennet002ben | 1912 | +5/27-5/30+ | Tulsa Terriers | Oklahoma State League | , | |
| Simon Bennett | bennet001si- | 1912 | Columbus Foxes | South Atlantic League | , | ||
| Simon Bennett | bennet001si- | 1912 | 8/11-9/2 | Duluth White Sox | Central International League | , | |
| John Benny | benny-001joh | 1912 | , | ||||
| Helmer Benrud | 1912 | Eau Claire Commissioners | Minnesota-Wisconsin League | , | |||
| Helmer Benrud | 1912 | 7/9-9/2 | Superior Red Sox | Central International League | , | ||
| William Bentley | bentle001wil | 1912 | 98 g. | Charlotte Hornets | Carolina Association | , | |
| Sutorious Benz | 1912 | Clevland Tellings | Clevland City League | , | |||
| Berkel | 1912 | 5/18-5/30 | Reading | United States League | , | ||
| John Berkel | 1912 | 98 g. | Scranton Miners | New York State League | , | ||
| Dennis Berran | berran001den | 1912 | Nova Scotia | , | |||
| Dennis Berran | berran001den | 1912 | 8/11 | Chicago | American League | Chicago, IL | |
| Dennis Berran | berran001den | 1912 | 13 g. | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Harry Berte | berte-001har | 1912 | Kearney Kapitalists | Nebraska State League | , | ||
| Otto Besse | 1912 | 18 g. | Fort Worth Panthers | Texas League | , | ||
| Otto Besse | 1912 | Marshall Athletics | South Central League | , | |||
| Best | 1912 | 5/26 | Washington Senators | United States League | , | ||
| Clarence Biersdorfer | 1912 | 18 g. | Fort Wayne Railroaders | Central League | , | ||
| Rivington Bisland | bislan001riv | 1912 | 114 g. | Springfield Reapers | Central League | , | |
| Rivington Bisland | bislan001riv | 1912 | 9/13 | Pittsburgh | National League | Pittsburgh, PA | |
| Allan Black | 1912 | 6/8-9/2 | Superior Red Sox | Central International League | , | ||
| Ellison Blackstone | 1912 | 69 g. | Greenville Spinners | Carolina Association | , | ||
| Ellison Blackstone | 1912 | 39 g. | Petersburg Goobers | Virginia League | , | ||
| Ben Blanchette | blanch001ben | 1912 | Marshall Athletics | South Central League | , | ||
| Clay Blancke | 1912 | 2 g. | Cleveland Forest City | United States League | , | ||
| Arch Blasingim | blasin001a-- | 1912 | Shawnee OK | Independent | , | ||
| Ray Blausser | 1912 | 125 g. | Monmouth Browns | Central Association | , | ||
| George Block | 1912 | 45 g. | St. Paul Saints | American Association | , | ||
| George Block | 1912 | 73 g. | Denver Grizzlies | Western League | , | ||
| Charles Bloomer | 1912 | 103 g. | Canton Highlanders | Illinois-Missouri League | , | ||
| Bert Blue | blue--001bir | 1912 | Richmond Rebels | United States League | , | ||
| Harvey Bluhm | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | ||
| Oscar Bockewitz | 1912 | 42 g. | Dayton Veterans | Central League | , | ||
| Oscar Bockewitz | 1912 | 68 g. | Superior Brickmakers | Nebraska State League | , | ||
| Patrick Bohannon | bohann001pat | 1912 | Richmond Rebels | United States League | , | ||
| Patrick Bohannon | bohann001pat | 1912 | 57 g. | Paducah Chiefs | Kentucky-Illinois-Tennessee League | , | |
| Raymond Borleske | 1912 | 51 g. | Edmonton Gray Birds | Western Canada League | , | ||
| Jim Bouldin | bouldi001jam | 1912 | Holdenville Hitters | Oklahoma State League | , | ||
| Andrew Bourke | 1912 | +7/17-9/7+ | Escanaba MI | Independent | , | ||
| Benny Bowcock | bowcoc001ben | 1912 | 110 g. | Fall River Brienies | New England League | , | |
| Andrew Bowen | bowen-001and | 1912 | 66 g. | Newport News Shipbuilders | Virginia League | , | |
| Frank Bowerman | bowerm001fra | 1912 | London Tecumsehs | Canadian League | , | ||
| Bowers | 1912 | 5/25-8/4 | Grand Forks Flickertails | Central International League | , | ||
| John Bowers | 1912 | 49 g. | Asheville Moonshiners | Appalachian League | , | ||
| George Boyle | 1912 | 16 g. | Fall River Brienies | New England League | , | ||
| Walter Boyson | boyson000wal | 1912-16 | Lynn Classical HS | High School | , | ||
| Harry Brackett | 1912 | Winona Pirates | Minnesota-Wisconsin League | , | |||
| Harry Brackett | 1912 | Alexandria ND | Independent | , | |||
| Harry Brackett | 1912 | 8/15-9/2 | Duluth White Sox | Central International League | , | ||
| Claude Brady | 1912 | Nebraska Indians | Independent | , | |||
| King Brady | brady-005jam | 1912 | 4/13 | Boston | National League | Boston, MA | |
| Simon Brausen | 1912 | Racine Belles | Wisconsin-Illinois League | , | |||
| Edwin Breckenridge | brecke002edw | 1912-13 | USNA - Navy | College | , | ||
| Frank Breed | 1912 | Umpire | Western Tri-State League | , | |||
| Henry Breen | 1912 | 140 g. | Sioux City Packers | Western League | , | ||
| John Brennan | 1912 | Edmonton Gray Birds | Western Canada League | , | |||
| John Brennan | 1912 | Red Deer Eskimos | Western Canada League | , | |||
| Brent | brent-007--- | 1912 | 31 g. | Winston-Salem Twins | Carolina Association | , | |
| Brent | brent-007--- | 1912 | Allentown | Tri-State League | , | ||
| Edward Breyer | 1912 | 119 g. | Lansing Senators | Southern Michigan League | , | ||
| Mike Breyette | breyet001mic | 1912 | 48 g. | Columbus Foxes | South Atlantic League | , | |
| Joseph Briger | 1912 | 94 g. | Wilkes-Barre Barons | New York State League | , | ||
| Samuel Briggs | 1912 | 5/14-6/11 | Superior Red Sox | Central International League | , | ||
| Samuel Briggs | 1912 | 6/20-7/4 | Grand Forks Flickertails | Central International League | , | ||
| Samuel Briggs | 1912 | 7/6-7/17 | Winnipeg Maroons | Central International League | , | ||
| Matt Broderick | broder001mat | 1912 | Reading | United States League | , | ||
| John Brogan | 1912 | 22 g. | Helena Senators | Union Association | , | ||
| James Brown | 1912 | 5/24-9/2 | Winnipeg Maroons | Central International League | , | ||
| Andy Bruckmiller | bruckm001and | 1912 | Newport News Shipbuilders | Virginia League | , | ||
| John Brush | 1912 | New York | National League | New York, NY | |||
| George Bubser | bubser001geo | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| Howard Buck | 1912 | 40 g. | Utica Utes | New York State League | , | ||
| Alfred Bumb | 1912 | 103 g. | Asheville Moonshiners | Appalachian League | , | ||
| Burdette | 1912 | Cairo Egyptians | Kentucky-Illinois-Tennessee League | , | |||
| Jack Burke | 1912 | +5/24+ | Flint Vehicles | Southern Michigan League | , | ||
| Jack Burke | 1912 | 6/12-9/2 | San Antonio Bronchos | Texas League | , | ||
| Biddy Burns | 1912 | 83 g. | Berlin Busy Bees | Canadian League | , | ||
| Harvey Bussey | bussey002har | 1912 | +5/30-6/10+ | Danville Red Sox | Virginia League | , | |
| Harvey Bussey | bussey002har | 1912 | +7/13-8/17+ | Richmond Colts | Virginia League | , | |
| John Buzick | 1912 | 89 g. | Danville Speakers | Illinois-Indiana-Iowa League | , | ||
| Cadman | 1912 | +6/3+ | Seattle Giants | Northwestern League | , | ||
| Walter Cadman | 1912 | 96 g. | Sioux City Packers | Western League | , | ||
| John Cahill | cahill001joh | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| David Calderhead | 1912 | +4/28-9/13+ | Madison Senators | Wisconsin-Illinois League | , | ||
| Jim Callahan | callah004jam | 1912 | Pittsburgh Filipinos | United States League | , | ||
| Don Cameron | camero003don | 1912 | 53 g. | Tacoma Tigers | Northwestern League | , | |
| John Campbell | 1912 | Hannibal Cannibals | Central Association | , | |||
| Canty | 1912 | 6/2-6/19 | Grand Forks Flickertails | Central International League | , | ||
| Ralph Capron | capron001ral | 1912 | 4/25 | Pittsburgh | National League | Pittsburgh, PA | |
| Ralph Capron | capron001ral | 1912 | Milwaukee Brewers | American Association | , | ||
| Ralph Capron | capron001ral | 1912 | St. Paul Saints | American Association | , | ||
| Carlin/on? | 1912 | +5/30+ | Regina | Western Canada League | , | ||
| Ed Carlon | 1912 | Great Falls Electrics | Union Association | , | |||
| Carl Carnes | 1912 | 125 g. | Adrian Lions | Southern Michigan League | , | ||
| Carolan | 1912 | +8/4+ | 10 g. | Petersburg Goobers | Virginia League | , | |
| Carroll | 1912 | 5/30-6/13 | Superior Red Sox | Central International League | , | ||
| Carroll | 1912 | 6/27-7/24 | Grand Forks Flickertails | Central International League | , | ||
| William Case | 1912 | +5/3+ | Dayton Veterans | Central League | , | ||
| William Case | 1912 | +7/20+ | Hopewell NJ | Independent | , | ||
| William Case | 1912 | Dayton Veterans | Central League | , | |||
| Thomas Cave | 1912 | 66 g. | New Orleans Little Pets/Yazoo City Zoos | Cotton States League | , | ||
| Thomas Cave | 1912 | Greenwood Scouts | Cotton States League | , | |||
| Joseph Chabek | 1912 | 38 g. | Harrisburg Senators | Tri-State League | , | ||
| Harry Chapman | chapma002har | 1912 | 99 g. | Sioux City Packers | Western League | , | |
| Harry Chapman | chapma002har | 1912 | 10/6 | Chicago | National League | Chicago, IL | |
| Arthur Chase | 1912 | 5/15-7/17 | Superior Red Sox | Central International League | , | ||
| Rolland Chase | 1912 | 98 g. | Lawrence Barristers | New England League | , | ||
| George Chayka | 1912 | 4/29-6/9 | Madison Senators | Wisconsin-Illinois League | , | ||
| Henry Chelette | 1912 | 29 g. | St. Joseph Drummers | Western League | , | ||
| Sylvester Cierzan | 1912 | Winona Pirates | Minnesota-Wisconsin League | , | |||
| C. H. Clair | 1912 | Nebraska City Forresters | Missouri-Iowa-Nebraska-Kansas League | , | |||
| Bill Clancy | clancy002wil | 1912 | 129 g. | Fort Wayne Railroaders | Central League | , | |
| Charles Clapp | 1912 | 114 g. | Greensboro Patriots | Carolina Association | , | ||
| Harry Clark | clark-004har | 1912 | 138 g. | Milwaukee Brewers | American Association | , | |
| John Clark | clark-001jl- | 1912 | Columbia Comers | South Atlantic League | , | ||
| John Clark | clark-001jl- | 1912 | 31 g. | Spartanburg Red Sox | Carolina Association | , | |
| Jefferson Clarke | 1912 | Sioux City Packers | Western League | , | |||
| Jefferson Clarke | 1912 | Mobile Sea Gulls | Southern Association | , | |||
| Ray Clement | 1912 | 38 g. | St. Thomas Saints | Canadian League | , | ||
| Wally Clement | clemen001wal | 1912 | 34 g. | Troy Trojans | New York State League | , | |
| Jesse Clifton | 1912 | 106 g. | Burlington Pathfinders | Central Association | , | ||
| John Clothier | 1912 | 5/15-9/1 | Winnipeg Maroons | Central International League | , | ||
| Adam Clyde | 1912 | 5/3-5/29 | Richmond Rebels | United States League | , | ||
| Adam Clyde | 1912 | +6/7+ | Lynchburg Shoemakers | Virginia League | , | ||
| John Clynes | clynes001jos | 1912 | , | ||||
| John Cobb | 1912 | 144 g. | Lincoln Railsplitters | Western League | , | ||
| John Cocash | 1912 | 78 g. | London Tecumsehs | Canadian League | , | ||
| George Cockill | cockil002geo | 1912 | 110 g. | Harrisburg Senators | Tri-State League | , | |
| Edward Coffey | coffey001edw | 1912 | 126 g. | South Bend Benders | Central League | , | |
| Edward Coleman | 1912 | Muscatine Wallopers | Central Association | , | |||
| Edward Coleman | 1912 | Kewanee Boilermakers | Central Association | , | |||
| Colina | 1912 | Winchester Hustlers/Nicholasville Orphans/Mount St | Blue Grass League | , | |||
| Jerry Collins | 1912 | Richmond Rebels | United States League | , | |||
| Robert Conaway | conawa001rob | 1912 | Meridian Metropolitans | Cotton States League | , | ||
| Bert Conn | conn--001alb | 1912 | 105 g. | Johnstown/Chester Johnnies | Tri-State League | , | |
| Connors | connor002joh | 1912 | 124 g. | Jackson Convicts | Southern Michigan League | , | |
| Charles Conway | conway001cha | 1912 | 122 g. | Youngstown Steelmen | Central League | , | |
| George Cooper | 1912 | 11 g. | Roanoke Tigers | Virginia League | , | ||
| Wilbur Corey | 1912 | 18 g. | Wilkes-Barre Barons | New York State League | , | ||
| Jack Corrigan | corrig002joh | 1912 | Grand Forks ND | Independent | , | ||
| Dick Cotter | cotter002ric | 1912 | -9/26 | 26 g. | Chicago | National League | Chicago, IL |
| Frank Courtney | 1912 | 111 g. | Haverhill Hustlers | New England League | , | ||
| Louis Courtney | 1912 | 71 g. | Brantford Red Sox | Canadian League | , | ||
| John Coutts | 1912 | 91 g. | Winston-Salem Twins | Carolina Association | , | ||
| John Coutts | 1912 | 15 g. | Roanoke Tigers | Virginia League | , | ||
| George Cowan | cowan-001geo | 1912 | Norfolk Tars | Virginia League | , | ||
| Robert Craig | 1912 | Penn State Univ. | College | , | |||
| Robert Craig | 1912 | 33 g. | Wilkes-Barre Barons | New York State League | , | ||
| Robert Craig | 1912 | 44 g. | York White Roses | Tri-State League | , | ||
| Anthony Crane | crane-001ant | 1912 | East Liverpool Potters/Pittsburgh/New Martinsville | Ohio-Pennsylvania League | , | ||
| James Crangle | crangl001jam | 1912 | Streator Speedboys | Illinois-Missouri League | , | ||
| James Crangle | crangl001jam | 1912 | Champaign Velvets | Illinois-Missouri League | , | ||
| Leslie Crichlow | 1912 | 134 g. | Waco Navigators | Texas League | , | ||
| Ches Crist | crist-001che | 1912 | 41 g. | Lexington Colts | Blue Grass League | , | |
| F. W. Crist | 1912 | York White Roses | Tri-State League | , | |||
| F. W. Crist | 1912 | +8/22+ | 83 g. | Harrisburg Senators | Tri-State League | , | |
| H. J. Crist | 1912 | 83 g. | Harrisburg Senators | Tri-State League | , | ||
| Jack Cronin | cronin001joh | 1912 | Reading | United States League | , | ||
| Lave Cross | cross-001laf | 1912 | 126 g. | Haverhill Hustlers | New England League | , | |
| Norman Cruikshank | 1912 | 122 g. | Portland Colts | Northwestern League | , | ||
| Francis Cummings | 1912 | 30 g. | Manistee Champs | Michigan State League | , | ||
| Pat Cummings | 1912 | Vernon Tigers | Pacific Coast League | , | |||
| Pat Cummings | 1912 | 5/17-6/15 | Winnipeg Maroons | Central International League | , | ||
| Pat Cummings | 1912 | 6/20-9/2 | Superior Red Sox | Central International League | , | ||
| Pat Cummings | 1912 | 11 g. | Bassano Boosters | Western Canada League | , | ||
| Clyde Curtis | curtis001cly | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| Fred Curtis | curtis001fre | 1912 | Winona Pirates | Minnesota-Wisconsin League | , | ||
| Fred Curtis | curtis001fre | 1912 | 7/13-9/2 | Superior Red Sox | Central International League | , | |
| Gene Curtis | curtis002eug | 1912 | Steubenville-Follansbee Stubs | Ohio-Pennsylvania League | , | ||
| Peter Curtis | 1912 | 110 g. | Des Moines Boosters | Western League | , | ||
| James Cuthbert | 1912 | 131 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Herman Dahlgren | 1912 | +8/12+ | Escanaba MI | Independent | , | ||
| Oran Dail | 1912 | 143 g. | Beaumont Oilers | Texas League | , | ||
| James Davey | davey-002jam | 1912 | Wausau Lumberjacks | Wisconsin-Illinois League | , | ||
| Herbert Dawson | 1912 | 97 g. | Beaumont Oilers | Texas League | , | ||
| Day | 1912 | 6/27 | Winnipeg Maroons | Central International League | , | ||
| Archie DeBaker | debake001art | 1912 | 69 g. | Muskegon Speeders | Michigan State League | , | |
| W. H. Dedrick | 1912 | -9/2 | Winnipeg Maroons | Central International League | , | ||
| Frank Dehaven | 1912 | 5/25-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Samuel DeHaven | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | |||
| Deiters | 1912 | Trenton Tigers | Tri-State League | , | |||
| W. H. Deitrick | 1912 | Winn-Lelands | Independent | , | |||
| W. H. Deitrick | 1912 | 8/24-9/2 | Winnipeg Maroons | Central International League | , | ||
| Del Delair | 1912 | Columbus Discoverers | Nebraska State League | , | |||
| Edwin DeLave | 1912 | +5/5+ | Indian Harbor IN | Independent | , | ||
| Edwin DeLave | 1912 | +6/10-8/6+ | Wausau Lumberjacks | Wisconsin-Illinois League | , | ||
| Edwin DeLave | 1912 | 8/27-9/2 | Superior Red Sox | Central International League | , | ||
| Nick Demaggio | 1912 | 44 g. | Vancouver Beavers | Northwestern League | , | ||
| Nick Demaggio | 1912 | 6/12-9/2 | Winnipeg Maroons | Central International League | , | ||
| George Deneau | 1912 | 63 g. | Berlin Busy Bees | Canadian League | , | ||
| George Dennison | 1912 | 6/9+ | Tulsa Terriers | Oklahoma State League | , | ||
| James Denton | denton010--- | 1912 | , | ||||
| Thomas Devine | devine001tho | 1912 | Fall River Brienies | New England League | , | ||
| Thomas Devine | devine001tho | 1912 | New Bedford Whalers | New England League | , | ||
| Guy Dickey | dickey001guy | 1912 | 42 g. | Aurora Blues | Wisconsin-Illinois League | , | |
| Walter Diehl | 1912 | 117 g. | Pekin Celestials | Illinois-Missouri League | , | ||
| Dieters | 1912 | Reading | United States League | , | |||
| Paul Dietz | 1912 | +6/7+ | Syracuse Stars | New York State League | , | ||
| Paul Dietz | 1912 | +7/25+ | Wilkes-Barre Barons | New York State League | , | ||
| Dingeman | 1912 | 15 g. | Mount Clemens Bathers | Border League | , | ||
| Robert Doak | 1912-15 | Elon | College | , | |||
| John Dobbs | dobbs-001joh | 1912 | Montgomery Rebels | Southern Association | , | ||
| Frank Donahue | donahu002fra | 1912 | 54 g. | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | |
| Frank Donahue | donahu002fra | 1912 | 58 g. | South Bend Benders | Central League | , | |
| Bill Donovan | 1912 | 5/14-6/9 | Grand Forks Flickertails | Central International League | , | ||
| Bill Donovan | 1912 | 6/23-9/2 | Superior Red Sox | Central International League | , | ||
| Fred Donovan | donova002fre | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Klondike Douglass | dougla004wil | 1912 | 57 g. | Portsmouth Pirates | Virginia League | , | |
| Seth Dove | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | |||
| Skip Dowd | dowd--001jam | 1912 | 51 g. | Utica Utes | New York State League | , | |
| Ernest Doyle | 1912 | 42 g. | Terre Haute Terre-iers | Central League | , | ||
| William Draher | 1912 | 79 g. | Lansing Senators | Southern Michigan League | , | ||
| Alvin Dretchko | 1912 | +9/15+ | Minn.-Elks | Independent | , | ||
| Roy Dudley | dudley001roy | 1912 | 113 g. | Edmonton Gray Birds | Western Canada League | , | |
| John Duffy | 1912 | Danv.-Massing Co.Indep | , | ||||
| Tom Duffy | 1912 | Saginaw Trailers | Southern Michigan League | , | |||
| Dan Dugdale | dugdal001dan | 1912 | Seattle Giants | Northwestern League | , | ||
| John Duggan | duggan001joh | 1912 | Mobile Sea Gulls | Southern Association | , | ||
| Thomas Dugger | 1912 | Frankfort Lawmakers | Blue Grass League | , | |||
| Pat Dulin | 1912 | Manhattan Elks | Central Kansas League | , | |||
| Clarence Dunbar | dunbar000har | 1912 | Appleton Papermakers | Wisconsin-Illinois League | , | ||
| Earl Dunckel | 1912 | 115 g. | Muskegon Speeders | Michigan State League | , | ||
| Dunleavy | 1912 | 6/11-6/22 | Superior Red Sox | Central International League | , | ||
| William Dunn | dunn--001wil | 1912 | 5/14-9/2 | Superior Red Sox | Central International League | , | |
| Albert Durham | 1912 | Lansing Senators | Southern Michigan League | , | |||
| Albert Durham | 1912 | 27 g. | Oshkosh Indians | Wisconsin-Illinois League | , | ||
| Johnny Eagle | 1912 | Tulare CA | Independent | , | |||
| Johnny Eagle | 1912 | Bakersville CA | Independent | , | |||
| Charles Eaton | 1912 | 54 g. | Hattiesburg Timberjacks/Columbus Joy Riders | Cotton States League | , | ||
| Charles Eaton | 1912 | Meridian Metropolitans | Cotton States League | , | |||
| Charles Eaton | 1912 | Jackson Senators | Cotton States League | , | |||
| Roy Eberly | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | |||
| Henry Eberts | eberts001hen | 1912 | 121 g. | Galesburg Pavers | Central Association | , | |
| Mills Ebright | ebrigh001a-- | 1912 | SW College KS | College | , | ||
| Max Eck | 1912 | +8/25+ | 22 g. | Lansing Senators | Southern Michigan League | , | |
| Frank Edington | edingt001jac | 1912 | Lexington Colts | Blue Grass League | , | ||
| Frank Edington | edingt001jac | 1912 | 6/20-7/13 | Pittsburgh | National League | Pittsburgh, PA | |
| Frank Edington | edingt001jac | 1912 | 35 g. | Wheeling Stogies | Central League | , | |
| Clifford Edmiston | edmist001cha | 1912 | 142 g. | Beaumont Oilers | Texas League | , | |
| Frederick Edmunds | 1912 | 5/14-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Charles Eichberger | eichbe001cha | 1912 | 97 g. | Newport News Shipbuilders | Virginia League | , | |
| Elder | 1912 | 5/24 | Grand Forks Flickertails | Central International League | , | ||
| Aaron Eldridge | eldrid000aar | 1912 | Umpire | Texas League | , | ||
| Frank Eley | eley--001fra | 1912 | 97 g. | Bridgeport Orators | Connecticut State League | , | |
| Frank Eley | eley--001fra | 1912 | New Britain Perfectos/Waterbury Spuds | Connecticut State League | , | ||
| Chester Emerson | emerso001che | 1912 | 4/16 | Philadelphia | American League | Philadelphia, PA | |
| George Engel | engel-002geo | 1912 | 15 g. | Vancouver Beavers | Northwestern League | , | |
| Augustus Epler | 1912 | 134 g. | Marion Orphans/Ironton Diggers | Ohio State League | , | ||
| Erickson | 1912 | 5/15-6/24 | Duluth White Sox | Central International League | , | ||
| Edward Erickson | ericks002edw | 1912 | +7/3+ | Ogden Canners | Union Association | , | |
| Frank Erickson | 1912 | Green Bay Bays | Wisconsin-Illinois League | , | |||
| Bill Essick | essick002wil | 1912 | 22 g. | Grand Rapids Black Sox | Central League | , | |
| Arthur Evans | 1912 | 62 g. | Newport News Shipbuilders | Virginia League | , | ||
| Bliss Farrell | 1912 | 23 g. | Saginaw Trailers | Southern Michigan League | , | ||
| Bliss Farrell | 1912 | +7/24+ | Lansing Senators | Southern Michigan League | , | ||
| Joe Fautsch | fautsc002jos | 1912 | 5/1-5/14 | 10 g. | Racine Belles | Wisconsin-Illinois League | , |
| Joe Fautsch | fautsc002jos | 1912 | +8/25+ | Wausau Lumberjacks | Wisconsin-Illinois League | , | |
| Edward Fay | fay---001edw | 1912 | 19 g. | Binghamton Bingoes | New York State League | , | |
| Edward Fay | fay---001edw | 1912 | 134 g. | Great Falls Electrics | Union Association | , | |
| Elbert Felts | 1912 | 27 g. | San Francisco Seals | Pacific Coast League | , | ||
| Emanuel Ferrias | ferria001e-- | 1912 | 33 g. | South Bend Benders | Central League | , | |
| George Feye | feye--001geo | 1912 | Umpire | United States League | , | ||
| Ed Finney | finney001ed- | 1912-25 | Umpire | Pacific Coast League | , | ||
| William Fisher | 1912 | 14 g. | Roanoke Tigers | Virginia League | , | ||
| Roy Fiske | fiske-001roy | 1912 | , | ||||
| John Fitzgerald | fitzge004joh | 1912 | 28 g. | Sacramento Sacts | Pacific Coast League | , | |
| Frank Fitzpatrick | fitzpa001fra | 1912 | Brockton Shoemakers | New England League | , | ||
| Matty Fitzpatrick | 1912 | Umpire | Wisconsin-Illinois League | , | |||
| Jack Flater | flater001joh | 1912 | Los Angeles Angels | Pacific Coast League | , | ||
| Charles Fleming | 1912 | Champaign Velvets | Illinois-Missouri League | , | |||
| Harry Fleming | 1912 | no g. | Reading | United States League | , | ||
| Jack Flournoy | flourn001joh | 1912 | 74 g. | Norfolk Tars | Virginia League | , | |
| Clarence Flowers | 1912 | Columbia Comers | South Atlantic League | , | |||
| Somerby Follansbee | 1912 | 110 g. | Johnstown/Chester Johnnies | Tri-State League | , | ||
| Clint Ford | 1912 | 5/14-9/2 | Superior Red Sox | Central International League | , | ||
| Eddie Ford | ford--001edw | 1912 | +7/7+ | Hoquiam Cougars | Washington State League | , | |
| Leon Ford | 1912-14 | Umpire | New Orleans | , | |||
| James Foreman | 1912 | 16 g. | Asheville Moonshiners | Appalachian League | , | ||
| William Forney | forney001wil | 1912 | Valparaiso | Northern State of Indiana League | , | ||
| William Forney | forney001wil | 1912 | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | ||
| Ernest Fosberg | 1912 | +5/14-6/12+ | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| Ernest Fosberg | 1912 | +7/2+ | Wausau Lumberjacks | Wisconsin-Illinois League | , | ||
| Foss | 1912 | 5/26-6/11 | Duluth White Sox | Central International League | , | ||
| Samuel Foster | foster001sam | 1912 | 5/15-9/2 | Grand Forks Flickertails | Central International League | , | |
| Bill Fox | fox---006wil | 1912 | Racine Belles | Wisconsin-Illinois League | , | ||
| John Fox | fox---001joh | 1912 | +5/1+ | Columbia Comers | South Atlantic League | , | |
| John Fox | 1912 | 13 g. | Harrisburg Senators | Tri-State League | , | ||
| Francis | 1912 | 5/14-6/18 | Superior Red Sox | Central International League | , | ||
| Nicholas Francisco | 1912 | 113 g. | Lima Cigarmakers | Ohio State League | , | ||
| Archie Frankenberry | 1912 | 11 g. | Great Falls Electrics | Union Association | , | ||
| Buck Freeman | freema003joh | 1912 | 15 g. | Scranton Miners | New York State League | , | |
| James Freeman | freema004jam | 1912 | St. Joseph Drummers | Western League | , | ||
| Jerry Freeman | freema001fra | 1912 | Cleveland Forest City | United States League | , | ||
| Mark Freer | 1912 | 5/15-9/2 | Winnipeg Maroons | Central International League | , | ||
| Tony Fremer | fremer001ant | 1912 | York White Roses | Tri-State League | , | ||
| Asa French | 1912 | 111 g. | Topeka Jayhawks | Western League | , | ||
| Asa French | 1912 | Sioux City Packers | Western League | , | |||
| Ernest Frick | frick-001jam | 1912 | 54 g. | Oakland Oaks | Pacific Coast League | , | |
| Bill Friel | friel-001wil | 1912 | 2 g. | Columbus Senators | American Association | , | |
| Jacob Fromholtz | 1912 | 37 g. | Dayton Veterans | Central League | , | ||
| Leonard Frost | 1912 | 49 g. | Lancaster/Atlantic City Lanks | Tri-State League | , | ||
| Leonard Frost | 1912 | Altoona Rams/Reading Pretzels | Tri-State League | , | |||
| George Fucik | 1912-14 | Beloit College | College | , | |||
| George Fucik | 1912 | 8/17-8/21 | St. Paul Saints | American Association | , | ||
| George Fucik | 1912 | +8/26-9/9+ | Louisville Colonels | American Association | , | ||
| Alta Fulwider | 1912 | +7/15+ | Seward Statesmen | Nebraska State League | , | ||
| Alta Fulwider | 1912 | +9/22+ | Iola KS | Independent | , | ||
| Arthur Fury | 1912 | 32 g. | Salina Insurgents | Central Kansas League | , | ||
| Frederick Gaarde | 1912 | Rush Medical | College | , | |||
| George Gaddy | 1912 | 18 g. | Sacramento Sacts | Pacific Coast League | , | ||
| Fred Gaiser | gaiser001fre | 1912 | 23 g. | Wilkes-Barre Barons | New York State League | , | |
| James Ganier | ganier001jam | 1912 | Waynesburg Col | College | , | ||
| James Garman | 1912 | 131 g. | Richmond Colts | Virginia League | , | ||
| Jesse Garrett | 1912 | , | |||||
| Jim Garry | garry-001jim | 1912 | Green Bay Bays | Wisconsin-Illinois League | , | ||
| Jacob Geiser | 1912 | 77 g. | Traverse City Resorters | Michigan State League | , | ||
| Harry Gerloski | 1912 | 20 g. | Cadillac Chiefs | Michigan State League | , | ||
| Lou Gertenrich | gerten001lou | 1912 | Chicago Green Sox | United States League | , | ||
| John Geyer | geyer-001joh | 1912 | Chillicothe Infants | Ohio State League | , | ||
| Ollie Gfroerer | gfroer001oli | 1912 | Frankfort Lawmakers | Blue Grass League | , | ||
| Frederick Gibbs | 1912 | 34 g. | Bridgeport Orators | Connecticut State League | , | ||
| Edward Giencke | 1912 | Hannibal Cannibals | Central Association | , | |||
| Rufus Gilbert | gilber001ruf | 1912 | Springfield Reapers | Central League | , | ||
| Rufus Gilbert | gilber001ruf | 1912 | Zanesville Potters | Central League | , | ||
| Roy Gill | gill--002roy | 1912 | , | ||||
| Frank Gimlin | gimlin001joh | 1912 | Boise Irrigators | Western Tri-State League | , | ||
| Alva Gipe | 1912 | New Orleans Pelicans | Southern Association | , | |||
| Alva Gipe | 1912 | 21 g. | Holyoke Papermakers | Connecticut State League | , | ||
| Leo Girot | 1912 | Portland Beavers | Pacific Coast League | , | |||
| Leo Girot | 1912 | 21 g. | Portland Colts | Northwestern League | , | ||
| Fred Glass | 1912 | 5/15-9/2 | Winnipeg Maroons | Central International League | , | ||
| Kid Gleason | gleaso002wil | 1912 | 8/27 | Chicago | American League | Chicago, IL | |
| August Gleichmann | 1912 | 107 g. | Anderson Electricians | Carolina Association | , | ||
| Bob Glenalvin | glenal001bob | 1912 | Umpire | Central Association | , | ||
| Roy Glockner | 1912 | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | |||
| John Godwin | godwin001joh | 1912 | Davenport Prodigals | Illinois-Indiana-Iowa League | , | ||
| Tom Goodhart | goodha001tom | 1912 | Lanc.-Cinco | LancCity | , | ||
| Brooks Gordon | gordon001bro | 1912 | 26 g. | Canton Highlanders | Illinois-Missouri League | , | |
| James Gordon | 1912 | , | |||||
| James Gorman | 1912 | 112 g. | Lancaster/Atlantic City Lanks | Tri-State League | , | ||
| Grover Goshorn | 1912 | Richmond Rebels | United States League | , | |||
| Grover Goshorn | 1912 | 31 g. | Greenville Spinners | Carolina Association | , | ||
| Irwin Gough | 1912 | 121 g. | New Haven Murlins | Connecticut State League | , | ||
| Homer Gray | 1912 | Ardmore Giants | Texas-Oklahoma League | , | |||
| Homer Gray | 1912 | 99 g. | Kearney Kapitalists | Nebraska State League | , | ||
| Wilbur Gray | 1912-14 | U. Notre Dame | College | , | |||
| Eugene Green | 1912 | 42 g. | Holyoke Papermakers | Connecticut State League | , | ||
| Louis Green | 1912 | 30 g. | Durant Choctaws/Hustlers | Texas-Oklahoma League | , | ||
| Louis Green | 1912 | 13 g. | Denison Katydids | Texas-Oklahoma League | , | ||
| Louis Green | 1912 | 8/1- | 13 g. | Dallas Giants | Texas League | , | |
| Ernest Greenwell | 1912 | Portland Beavers | Pacific Coast League | , | |||
| Emil Grefe | 1912 | 92 g. | Zanesville Potters | Central League | , | ||
| Ed Gremminger | gremmi001lor | 1912 | 130 g. | Canton Statesmen | Central League | , | |
| Thomas Grieve | 1912 | 75 g. | Akron Rubbermen | Central League | , | ||
| Hank Griffin | griffi004jam | 1912 | -5/20 | 3 g. | Boston | National League | Boston, MA |
| Hank Griffin | griffi004jam | 1912 | 21 g. | Venice | Pacific Coast League | , | |
| Steve Griffin | griffi001ste | 1912 | 136 g. | Richmond Colts | Virginia League | , | |
| Jack Grim | grim--001joh | 1912 | Newport News Shipbuilders | Virginia League | , | ||
| John Grim | grim--002joh | 1912 | Newark Skeeters | Ohio State League | , | ||
| Huber Grimm | grimm-000hub | 1912 | U. Wash. Law | College | , | ||
| William Groeschow | groesc001wil | 1912 | +6/27+ | Umpire | Central League | , | |
| John Grogan | 1912 | 123 g. | Zanesville Potters | Central League | , | ||
| Harvey Grubb | grubb-002har | 1912 | 101 g. | Morristown Jobbers | Appalachian League | , | |
| Harvey Grubb | grubb-002har | 1912 | 9/27 | Cleveland | American League | Cleveland, OH | |
| Jasper Guhl | 1912 | Paris Bourbonites | Blue Grass League | , | |||
| Frederick Haag | 1912 | 45 g. | Manhattan Elks | Central Kansas League | , | ||
| Tom Hackett | hacket001tho | 1912 | 11 g. | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | |
| Frank Hafford | haffor001fra | 1912 | 14 g. | York White Roses | Tri-State League | , | |
| Louis Haidt | haidt-001lou | 1912 | 113 g. | Manistee Champs | Michigan State League | , | |
| Glenn Hale | hale--001gle | 1912 | 14 g. | Cadillac Chiefs | Michigan State League | , | |
| Ray Hale | hale--001ray | 1912 | Grand Haven MI | Independent | , | ||
| Louis Hall | hall--001lou | 1912 | Umpire | Central International League | , | ||
| Louis Hall | hall--001lou | 1912 | 6/17, 7/24 | Superior Red Sox | Central International League | , | |
| Billy Hamilton | hamilt006wil | 1912 | Boston | National League | Boston, MA | ||
| Arthur Hanks | hanks-001art | 1912 | +5/25+ | Maryland AC | Independent | , | |
| Arthur Hanks | hanks-001art | 1912 | +8/16+ | Chambersburg PA | Independent | , | |
| George Hargrove | 1912 | +5/11-6/15+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| George Hargrove | 1912 | 62 g. | Hopkinsville Hoppers | Kentucky-Illinois-Tennessee League | , | ||
| Warrick Hargrove | 1912 | +6/15+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Warrick Hargrove | 1912 | 6/26-9/2 | Duluth White Sox | Central International League | , | ||
| Con Harlow | harlow001con | 1912 | Helena Senators | Union Association | , | ||
| Con Harlow | harlow001con | 1912 | 40 g. | Salina Insurgents | Central Kansas League | , | |
| Hub Hart | hart--004jam | 1912 | Manistee Champs | Michigan State League | , | ||
| Hub Hart | hart--004jam | 1912 | Sacramento Sacts | Pacific Coast League | , | ||
| Robert Hassler | 1912 | +6/14+ | Salina Insurgents | Central Kansas League | , | ||
| Thomas Hasty | 1912 | Pacific Coast League | , | ||||
| Thomas Hasty | 1912 | 6/5-9/2 | Winnipeg Maroons | Central International League | , | ||
| Thomas Hasty | 1912 | Oxnard CA | Independent | , | |||
| Emil Hauser | hauser001emi | 1912 | Oregon State | College | , | ||
| Charles Havenor | 1912 | Milwaukee Brewers | American Association | , | |||
| William Hawker | 1912 | 3 g. | Paris Boosters | South Central League | , | ||
| William Hawker | 1912 | 8 g. | McKinney | Texas-Oklahoma League | , | ||
| Dwight Hazelton | hazelt001dwi | 1912 | Niag.F.-Aluminum | Independent | , | ||
| Robert Heck | 1912 | 51 g. | Lansing Senators | Southern Michigan League | , | ||
| George Heckert | hecker001geo | 1912 | Trenton Tigers | Tri-State League | , | ||
| Helmecke | 1912 | Boise Irrigators | Western Tri-State League | , | |||
| Albert Henderson | 1912 | 82 g. | Hannibal Cannibals | Central Association | , | ||
| Ben Henderson | hender003jam | 1912 | 6 g. | Portland Beavers | Pacific Coast League | , | |
| Johnny Hendley | hendle001joh | 1912 | Holdenville Hitters | Oklahoma State League | , | ||
| Claude Hendrix | hendri001cla | 1912 | 46 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Henry Henninger | 1912 | 96 g. | Austin Senators | Texas League | , | ||
| Arthur Hensling | 1912 | 11 g. | Nashville Volunteers | Southern Association | , | ||
| Oscar Heshley | 1912 | 5/13- | 10 g. | Manhattan Elks | Central Kansas League | , | |
| Oscar Heshley | 1912 | Paris Boosters | South Central League | , | |||
| Oscar Heshley | 1912 | +9/11+ | Wichita KS | Independent | , | ||
| William Hessberger | 1912 | 89 g. | Berlin Busy Bees | Canadian League | , | ||
| Byron Hewitt | 1912 | 23 g. | Fort Worth Panthers | Texas League | , | ||
| John Hickman | hickma001gor | 1912 | Bessemer Pipemakers | Southeastern League | , | ||
| Henry Hiett | 1912 | +4/26+ | 27 g. | Fort Worth Panthers | Texas League | , | |
| Henry Hiett | 1912 | +8/19+ | Galveston Pirates/Sand Crabs | Texas League | , | ||
| Archibald Hill | 1912 | 138 g. | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | ||
| John Hinton | hinton001joh | 1912 | 113 g. | Norfolk Tars | Virginia League | , | |
| Philip Hinton | 1912 | Richmond Colts | Virginia League | , | |||
| Philip Hinton | 1912 | 22 g. | Columbia Comers | South Atlantic League | , | ||
| Vern Hirsch | 1912 | 5/15-9/2 | Winnipeg Maroons | Central International League | , | ||
| Roy Hoar | 1912 | Scranton Miners | New York State League | , | |||
| Frank Hoffman | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | ||
| Wesley Holder | 1912 | 67 g. | Cadillac Chiefs | Michigan State League | , | ||
| Joseph Holland | hollan001jos | 1912 | 125 g. | Roanoke Tigers | Virginia League | , | |
| Monkey Hollinger | 1912 | 5/14-5/16 | Grand Forks Flickertails | Central International League | , | ||
| Chester Holstrom | 1912 | Minne-North Side | Independent | , | |||
| Pearl Holycross | holycr001pea | 1912 | Grand Rapids Black Sox | Central League | , | ||
| Pearl Holycross | holycr001pea | 1912 | 14 g. | Danville Speakers | Illinois-Indiana-Iowa League | , | |
| John Hornung | 1912 | 22 g. | Lima Cigarmakers | Ohio State League | , | ||
| William Horrell | 1912 | Lyons KS | Independent | , | |||
| Karl Horten | 1912 | 64 g. | Jacksonville Tarpons | South Atlantic League | , | ||
| Houser | 1912 | +5/24+ | Connellsville Cokers | Ohio-Pennsylvania League | , | ||
| Houser | 1912 | +8/27+ | New Martinsville | , | |||
| J. Houser | 1912 | +7/16-7/26+ | Steubenville-Follansbee Stubs | Ohio-Pennsylvania League | , | ||
| Joseph Houser | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | |||
| Joseph Houser | 1912 | , | |||||
| Benjamin Howard | howard003ben | 1912 | Selma AL | Independent | , | ||
| Richard Howard | 1912 | 15 g. | Lawrence Barristers | New England League | , | ||
| Richard Howard | 1912 | New Bedford Whalers | New England League | , | |||
| Berne Hughey | 1912 | 34 g. | Kalamazoo Celery Pickers | Southern Michigan League | , | ||
| William Humes | 1912 | 46 g. | Burlington Pathfinders | Central Association | , | ||
| James Hurst | 1912 | 100 g. | Paducah Chiefs | Kentucky-Illinois-Tennessee League | , | ||
| Jack Huston | huston001jac | 1912 | 5/24- | Umpire | Texas League | , | |
| John Hyzer | 1912 | 5/17 | Superior Red Sox | Central International League | , | ||
| John Hyzer | 1912 | 5/20-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Charles Irby | irby--001cha | 1912 | 100 g. | Helena Senators | Union Association | , | |
| Arthur Irwin | irwin-001art | 1912 | New York | American League | New York, NY | ||
| Albert Isbell | 1912 | 105 g. | Edmonton Gray Birds | Western Canada League | , | ||
| Otto Jacobs | 1912 | 100 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| William James | james-032--- | 1912 | 91 g. | Kansas City Blues | American Association | , | |
| Ray Jansen | jansen001ray | 1912 | Wheeling Stogies | Central League | , | ||
| Ray Jansen | jansen001ray | 1912 | 69 g. | Tacoma Tigers | Northwestern League | , | |
| Henry Jarnagin | 1912 | 5/9+ | 2 g. | Des Moines Boosters | Western League | , | |
| Henry Jarnagin | 1912 | Estherville IA | Independent | , | |||
| Henry Jarnagin | 1912 | 7/11-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Ivan Jenkins | 1912 | preseason | Denison Katydids | Texas-Oklahoma League | , | ||
| F. L. Jensen | 1912 | 5/16-7/11 | Superior Red Sox | Central International League | , | ||
| Willie Jensen | jensen001wil | 1912 | 9/10- | 5 g. | Detroit | American League | Detroit, MI |
| William Jewell | 1912 | 89 g. | Newton Railroaders/Minneapolis Minnies | Central Kansas League | , | ||
| William Jewell | 1912 | Minco OK | Independent | , | |||
| Rube Johnson | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | ||
| William Jones | 1912 | 5/17-9/2 | Winnipeg Maroons | Central International League | , | ||
| Roy Jorstad | 1912 | Seattle Giants | Northwestern League | , | |||
| Gustav Jutzi | jutzi-001joh | 1912 | Cleburne Railroaders | South Central League | , | ||
| Bob Kahl | kahl--001rob | 1912 | +5/27+ | 16 g. | Manhattan Elks | Central Kansas League | , |
| Bob Kahl | kahl--001rob | 1912 | Hiawatha KS | Independent | , | ||
| Jerry Kane | kane--001jer | 1912 | McAlester Miners | Oklahoma State League | , | ||
| Jim Kane | kane--003jam | 1912 | 152 g. | Omaha Rourkes | Western League | , | |
| Henry Katz | 1912 | 121 g. | Dayton Veterans | Central League | , | ||
| Richard Kaufman | 1912 | 51 g. | Victoria Bees | Northwestern League | , | ||
| William Kavanaugh | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | |||
| John Keady | keady-001j-- | 1912-22 | Lehigh Univ | College | , | ||
| Pat Keefe | keefe-001pat | 1912 | 4 g. | Lynn Leonardites | New England League | , | |
| Bill Keen | keen--002wil | 1912 | 41 g. | Indianapolis Indians | American Association | , | |
| Bill Keen | keen--002wil | 1912 | 94 g. | Springfield Reapers | Central League | , | |
| Keene | 1912 | 5/4-5/31 | Cleveland Forest City | United States League | , | ||
| W. Brown Keene | 1912 | 41 g. | Indianapolis Indians | American Association | , | ||
| W. Brown Keene | 1912 | 94 g. | Springfield Reapers | Central League | , | ||
| Hugh Kellackey | kellac001hug | 1912 | Boise Irrigators | Western Tri-State League | , | ||
| Bill Kelley | kelley006wil | 1912 | Zanesville Potters | Central League | , | ||
| Mike Kelley | kelley002mic | 1912 | St. Paul Saints | American Association | , | ||
| Kelly | 1912 | 6/5 | Superior Red Sox | Central International League | , | ||
| James Kelly | kelly-002jam | 1912 | 96 g. | Spartanburg Red Sox | Carolina Association | , | |
| James Kelly | kelly-002jam | 1912 | Winston-Salem Twins | Carolina Association | , | ||
| Red Kelly | kelly-002alb | 1912 | 23 g. | Des Moines Boosters | Western League | , | |
| George Kempf | 1912 | 68 g. | Ottawa Senators | Canadian League | , | ||
| Albert Kench | 1912 | Racine Belles | Wisconsin-Illinois League | , | |||
| John Kendall | 1912 | 51 g. | Newark Skeeters | Ohio State League | , | ||
| Joseph Kernan | 1912 | Oshkosh Indians | Wisconsin-Illinois League | , | |||
| Dan Kerwin | kerwin001dan | 1912 | 138 g. | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | |
| Hugo Keupper | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | |||
| Hugo Keupper | 1912 | Muscatine Wallopers | Central Association | , | |||
| Daniel Kick | 1912 | Eau Claire Commissioners | Minnesota-Wisconsin League | , | |||
| John Kilgore | 1912 | Kalamazoo Celery Pickers | Southern Michigan League | , | |||
| Ed Killian | killia001edw | 1912 | Guelph Maple Leafs | Canadian League | , | ||
| Ed Killian | killia001edw | 1912 | Buffalo Bisons | International League | , | ||
| Harry Killilay | 1912 | 20 g. | Helena Senators | Union Association | , | ||
| Harry Killilay | 1912 | Salt Lake City Skyscrapers | Union Association | , | |||
| Kenzie Kirkham | 1912 | 5/15-9/2 | Winnipeg Maroons | Central International League | , | ||
| Kenzie Kirkham | 1912 | 33 g. | Winnipeg Maroons | Central International League | , | ||
| Alois Kirmayer | 1912 | 4/24- | 18 g. | Great Falls Electrics | Union Association | , | |
| Rudy Kling | kling-001rud | 1912 | Asheville Moonshiners | Appalachian League | , | ||
| Rudy Kling | kling-001rud | 1912 | Texarkana Twins | South Central League | , | ||
| Olla Klontz | 1912 | Ft. Scott Eagles | Independent | , | |||
| Levi Knapp | 1912 | no g. | Wichita Witches | Western League | , | ||
| Louis Knapp | 1912 | Umpire | Western League | , | |||
| Knaupp | 1912 | Durant Choctaws/Hustlers | Texas-Oklahoma League | , | |||
| Cotton Knaupp | knaupp001hen | 1912 | 135 g. | New Orleans Pelicans | Southern Association | , | |
| William Knaupp | 1912 | 142 g. | Houston Buffaloes | Texas League | , | ||
| Peter Knisely | 1912 | 125 g. | Akron Rubbermen | Central League | , | ||
| Edward Kohl | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | |||
| Edward Kohl | 1912 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |||
| Henry Kohler | 1912 | Alton IL | St. Louis Trolley League | , | |||
| Andrew Konnick | 1912 | Frankfort Lawmakers | Blue Grass League | , | |||
| Bernard Kratzberg | 1912 | , | |||||
| Charles Krebs | 1912 | Lynchburg Shoemakers | Virginia League | , | |||
| Charles Krebs | 1912 | Med. Col. of VA | College | , | |||
| Samuel Krepps | 1912 | 90 g. | Salina Insurgents | Central Kansas League | , | ||
| Otto Krueger | kruege002art | 1912 | 16 g. | Scranton Miners | New York State League | , | |
| William Krueger | kruege002wil | 1912 | 5/15-8/20 | Winnipeg Maroons | Central International League | , | |
| Art Kruger | kruger001art | 1912 | 162 g. | Portland Beavers | Pacific Coast League | , | |
| Harry Kurfess | 1912 | Irvington NJ | Independent | , | |||
| Peter LaFlambois | 1912 | Seward Statesmen | Nebraska State League | , | |||
| Bert Lamb | 1912 | 23 g. | Salina Insurgents | Central Kansas League | , | ||
| Lambert | 1912 | 5/19 | Grand Forks Flickertails | Central International League | , | ||
| Raymond Lampman | 1912 | Eau Claire Commissioners | Minnesota-Wisconsin League | , | |||
| Raymond Lampman | 1912 | 7/26-9/2 | Superior Red Sox | Central International League | , | ||
| Ernest Landgraf | landgr001ern | 1912 | Richmond Rebels | United States League | , | ||
| John Landry | 1912 | +5/10-8/6+ | Umpire | Minnesota-Wisconsin League | , | ||
| Nig Langdon | langdo001fra | 1912 | 12 g. | Hopkinsville Hoppers | Kentucky-Illinois-Tennessee League | , | |
| Patrick Larkin | larkin001p-- | 1912-48 | , | ||||
| Purl LaRue | 1912 | Williamson | Mountain States League | , | |||
| Ralph Lattimore | 1912 | 63 g. | Akron Rubbermen | Central League | , | ||
| Ralph Lattimore | 1912 | 61 g. | Nashville Volunteers | Southern Association | , | ||
| Jack Law | law---001joh | 1912 | 19 g. | Greenwood Scouts | Cotton States League | , | |
| Harold Leach | 1912 | Salt Lake City Skyscrapers | Union Association | , | |||
| Harold Leach | 1912 | Lyons Lions | Central Kansas League | , | |||
| John Leber | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | ||
| Lee | 1912 | 6/16 | Grand Forks Flickertails | Central International League | , | ||
| George Lee | lee---001geo | 1912 | Hamilton Kolts | Canadian League | , | ||
| Clarence Lehr | lehr--001cla | 1912 | , | ||||
| Clarence Lehr | lehr--001cla | 1912 | Buffalo Bisons | International League | , | ||
| Clarence Lehr | lehr--001cla | 1912 | Escanaba | Independent | , | ||
| Frank Leonard | leonar001fra | 1912 | Lynn Leonardites | New England League | , | ||
| Con Lewis | 1912 | Manistee Champs | Michigan State League | , | |||
| Dudley Lewis | 1912 | 39 g. | Hopkinsville Hoppers | Kentucky-Illinois-Tennessee League | , | ||
| Dudley Lewis | 1912 | +8/6+ | Umpire | Kentucky-Illinois-Tennessee League | , | ||
| Gordon Lewis | lewis-001gor | 1912 | Univ. Wisconsin | College | , | ||
| Gordon Lewis | lewis-001gor | 1912 | 79 g. | Columbus Foxes | South Atlantic League | , | |
| Joseph Lewis | 1912 | Paris Bourbonites | Blue Grass League | , | |||
| Linderbeck | 1912 | +6/26+ | 11 g. | Chillicothe Infants | Ohio State League | , | |
| Albert Linderbeck | linder001alb | 1912 | 4/19- | Worcester Busters | New England League | , | |
| Albert Linderbeck | linder001alb | 1912 | -6/7 | New Bedford Whalers | New England League | , | |
| Albert Linderbeck | linder001alb | 1912 | +8/14+ | 47 g. | Kewanee Boilermakers | Central Association | , |
| Chris Lindsay | lindsa001chr | 1912 | 147 g. | Denver Grizzlies | Western League | , | |
| Harry Lindsay | lindsa001ira | 1912 | 33 g. | Grand Rapids Black Sox | Central League | , | |
| David LLoyd | lloyd-001dav | 1912 | 154 g. | Lincoln Railsplitters | Western League | , | |
| Harry Lloyd | 1912 | Lima Cigarmakers | Ohio State League | , | |||
| Richard Lloyd | 1912 | York White Roses | Tri-State League | , | |||
| Elmer Locke | 1912 | Paris Bourbonites | Blue Grass League | , | |||
| Albert Lodell | 1912 | +8/29+ | Pendleton Buckaroos | Western Tri-State League | , | ||
| Frank Lofton | lofton001fra | 1912 | 136 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Frank Lohr | lohr--001fra | 1912 | 5/14-7/25 | Grand Forks Flickertails | Central International League | , | |
| Frank Lohr | lohr--001fra | 1912 | 8/7-9/2 | Grand Forks Flickertails | Central International League | , | |
| Joseph Lohr | 1912 | 18 g. | Greenville Spinners | Carolina Association | , | ||
| Joseph Lohr | 1912 | 26 g. | Asheville Moonshiners | Appalachian League | , | ||
| Manfred Lothrop | 1912 | Richmond Rebels | United States League | , | |||
| Manfred Lothrop | 1912 | Portsmouth Pirates | Virginia League | , | |||
| Art Loudell | loudel001art | 1912 | 21 g. | Fort Wayne Railroaders | Central League | , | |
| William Louden | louden001wil | 1912 | Detroit | American League | Detroit, MI | ||
| William Lucas | lucas-005wil | 1912 | President | Union Association | , | ||
| Francis Ludes | 1912 | 19 g. | Salina Insurgents | Central Kansas League | , | ||
| Charlie Luskey | luskey001cha | 1912 | 101 g. | Newport News Shipbuilders | Virginia League | , | |
| Lyle | 1912 | 6/27-7/21 | Superior Red Sox | Central International League | , | ||
| John Mace | 1912 | 90 g. | Richmond Colts | Virginia League | , | ||
| Frank MacHale | mchale001fra | 1912 | Wash. & Jeff. | College | , | ||
| Merriwether MacMurdo | 1912 | 5/15-9/2 | Winnipeg Maroons | Central International League | , | ||
| Eugene Madden | 1912 | 141 g. | Galveston Pirates/Sand Crabs | Texas League | , | ||
| Tommy Madden | madden003tho | 1912 | 93 g. | Sacramento Sacts | Pacific Coast League | , | |
| George Magerkurth | 1912 | 6/4-6/6 | Duluth White Sox | Central International League | , | ||
| Leo Mahoney | 1912 | Racine Belles | Wisconsin-Illinois League | , | |||
| Miles Mains | 1912 | 13 g. | Jersey City Skeeters | International League | , | ||
| William Malcomson | 1912 | 97 g. | Charlotte Hornets | Carolina Association | , | ||
| Herm Malloy | malloy001her | 1912 | Utica Utes | New York State League | , | ||
| John Malloy | 1912 | Wausau Lumberjacks | Wisconsin-Illinois League | , | |||
| William Malone | 1912 | Aurora Blues | Wisconsin-Illinois League | , | |||
| Malqueen | 1912 | 7/24 | Missoula | Union Association | , | ||
| Vincent Maney | meaney001pat | 1912 | 1 g. | Detroit | American League | Detroit, MI | |
| John Manning | mannin001joh | 1912 | 90 g. | York White Roses | Tri-State League | , | |
| Archie Marshall | marsha001arc | 1912 | Everett-Chelsea | Greater Boston | , | ||
| Clarence Marshall | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | |||
| Doc Martin | martin006har | 1912 | - 6/5 | 2 g. | Philadelphia | American League | Philadelphia, PA |
| Harry Martin | martin007har | 1912 | 124 g. | Fort Wayne Railroaders | Central League | , | |
| Felix Martinke | martin003fel | 1912 | 23 g. | Vernon Tigers | Pacific Coast League | , | |
| James Mathis | 1912 | Longview Cannibals | South Central League | , | |||
| James Mathis | 1912 | Paris Boosters | South Central League | , | |||
| Joe Mathis | 1912 | Paris Boosters | South Central League | , | |||
| Grover Matney | matney001gro | 1912 | Kearney Kapitalists | Nebraska State League | , | ||
| Al Mattern | matter001alo | 1912 | -4/19 | 2 g. | Boston | National League | Boston, MA |
| Al Mattern | matter001alo | 1912 | 35 g. | Montreal Royals | International League | , | |
| William Matthews | matthe002wil | 1912 | 41 g. | Trenton Tigers | Tri-State League | , | |
| Frank Maxey | 1912 | 169 ab | Hiawatha Indians | Missouri-Iowa-Nebraska-Kansas League | , | ||
| Dan McAleese | mcalee001dan | 1912 | Richmond Rebels | United States League | , | ||
| Jack McAleese | mcalee001joh | 1912 | Youngstown Steelmen | Central League | , | ||
| Robert McAuley | mcaule001rob | 1912 | Gladstone | Upper Peninsula | , | ||
| Robert McAuley | mcaule001rob | 1912 | Escanaba | Upper Peninsula | , | ||
| Robert McAuley | mcaule001rob | 1912 | 7/13-9/2 | Superior Red Sox | Central International League | , | |
| Jack McCallister | mccall001jac | 1912 | Akron Rubbermen | Central League | , | ||
| Jack McCarthy | mccart003joh | 1912 | Danville Speakers | Illinois-Indiana-Iowa League | , | ||
| Jack McCarthy | mccart004jac | 1912 | Umpire | Pacific National League | , | ||
| John McCarty | 1912 | 113 g. | Indianapolis Indians | American Association | , | ||
| Edward McCleary | 1912 | 23 g. | Johnstown/Chester Johnnies | Tri-State League | , | ||
| Curtis McCoy | 1912 | 89 g. | Anderson Electricians | Carolina Association | , | ||
| Tom McCreery | mccree001tho | 1912 | U. Pittsburgh | College | , | ||
| Hugh McCune | 1912 | 70 g. | Worcester Busters | New England League | , | ||
| McCutcheon | 1912 | 5/18 | Grand Forks Flickertails | Central International League | , | ||
| Daniel McDevitt | 1912 | Lafayette Col. | College | , | |||
| Mickey McDowell | 1912 | +4/14+ | Parsons KS | Independent | , | ||
| Herm McFarland | mcfarl001her | 1912 | Richmond Rebels | United States League | , | ||
| Charles McGeehan | 1912-32 | Villanova College | College | , | |||
| Arthur McGloom | 1912 | 5/15-7/20 | Umpire | Central International League | , | ||
| Frank McGraw | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | ||
| Eugene McGreevy | mcgree001eug | 1912 | MLB Umpire | American League | , | ||
| Ted McGrew | mcgrew001har | 1912 | 67 g. | Jacksonville Tarpons | South Atlantic League | , | |
| Ted McGrew | mcgrew001har | 1912 | Columbia Comers | South Atlantic League | , | ||
| John McIlvaine | 1912 | +7/20+ | Charleroi PA | Independent | , | ||
| Morrison McMahon | mcmaho001m-- | 1912 | 130 g. | Elmira Colonels | New York State League | , | |
| Clyde McNutt | mcnutt001cly | 1912 | -6/11 | Ludington Mariners | Michigan State League | , | |
| Clyde McNutt | mcnutt001cly | 1912 | Manistee Champs | Michigan State League | , | ||
| Clyde McNutt | mcnutt001cly | 1912 | Grand Haven MI | Independent | , | ||
| Leo McQuarry | 1912 | 5/21-8/14 | Winnipeg Maroons | Central International League | , | ||
| Daniel McSurdy | mcsurd001dan | 1912 | Lancaster/Atlantic City Lanks | Tri-State League | , | ||
| Daniel McSurdy | mcsurd001dan | 1912 | Altoona Rams/Reading Pretzels | Tri-State League | , | ||
| Bill Mecherly | 1912 | 105 g. | Altoona Rams/Reading Pretzels | Tri-State League | , | ||
| Willard Meikle | 1912 | San Francisco Seals | Pacific Coast League | , | |||
| Willard Meikle | 1912 | 40 g. | Tacoma Tigers | Northwestern League | , | ||
| Dutch Meissner | 1912 | Zanesville Potters | Central League | , | |||
| Samuel Meniece | meniec001sam | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | |
| Menzel | 1912 | +5/5+ | Winn.-Lelands | WinnCity | , | ||
| Menzel | 1912 | 5/16-5/21 | Grand Forks Flickertails | Central International League | , | ||
| John Mercer | mercer002joh | 1912 | Louisiana State | College | , | ||
| John Mercer | mercer002joh | 1912 | 6/25 | St. Louis | National League | St. Louis, MO | |
| Monte Method | method001bel | 1912 | 26 g. | Boyne City Boosters | Michigan State League | , | |
| Lee Meyer | meyer-001leo | 1912 | 110 g. | Trenton Tigers | Tri-State League | , | |
| Charlie Middleton | middle002cha | 1912 | 17 g. | Keokuk Indians | Central Association | , | |
| Miller | 1912 | 7/4 | Winnipeg Maroons | Central International League | , | ||
| Babe Miller | 1912 | 45 g. | Champaign Velvets | Illinois-Missouri League | , | ||
| Elmer Miller | miller001elm | 1912 | 4/26- | 12 g. | St. Louis | National League | St. Louis, MO |
| Elmer Miller | miller001elm | 1912 | 6/22-9/2 | Duluth White Sox | Central International League | , | |
| Kohly Miller | miller001koh | 1912 | Washington Senators | United States League | , | ||
| Thomas Miller | 1912 | 124 g. | Lincoln Railsplitters | Western League | , | ||
| Missiner | 1912 | , | |||||
| Bud Moe | 1912 | 5/16-5/28 | Winnipeg Maroons | Central International League | , | ||
| Bud Moe | 1912 | 6/21-8/2 | Winnipeg Maroons | Central International League | , | ||
| Frank Moffett | moffet001fra | 1912 | Knoxville Reds | Appalachian League | , | ||
| Roy Monroe | monroe002r-- | 1912 | 90 g. | Newton Railroaders/Minneapolis Minnies | Central Kansas League | , | |
| Frederick Moore | moore-001fre | 1912 | 68 g. | Manhattan Elks | Central Kansas League | , | |
| Wade Moore | moore-001wad | 1912 | Tulsa Terriers | Oklahoma State League | , | ||
| Bill Moriarty | moriar002wil | 1912 | 72 g. | Trenton Tigers | Tri-State League | , | |
| Jim Moroney | morone002jam | 1912 | -7/23 | 10 g. | Chicago | National League | Chicago, IL |
| Paul Morse | 1912 | +5/30+ | La Crosse Outcats | Minnesota-Wisconsin League | , | ||
| Paul Morse | 1912 | 7/2-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Raymond Mowe | 1912 | 121 g. | Springfield Reapers | Central League | , | ||
| John Mulgrew | 1912 | 81 g. | Milwaukee Brewers | American Association | , | ||
| Simmy Murch | murch-001sim | 1912 | 99 g. | Lynn Leonardites | New England League | , | |
| Alexander Murray | murray001ale | 1912 | 10 g. | Wheeling Stogies | Central League | , | |
| Alexander Murray | murray001ale | 1912 | Zanesville Potters | Central League | , | ||
| Alexander Murray | murray001ale | 1912 | 5/14- | Cleveland Forest City | United States League | , | |
| Alexander Murray | murray001ale | 1912 | 52 g. | Newark Skeeters | Ohio State League | , | |
| Paul Musser | musser001pau | 1912 | Los Angeles Angels | Pacific Coast League | , | ||
| Paul Musser | musser001pau | 1912 | 6/6- | 7 g. | Washington | American League | Washington, DC |
| John Myers | meyers004joh | 1912 | 26 g. | Grand Rapids Black Sox | Central League | , | |
| Joseph Myers | myers-002jos | 1912 | +8/29+ | 35 g. | Harrisburg Senators | Tri-State League | , |
| Louis Myers | 1912 | 5/15-9/2 | Grand Forks Flickertails | Central International League | , | ||
| Tommy Mylett | mylett002tho | 1912 | +5/26-8/18+ | Bailey Co. | Clevland City League | , | |
| Phil Nadeau | nadeau001phi | 1912 | Portland Academy | High School | , | ||
| Joseph Nagle | 1912 | Topeka Jayhawks | Western League | , | |||
| Ray Nagle | 1912 | Galveston Pirates/Sand Crabs | Texas League | , | |||
| Richard Nallin | nallin001ric | 1912 | Umpire | International League | , | ||
| Offa Neal | neal--002the | 1912 | Hopkinsville Hoppers | Kentucky-Illinois-Tennessee League | , | ||
| Richard Nebinger | 1912 | , | |||||
| Richard Nebinger | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | |||
| George Needle | 1912 | 15 g. | Paducah Chiefs | Kentucky-Illinois-Tennessee League | , | ||
| George Needle | 1912 | Jackson Senators | Cotton States League | , | |||
| George Needle | 1912 | Meridian Metropolitans | Cotton States League | , | |||
| Lloyd Nefeau | nefeau001llo | 1912 | 63 g. | Saginaw Trailers | Southern Michigan League | , | |
| Clarence Nelson | nelson001cla | 1912 | 34 g. | Davenport Prodigals | Illinois-Indiana-Iowa League | , | |
| Garland Nevitt | 1912 | 127 g. | Battle Creek Crickets | Southern Michigan League | , | ||
| Leo Nevitt | 1912 | 30 g. | Galveston Pirates/Sand Crabs | Texas League | , | ||
| Frank Newhouse | 1912 | Umpire | Texas League | , | |||
| Al Newnham | newnha001alf | 1912 | Richmond Rebels | United States League | , | ||
| Al Newnham | newnha001alf | 1912 | 22 g. | Greenville Spinners | Carolina Association | , | |
| Al Newnham | newnha001alf | 1912 | 42 g. | Chillicothe Infants | Ohio State League | , | |
| Al Nickell | nickel001al- | 1912 | Berlin Busy Bees | Canadian League | , | ||
| Elbert Nicks | 1912 | , | |||||
| Ira Nicks | 1912 | 37 g. | Clarksville Rebels | Kentucky-Illinois-Tennessee League | , | ||
| Bert Noblett | noblet001j-- | 1912 | Utica Utes | New York State League | , | ||
| George Noblit | noblit001geo | 1912 | Elmira Colonels | New York State League | , | ||
| Alex Norcabbage | norcab001ale | 1912 | 34 g. | Battle Creek Crickets | Southern Michigan League | , | |
| Billy Norton | 1912 | U. North Dakota | College | , | |||
| Billy Norton | 1912 | 5/26-6/10 | Grand Forks Flickertails | Central International League | , | ||
| Jim Novacek | novace001jam | 1912 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Thomas Noyes | 1912 | Washington | American League | Washington, DC | |||
| Hugh O'Brien | obrien001h-- | 1912 | 71 g. | Beaumont Oilers | Texas League | , | |
| Joseph O'Brien | 1912 | 7/23- | 73 g. | MLB Umpire | American League | , | |
| Mickey O'Brien | 1912 | 71 g. | Beaumont Oilers | Texas League | , | ||
| Thomas O'Brien | obrien002t-- | 1912 | 5/15-9/2 | Duluth White Sox | Central International League | , | |
| Frank O'Day | 1912 | 115 g. | Springfield Reapers | Central League | , | ||
| Louis O'Halloran | 1912 | 105 g. | Winston-Salem Twins | Carolina Association | , | ||
| John O'Hara | 1912 | 113 g. | Holyoke Papermakers | Connecticut State League | , | ||
| Thomas O'Hare | ohare-001tho | 1912 | Richmond Rebels | United States League | , | ||
| O'Hayer | 1912 | 98 g. | Bassano Boosters | Western Canada League | , | ||
| Michael O'Malley | omalle001mic | 1912 | Madison Senators | Wisconsin-Illinois League | , | ||
| Jim O'Rourke | orourk003jam | 1912 | 1 g. | New Haven Murlins | Connecticut State League | , | |
| Michael O'Toole | otoole001mic | 1912 | +4/24+ | St. Paul Saints | American Association | , | |
| Fred Odwell | odwell001fre | 1912 | 56 g. | Marion Orphans/Ironton Diggers | Ohio State League | , | |
| Hatton Ogle | 1912 | 38 g. | Waco Navigators | Texas League | , | ||
| Fred Olmstead | olmste001fre | 1912 | 133 g. | Minneapolis Millers | American Association | , | |
| Fred Olmstead | olmste001fre | 1912 | Denver Grizzlies | Western League | , | ||
| Hank Olmsted | olmste001hen | 1912 | 10 g. | Oakland Oaks | Pacific Coast League | , | |
| William Oriet | oriet-001wil | 1912 | 136 g. | Missoula | Union Association | , | |
| George Ort | ort---001geo | 1912 | 95 g. | Kalamazoo Celery Pickers | Southern Michigan League | , | |
| Mack Osborne | 1912 | 57 g. | York Prohibitionists | Nebraska State League | , | ||
| Owen Osborne | 1912 | 5/12 | La Grande Pippins | Western Tri-State League | , | ||
| Owen Osborne | 1912 | Hood River OR | Independent | , | |||
| Harry Ostdiek | ostdie001hen | 1912 | 83 g. | Spokane Indians | Northwestern League | , | |
| William Oyler | oyler-001wil | 1912 | Maysville Rivermen | Blue Grass League | , | ||
| Lon Ozee | 1912 | +7/3+ | 89 g. | Newton Railroaders/Minneapolis Minnies | Central Kansas League | , | |
| Edward Painter | painte001edw | 1912 | Hannibal Cannibals | Central Association | , | ||
| Edward Painter | painte001edw | 1912 | Grand Rapids Black Sox | Central League | , | ||
| Archibald Parish | 1912 | 18 g. | Austin Senators | Texas League | , | ||
| Archibald Parish | 1912 | Fort Worth Panthers | Texas League | , | |||
| Walter Parker | 1912 | preseason | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Walter Parker | 1912 | Danville Speakers | Illinois-Indiana-Iowa League | , | |||
| Roy Parkin | parkin001r-- | 1912 | 26 g. | Oakland Oaks | Pacific Coast League | , | |
| Otto Parmalee | 1912 | Richmond Rebels | United States League | , | |||
| Clare Patterson | patter001lor | 1912 | 138 g. | Oakland Oaks | Pacific Coast League | , | |
| Benjamin Pattison | 1912 | 12 g. | Terre Haute Terre-iers | Central League | , | ||
| Ed Pearsons | 1912 | Vancouver Beavers | Northwestern League | , | |||
| Ed Pearsons | 1912 | Tacoma Tigers | Northwestern League | , | |||
| Marv Peasley | peasle001mar | 1912 | 5/18-9/2 | Winnipeg Maroons | Central International League | , | |
| Otis Peebles | 1912 | Galveston Pirates/Sand Crabs | Texas League | , | |||
| Otis Peebles | 1912 | Houston Buffaloes | Texas League | , | |||
| Barney Pelty | pelty-001bar | 1912 | Washington | American League | Washington, DC | ||
| Ross Pennybaker | 1912 | Decatur Commodores | Illinois-Indiana-Iowa League | , | |||
| Dutch Persch | persch001abn | 1912 | 6/4-9/2 | Superior Red Sox | Central International League | , | |
| Archie Persons | person001arc | 1912 | 60 g. | Bassano Boosters | Western Canada League | , | |
| Dick Picton | 1912 | Winn.-Lelands | Independent | , | |||
| Dick Picton | 1912 | 8/21-8/23 | Winnipeg Maroons | Central International League | , | ||
| Louis Pieper | 1912 | Lawrence Barristers | New England League | , | |||
| Forrest Plass | plass-001for | 1912 | 56 g. | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |
| Eddie Pleiss | pleiss001edw | 1912 | 56 g. | Richmond Colts | Virginia League | , | |
| Thomas Plummer | plumme001tho | 1912 | Richmond Rebels | United States League | , | ||
| Thomas Plummer | plumme001tho | 1912 | no g. | Lima Cigarmakers | Ohio State League | , | |
| Thomas Plummer | plumme001tho | 1912 | Mansfield Brownies | Ohio State League | , | ||
| Dee Poindexter | poinde001dee | 1912 | Tyler Elbertas | South Central League | , | ||
| Dee Poindexter | poinde001dee | 1912 | Texarkana Twins | South Central League | , | ||
| Jack Pollock | polloc001joh | 1912 | +5/15+ | Umpire | Central Association | , | |
| Lewis Popham | 1912 | 5/17-7/3 | Duluth White Sox | Central International League | , | ||
| J. E. Porte | 1912 | 62 g. | York White Roses | Tri-State League | , | ||
| Larry Pratt | pratt-001les | 1912 | 80 g. | Haverhill Hustlers | New England League | , | |
| William Pressly | 1912 | 132 g. | Roanoke Tigers | Virginia League | , | ||
| Howard Price | price-001how | 1912 | Tulsa Terriers | Oklahoma State League | , | ||
| Ted Price | price-001e-- | 1912 | Enid | Oklahoma State League | , | ||
| Grover Prough | 1912 | 96 g. | Manistee Champs | Michigan State League | , | ||
| Billy Prout | prout-002wil | 1912 | 35 g. | Richmond Rebels | United States League | , | |
| Steven Ragan | ragan-001ste | 1912 | Zanesville Potters | Central League | , | ||
| Thomas Railing | railin001tho | 1912 | Cadillac Chiefs | Michigan State League | , | ||
| Thomas Railing | railin001tho | 1912 | Lima Cigarmakers | Ohio State League | , | ||
| Milton Ramey | 1912 | 4/20-5/11+ | Denver Grizzlies | Western League | , | ||
| Milton Ramey | 1912 | +5/26-7/2+ | Fremont Pathfinders | Nebraska State League | , | ||
| Milton Ramey | 1912 | +8/18-8/24+ | Denver Grizzlies | Western League | , | ||
| George Ramsey | ramsey002geo | 1912 | Anderson Electricians | Carolina Association | , | ||
| Clifford Randolph | 1912 | no g. | Binghamton Bingoes | New York State League | , | ||
| Clifford Randolph | 1912 | Albany Senators | New York State League | , | |||
| Edward Rankin | 1912 | 31 g. | Great Bend Millers | Central Kansas League | , | ||
| William Rapps | rapps-001wil | 1912 | 144 g. | Portland Beavers | Pacific Coast League | , | |
| Tommy Raub | raub--001tho | 1912 | 48 g. | York White Roses | Tri-State League | , | |
| Leonard Reddick | 1912 | 99 g. | Bassano Boosters | Western Canada League | , | ||
| Harry Redman | redman001har | 1912 | 132 g. | Mansfield Brownies | Ohio State League | , | |
| Levi Reed | 1912 | Richmond Pioneers | Blue Grass League | , | |||
| Levi Reed | 1912 | Maysville Rivermen | Blue Grass League | , | |||
| Milt Reed | reed--001mil | 1912 | 80 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | |
| Milt Reed | reed--001mil | 1912 | Davenport Prodigals | Illinois-Indiana-Iowa League | , | ||
| Joseph Reggy | 1912 | , | |||||
| Joseph Reggy | 1912 | Greensboro Patriots | Carolina Association | , | |||
| Bill Reidy | reidy-001wil | 1912 | San Francisco Seals | Pacific Coast League | , | ||
| C. Y. Reidy | 1912 | 45 g. | Berlin Busy Bees | Canadian League | , | ||
| Jack Reidy | 1912 | 39 g. | Morristown Jobbers | Appalachian League | , | ||
| Phil Reisinger | reisin001phi | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| Phil Reisinger | reisin001phi | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Emil Reitz | 1912 | Newport News Shipbuilders | Virginia League | , | |||
| Robert Revelle | 1912 | 18 g. | Newport News Shipbuilders | Virginia League | , | ||
| Henry Rhoades | 1912 | 5/14-9/2 | Superior Red Sox | Central International League | , | ||
| Henry Rhoades | 1912 | 9/6-9/15 | Wausau Lumberjacks | Wisconsin-Illinois League | , | ||
| Frank Rhoton | rhoton001fra | 1912 | -9/7 | 98 g. | Knoxville Reds | Appalachian League | , |
| Frank Richards | richar001fra | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| Reggie Richter | richte001emi | 1912 | 41 g. | Louisville Colonels | American Association | , | |
| Walter Rickard | 1912 | 96 g. | Greensboro Patriots | Carolina Association | , | ||
| Joe Rickert | ricker001jos | 1912 | 70 g. | Topeka Jayhawks | Western League | , | |
| Jack Ridgway | ridgwa001jac | 1912 | 20 g. | Columbia Comers | South Atlantic League | , | |
| Albert Ritter | ritter001alb | 1912 | 59 g. | Cleburne Railroaders | South Central League | , | |
| Albert Ritter | ritter001alb | 1912 | Longview Cannibals | South Central League | , | ||
| William Robertson | robert009wil | 1912 | 22 g. | Indianapolis Indians | American Association | , | |
| Ernie Rochen | 1912 | 8/21-9/2 | Winnipeg Maroons | Central International League | , | ||
| Rochon | 1912 | Walla Walla | , | ||||
| Edward Rogers | 1912 | 43 g. | San Antonio Bronchos | Texas League | , | ||
| Chuck Rose | rose--001cha | 1912 | 37 g. | Houston Buffaloes | Texas League | , | |
| Henry Rossback | 1912 | Vernon Tigers | Pacific Coast League | , | |||
| Henry Rossback | 1912 | Los Angeles Angels | Pacific Coast League | , | |||
| Rothermel | 1912 | 5/24- | Grand Forks Flickertails | Central International League | , | ||
| George Routt | 1912 | 17 g. | Wichita Witches | Western League | , | ||
| George Routt | 1912 | 40 ab | Beatrice-Fairbury Milkskimmers | Missouri-Iowa-Nebraska-Kansas League | , | ||
| Roy | 1912 | 5/14- | Superior Red Sox | Central International League | , | ||
| Clyde Rupert | rupert000red | 1912 | , | ||||
| Lefty Russell | russel002cha | 1912 | -5/ | 5 g. | Philadelphia | American League | Philadelphia, PA |
| Jack Ryan | ryan--004joh | 1912 | 1 g. | Washington | American League | Washington, DC | |
| Raymond Ryan | ryan--001ray | 1912 | 38 g. | Chillicothe Infants | Ohio State League | , | |
| Raymond Ryan | ryan--001ray | 1912 | South Bend Benders | Central League | , | ||
| Raymond Ryan | ryan--001ray | 1912 | Springfield Reapers | Central League | , | ||
| Jesse Ryerson | 1912 | 26 g. | Albany Senators | New York State League | , | ||
| Jesse Ryerson | 1912 | Scranton Miners | New York State League | , | |||
| Herbert Sackett | 1912 | 287 ab | Hiawatha Indians | Missouri-Iowa-Nebraska-Kansas League | , | ||
| Joseph Safford | saffor001jos | 1912 | Troy Trojans | New York State League | , | ||
| George Sage | 1912 | 23 g. | St. Joseph Drummers | Western League | , | ||
| George Sage | 1912 | +8/10+ | Sioux City Packers | Western League | , | ||
| Leo Sage | sage--001leo | 1912 | +5/16+ | Minneapolis Millers | American Association | , | |
| Leo Sage | sage--001leo | 1912 | Sioux City Packers | Western League | , | ||
| Arthur Salter | salter001a-- | 1912 | , | ||||
| Jimmie Savage | savage001jam | 1912 | 9/3- | 2 g. | Philadelphia | National League | Philadelphia, PA |
| James Scanlon | 1912 | 125 g. | Omaha Rourkes | Western League | , | ||
| George Schaefer | schaef002geo | 1912 | 69 g. | Ludington Mariners | Michigan State League | , | |
| Robert Schang | 1912 | 83 g. | Erie Sailors | Central League | , | ||
| Harry Schantz | 1912 | 37 g. | Lima Cigarmakers | Ohio State League | , | ||
| Bill Schardt | schard001wil | 1912 | 7 g. | Brooklyn | National League | Brooklyn, NY | |
| Frank Schaub | schaub001fra | 1912 | Appleton Papermakers | Wisconsin-Illinois League | , | ||
| George Schirm | 1912 | 104 g. | Buffalo Bisons | International League | , | ||
| Peter Schlensker | 1912 | 98 g. | Clarksville Rebels | Kentucky-Illinois-Tennessee League | , | ||
| Gustave Schmidt | 1912 | 40 g. | Elmira Colonels | New York State League | , | ||
| Clay Schoonover | 1912 | 34 g. | Grand Island Collegians | Nebraska State League | , | ||
| Henry Schultz | 1912 | Austin Senators | Texas League | , | |||
| Edward Schulze | 1912 | 27 g. | Dayton Veterans | Central League | , | ||
| Hack Schumann | schuma002car | 1912 | 23 g. | Guelph Maple Leafs | Canadian League | , | |
| Matty Schwab | schwab001mat | 1912 | Cincinnati | National League | Cincinnati, OH | ||
| Rudy Schwenck | schwen001rud | 1912 | 22 g. | Sacramento Sacts | Pacific Coast League | , | |
| Harry Sears | sears-001har | 1912 | Oakland-Richmond | California State League | , | ||
| Joseph Seaton | 1912 | 11 g. | Vancouver Beavers | Northwestern League | , | ||
| Joseph Seaton | 1912 | 6/12-9/2 | Winnipeg Maroons | Central International League | , | ||
| Frederick Sensenbach | 1912 | 100 g. | Flint Vehicles | Southern Michigan League | , | ||
| Joe Shackleton | shackl001jos | 1912 | Pate.-Lafayette | Independent | , | ||
| Charlie Shaffer | shaffe001cha | 1912 | Norfolk Tars | Virginia League | , | ||
| Howie Shanks | shanks001how | 1912 | 5/9- | 116 g. | Washington | American League | Washington, DC |
| Thomas Sharp | 1912 | 88 g. | Asheville Moonshiners | Appalachian League | , | ||
| Carl Shaw | 1912 | -6/11 | 22 g. | Cadillac Chiefs | Michigan State League | , | |
| Carl Shaw | 1912 | Grand Haven MI | Independent | , | |||
| Howard Shaylor | 1912 | 5/3-5/18 | Cleveland Forest City | United States League | , | ||
| Howard Shaylor | 1912 | Berlin Busy Bees | Canadian League | , | |||
| Howard Shaylor | 1912 | +7/22+ | Ashtabula OH | Independent | , | ||
| Danny Shea | shea--001dan | 1912 | Seattle Giants | Northwestern League | , | ||
| Danny Shea | shea--001dan | 1912 | Vancouver Beavers | Northwestern League | , | ||
| Danny Shea | shea--001dan | 1912 | 7/9- | San Francisco Seals | Pacific Coast League | , | |
| John Shea | shea--002joh | 1912 | 5/15-5/26 | Winnipeg Maroons | Central International League | , | |
| Clarence Sheehan | 1912 | 101 g. | Streator Speedboys | Illinois-Missouri League | , | ||
| W. Everett Sheffield | 1912 | 15 g. | Dallas Giants | Texas League | , | ||
| William Sheffield | sheffi001--- | 1912 | 54 g. | Longview Cannibals | South Central League | , | |
| Ralph Shimeall | 1912 | 15 g. | Manhattan Elks | Central Kansas League | , | ||
| Toots Shultz | shultz001wal | 1912 | - 9/13 | 23 g. | Philadelphia | National League | Philadelphia, PA |
| Charles Sisson | 1912 | 105 g. | Columbus Foxes | South Atlantic League | , | ||
| Charles Sisson | 1912 | Atlanta Crackers | Southern Association | , | |||
| Lloyd Skillman | 1912 | 9 g. | Edmonton Gray Birds | Western Canada League | , | ||
| Barney Slaughter | slaugh001byr | 1912 | Erie Sailors | Central League | , | ||
| Walter Slear | slear-001wal | 1912 | 104 g. | Boyne City Boosters | Michigan State League | , | |
| August Smith | 1912 | 115 g. | San Antonio Bronchos | Texas League | , | ||
| Dick Smith | smith-018ric | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Ed Smith | smith-001rhe | 1912 | Notre Dame | College | , | ||
| Ed Smith | smith-001rhe | 1912 | 32 g. | Grand Rapids Black Sox | Central League | , | |
| Elmer Smith | 1912 | Toledo Mud Hens | American Association | , | |||
| Elmer Smith | 1912 | 119 g. | Adrian Lions | Southern Michigan League | , | ||
| Hugh Smith | 1912 | 39 g. | Los Angeles Angels | Pacific Coast League | , | ||
| Hugh Smith | 1912 | Univ. San Francisco | College | , | |||
| Tom Smith | smith-001tho | 1912 | 99 g. | Jackson Senators | Cotton States League | , | |
| Wib Smith | smith-003wil | 1912 | 34 g. | Minneapolis Millers | American Association | , | |
| William Smith | 1912 | +5/11-6/3+ | Baltimore Orioles | International League | , | ||
| William Smith | 1912 | Memphis Chickasaws | Southern Association | , | |||
| Homer Smoot | smoot-001hom | 1912 | 23 g. | Wilkes-Barre Barons | New York State League | , | |
| Frank Smykal | smykal001fra | 1912 | 5/25-9/2 | Grand Forks Flickertails | Central International League | , | |
| Snooks | 1912 | 5/28-6/17 | Grand Forks Flickertails | Central International League | , | ||
| Graeme Snow | 1912 | Oshkosh Indians | Wisconsin-Illinois League | , | |||
| Gus Soffel | soffel001aug | 1912 | St. Joseph Drummers | Western League | , | ||
| Lyle Sours | 1912 | 5/15- | Duluth White Sox | Central International League | , | ||
| Joseph Spaid | 1912 | +5/17+ | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Merle Spaid | 1912 | Green Bay Bays | Wisconsin-Illinois League | , | |||
| Al Speiser | speise001a-- | 1912 | +8/24+ | Minn.-Steamfitters | Independent | , | |
| Al Speiser | speise001a-- | 1912 | +9/1+ | Minn.-Ballards | Independent | , | |
| James Spellman | 1912 | Nebraska State League | , | ||||
| Hack Spencer | spence001fre | 1912 | 4/18 | St. Louis | American League | St. Louis, MO | |
| Hack Spencer | spence001fre | 1912 | 58 g. | Quincy Old Soldiers | Illinois-Indiana-Iowa League | , | |
| Harry Spencer | spence001hen | 1912 | 126 g. | Salt Lake City Skyscrapers | Union Association | , | |
| Bryant Spicer | 1912 | Winchester Hustlers/Nicholasville Orphans/Mount St | Blue Grass League | , | |||
| Walter Sporer | 1912 | +8/4+ | 254 ab | Nebraska City Forresters | Missouri-Iowa-Nebraska-Kansas League | , | |
| Jake Stahl | stahl-001gar | 1912 | 95 g. | Boston | American League | Boston, MA | |
| Charles Staley | 1912 | 133 g. | Danville Speakers | Illinois-Indiana-Iowa League | , | ||
| Buck Stanley | stanle001joh | 1912 | 35 g. | Lancaster/Atlantic City Lanks | Tri-State League | , | |
| Stark | 1912 | 78 g. | Red Deer Eskimos | Western Canada League | , | ||
| Claude Stark | stark-001cla | 1912 | Ludington Mariners | Michigan State League | , | ||
| Edwin Stark | 1912 | 6/15-9/2 | Duluth White Sox | Central International League | , | ||
| Edwin Stark | 1912 | 9/5-9/15 | Wausau Lumberjacks | Wisconsin-Illinois League | , | ||
| Con Starkel | starke001con | 1912 | Tacoma Tigers | Northwestern League | , | ||
| Joseph Staub | 1912 | 71 g. | Norfolk Tars | Virginia League | , | ||
| John Stelle | 1912 | 34 g. | Henderson Hens | Kentucky-Illinois-Tennessee League | , | ||
| John Stelle | 1912 | Frankfort Lawmakers | Blue Grass League | , | |||
| John Stelle | 1912 | 13 g. | Decatur Commodores | Illinois-Indiana-Iowa League | , | ||
| Henry Stickney | stickn001abr | 1912 | Selma Centralites | Southeastern League | , | ||
| Jesse Stoffer | 1912 | 36 g. | Great Bend Millers | Central Kansas League | , | ||
| Tom Stouch | stouch001tom | 1912 | 21 g. | Greenville Spinners | Carolina Association | , | |
| Jesse Stovall | stoval001jes | 1912 | 68 g. | Butte Miners | Union Association | , | |
| Paul Stowers | 1912 | 20 g. | Spartanburg Red Sox | Carolina Association | , | ||
| Charles Strain | 1912 | Rich.-Regulars | Independent | , | |||
| Charles Strain | 1912 | 70 g. | Richmond Colts | Virginia League | , | ||
| Lee Strain | 1912 | 5/14-5/24 | Grand Forks Flickertails | Central International League | , | ||
| Lee Strain | 1912 | 5/26-5/28 | Winnipeg Maroons | Central International League | , | ||
| Julie Streib | streib001jul | 1912 | 80 g. | Calgary Bronchos | Western Canada League | , | |
| Theodore Streib | streib001the | 1912 | San Jose | Three C | , | ||
| Theodore Streib | streib001the | 1912 | Oak.-Jackson Furn | Independent | , | ||
| Frederick Stripp | stripp001fre | 1912 | 67 g. | Butte Miners | Union Association | , | |
| Frederick Stripp | stripp001fre | 1912 | Ogden Canners | Union Association | , | ||
| Alden Strong | 1912 | Coast Artillery Corps | , | ||||
| Fred Strood | strood001fre | 1912 | no g. | Wheeling Stogies | Central League | , | |
| William Sturgeon | 1912 | Vernon Tigers | Pacific Coast League | , | |||
| William Sturgeon | 1912 | 6/2-6/10 | Winnipeg Maroons | Central International League | , | ||
| William Sturgeon | 1912 | 6/12- | Superior Red Sox | Central International League | , | ||
| George Sutton | 1912 | 120 g. | Burlington Pathfinders | Central Association | , | ||
| Myron Sutton | sutton001car | 1912 | , | ||||
| Charles Swann | 1912 | 16 g. | Henderson Hens | Kentucky-Illinois-Tennessee League | , | ||
| Fred Sweet | 1912 | St. Lawrence U. | College | , | |||
| Fred Sweet | 1912 | 18 g. | Des Moines Boosters | Western League | , | ||
| Harry Syfert | syfert001har | 1912 | 38 g. | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | |
| Harry Sylvester | 1912 | by 9/8 | 117 g. | Appleton Papermakers | Wisconsin-Illinois League | , | |
| William Taaffe | taffee001w-- | 1912 | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| William Taaffe | taffee001w-- | 1912 | Bloomington Bloomers | Illinois-Indiana-Iowa League | , | ||
| Elmer Tadlock | 1912 | 26 g. | Champaign Velvets | Illinois-Missouri League | , | ||
| Frank Talbot | 1912 | 14 g. | Cadillac Chiefs | Michigan State League | , | ||
| Bayard Taylor | 1912 | Oshkosh Indians | Wisconsin-Illinois League | , | |||
| Edwin Taylor | 1912 | 114 g. | Jackson Convicts | Southern Michigan League | , | ||
| M. Owen Taylor | taylor001m-- | 1912 | 5/14-7/26 | Superior Red Sox | Central International League | , | |
| Slats Taylor | taylor002vir | 1912 | 5/9 | La Grande Pippins | Western Tri-State League | , | |
| William Taylor | 1912 | Richmond Rebels | United States League | , | |||
| Henry Te Roller | 1912 | 100 g. | Ludington Mariners | Michigan State League | , | ||
| Harvey Teal | teal--003har | 1912 | 32 g. | Syracuse Stars | New York State League | , | |
| Curt Templin | templi001cur | 1912 | 25 g. | Peterborough Whitecaps | Canadian League | , | |
| Parry Thackara | thacka001dav | 1912 | Fall River Brienies | New England League | , | ||
| Parry Thackara | thacka001dav | 1912 | Richmond Colts | Virginia League | , | ||
| Theobold | 1912 | Winchester Hustlers/Nicholasville Orphans/Mount St | Blue Grass League | , | |||
| Jack Thomas | thomas007joh | 1912 | 74 g. | Des Moines Boosters | Western League | , | |
| Jack Thoney | thoney001joh | 1912 | 84 g. | Jersey City Skeeters | International League | , | |
| Jim Thorpe | thorpe001jam | 1912 | , | ||||
| Theodore Thorsen | 1912 | +5/26+ | Duluth-Fitwells | Independent | , | ||
| George Tieman | tieman001geo | 1912 | 117 g. | South Bend Benders | Central League | , | |
| Jack Tighe | tighe-001joh | 1912 | Louisville Colonels | American Association | , | ||
| Jimmy Toman | toman-001jam | 1912 | Umpire | Northwestern League | , | ||
| Chuck Tompkins | tompki001cha | 1912 | Wash & Lee U. | College | , | ||
| Chuck Tompkins | tompki001cha | 1912 | +6/11+ | Toronto Maple Leafs | International League | , | |
| Chuck Tompkins | tompki001cha | 1912 | 6/25 | Cincinnati | National League | Cincinnati, OH | |
| Chuck Tompkins | tompki001cha | 1912 | 7/29+ | Toronto Maple Leafs | International League | , | |
| Thomas Toner | toner-001tho | 1912 | 118 g. | Great Falls Electrics | Union Association | , | |
| Thomas Tonneson | 1912 | 23 g. | Portland Colts | Northwestern League | , | ||
| Theodore Touchstone | 1912 | Roanoke Tigers | Virginia League | , | |||
| Theodore Touchstone | 1912 | +8/10+ | Media PA | Independent | , | ||
| George Townsend | 1912 | 97 g. | Johnson City Soldiers | Appalachian League | , | ||
| Grover Tracey | tracey001gro | 1912 | Oshkosh Indians | Wisconsin-Illinois League | , | ||
| William Umlauf | 1912 | York White Roses | Tri-State League | , | |||
| Reuben Ursella | 1912 | 5/18 | Superior Red Sox | Central International League | , | ||
| Lon Ury | ury---001lou | 1912 | +5/30+ | Oklahoma City Indians | Oklahoma State League | , | |
| Jerome Utley | utley-001jer | 1912 | , | ||||
| Bradley Valliere | 1912 | +5/22 | Fort Wayne Railroaders | Central League | , | ||
| Dow Van Dine | vandin001dow | 1912 | 5/14-9/2 | Grand Forks Flickertails | Central International League | , | |
| Joseph Van | 1912 | Ogden Canners | Union Association | , | |||
| Joseph Van | 1912 | Salt Lake City Skyscrapers | Union Association | , | |||
| Vance | 1912 | 10 g. | Roanoke Tigers | Virginia League | , | ||
| Vance | 1912 | 5/17-6/5 | Superior Red Sox | Central International League | , | ||
| Joe Vance | 1912 | +7/22+ | Maysville Rivermen | Blue Grass League | , | ||
| Omar Vance | 1912 | 45 g. | Mobile Sea Gulls | Southern Association | , | ||
| Carl Vandagrift | vandag001car | 1912 | 125 g. | Fort Wayne Railroaders | Central League | , | |
| Anthony Vanderhill | vander001ant | 1912 | Falls City Colts | Missouri-Iowa-Nebraska-Kansas League | , | ||
| Asa Vealey | 1912 | Port Huron Independents | Border League | , | |||
| Asa Vealey | 1912 | +8/25+ | Detr.-S&S | Independent | , | ||
| Charles Venable | venabl001cha | 1912 | 4/25- | Scranton Miners | New York State League | , | |
| Charles Venable | venabl001cha | 1912 | Wilkes-Barre Barons | New York State League | , | ||
| Charles Venable | venabl001cha | 1912 | +7/12- | 59 g. | Bridgeport Orators | Connecticut State League | , |
| Phil Vetter | vetter001phi | 1912 | +5/26+ | Loui.-Reccius | Independent | , | |
| Samuel Vivian | 1912 | 44 g. | Calgary Bronchos | Western Canada League | , | ||
| Otto Vogel | 1912 | 133 g. | Springfield Senators | Illinois-Indiana-Iowa League | , | ||
| Voltz? Volz | 1912 | Paris Bourbonites | Blue Grass League | , | |||
| Rip Vowinkel | vowink001joh | 1912 | 13 g. | Harrisburg Senators | Tri-State League | , | |
| Charles Wadleigh | 1912 | 93 g. | Brockton Shoemakers | New England League | , | ||
| Rufus Waldorf | 1912 | 13 g. | Atlanta Crackers | Southern Association | , | ||
| Curtis Walker | 1912 | Winston-Salem Twins | Carolina Association | , | |||
| James Wall | 1912 | 36 g. | Ottumwa Speedboys | Central Association | , | ||
| Joe Wall | wall--005jos | 1912 | no g. | Boston | National League | Boston, MA | |
| Joe Wall | wall--005jos | 1912 | 5/1-5/25 | New York Knickerbockers | United States League | , | |
| Joe Wall | wall--005jos | 1912 | Muscatine Wallopers | Central Association | , | ||
| A. C. Wallace | 1912 | 131 g. | San Antonio Bronchos | Texas League | , | ||
| A. C. Wallace | 1912 | Fort Worth Panthers | Texas League | , | |||
| Red Waller | waller001joh | 1912 | 39 g. | Lynn Leonardites | New England League | , | |
| Joe Walsh | walsh-002jos | 1912 | Toledo Mud Hens | American Association | , | ||
| Joe Walsh | walsh-002jos | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | ||
| Joe Walsh | walsh-002jos | 1912 | 17 g. | Port Huron Independents | Border League | , | |
| Martin Walsh | 1912 | Atlanta Crackers | Southern Association | , | |||
| Martin Walsh | 1912 | +5/3+ | Portsmouth Pirates | Virginia League | , | ||
| Amos Walters | 1912 | Cleveland Forest City | United States League | , | |||
| Amos Walters | 1912 | 17 g. | Traverse City Resorters | Michigan State League | , | ||
| Herman Walters | 1912 | Falls City Colts | Missouri-Iowa-Nebraska-Kansas League | , | |||
| Roxey Walters | walter001lou | 1912 | Kewanee Boilermakers | Central Association | , | ||
| Roxey Walters | walter001lou | 1912 | Muscatine Wallopers | Central Association | , | ||
| Homer Warner | warner001hom | 1912 | 26 g. | Lansing Senators | Southern Michigan League | , | |
| Mum Warrender | warren002fra | 1912 | 119 g. | Ludington Mariners | Michigan State League | , | |
| Wassgatt/ett | 1912 | 5/19-5/23 | Grand Forks Flickertails | Central International League | , | ||
| Julius Watson | watson001jul | 1912 | 79 g. | Portsmouth Pirates | Virginia League | , | |
| Henry Weakley | weakle001hen | 1912 | 47 g. | Cairo Egyptians | Kentucky-Illinois-Tennessee League | , | |
| Fred Weeks | weeks-001fre | 1912 | 107 g. | Wilmington Chicks | Tri-State League | , | |
| John Weimer | 1912 | Albany Babies | South Atlantic League | , | |||
| Harry Welch | welch-002har | 1912 | Omaha-Storz | Independent | , | ||
| Harry Welch | welch-001har | 1912 | 16 g. | Des Moines Boosters | Western League | , | |
| Harry Welch | welch-001har | 1912 | Estherville IA | SoMN-NoIa | , | ||
| Abe Welcher | 1912 | 11 g. | Altoona Rams/Reading Pretzels | Tri-State League | , | ||
| Harry Welcher | 1912 | 74 g. | Wheeling Stogies | Central League | , | ||
| Calvin Wenger | 1912 | +5/23 | Cadillac Chiefs | Michigan State League | , | ||
| George Wessler | wessle001geo | 1912 | 137 g. | Ogden Canners | Union Association | , | |
| Bert West | 1912 | 42 g. | Muscatine Wallopers | Central Association | , | ||
| William West | 1912 | 92 g. | Lima Cigarmakers | Ohio State League | , | ||
| Fred Westervelt | 1912 | MLB Umpire | American League | , | |||
| James Westlake | westla001jam | 1912 | 66 g. | Morristown Jobbers | Appalachian League | , | |
| Jimmy Whalen | whalen003wil | 1912 | 47 g. | Vernon Tigers | Pacific Coast League | , | |
| John Whitaker | whitak001j-- | 1912 | 100 g. | Cleveland Counts | Appalachian League | , | |
| David White | white-004dav | 1912 | 25 g. | Junction City Soldiers | Central Kansas League | , | |
| Jack White | white-012joh | 1912 | 131 g. | Syracuse Stars | New York State League | , | |
| Roy Whiteside | 1912 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |||
| Roy Whiteside | 1912 | 5/28-7/11 | Grand Forks Flickertails | Central International League | , | ||
| Roy Whiteside | 1912 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |||
| John Wickenhofer | 1912 | 94 g. | Hattiesburg Timberjacks/Columbus Joy Riders | Cotton States League | , | ||
| Al Wickland | wickla001alb | 1912 | 128 g. | Dayton Veterans | Central League | , | |
| Frederick Wilhelm | wilhel001fre | 1912 | +6/25+ | Newark Skeeters | Ohio State League | , | |
| Joe Wilkins | wilkin001jos | 1912 | 5/16- | Hoquiam Cougars | Washington State League | , | |
| Ed Williams | 1912 | 35 g. | Indianapolis Indians | American Association | , | ||
| Nick Williams | willia011ric | 1912 | Portland Colts | Northwestern League | , | ||
| Otto Williams | willia001ott | 1912 | 145 g. | Indianapolis Indians | American Association | , | |
| Carter Wilson | 1912 | Dubuque Dubs | Illinois-Indiana-Iowa League | , | |||
| Carter Wilson | 1912 | 5/14-9/10 | Grand Forks Flickertails | Central International League | , | ||
| Christy Wilson | wilson003chr | 1912 | 89 g. | Worcester Busters | New England League | , | |
| Leo Witterstaetter | 1912 | 72 g. | Columbia Comers | South Atlantic League | , | ||
| Leo Witterstaetter | 1912 | Cincinnati Pippins | United States League | , | |||
| Frederick Wohlleben | 1912 | Waco Navigators | Texas League | , | |||
| Ralph Woldring | 1912 | 32 g. | St. Joseph Drummers | Western League | , | ||
| Orville Wolfe | 1912 | Rockford Wolverines | Wisconsin-Illinois League | , | |||
| Meldon Wolfgang | 1912 | 52 g. | Lowell Grays | New England League | , | ||
| Louis Womble | womble001lou | 1912 | 28 g. | Knoxville Reds | Appalachian League | , | |
| Lewis Woods | woods-001lew | 1912 | 21 g. | Norfolk Tars | Virginia League | , | |
| Clyde Woolen | 1912 | 90 g. | Junction City Soldiers | Central Kansas League | , | ||
| Robert Worman | 1912 | Duluth White Sox | Central International League | , | |||
| Harry Wormwood | 1912 | 65 g. | Fall River Brienies | New England League | , | ||
| Lucky Wright | wright007wil | 1912 | 8 g. | McKinney | Texas-Oklahoma League | , | |
| Lucky Wright | wright007wil | 1912 | 7 g. | Ardmore Giants | Texas-Oklahoma League | , | |
| Lucky Wright | wright007wil | 1912 | 3 g. | Denison Katydids | Texas-Oklahoma League | , | |
| Lucky Wright | wright007wil | 1912 | Umpire | South Central League | , | ||
| S. J. Wright | 1912 | 1 g. | Wichita Witches | Western League | , | ||
| William Wynne | wynne-001wil | 1912 | 94 g. | Knoxville Reds | Appalachian League | , | |
| Hogan Yancey | yancey001hog | 1912 | Lexington Colts | Blue Grass League | , | ||
| Roscoe Yant | 1912 | Ottumwa Speedboys | Central Association | , | |||
| Bob Yates | 1912 | Greenwood Scouts | Cotton States League | , | |||
| David Yates | 1912 | Petersburg Goobers | Virginia League | , | |||
| Harry Zanelli | 1912 | 38 g. | Lynchburg Shoemakers | Virginia League | , | ||
| Harry Zanelli | 1912 | 22 g. | Asheville Moonshiners | Appalachian League | , | ||
| Bill Zink | zink--001wil | 1912 | Seward Statesmen | Nebraska State League | , | ||
| August Zurlage | zurlag001a-- | 1912 | Ironton Forgers | Mountain States League | , |