exactmatch =
Year =
League =
Club =
There are 4040 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Ed Abbaticchio | abbati001edw | 1901 | 5/2-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Fred Abbott | abbott002har | 1901 | 5/2-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Jack Abbott | abbott001jac | 1901 | 7/8 | Manchester | New England League | Manchester, NH | |
| Paine Abbott | 1901 | Enlisted US Army 3/5/01 | , | ||||
| Spencer Abbott | abbott001spe | 1901 | 5/2-5/15 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Victor Accorsini | accors001vic | 1901 | Cortland/Waverly | New York State League | Waverly, NY | ||
| Victor Accorsini | accors001vic | 1901 | 8/16-8/17 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Victor Accorsini | accors001vic | 1901 | 9/13-9/24 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Adams | 1901 | Williams College | College | , | |||
| George Adams | adams-085--- | 1901 | 7/1-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Rick Adams | adams-001reu | 1901 | 5/23-7/14 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Rick Adams | adams-001reu | 1901 | 7/17-10/13 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Merle Adkins | adkins001mer | 1901 | Beloit College | College | , | ||
| Pete Agnew | agnew-001pet | 1901 | 5/3-5/14 | Montreal Royals | Eastern League | Montreal, QC | |
| Pete Agnew | agnew-001pet | 1901 | 5/21-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Pete Agnew | agnew-001pet | 1901 | +8/9+ | Chester | Independent | Chester, PA | |
| Dick Agon | agon--000dic | 1901 | 7/1-7/22 | Canton | Northern New York League | Canton, NY | |
| A'Heasy | ahease001--- | 1901 | 5/4-6/27 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| A'Heasy | ahease001--- | 1901 | 6/28 | New London Whalers | Connecticut State League | New London, CT | |
| Dad Ahorn | ahorn-001a-- | 1901 | in SW | , | |||
| Cy Alberts | albert001fre | 1901 | 8/11-8/21 | Grand Rapids | Western League | Grand Rapids, MI | |
| Aldrich | aldric002--- | 1901 | 5/17 | Utica Pentups | New York State League | Utica, NY | |
| Aldrich | aldric002--- | 1901 | 5/25 | Ilion Typewriters | New York State League | Ilion, NY | |
| Bill Alexander | alexan005wil | 1901 | 5/2-7/18 | Selma Christians | Southern Association | Selma, AL | |
| Albie Allard | allard001--- | 1901 | 5/15-6/20 | Lowell Tigers | New England League | Lowell, MA | |
| Harry Allemang | allema001har | 1901 | 5/6-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Allen | allen-078--- | 1901 | 8/17-8/28 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Charlie Allen | allen-005cha | 1901 | 6/10-6/20 | Lewiston | New England League | Lewiston, ME | |
| Charlie Allen | allen-005cha | 1901 | 5/15-6/8 | Augusta | New England League | Augusta, ME | |
| Fred Allen | allen-002fre | 1901 | 5/11-7/1 | Selma Christians | Southern Association | Selma, AL | |
| George Allen | allen-003geo | 1901 | 4/17-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| George Allen | allen-003geo | 1901 | 7/9-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Arthur Alloway | allowa001art | 1901 | 4/26-7/10 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Arthur Alloway | allowa001art | 1901 | 7/21-9/15 | Omaha Omahogs | Western League | Omaha, NE | |
| Nick Altrock | altroc001nic | 1901 | 4/25-9/6 | Toronto Royals | Eastern League | Toronto, ON | |
| Burton Ambrose | ambros001--- | 1901 | Clarkson Tech | College | , | ||
| Burton Ambrose | ambros001--- | 1901 | 7/2-8/9 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Burton Ambrose | ambros001--- | 1901 | 8/19 | Potsdam | Northern New York League | Potsdam, NY | |
| Ed Ames | ames--001edw | 1901 | 4/26 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Ed Ames | ames--001edw | 1901 | 5/1-5/30 | Grand Rapids | Western League | Grand Rapids, MI | |
| Ed Ames | ames--001edw | 1901 | 6/4-6/20 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Ed Ames | ames--001edw | 1901 | 8/3-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Doc Amole | amole-001doc | 1901 | 4/26-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Anderson | anders048--- | 1901 | 5/2-6/3 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Andy Anderson | anders003and | 1901 | 5/1-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Andy Anderson | anders003art | 1901 | 5/4-8/2 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Andy Anderson | anders003art | 1901 | 8/31-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Ernest Anderson | anders001ern | 1901 | Atchison Franks | Independent | Atchison, KS | ||
| John Anderson | anders010joh | 1901 | 138 g. | Milwaukee | American League | Milwaukee, WI | |
| Spike Anderson | anders003a-- | 1901 | U. Minnesota | College | , | ||
| Spike Anderson | anders003a-- | 1901 | Albert Lea | Independent | Albert Lea, MN | ||
| Spike Anderson | anders003a-- | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| Walter Anderson | anders005wal | 1901 | 7/6-7/8 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Andrews | andrew033--- | 1901 | 7/12-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Doc Andrews | andrew001jay | 1901 | 4/25-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| George Andrews | andrew006geo | 1901 | 6 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Ernest Anklam | anklam001ern | 1901 | 5/30-5/31 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Bill Annis | annis-001wil | 1901 | 2 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Joseph Arlington | arling001jos | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| Charlie Armbruster | armbru001cha | 1901 | West Point TAC | Independent | West Point, | ||
| Bill Armour | armour001wil | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Frank Armstrong | armstr001fra | 1901 | 4/17-5/1 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Lou Armstrong | armstr001lou | 1901 | 5/29-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| George Arnold | arnold001geo | 1901 | 5/12-6/9 | Rome Romans | New York State League | Rome, NY | |
| George Arnold | arnold001geo | 1901 | 7/12 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Ed Arthur | arthur002sta | 1901 | 8 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Ed Arthur | arthur002sta | 1901 | 6/7-9/4 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Ernie Asbury | asbury001ern | 1901 | 11 g. | Salt Lake City | Inter-Mountain League | , | |
| Ernie Asbury | asbury001ern | 1901 | 6 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Steve Ashe | ashe--001ste | 1901 | 5/7-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Ed Ashenbach | ashenb001edw | 1901 | 4/15-6/22 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Ed Ashenbach | ashenb001edw | 1901 | 6/24-7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Jack Ashton | ashton001joh | 1901 | 5/2-9/5 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Charlie Atherton | athert001cha | 1901 | 4/25-7/23 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Raymond Attridge | attrid000ray | 1901 | +6/14+ | Bethel | Independent | Bethel, KS | |
| Jake Atz | atz---001joh | 1901 | 4/15-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Jake Atz | atz---001joh | 1901 | 7/9-8/13 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Jake Atz | atz---001joh | 1901 | 8/15-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Harry Aubrey | aubrey001har | 1901 | 5/22-5/30 | Marion Glass Blowers | Western Association | Marion, IN | |
| Harry Aubrey | aubrey001har | 1901 | 6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Harry Aubrey | aubrey001har | 1901 | 6/4-6/9 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Charlie Babb | babb--001cha | 1901 | 4/25-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| George Babbitt | babbit002geo | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Backer | backer000--- | 1901 | 6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Harry Bacon | bacon-001har | 1901 | 6/5-8/16 | Lowell Tigers | New England League | Lowell, MA | |
| Louis Bacon | bacon-001jam | 1901 | 9/4-9/6 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Frank Badger | badger001fra | 1901 | 5/2-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Charles Baerwald | baerwa001cha | 1901 | 8 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Harvey Bailey | bailey003har | 1901 | 4/26-6/27 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Harvey Bailey | bailey003har | 1901 | 6/30-9/21 | Grand Rapids | Western League | Grand Rapids, MI | |
| King Bailey | bailey001kin | 1901 | 5/3-9/24 | Selma Christians | Southern Association | Selma, AL | |
| Bain | bain--001--- | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Charles Baird | 1901 | Kansas State U. | College | , | |||
| James Baird | baird-001jam | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Bock Baker | baker-002cha | 1901 | 4/28 | Cleveland | American League | Cleveland, OH | |
| Bock Baker | baker-002cha | 1901 | 5/13 | Philadelphia | American League | Philadelphia, PA | |
| Bock Baker | baker-002ear | 1901 | 6/14-9/24 | Selma Christians | Southern Association | Selma, AL | |
| Charles Baker | baker-011cha | 1901 | 6/21-9/3 | Albany Senators | New York State League | Albany, NY | |
| Ernie Baker | baker-002ear | 1901 | 6/14-9/24 | Selma Christians | Southern Association | Selma, AL | |
| George Baker | baker-012geo | 1901 | 5/25-6/2 | Ilion Typewriters | New York State League | Ilion, NY | |
| Billy Baldwin | baldwi000bil | 1901 | Holy Cross Col. | College | , | ||
| Billy Baldwin | baldwi000bil | 1901 | 7/2-8/23 | Malone | Northern New York League | Malone, NY | |
| Eugene Ball | ball--001eug | 1901 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | ||
| Jim Ballantyne | ballen001jam | 1901 | 5/2-9/20 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Joseph Bammert | bammer001joh | 1901 | 5/2-8/23 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Alex Bandelin | bandel001ale | 1901-03 | 03 +5/7+ | U. of Wisconsin | College | , | |
| Oscar Bandelin | bandel002osc | 1901 | U. of Wisconsin | College | , | ||
| Oscar Bandelin | bandel002osc | 1901 | 67 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Oscar Bandelin | bandel002osc | 1901 | Grand Rapids | Western League | Grand Rapids, MI | ||
| Oscar Bandelin | bandel002osc | 1901 | Aberdeen | Independent | Aberdeen, SD | ||
| Bill Bannon | bannon001wil | 1901 | 5/4-8/31 | Derby Angels | Connecticut State League | Derby, CT | |
| George Bannon | bannon001geo | 1901 | 5/4-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jimmy Bannon | bannon001jam | 1901 | 4/25-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Tom Bannon | bannon001tho | 1901 | 4/26-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Tom Bannon | bannon001tho | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| Ernie Bantz | bantz-001e-- | 1901 | no g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Dave Barber | barber001dav | 1901 | 5/8-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Frank Barber | barber001fra | 1901 | 4/26-5/31 | Grand Rapids | Western League | Grand Rapids, MI | |
| Frank Barber | barber001fra | 1901 | Big Rapids | Independent | Big Rapids, MI | ||
| Frank Barber | barber001fra | 1901 | 7/28 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| George Barclay | barcla001geo | 1901 | 4/25-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Harry Barndollar | barndo001har | 1901 | Fort Scott | Independent | Fort Scott, KS | ||
| Barnes | 1901 | 4 g. | Salt Lake City | Inter-Mountain League | , | ||
| Fred Barnes | barnes001fre | 1901 | 4/25-5/10 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Fred Barnes | barnes001fre | 1901 | 5/18-6/2 | Columbus Senators | Western Association | Columbus, OH | |
| Jack Barnett | barnet003joh | 1901 | 6/10-7/22 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Jack Barnett | barnet003joh | 1901 | 7/25-9/13 | Brockton B's | New England League | Brockton, MA | |
| Sidney Barnett | barnet003--- | 1901 | 5/29-6/11 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Barnwell | 1901 | Yale Univ. | College | , | |||
| Barr | barr--004--- | 1901 | 13 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| William Barr | 1901 | no g. | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| William Barr | 1901 | no g. | Kansas City Blues | Western League | Kansas City, MO | ||
| Barrett | barret008jam | 1901 | 9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Charley Barrett | barret002cha | 1901 | 5/2-5/11 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Charley Barrett | barret002cha | 1901 | 5/22-6/5 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jimmy Barrett | barret003jam | 1901-05 | Detroit | American League | Detroit, MI | ||
| Ed Barrow | barrow001edw | 1901 | 4/25-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Barry | barry-026--- | 1901 | 7/18-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Jimmy Barry | barry-002jam | 1901 | 5/15-9/2 | Portland | New England League | Portland, ME | |
| John Barry | barry-002joh | 1901 | Boston | National League | Boston, MA | ||
| John Barry | barry-002joh | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Tom Barry | barry-001tho | 1901 | 7/18-8/17 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Harry Barton | barton001har | 1901 | Muncie PA | Independent | Muncie, PA | ||
| Jimmy Bass | bass--001jam | 1901 | 4/17-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Jimmy Bass | bass--001jam | 1901 | 7/9-8/15 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Emil Batch | batch-001emi | 1901 | 6/17-6/25 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Bates | bates-029--- | 1901 | 6/12 | Rome Romans | New York State League | Rome, NY | |
| Frank Bates | bates-002fra | 1901 | 5/3-5/11 | Columbus Senators | Western Association | Columbus, OH | |
| George Bates | bates-001geo | 1901 | 5/2-5/5 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| George Bates | bates-001geo | 1901 | 5 g. | Park City | Inter-Mountain League | Park City, UT | |
| George Bates | bates-001geo | 1901 | 1 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Larry Battam | battam001lar | 1901 | 7/11-8/16 | New London Whalers | Connecticut State League | New London, CT | |
| Bauer | bauer-003--- | 1901 | 5/16-5/17 | Easton | Pennsylvania State League | Easton, PA | |
| Thomas Baxendale | baxend001tho | 1901 | 5/15-6/29 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Harry Bay | bay---001har | 1901 | 4/25-6/30 | Columbus Senators | Western Association | Columbus, OH | |
| Harry Bay | bay---001har | 1901 | Cincinnati | National League | Cincinnati, OH | ||
| Dick Bayless | bayles001har | 1901 | Joplin | Independent | Joplin, MO | ||
| Fred Beach | beach-000fre | 1901 | 7/2 | Malone | Northern New York League | Malone, NY | |
| Beall | beall-011--- | 1901 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | ||
| Bean | bean--008--- | 1901 | 5/13 | Marion Glass Blowers | Western Association | Marion, IN | |
| Joe Bean | bean--001jos | 1901 | 4/25-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Beanfield/Betanfield | 1901 | 6/11 | Bristol Bell Makers | Connecticut State League | Bristol, CT | ||
| Jimmy Beard | beard-001jam | 1901 | 5/13-6/10 | Reading | Pennsylvania State League | Reading, PA | |
| Jimmy Beard | beard-001jam | 1901 | 6/14-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Frank Beaumont | beaumo001fra | 1901 | 5/4-7/6 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Frank Beaumont | beaumo001fra | 1901 | 7/10-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Ginger Beaumont | beaumo001cla | 1901-06 | Pittsburgh | National League | Pittsburgh, PA | ||
| Beck | beck--034--- | 1901 | 6/13 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Erve Beck | beck--001erv | 1901 | 135 g. | Cleveland | American League | Cleveland, OH | |
| Bob Becker | becker001bob | 1901 | 4/29-5/25 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Charles Becker | becker001wil | 1901 | 8/4-8/21 | Shreveport Giants | Southern Association | Shreveport, LA | |
| William Becker | becker001wil | 1901 | 12 g. | Shreveport Giants | Southern Association | Shreveport, LA | |
| Jake Beckley | beckle001jac | 1901 | 140 g. | Cincinnati | National League | Cincinnati, OH | |
| Charles Beecher | beeche001cha | 1901 | 5/2-7/2 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Charles Beecher | beeche001cha | 1901 | 7/4-7/12 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Charles Beecher | beeche001cha | 1901 | 7/14-8/5 | Selma Christians | Southern Association | Selma, AL | |
| Charles Beecher | beeche001cha | 1901 | 9/15 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Dan Beecher | beeche006--- | 1901 | Aberdeen | Independent | Aberdeen, SD | ||
| Dan Beecher | beeche006--- | 1901 | Willmar MN | Independent | Willmar, MN | ||
| John Beedles | beedle002joh | 1901 | 5/3-9/5 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Ira Belden | belden002ira | 1901 | 120 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Wallace Belding | beldin000wal | 1901 | Brown Univ. | College | , | ||
| Wallace Belding | beldin000wal | 1901 | 7/2-8/28 | Malone | Northern New York League | Malone, NY | |
| George Bell | bell--002geo | 1901 | Montgomery AL | Independent | Montgomery, AL | ||
| Frank Belt | belt--001fra | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Harry Bemis | bemis-001har | 1901 | 4/27-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Bender | bender001--- | 1901 | 7/6 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Charles Bender | bender001cha | 1901 | Carlisle HS | High School | , | ||
| John Bender | bender002joh | 1901 | Carlisle School | School | , | ||
| Otto Bender | 1901 | Dayton Old Soldiers | Western Association | Dayton, OH | |||
| Eugene Bene | bene--001eug | 1901 | St.L.-Rawlings | Independent | St. Louis, MO | ||
| Bennett | bennet047--- | 1901 | 6/11-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Bennett | bennet048--- | 1901 | Ogden | Inter-Mountain League | Ogden, UT | ||
| Arthur Bennett | bennet001art | 1901 | 8/14-8/28 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Frank Bennett | bennet003fra | 1901 | 8/15 | Potsdam | Northern New York League | Potsdam, NY | |
| Michael Bennett | bennet001m-- | 1901 | U. Pennsylvania | College | , | ||
| Pug Bennett | bennet001jus | 1901 | , | ||||
| Bensen/son | 1901 | 7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | ||
| Pat Bentley | bentle004joh | 1901 | 7/1 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| William Bentley | bentle001wil | 1901 | McCall SC | Independent | McCall, SC | ||
| Frank Benzinger | benzin000fra | 1901 | 5/6 | New London Whalers | Connecticut State League | New London, CT | |
| Pat Bergan | bergen000pat | 1901 | Holy Cross Col. | College | , | ||
| Bill Bergen | bergen001wil | 1901-03 | Cincinnati | National League | Cincinnati, OH | ||
| A. Berkley | berkle001--- | 1901 | 4 g. | Park City | Inter-Mountain League | Park City, UT | |
| A. Berkley | berkle001--- | 1901 | 2 g. | Salt Lake City | Inter-Mountain League | , | |
| Curt Bernard | bernar001cur | 1901 | New York | National League | New York, NY | ||
| Curt Bernard | bernar001cur | 1901 | 7/5-7/12 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Curt Bernard | bernar001cur | 1901 | 8/8-9/7 | Albany Senators | New York State League | Albany, NY | |
| Sam Bernard | bernar001sam | 1901 | 5/4-8/3 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Sam Bernard | bernar001sam | 1901 | 8/6-9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Bill Bernhard | bernha001wil | 1901 | 32 g. | Philadelphia | American League | Philadelphia, PA | |
| Hodge Berry | berry-000hod | 1901 | 5/11-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Bob Berryhill | berryh001rob | 1901 | , | ||||
| Harry Berte | berte-001har | 1901 | 5/10-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Conrad Best | best--001con | 1901 | 6/29-8/23 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Betts | 1901 | 7/23-7/26 | Umpire | Southern League | , | ||
| Fred Betts | betts-001fre | 1901 | 5/31-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Frank Bevans | bevans001fra | 1901 | preseason | Baltimore | American League | Baltimore, MD | |
| Frank Bevans | bevans001fra | 1901 | 5/25-8/3 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Frank Bevans | bevans001fra | 1901 | 8/9-8/10 | Columbus Senators | Western Association | Columbus, OH | |
| Frank Bevans | bevans001fra | 1901 | 8/13-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Ben Beville | bevill001cla | 1901 | San Bernardino | Southern California | San Bernardino, CA | ||
| Ben Beville | bevill001cla | 1901 | April | 4 g. | Salt Lake City | Inter-Mountain League | , |
| Ben Beville | bevill001cla | 1901 | 5/24-6/2 | Boston | American League | Boston, MA | |
| Ben Beville | bevill001cla | 1901 | 6/20-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| Monte Beville | bevill001hen | 1901 | Kansas City Blues | Western League | Kansas City, MO | ||
| Roy Bevis | bevis-001roy | 1901 | , | ||||
| Christopher Beyers | bayers001bur | 1901 | 5/29-7/28 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Ed Biecher | bieche001ed- | 1901 | 4/26-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Lou Bierbauer | bierba002lou | 1901 | 4/25-5/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Lou Bierbauer | bierba002lou | 1901 | 6/8-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Frank Bigbie | bigbie001fra | 1901 | Rich.-WestEnd | Independent | Richmond, VA | ||
| George Bigbie | bigbie001geo | 1901 | 4/15-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| George Bigbie | bigbie001geo | 1901 | 7/11-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Mike Birmingham | birmin001mic | 1901 | 6/4-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Bishop | bishop019--- | 1901 | 6/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| John Bishop | bishop001joh | 1901 | 4/15-7/4 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Black | black-030--- | 1901 | 7/29 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Cal Black | black-000cal | 1901 | 5/22-5/26 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Cyrus Black | black-001cyr | 1901 | Kearney NE | Independent | Kearney, NE | ||
| Harry Black | black-001har | 1901 | 5/13-6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Robert Black | black-003bob | 1901 | University of Iowa | College | , | ||
| Vern Black | 1901 | no g. | Kearney NE | Kearney, NE | |||
| Charles Blackburn | blackb003cha | 1901 | 5/13-5/16 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| George Blackburn | blackb001geo | 1901 | 5/5-7/26 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| George Blackburn | blackb001geo | 1901 | 7/13 | Selma Christians | Southern Association | Selma, AL | |
| George Blackburn | blackb001geo | 1901 | 8/3-9/16 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| George Blackburn | blackb001geo | 1901 | 9/18 | Selma Christians | Southern Association | Selma, AL | |
| Blake | blake-018--- | 1901 | 7/1-7/2 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Blake | blake-018--- | 1901 | 7/5-7/6 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Harry Blake | blake-001har | 1901 | 4/27 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Harry Blake | blake-001har | 1901 | 5/14 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Harry Blake | blake-001har | 1901 | 5/18 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Harry Blake | blake-001har | 1901 | 6/9-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Harry Blake | blake-001har | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| Harry Blake | blake-001har | 1901 | 9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Bill Blakey | blakey001wil | 1901 | 7/21-7/31 | Toronto Royals | Eastern League | Toronto, ON | |
| Blanchard | blanch017--- | 1901 | 8/21-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Ross Blanchard | blanch000ros | 1901 | 8 g. | Plattsburgh HS | High School | , | |
| Ross Blanchard | blanch000ros | 1901 | 7/2-8/1 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Ross Blanchard | blanch000ros | 1901 | Loon Lake | Independent | Loon Lake, | ||
| Frank Blanford | blanfo000fra | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| Cliff Blankenship | blanke001cli | 1901 | no g. | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Bob Blewett | blewet001rob | 1901 | Georgetown Univ. | College | , | ||
| Bob Blincoe | blinco001rob | 1901 | 4/26 | Marion Glass Blowers | Western Association | Marion, IN | |
| Elmer Bliss | bliss-001elm | 1901 | 6/11-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Elmer Bliss | bliss-001elm | 1901 | 7/23-9/6 | Utica Pentups | New York State League | Utica, NY | |
| Bert Blue | blue--001bir | 1901 | 5/18-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Fred Bluth | bluth-001god | 1901 | 35 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| George Boardman | boardm001geo | 1901 | 5/15-9/2 | Lewiston | New England League | Lewiston, ME | |
| Jack Bodie | bodie-001joh | 1901 | 106 g. | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Patrick Bohannon | bohann001pat | 1901 | Anderson | Independent | Anderson, SC | ||
| Patrick Boland | boland001pat | 1901 | Roch.-Pastimes | Rochester City | Rochester, NY | ||
| Joe Bole | boles-001nic | 1901 | 5/4-6/8 | New London Whalers | Connecticut State League | New London, CT | |
| Pete Bolger | bolger001pet | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Pete Bolger | bolger001pet | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Milton Bolton | bolton002--- | 1901 | 8/10-8/28 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| George Bone | bone--001geo | 1901 | 5/4-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Frank Bonner | bonner001fra | 1901 | 4/25-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Jack Bonner | bonner001joh | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Harry Bonthrom | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | ||
| George Borchers | borche001geo | 1901 | 21 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Billy Bottenus | botten001wil | 1901 | 30 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Jim Bouldin | bouldi001jam | 1901 | St. Joseph Saints | Western League | St. Joseph, MO | ||
| Jim Bouldin | bouldi001jam | 1901 | 5/24-6/29 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jim Bouldin | bouldi001jam | 1901 | Enid | Independent | Enid, OK | ||
| Boush/Bush | 1901 | 7/4-7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | ||
| Boush/Bush | 1901 | 7/10-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | ||
| F.W. Bowden | bowden001f-- | 1901 | 4/15-6/7 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Cy Bowen | bowen-001sut | 1901 | 4/25-9/12 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Frank Bowerman | bowerm001fra | 1901 | 59 g. | New York | National League | New York, NY | |
| Frank Bowman | bowman001fra | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Boyd | 1901 | Marion Glass Blowers | Western Association | Marion, IN | |||
| Smith? Boyd | boyd--012--- | 1901-04 | Univ. of Alabama | College | , | ||
| Smith? Boyd | boyd--012--- | 1901 | Memp-Chickasaw | Independent | Memphis, TN | ||
| Boylan | boylan002--- | 1901 | 5 g. | Salt Lake City | Inter-Mountain League | , | |
| Boylan | boylan002--- | 1901 | Lagoon | Inter-Mountain League | Lagoon, UT | ||
| Eddie Boyle | boyle-002edd | 1901 | 5/15-6/3 | Nashua | New England League | Nashua, NH | |
| Frank Boyle | boyle-001fra | 1901 | 5/7-9/7 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Jack Bracken | bracke001joh | 1901 | Cleveland | American League | Cleveland, OH | ||
| George Bradford | bradfo001geo | 1901 | 4/25-5/12 | Marion Glass Blowers | Western Association | Marion, IN | |
| Bradley | bradle044--- | 1901 | 6/1-6/7 | Augusta | New England League | Augusta, ME | |
| Edward Bradley | bradle001edw | 1901 | 24 g. | Denver Grizzlies | Western League | Denver, CO | |
| Edward Bradley | bradle001edw | 1901 | 22 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| G.W. Bradley | bradle001g-- | 1901 | 5/30 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Jerome Bradley | 1901 | Georgetown | College | , | |||
| John Bradley | bradle005joh | 1901 | 5/27-5/30 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| George Brady | brady-001geo | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Dick Braggins | braggi001ric | 1901 | 8/9-8/20 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Dave Brain | brain-001dav | 1901 | 120 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Dave Brain | brain-001dav | 1901 | Chicago | American League | Chicago, IL | ||
| Willie Brandt | brandt002wil | 1901 | 5/3-8/3 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Willie Brandt | brandt002wil | 1901 | 8/17-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Kitty Bransfield | bransf001wil | 1901-04 | Pittsburgh | National League | Pittsburgh, PA | ||
| Kitty Brashear | brashe001nor | 1901 | 92 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Kitty Brashear | brashe001nor | 1901 | Kansas City Blues | Western League | Kansas City, MO | ||
| Roy Brashear | brashe002roy | 1901 | 92 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Howard Bratton | bratto001how | 1901 | 5/4 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Howard Bratton | bratto001how | 1901 | 5/30-6/13 | Easton | Pennsylvania State League | Easton, PA | |
| Silver Braun | braun-005wil | 1901 | 5/1-6/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Silver Braun | braun-005wil | 1901 | 7/31-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Edwin Breckenridge | brecke002edw | 1901 | Amherst College | College | , | ||
| Bill Breitenstein | breite001wil | 1901 | +8/11+ | Greenville MS | Independent | Greenville, MS | |
| Theodore Breitenstein | breite001the | 1901 | 23 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Theodore Breitenstein | breite001the | 1901 | St. Louis | National League | St. Louis, MO | ||
| O. Brekke | 1901 | +7/8+ | Hillsboro ND | Independent | Hillsboro, ND | ||
| Brennan | brenna040--- | 1901 | 6/1 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Jack Brennan | brenna002jac | 1901 | Umpire | Western League | , | ||
| Jack Brennan | brenna005joh | 1901 | 5/3- | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Jack Brennan | brenna005joh | 1901 | 7/7-7/15 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Mike Breyette | breyet001mic | 1901 | 9 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| George Bridgham | bridgm001geo | 1901 | 5/15-7/4 | Bangor | New England League | Bangor, ME | |
| Jim Brierly | brierl001jam | 1901 | 3 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Briggs | briggs009--- | 1901 | 6/13 | Nashua | New England League | Nashua, NH | |
| Buttons Briggs | briggs001her | 1901 | 5/25-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Albert Briseno | brisen001alb | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| George Bristow | bristo001geo | 1901 | 4/25-5/6 | Columbus Senators | Western Association | Columbus, OH | |
| William Brittsan | britts001w-- | 1901 | Flandreau | Independent | Flandreau, SD | ||
| Billy Brockhoff | brockh001wil | 1901 | +2/20+ | San Bernardino | Independent | San Bernardino, CA | |
| Billy Brockhoff | brockh001wil | 1901 | 3/31+ | 29 g. | Los Angeles Angels | California League | Los Angeles, CA |
| Charlie Brockway | brockw000cha | 1901 | Mitchell SD | Independent | Mitchell, SD | ||
| Charlie Brockway | brockw000cha | 1901 | 5/24-6/21+ | Aberdeen | Independent | Aberdeen, SD | |
| Charlie Brockway | brockw000cha | 1901 | Devil’s Lake ND | Independent | Devil's Lake, ND | ||
| Matt Broderick | broder001mat | 1901 | 5/10-5/19 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Matt Broderick | broder001mat | 1901 | no g. | Chester | Pennsylvania State League | Chester, PA | |
| Matt Broderick | broder001mat | 1901 | 5/30-6/27 | Cortland/Waverly | New York State League | Cortland, NY | |
| Brodie | 1901 | 8/12-9/6 | Umpire | New York State League | , | ||
| Steve Brodie | brodie001wal | 1901 | Baltimore | American League | Baltimore, MD | ||
| Bronson | 1901 | Yale University | College | , | |||
| Bronson | 1901 | Paul Smith’s | Independent | , | |||
| George Brooks | brooks001geo | 1901 | 5/8-6/8 | Meriden Miler | Connecticut State League | Meriden, CT | |
| George Brooks | brooks001geo | 1901 | 6/12-6/28 | New London Whalers | Connecticut State League | New London, CT | |
| Andy Brophy | brophy001and | 1901 | Joplin | Independent | Joplin, MO | ||
| Brown | 1901 | 6/4 | Derby Angels | Connecticut State League | Holyoke, MA | ||
| Brown | brown-077--- | 1901 | 6/17-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Brown | brown-226--- | 1901 | 7/15 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Brown | brown-231--- | 1901 | 1 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Brown | brown-242--- | 1901 | 1 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Brown | brown-230--- | 1901 | 9/22 | Selma Christians | Southern Association | Selma, AL | |
| Babe Brown | brown-004har | 1901 | Louisv.-Reccius | Independent | Louisville, KY | ||
| Bob Brown | brown-027rob | 1901 | 5/1-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Dick Brown | brown-001ric | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Fred Brown | brown-004fre | 1901 | 5/4- | 7 g. | Boston | National League | Boston, MA |
| Fred Brown | brown-004fre | 1901 | 6/8-9/6 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Fred Brown | brown-005fre | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| George Brown | brown-002geo | 1901 | 5/15-9/2 | Bangor | New England League | Bangor, ME | |
| George Brown | brown-022geo | 1901 | Athena | Independent | Athena, OR | ||
| Jacob Brown | brown-008jac | 1901 | 6/25-6/28 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| James Brown | brown-003jam | 1901 | 4/25-6/5 | Montreal Royals | Eastern League | Montreal, QC | |
| James Brown | brown-003jam | 1901 | 6/11-6/13 | Meriden Miler | Connecticut State League | Meriden, CT | |
| James Brown | brown-003jam | 1901 | 6/14-9/6 | New London Whalers | Connecticut State League | New London, CT | |
| Mordecai Brown | brown-001mor | 1901 | 5/5-9/5 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Rollo Brown | brown-003rol | 1901 | Athena | Independent | Athena, OR | ||
| Tom Brown | brown-012tho | 1901 | 19 g. | Denver Grizzlies | Western League | Denver, CO | |
| Tom Brown | brown-012tho | 1901 | 65 g. | MLB Umpire | National League | , | |
| George Browne | browne001geo | 1901 | 4/25-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| George Browne | browne001geo | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Jesse Bruce | bruce-001jes | 1901 | 5/4- | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Jesse Bruce | bruce-001jes | 1901 | -8/7 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Lou Bruce | bruce-001lou | 1901 | 4/25-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Claude Brumley | 1901 | Well.-1st Ward | Independent | Wellington, | |||
| Claude Brumley | 1901 | Sumner CountyHS | High School | , | |||
| Will Bruner | bruner003wil | 1901 | 5/6-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Will Bruner | bruner003wil | 1901 | 7/2 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Ed Bruyette | bruyet001edw | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Ed Bruyette | bruyet001edw | 1901 | 8/6-9/10 | Milwaukee | American League | Milwaukee, WI | |
| Clarence Bryan | bryan-003cla | 1901 | , | ||||
| Frank Bryan | bryan-001fra | 1901 | 6/27 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Frank Bryan | bryan-001fra | 1901 | 8/16-9/14 | Selma Christians | Southern Association | Selma, AL | |
| George Bubser | bubser001geo | 1901 | 13 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| George Bubser | bubser001geo | 1901 | 6/7 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Al Buckenberger | bucken001al- | 1901 | 4/25-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Buckley | buckle023--- | 1901 | 7/1-7/5 | Derby Angels | Connecticut State League | Derby, CT | |
| Dick Buckley | buckle001dic | 1901 | 58 g. | Omaha Omahogs | Western League | Omaha, NE | |
| John Buckley | buckle003joh | 1901 | 6/10-6/27 | Augusta | New England League | Augusta, ME | |
| Patrick Buckley | buckle001pat | 1901 | 5/7-6/15 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Nathan Bucknam | buckna000nat | 1901 | 6/10-6/20 | Lewiston | New England League | Lewiston, ME | |
| Charlie Buelow | buelow001cha | 1901 | New York | National League | New York, NY | ||
| Charlie Buelow | buelow001cha | 1901 | MLB Umpire | National League | , | ||
| Fritz Buelow | buelow001fre | 1901 | 70 g. | Detroit | American League | Detroit, MI | |
| Jack Bufka | bufka-001joh | 1901 | Manistee MI | Independent | Manistee, MI | ||
| Ellerslie Bullard | bullar001--- | 1901 | 8/12- | Oxford AL | Independent | Oxford, AL | |
| John Bunyan | bunyan001joh | 1901 | 5/7-6/29 | New London Whalers | Connecticut State League | New London, CT | |
| John Bunyan | bunyan001joh | 1901 | 7/29-8/14 | Nashua | New England League | Nashua, NH | |
| Burdette | burdet006--- | 1901 | 5/15 | Augusta | New England League | Augusta, ME | |
| Burgess | burges011--- | 1901 | 5/23 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Burke | burke-046--- | 1901 | 5/15-5/31 | Augusta | New England League | Augusta, ME | |
| Eddie Burke | burke-002edd | 1901 | 12 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Jimmy Burke | burke-004jam | 1901 | 64 g. | Milwaukee | American League | Milwaukee, WI | |
| Jimmy Burke | burke-004jam | 1901 | 42 g. | Chicago | American League | Chicago, IL | |
| Jimmy Burke | burke-004jam | 1901 | 14 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Jesse Burkett | burket001jes | 1901 | St. Louis | National League | St. Louis, MO | ||
| Walter Burnham | burnha002wal | 1901 | 5/15-7/1 | Bangor | New England League | Bangor, ME | |
| Walter Burnham | burnha002wal | 1901 | 7/2-7/8 | Brockton B's | New England League | Brockton, MA | |
| Walter Burnham | burnha002wal | 1901 | 7/?-9/3 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Burns | burns-067--- | 1901 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | ||
| Billy Burns | burns-001wil | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Billy Burns | burns-001wil | 1901 | Durham NC | Independent | Durham, NC | ||
| Farmer Burns | burns-001jos | 1901 | 5/11-6/28 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Farmer Burns | burns-010jam | 1901 | 7/6 | St. Louis | National League | St. Louis, MO | |
| Farmer Burns | burns-010jam | 1901 | 7/1-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Henry Burns | burns-002hen | 1901 | 6/7 | Nashua | New England League | Nashua, NH | |
| Jack Burns | burns-007joh | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Jack Burns | burns-007joh | 1901 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | ||
| Tom Burns | burns-001tom | 1901 | 4/29-5/5 | Umpire | Eastern League | , | |
| Tom Burns | burns-001tom | 1901 | 5/19-7/10 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Frank Burrell | burrel001bus | 1901 | 5/15-9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Ad Burris | burris002a-- | 1901 | Joplin | Independent | Joplin, MO | ||
| Frank Burson | burson001fra | 1901 | SoMN | , | |||
| Danny Burt | burt--001dan | 1901 | 5/2-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Ed Burt | burt--001ed- | 1901 | 5/22-6/10 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Ed Burt | burt--001ed- | 1901 | Friar’s Point MS | Independent | Friar’s Point, MS | ||
| Harry Burton | burton007--- | 1901 | +6/30+ | Livingston MT | Independent | Livingston, MT | |
| Henry Busch | busch-001hen | 1901 | 7/9-9/22+ | Selma Christians | Southern Association | Selma, AL | |
| Harry Bush | 1901 | 5/13-6/19 | Reading | Pennsylvania State League | Reading, PA | ||
| Harry Bush | 1901 | 5/13-6/19 | Reading | Pennsylvania State League | Reading, PA | ||
| Alfred Bushey | bushey001alf | 1901 | 5/16 | Augusta | New England League | Augusta, ME | |
| Charley Busse | busse-001car | 1901 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | ||
| Harry Bussey | bussey001har | 1901 | 5/2-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Dick Butler | butler001dic | 1901 | 6/13-6/18 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Frank Butler | butler003fra | 1901 | 5/27-8/13 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Ike Butler | butler001isa | 1901 | 21 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Ike Butler | butler001isa | 1901 | +5/29+ | Denver Grizzlies | Western League | Denver, CO | |
| Ike Butler | butler001isa | 1901 | 8/25-9/23 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Ike Butler | butler001isa | 1901 | 6/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Ike Butler | butler001isa | 1901 | 7/26-7/31 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| John Butler | butler002joh | 1901 | 6/8-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| John Butler | butler002joh | 1901 | 9/28 | Milwaukee | American League | Milwaukee, WI | |
| Edward Butman | butman001edw | 1901 | 8/20-9/2 | Nashua | New England League | Nashua, NH | |
| Bill Byers | byers-002jam | 1901 | 5/6-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Bill Byers | byers-002jam | 1901 | 7/13-8/21 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Bill Byers | byers-002jam | 1901 | 8/24-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| E.M. Bynum | bynum-001e-- | 1901 | 6/14 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| E.M. Bynum | bynum-001e-- | 1901 | 6/14 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Byrnes | byrnes014--- | 1901 | 8/28 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Cain | cain--011--- | 1901 | 5/16 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Fred Cain | cain--001fre | 1901 | 15 g. | Park City | Inter-Mountain League | Park City, UT | |
| Dave Calhoun | calhou001dav | 1901 | 110 g. | Omaha Omahogs | Western League | Omaha, NE | |
| H.C. Calhoun | calhou001h-- | 1901 | Univ. of Chicago | College | , | ||
| H.C. Calhoun | calhou001h-- | 1901 | DeCalb IL | High School | , | ||
| Evelyn Califf | califf001elm | 1901 | Willamette | Portland, OR | |||
| M. Calkins | calkin001m-- | 1901 | +6/4+ | Kalamazoo-MWA | Independent | Kalamazoo, MI | |
| Callaghan | callag002--- | 1901 | 7/2 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Callahan | callah052--- | 1901 | 6/1 | Augusta | New England League | Augusta, ME | |
| Jack Callahan | callah026--- | 1901 | 55 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Jimmy Callahan | callah002jam | 1901 | Chicago | American League | Chicago, IL | ||
| Eugene Calloway | callow000eug | 1901 | Selma Christians | Southern Association | Selma, AL | ||
| Eugene Calloway | callow000eug | 1901 | +7/4+ | Selma AL | Independent | Selma, AL | |
| Don Cameron | camero003don | 1901 | U. Minnesota Law | College | , | ||
| Frank Cameron | camero002fra | 1901 | U. Minneasota | College | , | ||
| Jimmy Cameron | camero001jam | 1901 | 5/15-9/2 | Portland | New England League | Portland, ME | |
| Lew Camp | camp--001lew | 1901 | 5/2-5/10 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Lew Camp | camp--001lew | 1901 | Umpire | Illinois-Indiana-Iowa League | , | ||
| Count Campau | campau001cha | 1901 | 5/8-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| John Campbell | campbe007joh | 1901 | 5/8 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Mike Campbell | campbe004mik | 1901 | 4/26-5/6 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Jim Canavan | canava001jim | 1901 | 5/4-9/2 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Winburn Cannell | cannel000win | 1901-03 | Tufts College | College | , | ||
| Joe Cantillon | cantil001jos | 1901 | MLB Umpire | American League | , | ||
| George Carey | carey-002geo | 1901 | 4/25-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Will Carey | carey-005wil | 1901 | Alleghent College | College | , | ||
| Will Carey | carey-005wil | 1901 | 6/20-7/20 | Columbus Senators | Western Association | Columbus, OH | |
| Bobby Cargo | cargo-001bob | 1901 | 4/25-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Chick Cargo | cargo-001cha | 1901 | 5/8-9/7 | Albany Senators | New York State League | Albany, NY | |
| Fred Carisch | carisc001fre | 1901 | 1 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Carleton | carlet004--- | 1901 | 7/15-7/30 | Haverhill Hustlers | New England League | Haverhill, MA | |
| John Carlin | carlin002joh | 1901 | 6/23--9/2 | Umpire | New York State League | , | |
| Morris Carlson | carlso000mor | 1901 | 5/2-5/4 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Carlton | carlto004--- | 1901 | 7/23-7/27 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| George Carman | carman002--- | 1901 | 6/13 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Bill Carney | carney002wil | 1901 | 4 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Bill Carney | carney002wil | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| George Carney | carney000geo | 1901 | 9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Jack Carney | carney002joh | 1901 | no g. | Worcester Quakers | Eastern League | Worcester, MA | |
| Pat Carney | carney001pat | 1901 | 4/26-4/27 | Worcester Quakers | Eastern League | Worcester, MA | |
| Pat Carney | carney001pat | 1901 | 7/30-9/14 | Worcester Quakers | Eastern League | Worcester, MA | |
| Pat Carney | carney001pat | 1901 | 9/20 - | 13 g. | Boston | National League | Boston, MA |
| Carpenter | carpen007--- | 1901 | 6/14-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Carpenter | carpen013--- | 1901 | 6/11-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Guy Carpenter | carpen001guy | 1901 | Sedalia | Independent | Sedalia, MO | ||
| Carr | 1901 | Harvard Univ | College | , | |||
| Carr | carr--030--- | 1901 | 5/9-5/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Charlie Carr | carr--001cha | 1901 | Lehigh Univ. | College | , | ||
| Charlie Carr | carr--001cha | 1901 | 5/3-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Hart Carr | carr--001ham | 1901 | 7/8-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Lew Carr | carr--001lew | 1901 | 5/20-6/30 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Lew Carr | carr--001lew | 1901 | 7/2-7/13 | Pittsburgh | National League | Pittsburgh, PA | |
| Lew Carr | carr--001lew | 1901 | 8/28 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Lew Carr | carr--001lew | 1901 | 8/30-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Will Carr | carr--006wil | 1901-03 | U. North Carolina | College | , | ||
| Bill Carrick | carric001wil | 1901 | 42 g. | Washington | American League | Washington, DC | |
| Bill Carrigan | carrig001wil | 1901-03 | Lewiston HS | High School | , | ||
| Frank Carriveau | carriv001fra | 1901 | 5/2-7/24 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Frank Carriveau | carriv001fra | 1901 | Webster City | Independent | Webster City, | ||
| Carroll | carrol051--- | 1901 | 7/18 | Potsdam | Northern New York League | Potsdam, NY | |
| Carter | carter044--- | 1901 | 9/5 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Bobby Carter | carter003rob | 1901 | 29 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Bobby Carter | carter003rob | 1901 | 6/29-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Charles Carter | carter002con | 1901 | +5/9+ | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Nick Carter | carter002con | 1901 | +3/20+ | U. of Virginia | College | , | |
| Nick Carter | carter002con | 1901 | 5/1-10/13 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Bob Caruthers | caruth001bob | 1901 | +5/5+ | Umpire | Western League | , | |
| Charlie Case | case--001cha | 1901 | 7/5 - | 3 g. | Cincinnati | National League | Cincinnati, OH |
| Charlie Case | case--001cha | 1901 | 7/22-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| James Casey | casey-002jam | 1901 | 128 g. | Detroit | American League | Detroit, MI | |
| Pearl Casey | casey-001pea | 1901 | 40 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Harry Cassady | cassad001har | 1901-04 | Illinois Wesleyan | College | , | ||
| Howdy Cassiboine | cassib001how | 1901 | +6/21+ | Aberdeen | Independent | Aberdeen, SD | |
| Howdy Cassiboine | cassib001how | 1901 | Mason City IA | Independent | Mason City, IA | ||
| William Cassiboine | cassib001wil | 1901 | +6/21+ | Aberdeen | Independent | Aberdeen, SD | |
| William Cassiboine | cassib001wil | 1901 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | ||
| Cassibone | cassib001--- | 1901 | 8/1 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Benny Cassidy | cassid001ber | 1901 | 5/15-9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Joe Cassidy | cassid001jos | 1901-03 | Villanova Univ. | College | , | ||
| Joe Cassidy | cassid001jos | 1901 | Ches.-Highland | Independent | Chester, PA | ||
| Pete Cassidy | cassid003pet | 1901 | 4/26-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Benjamin Castle | castle001ben | 1901 | Clevland City League | , | |||
| Castleman | 1901 | Yale Univ. | College | , | |||
| Castleman | 1901 | Paul Smith’s | Independent | , | |||
| Charles Castner | castne001--- | 1901 | Hood River OR | Independent | Hood River, OR | ||
| John Castner | 1901 | Hood River OR | Independent | Hood River, OR | |||
| Lou Castro | castro001lou | 1901 | 5/14-5/15 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Lou Castro | castro001lou | 1901 | 5/21-7/16 | New London Whalers | Connecticut State League | New London, CT | |
| Eli Cates | cates-002eli | 1901 | 17 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Eli Cates | cates-002eli | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| Eli Cates | cates-002eli | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Eli Cates | cates-002eli | 1901 | 8/20-9/24 | Shreveport Giants | Southern Association | Shreveport, LA | |
| P. Cavanaugh | cavana001p-- | 1901 | 9/2-9/5 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Charles Cawley | cawley001cha | 1901 | 4/27-5/2 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Ed Cermak | cermak001edw | 1901 | 9/9 | Cleveland | American League | Cleveland, OH | |
| Charles Chapman | chapma001cha | 1901 | 65 g. | Meriden Miler | Connecticut State League | Meriden, CT | |
| Chappel | 1901 | 7/5 | Grand Rapids | Western League | Grand Rapids, MI | ||
| Charlton | 1901 | 5/15-5/16 | Nashua | New England League | Nashua, NH | ||
| Hal Chase | chase-002har | 1901-04 | +2/13+ 04 | Santa Clara U. | College | , | |
| Charlie Chech | chech-001cha | 1901 | Grand Rapids | Western League | Grand Rapids, MI | ||
| Charlie Chech | chech-001cha | 1901 | 34 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Harry Cheek | cheek-001har | 1901 | +9/5+ | Nevada MO | Independent | Nevada, MO | |
| Robert Chellew | chelle001r-- | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Cheney | cheney004--- | 1901 | Clarkson Tech | College | , | ||
| Cheney | cheney004--- | 1901 | 7/2-7/11 | Potsdam | Northern New York League | Potsdam, NY | |
| Cupid Childs | childs001cla | 1901 | Chester | Independent | Chester, PA | ||
| Cupid Childs | childs001cla | 1901 | -7/8 | 63 g. | Chicago | National League | Chicago, IL |
| Cupid Childs | childs001cla | 1901 | 7/12-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Pete Childs | childs001geo | 1901 | St. Louis | National League | St. Louis, MO | ||
| Pete Childs | childs001geo | 1901 | Chicago | National League | Chicago, IL | ||
| Clancy | clancy018--- | 1901 | 7/30-8/13 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Clancy | clancy014--- | 1901 | 6/14-6/20 | Bangor | New England League | Bangor, ME | |
| Bill Clancy | clancy002wil | 1901 | Jamestown NY | Independent | Jamestown, NY | ||
| Charles Clancy | clancy001cha | 1901 | 4/28 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Charles Clancy | clancy001cha | 1901 | 5/8 | Ilion Typewriters | New York State League | Ilion, NY | |
| Charles Clancy | clancy001cha | 1901 | 5/7-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Clark | clark-028--- | 1901 | 5 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Clark | clark-059--- | 1901 | 5/10-6/9 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Bobby Clark | clark-119--- | 1901 | Peoria- | City League | Peoria, IL | ||
| Bobby Clark | clark-119--- | 1901 | 8/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Dad Clark | clark-002alf | 1901 | 40 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Ed Clark | clark-002ed- | 1901 | 7/28-9/25 | Umpire | Southern League | , | |
| Wilkie Clark | clark-001wil | 1901 | 7/8-9/2 | Bangor | New England League | Bangor, ME | |
| William Clark | clark-016wil | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| Win Clark | clark-012wil | 1901 | 4/15-6/18 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Win Clark | clark-012wil | 1901 | 6/24-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Win Clark | clark-012wil | 1901 | 7/9-8/16 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Win Clark | clark-012wil | 1901 | 8/20-9/24 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Clarke | 1901 | 4/15-7/6 | Umpire | Virginia-North Carolina League | , | ||
| Clarke | clark-076--- | 1901 | 6/27-7/3 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Dad Clarke | clarke001dad | 1901 | 5/4 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Dad Clarke | clarke001dad | 1901 | 8 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Fred Clarke | clarke002fre | 1901-15 | Pittsburgh | National League | Pittsburgh, PA | ||
| Harry Clarke | clark-002n-- | 1901 | 5/30-6/1 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| William Clarke | clarke004wil | 1901-04 | Washington | American League | Washington, DC | ||
| Bill Clay | clay--002fre | 1901 | Meriden Miler | Connecticut State League | Meriden, CT | ||
| Waldo Clay | clay--001wal | 1901-03 | Tufts College | College | , | ||
| Harry Clayton | clayto004--- | 1901 | 4/15-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Harry Clayton | clayto001har | 1901 | 7/9-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Mark Clayton | clayto001mar | 1901 | 5/2-9/12 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Bill Clements | clemen004wil | 1901 | 5/4-7/12 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Bill Clements | clemen004wil | 1901 | 7/20 | Derby Angels | Connecticut State League | Derby, CT | |
| Jack Clements | clemen001jac | 1901 | 4/27-8/8 | Worcester Quakers | Eastern League | Worcester, MA | |
| Edward Cline | 1901 | 5/2-8/4 | Umpire | Southern League | , | ||
| Billy Clingman | clingm001wil | 1901 | 137 g. | Washington | American League | Washington, DC | |
| Richard Closson | closso001ric | 1901 | 5/13-8/1 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Bill Clymer | clymer001wil | 1901 | 4/25-9/25 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Joseph Clynes | clynes001jos | 1901 | Oroville/Marysville | Northern California League | Oroville, CA | ||
| Andy Coakley | coakle001and | 1901-03 | Holy Cross Col. | College | , | ||
| Ora Cochran | cochra001ora | 1901 | 5/5-7/20 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| George Cockill | cockil002geo | 1901 | 5/24 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Jim Cockman | cockma001jam | 1901 | 121 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Billy Coffman | coffma001wil | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Homer Coffman | coffma001h-- | 1901 | 4/26-6/1 | 7 g. | Columbus Senators | Western Association | Columbus, OH |
| Dick Cogan | cogan-001dic | 1901 | 56 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Charles Cogswell | cogswe003cha | 1901 | 4/28-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Cole | cole--013--- | 1901 | 7/31 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Harry Colgan | colgan001har | 1901 | MLB Umpire | National League | , | ||
| Cap Collars | collar001cap | 1901 | 6/25-6/26 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Harry Colliflower | collif001har | 1901 | 5/28-6/22 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Harry Colliflower | collif001har | 1901 | 6/24-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Harry Colliflower | collif001har | 1901 | 8/3-8/14 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Collins | collin084--- | 1901 | 8/12 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Jimmy Collins | collin003jam | 1901-07 | Boston | American League | Boston, MA | ||
| Jim Collopy | collop001jam | 1901 | 5/8-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| William Colpoys | colpoy001--- | 1901 | 5/16-9/2 | Nashua | New England League | Nashua, NH | |
| Paul Companion | compan001pau | 1901 | +9/8+ | St.L-Rawlings | Independent | St. Louis, MO | |
| Conboy | 1901 | 5/8-6/5 | Umpire | New York State League | , | ||
| Condon | conlon002--- | 1901 | 5/7-5/15 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Bunk Congalton | congal001wil | 1901 | 104 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Bunk Congalton | congal001wil | 1901 | Marion Glass Blowers | Western Association | Marion, IN | ||
| Charles Conklin | conkli002cha | 1901 | 5/2-5/22 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Miles Conklin | conkli001mil | 1901 | 6/7-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Alphonse Conley | conley002alp | 1901 | 5/2-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Bert Conn | conn--001alb | 1901 | -5/8 | 5 g. | Philadelphia | National League | Philadelphia, PA |
| Bert Conn | conn--001alb | 1901 | 6/6-8/11 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Bert Conn | conn--001alb | 1901 | 8/16-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Frank Connaughton | connau001fra | 1901 | , | ||||
| Jerry Connell | connel001jer | 1901 | 8/6-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Francis Connelly | 1901 | 5/15-9/2 | Lewiston | New England League | Lewiston, ME | ||
| Thomas Connelly | connel002tho | 1901 | 6/18-6/21 | Lowell Tigers | New England League | Lowell, MA | |
| Francis Connolly | connol001fra | 1901 | 5/15-9/2 | Lewiston | New England League | Lewiston, ME | |
| Connor | connor043--- | 1901 | 5/21 | Ilion Typewriters | New York State League | Ilion, NY | |
| Jim Connor | connor001jim | 1901 | 4/26-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Joe Connor | connor002jos | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Joe Connor | connor002jos | 1901 | Cleveland | American League | Cleveland, OH | ||
| John Connor | connor007joh | 1901 | 6/1-6/6 | Portland | New England League | Portland, ME | |
| Roger Connor | connor001rog | 1901 | 5/6-7/17 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Roger Connor | connor001rog | 1901 | 7/18-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Bill Connors | connor001wil | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Bill Connors | connor002wil | 1901 | 5/21-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| Ed Connors | connor002edw | 1901 | 5/4-6/12 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Ed Connors | connor002edw | 1901 | 6/14-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Harlan Conover | conove001har | 1901 | 7/17 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Barney Conroy | conroy009--- | 1901 | 5/22- | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Barney Conroy | conroy009--- | 1901 | -6/18 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Barney Conroy | conroy009--- | 1901 | 6/24-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| D.J. Conroy | conroy001d-- | 1901 | 5/15-8/1 | Augusta | New England League | Augusta, ME | |
| Joe Conroy | conroy000joe | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Pat Conroy | conroy001pat | 1901 | 5/15-8/30 | Portland | New England League | Portland, ME | |
| Wid Conroy | conroy003wil | 1901-11 | Milwaukee | American League | Milwaukee, WI | ||
| Charles Conwell | conwel001cha | 1901 | 28 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Dan Coogan | coogan003dan | 1901 | 5/15-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Dan Coogan | coogan003dan | 1901 | 7/16-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Bert Cook | cook--032--- | 1901 | 5/2-5/4 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Dan Cook | cook--003dan | 1901 | Yale University | College | , | ||
| Dan Cook | cook--003dan | 1901 | Paul Smith’s | Independent | , | ||
| Dan Cook | cook--003dan | 1901 | 8/29 | Malone | Northern New York League | Malone, NY | |
| Frank Cook | cook--002fra | 1901 | 7/1 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Harry Cook | cook--002har | 1901 | 13 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Duff Cooley | cooley001duf | 1901 | 4/26-7/12 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Duff Cooley | cooley001duf | 1901 | 7/27- | 63 g. | Boston | National League | Boston, MA |
| George Coombs | 1901 | Independent | , | ||||
| Cooney | cooney001--- | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Perry Coons | coons-001per | 1901 | 41 g. | Omaha Omahogs | Western League | Omaha, NE | |
| George Cooper | cooper004geo | 1901 | 4/30-5/5 | Toronto Royals | Eastern League | Toronto, ON | |
| George Cooper | cooper004geo | 1901 | 5/20-7/4 | Cortland/Waverly | New York State League | Cortland, NY | |
| George Cooper | cooper004geo | 1901 | 7/12-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Jimmy Cooper | cooper002jam | 1901 | +6/16+ | Canton | Independent | Canton, OH | |
| Tommy Cope | cope--001tho | 1901 | 5/2- | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Tommy Cope | cope--001tho | 1901 | -5/11 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Tommy Cope | cope--001tho | 1901 | 15 g. | Park City | Inter-Mountain League | Park City, UT | |
| Tommy Cope | cope--001tho | 1901 | 13 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Tommy Cope | cope--001tho | 1901 | North Platte NE | Independent | North Platte, NE | ||
| Tommy Copeland | copela001tho | 1901 | 5/2-5/20 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Joe Corbett | corbet001jos | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Ted Corbett | corbet001the | 1901 | 5/2-7/20 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Ted Corbett | corbet001the | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| Teddy Corbett | corbet001edw | 1901 | 6/15-7/7 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Teddy Corbett | corbet001edw | 1901 | 8/15-8/22 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Teddy Corbett | corbet001edw | 1901 | 8/24-9/22 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Jack Corcoran | corcor001jac | 1901 | 6/6-6/8 | Lewiston | New England League | Lewiston, ME | |
| Phil Corcoran | corcor001phi | 1901 | 5/6-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Tommy Corcoran | corcor002tho | 1901-06 | Cincinnati | National League | Cincinnati, OH | ||
| Frank Corridon | corrid001fra | 1901 | 4/28-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Wallace Cosgrove | cosgro000wb- | 1901-04 | Princeton Univ. | College | , | ||
| Costello | costel011--- | 1901 | 5/21-7/31 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Andy Costello | costel001and | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| James Costello | costel001jam | 1901 | 5/4-5/8 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Daniel Costigan | costig001dan | 1901 | 7/26 | Brockton B's | New England League | Brockton, MA | |
| Cote | cote--005--- | 1901 | 5/31 | Augusta | New England League | Augusta, ME | |
| Henry Cote | cote--002hen | 1901 | 65 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Daniel Cotter | cotter002dan | 1901 | 8/17 | Manchester | New England League | Manchester, NH | |
| Pat Cotter | cotter001pat | 1901 | 5/3 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Cotton | cotton006--- | 1901 | 4 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Bill Coughlin | coughl001wil | 1901-04 | Washington | American League | Washington, DC | ||
| John Coughlin | coughl001joh | 1901 | 5/15-9/2 | Portland | New England League | Portland, ME | |
| Cy Coulter | coulte001art | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| Joe Courneen | courne001jos | 1901 | +7/25+ | St. Mary’s | Rochester Catholic | St. Marys, | |
| Joe Courneen | courne001jos | 1901 | 9/7 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Frank Courtemanche | courte000fra | 1901 | 5/31-6/3 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Courtney | courtn016--- | 1901 | 6/29 | New London Whalers | Connecticut State League | New London, CT | |
| Ernie Courtney | courtn001edw | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| George Courtney | courtn001geo | 1901 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | ||
| Philip Courtney | courtn000phi | 1901 | 5/6-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Jack Coveney | covene001joh | 1901 | 5/15-9/2 | Nashua | New England League | Nashua, NH | |
| Chesty Cox | cox---002eug | 1901 | 8 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| John Cox | cox---022--- | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| John Cox | cox---002joh | 1901 | 7/20-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Ernest Crabill | crabil001ern | 1901 | 5/8-9/6 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Ernest Crabill | crabil001ern | 1901 | 9/9-9/14 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Leech Cracraft | cracra000lee | 1901 | +3/21 | U. of Virginia | College | , | |
| Edward Craig | craig-001edw | 1901 | +8/9+ | Springfield | Independent | Springfield, MO | |
| John Cramer | 1901 | Ilion Typewriters | New York State League | Ilion, NY | |||
| John Crane | crane-001joh | 1901 | Hoboken NJ | Independent | Hoboken, NJ | ||
| John Crane | crane-001joh | 1901 | 5/9-8/16 | Ilion Typewriters | New York State League | Ilion, NY | |
| Bill Cranston | cranst001wil | 1901 | Georgetown Univ | College | , | ||
| Bill Cranston | cranst001wil | 1901 | 7/9-8/13 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| James Cravens | craven002jam | 1901 | +9/4+ | Arkansas City | Independent | Arkansas City, KS | |
| James Cravens | craven002jam | 1901 | +9/11+ | Fort Scott | Independent | Fort Scott, KS | |
| Jack Crawford | crawfo001joh | 1901 | New London Whalers | Connecticut State League | New London, CT | ||
| Birdie Cree | cree--001wil | 1901-03 | California PA U. | College | , | ||
| Harold Cribbins | cribbi001har | 1901 | 5/2-9/25 | Selma Christians | Southern Association | Selma, AL | |
| Lou Criger | criger001lou | 1901-08 | Boston | American League | Boston, MA | ||
| Frank Crippen | crippe001fra | 1901 | no g. | Evansville River Rats | Illinois-Indiana-Iowa League | Joliet, IL | |
| Frank Crippen | crippe001fra | 1901 | DeKalb IL | Independent | DeKalb, IL | ||
| Cripps | cripps000--- | 1901 | 9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Pat Crisham | crisha002pat | 1901 | 5/15-7/23 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Pat Crisham | crisha002pat | 1901 | 7/29-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Harry Criss | 1901 | 7/21..8/15 | Umpire | Western Association | , | ||
| Bill Cristall | crista001wil | 1901 | 5/8-8/31 | Albany Senators | New York State League | Albany, NY | |
| Davey Crockett | crocke001dan | 1901 | 4/15-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Davey Crockett | crocke001dan | 1901 | 7/11-8/12 | Detroit | American League | Detroit, MI | |
| Davey Crockett | crocke001dan | 1901 | 8/19-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Harry Croft | croft-001hen | 1901 | 5/8-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Harry Croft | croft-001hen | 1901 | Chicago | National League | Chicago, IL | ||
| Fred Crolius | croliu001fre | 1901 | 4/19- | 49 g. | Boston | National League | Boston, MA |
| George Croll | croll-001geo | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| George Croll | croll-001geo | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| George Croll | croll-001geo | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| George Croll | croll-001geo | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Cronin | cronin020--- | 1901 | 7/19-7/20 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Cronin | cronin019--- | 1901 | 8/14-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Jack Cronin | cronin001joh | 1901 | 31 g. | Detroit | American League | Detroit, MI | |
| Jack Crooks | crooks001jac | 1901 | 40 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Jack Crooks | crooks001jac | 1901 | Minneapolis Millers | Western League | Minneapolis, MN | ||
| George Crosby | crosby002geo | 1901 | 5/4-6/13 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Ad Cross | cross-001adr | 1901 | 5/8-5/24 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Frank Cross | cross-001fra | 1901 | 5/30-9/20 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| James Cross | cross-001jam | 1901 | 5/16-6/22 | Augusta | New England League | Augusta, ME | |
| Lave Cross | cross-001laf | 1901 | 100 g. | Philadelphia | American League | Philadelphia, PA | |
| Lem Cross | cross-001lem | 1901 | 5/30-9/2 | Augusta | New England League | Augusta, ME | |
| Monte Cross | cross-001mon | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Dan Crotty | crotty001dan | 1901 | 6/21-6/22 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Charles Crowe | crowe-001cha | 1901 | 5/2-5/12 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Dick Crozier | crozie001j-- | 1901 | 5/2-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| William Culver | culver002wil | 1901 | 5/2-9/10 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Cummings | cummin025--- | 1901 | Syracuse Univ | College | , | ||
| Cummings | cummin025--- | 1901 | 7/2-7/19 | Potsdam | Northern New York League | Potsdam, NY | |
| Cy Cummings | cummin012--- | 1901 | 7/3-7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Cy Cummings | cummin012--- | 1901 | Maryland AC | Maryland, MD | |||
| Bert Cunningham | cunnin001ell | 1901 | 3 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Mike Cunningham | cunnin001mod | 1901-06 | U. South Carolina | College | , | ||
| George Cuppy | cuppy-001geo | 1901 | Boston | American League | Boston, MA | ||
| Walter Curley | curley001doc | 1901 | 5/3-5/30 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Walter Curley | curley001doc | 1901 | 12 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Curran | curran008--- | 1901 | 6/3 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Curran | curran010--- | 1901 | 5/7-5/12 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jack Curran | curran001joh | 1901 | 6/28-7/5 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Jack Curran | curran001joh | 1901 | 7/11-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Sammy Curran | curran001sim | 1901 | 5/4-8/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Clarence Currie | currie001cla | 1901 | Appleton | Wisconsin State League | Appleton, WI | ||
| Curtis | curtis027--- | 1901 | 7/6 | Selma Christians | Southern Association | Selma, AL | |
| Don Curtis | curtis002don | 1901 | 5/2-5/4 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Don Curtis | curtis002don | 1901 | 7/22-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Joe Curtis | curtis009--- | 1901 | 5/7- | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Joe Curtis | curtis009--- | 1901 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | ||
| Joe Curtis | curtis001jos | 1901 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | ||
| Joe Curtis | curtis001jos | 1901 | -7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Joe Curtis | curtis001jos | 1901 | 8/1 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| John Curtis | curtis002joh | 1901 | 5/15-9/2 | Portland | New England League | Portland, ME | |
| Nevo Curtis | curtis000nev | 1901 | 5/10 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Paul Curtis | curtis001pau | 1901 | 2 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Jack Cusisk | cusick001joh | 1901 | 5/4-5/15 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jack Cusisk | cusick001joh | 1901 | 6/6-6/12 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Jack Cusisk | cusick001joh | 1901 | 6/13-8/10 | New London Whalers | Connecticut State League | New London, CT | |
| Jack Cusisk | cusick001joh | 1901 | 8/20-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| William Dahlquist | dahlqu001wil | 1901 | 5/2-9/7 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Eddie Daley | daley-001edw | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| George Dalrymple | dalrym001geo | 1901 | 5/2-7/11 | Selma Christians | Southern Association | Selma, AL | |
| George Dalrymple | dalrym001geo | 1901 | 7/24 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Daly | daly--004--- | 1901 | 5/17- | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Daly | daly--004--- | 1901 | -6/15 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Tom Daly | daly--002tho | 1901 | 133 g. | Brooklyn | National League | Brooklyn, NY | |
| Bill Dammann | damman001bil | 1901 | 4/27-5/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Bill Dammann | damman001bil | 1901 | 5/20-5/31 | Marion Glass Blowers | Western Association | Marion, IN | |
| Bill Dammann | damman001bil | 1901 | 28 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Sam Damoth | damuth001sam | 1901 | 5/27-6/4 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Daniels | daniel016--- | 1901 | 5/20-5/21 | Easton | Pennsylvania State League | Easton, PA | |
| Daniels | daniel045--- | 1901 | U. Alabama | College | , | ||
| Pete Daniels | daniel003pet | 1901 | 5/3-9/18 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Harry Dannehower | danneh001j-- | 1901 | 4/15-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Harry Dannehower | danneh001j-- | 1901 | 7/11-9/23 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| E. J. Darby | 1901 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |||
| Dart | dart--002--- | 1901 | 5/31 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Dan Daub | daub--002dan | 1901 | 5/3-5/11 | Marion Glass Blowers | Western Association | Marion, IN | |
| Dan Daub | daub--002dan | 1901 | 6/26-7/20 | Marion Glass Blowers | Western Association | Marion, IN | |
| Jack Davey | davey-000jac | 1901 | Ponca NE | Independent | Punce, NE | ||
| Davis | davis-144--- | 1901 | 4/17-4/18 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Davis | davis-142--- | 1901 | 5/25 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Charles Davis | davis-023cha | 1901 | 5/15-6/19 | Augusta | New England League | Augusta, ME | |
| Earl Davis | 1901 | +6/4+ | Ottawa University | College | , | ||
| Elmer Davis | davis-002elm | 1901 | Homestead | Independent | Homestead, PA | ||
| George Davis | davis-015geo | 1901 | New York | National League | New York, NY | ||
| Harry Davis | davis-006har | 1901-11 | Philadelphia | American League | Philadelphia, PA | ||
| Ira Davis | davis-008j-- | 1901 | 116 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Lefty Davis | davis-001alf | 1901 | 25 g. | Brooklyn | National League | Brooklyn, NY | |
| Lefty Davis | davis-001alf | 1901 | 87 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Pop Davis | davis-001pop | 1901 | +9/15+ | Pittsburg KS | Independent | Pittsburg, KS | |
| Walt Davis | davis-003wal | 1901 | 5/31-6/6 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Walt Davis | davis-003wal | 1901 | 8/21 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Lee Dawkins | dawkin001lev | 1901 | , | ||||
| Day | day---010--- | 1901 | 1 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Bill Day | day---001bil | 1901 | 5/15-5/30 | Manchester | New England League | Manchester, NH | |
| Billy Day | day---002bil | 1901 | +8/9+ | Springfield | Independent | Springfield, MO | |
| Charles Day | day---006cha | 1901 | 7/11-7/14 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Eddie Day | day---001edd | 1901 | Read.-Browns | Independent | Reading, PA | ||
| Eddie Day | day---001edd | 1901 | Chic.-Unions | Independent | Chicago, IL | ||
| Deady | deady-000--- | 1901 | 7/26-7/27 | Derby Angels | Connecticut State League | Derby, CT | |
| John Deal | deal--001--- | 1901 | 4/15-4/16 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Snake Deal | deal--002joh | 1901 | 5/13-6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Snake Deal | deal--002joh | 1901 | +8/9+ | Chester | Independent | Chester, PA | |
| Jimmy Dean | dean--001jam | 1901 | 5/8-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Jimmy Dean | dean--001jam | 1901 | 7/12-8/4 | Ilion Typewriters | New York State League | Ilion, NY | |
| Jimmy Dean | dean--001jam | 1901 | 8/10-8/15 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jimmy Dean | dean--001jam | 1901 | 8/19-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Archie DeBaker | debake001art | 1901 | +6/9+ | Muskegon | Independent | Muskegon, MI | |
| Bill Deegan | deegan001wil | 1901 | 8/3, 8/9 | New York | National League | New York, NY | |
| John Deering | deerin001joh | 1901 | 5/4-9/6 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Henry Deisel | deisel001--- | 1901 | 4/15-6/22 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Henry Deisel | deisel001--- | 1901 | 6/24-6/25 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Henry Deisel | deisel001c-- | 1901 | 7/1-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Jacob Deisel | deisel001jac | 1901 | 5/1-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Jim Delahanty | delaha001jam | 1901 | 4/19- | 17 g. | Chicago | National League | Chicago, IL |
| Joe Delahanty | delaha001jos | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Tom Delahanty | delaha001tho | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Tom Delahanty | delaha001tho | 1901 | 6/4-7/7 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Tom Delahanty | delaha001tho | 1901 | 8/3-8/14 | Columbus Senators | Western Association | Columbus, OH | |
| Tom Delahanty | delaha001tho | 1901 | 18 g. | Denver Grizzlies | Western League | Denver, CO | |
| Eddie Delaney | delane004--- | 1901 | 4/16-5/18 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Mickey Delaney | delane002mic | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Gene DeMontreville | demont001eug | 1901 | Boston | National League | Boston, MA | ||
| Lee DeMontreville | demont002leo | 1901 | 4/26-6/4 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Jerry Denny | denny-001jer | 1901 | 5/4-8/3 | Derby Angels | Connecticut State League | Derby, CT | |
| Jerry Denny | denny-001jer | 1901 | 8/5-9/5 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Roger Denzer | denzer001rog | 1901 | New York | National League | New York, NY | ||
| Owen Depew | depew-001o-- | 1901 | Milford IA | Independent | Milford, IA | ||
| Bert DeRoehn | deroeh001alb | 1901 | 5/15- | Lowell Tigers | New England League | Lowell, MA | |
| Bert DeRoehn | deroeh001alb | 1901 | -9/2 | Nashua | New England League | Nashua, NH | |
| Billy Derwin | derwin001wil | 1901 | 6/6-9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| William Devereaux | devere001wil | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Devlin | devlin006--- | 1901 | 6/20-6/22 | Augusta | New England League | Augusta, ME | |
| Art Devlin | devlin001art | 1901 | 5/2-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Art Devlin | devlin001art | 1901 | 7/9-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Charlie Dexter | dexter002cha | 1901 | Chicago | National League | Chicago, IL | ||
| Emerson Dickerson | dicker001eme | 1901 | 7/21 | Grand Rapids | Western League | Grand Rapids, MI | |
| King Dickson | dickso002--- | 1901 | +6/5+ | Haddonfield NJ | Independent | Hackensack, NJ | |
| William Diggins | diggin001wil | 1901 | no g. | American Association | , | ||
| Lee Dillard | dillar001lee | 1901 | 6/27-6/29 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Pat Dillard | dillar002pat | 1901 | 114 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Ed Dillon | dillon001edw | 1901 | no g. | Ilion Typewriters | New York State League | Ilion, NY | |
| Frank Dillon | dillon001fra | 1901 | 74 g. | Detroit | American League | Detroit, MI | |
| Jack Dillon | dillon002joh | 1901 | Syracuse Univ. | College | , | ||
| Jack Dillon | dillon002joh | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| Tom Dillon | dillon001tho | 1901 | 5/21-8/31 | Nashua | New England League | Nashua, NH | |
| Dinley | dinley000--- | 1901 | 6/8 | Nashua | New England League | Nashua, NH | |
| William Disch | disch-001wil | 1901 | +8/12+ | Sioux Falls | Independent | Sioux Falls, SD | |
| William Dithridge | dithri001wil | 1901 | Zanesville OH | Independent | Zanesville, OH | ||
| Eddie Dixon | dixon-002edw | 1901 | 4/25-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Dobbins | dobbin002--- | 1901 | 6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Frank Dobbins | 1901-02 | Sacred Heart Col | College | , | |||
| John Dobbs | dobbs-001joh | 1901 | Cincinnati | National League | Cincinnati, OH | ||
| Lou Dobbs | dobbs-001lou | 1901 | 5/4-6/17 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Fred Doe | doe---002fre | 1901 | 5/15-9/2 | Lewiston | New England League | Lewiston, ME | |
| Harry Doe | doe---000har | 1901 | 5/30 | Augusta | New England League | Augusta, ME | |
| William Doerr | doerr-001wil | 1901 | +8/21+ | KC-Schmeisers | Independent | Kansas City, MO | |
| Jack Doherty | dohert001joh | 1901 | 6/18-6/25 | Meriden Miler | Connecticut State League | Meriden, CT | |
| James Doherty | dohert004jam | 1901 | Jamestown PA | Independent | Jamestown, PA | ||
| Mike Doherty | dohert001mic | 1901 | 7/12-8/3 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Cozy Dolan | dolan-001pat | 1901 | Chicago | National League | Chicago, IL | ||
| Cozy Dolan | dolan-001pat | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| Joe Dolan | dolan-001jos | 1901 | 10 g. | Philadelphia | National League | Philadelphia, PA | |
| Joe Dolan | dolan-001jos | 1901 | -9/28 | 98 g. | Philadelphia | American League | Philadelphia, PA |
| John Dolan | dolan-002joh | 1901 | 5/3-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| George Dommel | dommel001geo | 1901 | 5/11- | Lititz PA | Independent | Lititz, PA | |
| George Dommel | dommel001geo | 1901 | 6/8-6/13 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| William Dommel | dommel001wil | 1901 | 5/11- | Lititz PA | Independent | Lititz, PA | |
| William Dommel | dommel001wil | 1901 | 6/8-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| William Dommel | dommel001wil | 1901 | 8/15-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Donahue | donahu014--- | 1901 | 4/25-5/8 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Donahue | 1901 | Villanova Univ. | College | , | |||
| Donahue | 1901 | 5/21 | Chester | Pennsylvania State League | Chester, PA | ||
| Jiggs Donahue | donahu001joh | 1901 | 17 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Red Donahue | donahu001fra | 1901 | Villanova Col. | College | , | ||
| Red Donahue | donahu001fra | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| She Donahue | donahu002cha | 1901 | 5/17-8/13 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Thomas Donahue | donahu001tho | 1901 | , | ||||
| Thomas Donahue | donahu002tho | 1901 | Butte | Independent | Butte, MT | ||
| Thomas Donahue | donahu001tho | 1901 | Villanova Col. | College | , | ||
| Thomas Donahue | donahu001tho | 1901 | 5/21 | Chester | Pennsylvania State League | Chester, PA | |
| Tim Donahue | donahu001tim | 1901 | Duluth | Duluth, MN | |||
| Tim Donahue | donahu001tim | 1901 | 87 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Donnelly | donnel032--- | 1901 | 5/15 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Donnelly | donnel033--- | 1901 | 7/24 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Frank Donnelly | donnel002fra | 1901 | 5/25-7/2 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Frank Donnelly | donnel002fra | 1901 | 7/5-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Frank Donnelly | donnel002fra | 1901 | 7/13-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| August Donohoo | 1901 | +4/27+ | U. Alabama | College | , | ||
| August Donohoo | 1901 | Sylacauga AL | Independent | Sylacauga, AL | |||
| August Donohoo | 1901 | 8/12- | Oxford AL | Independent | Oxford, AL | ||
| Donovan | donova052--- | 1901 | 5/17 | Nashua | New England League | Nashua, NH | |
| Donovan | donova023--- | 1901 | 6/11-6/14 | Middletown | Pennsylvania State League | Middletown, PA | |
| Bill Donovan | donova004wil | 1901-02 | Brooklyn | National League | Brooklyn, NY | ||
| Fred Donovan | donova002fre | 1901 | 5/10-6/16 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Fred Donovan | donova002fre | 1901 | 6/17-6/20 | Cortland/Waverly | New York State League | Cortland, NY | |
| Fred Donovan | donova002fre | 1901 | 6/26-8/27 | Ilion Typewriters | New York State League | Ilion, NY | |
| Patsy Donovan | donova001pat | 1901 | St. Louis | National League | St. Louis, MO | ||
| Tom Donovan | donova002tho | 1901 | 5/8-6/20 | Ilion Typewriters | New York State League | Ilion, NY | |
| Tom Donovan | donova002tho | 1901 | 6/24-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Red Dooin | dooin-001cha | 1901 | 123 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Charles Dooley | dooley001cha | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Frank Doran | doran-001fra | 1901 | no g. | Denver Grizzlies | Western League | Denver, CO | |
| Tom Doran | doran-002tho | 1901 | Wilmington DE | Independent | Wilmington, DE | ||
| Connie Doremus | doremu001con | 1901 | 7/25 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Johnny Dorman | dorman001joh | 1901 | +8/12+ | Fort Dodge | Independent | Fort Dodge, IA | |
| Peter Dorn | dorn--001pet | 1901 | 6/25 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Dornan | dornan001--- | 1901 | 6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Gus Dorner | dorner001aug | 1901 | 5/5-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Hugh Dorrance | 1901-03 | Co. L, 30thUS, Philippines | , | ||||
| Luke Dorsey | dorsey001luk | 1901 | 5/4-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Michael Dorsey | dorsey001mic | 1901 | 5/15-6/3 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Jack Doscher | dosche001joh | 1901 | Fordham College | College | , | ||
| Jack Doscher | dosche001joh | 1901 | 7/23 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Patsy Dougherty | doughe002pat | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Patsy Dougherty | doughe002pat | 1901 | 9/14-11/2 | Los Angeles Angels | California League | Los Angeles, CA | |
| Klondike Douglass | dougla004wil | 1901 | 51 g. | Philadelphia | National League | Philadelphia, PA | |
| John Doup | doup--001joh | 1901 | +9/21+ | Loui.-Greenville | Independent | Louisville, KY | |
| Tommy Dowd | dowd--001tho | 1901 | Boston | American League | Boston, MA | ||
| Joe Dowie | dowie-001joe | 1901 | 5/2-7/6 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Joe Dowie | dowie-001joe | 1901 | 8/4-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Pete Dowling | dowlin001hen | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Downey | downey001--- | 1901 | 5/15-5/30 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Jim Downey | downey002jam | 1901 | 5/8-8/16 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Jim Downey | downey002jam | 1901 | 8/19-9/11 | Toronto Royals | Eastern League | Toronto, ON | |
| Albert Downing | 1901 | Frankfort KY | Independent | Frankfort, KY | |||
| Charles Doyle | doyle-002cha | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Charles Doyle | doyle-001cha | 1901 | 4/25 | Columbus Senators | Western Association | Columbus, OH | |
| Charles Doyle | doyle-001cha | 1901 | 7/1 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Jack Doyle | doyle-002joh | 1901 | 75 g. | Chicago | National League | Chicago, IL | |
| James Doyle | 1901 | +5/30+ | Atchison | Independent | Atchison, KS | ||
| Slow Joe Doyle | doyle-001jud | 1901 | Clay Center HS | High School | , | ||
| Slow Joe Doyle | doyle-001jud | 1901 | Ellsworth KS | Independent | Ellsworth, KS | ||
| G.R. Drake | drake-000gr- | 1901 | Middlebury Col. | College | , | ||
| G.R. Drake | drake-000gr- | 1901 | 7/2-8/28 | Malone | Northern New York League | Malone, NY | |
| Jake Drauby | drauby001jak | 1901 | Harr.-Susquehanna | Independent | Harrisburg, PA | ||
| Jake Drauby | drauby001jak | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Jake Drauby | drauby001jak | 1901 | 7/4-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Jake Drauby | drauby001jak | 1901 | 8/15-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Jake Drauby | drauby001jak | 1901 | 8/23-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Jack Drennan | drenna001kir | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Bob Dresser | dresse001rob | 1901 | 7/4 | Lynn Live Oaks | New England League | Lynn, MA | |
| Drew | drew--009--- | 1901 | 5/26 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Drew | drew--009--- | 1901 | 7/15-7/16 | Selma Christians | Southern Association | Selma, AL | |
| Bobby Drew | drew--001edw | 1901 | 5/4-8/8 | Derby Angels | Connecticut State League | Derby, CT | |
| Bobby Drew | drew--001edw | 1901 | 8/15-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Lew Drill | drill-001lew | 1901 | Georgetown Col. | College | , | ||
| Vianello Drinkwater | drinkw001via | 1901 | 5/17-8/27 | Manchester | New England League | Manchester, NH | |
| Vianello Drinkwater | drinkw001via | 1901 | Troy Washerwomen/Trojans | New York State League | Troy, NY | ||
| Con Driscoll | drisco001cor | 1901 | 5/28-9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Frank Driscoll | drisco002joh | 1901 | 5/23-6/11 | Bangor | New England League | Bangor, ME | |
| William Driscoll | drisco001wil | 1901 | 5/21-6/28 | Bangor | New England League | Bangor, ME | |
| Ferd Drumm | drumm-001fer | 1901 | Canton | Independent | Canton, OH | ||
| Tom Drummy | drummy001tom | 1901 | Albert Lea | Independent | Albert Lea, MN | ||
| Bob Drury | drury-001rob | 1901 | 4/? | Columbus Senators | Western Association | Columbus, OH | |
| Edward Drury | drury-000edw | 1901 | +5/19+ | Cinc-Navies | Amateur | Cincinnati, OH | |
| Ducey | ducey-000--- | 1901 | 5/17 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Duff | duff--017--- | 1901 | 4/16-4/19 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Pat Duff | duff--001pat | 1901 | Manhattan Col. | College | , | ||
| Pat Duff | duff--001pat | 1901 | 7/2-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Thomas Duff | duff--001tho | 1901 | 5/17-5/22 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Thomas Duff | duff--001tho | 1901 | 5/31-6/26 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Thomas Duff | duff--001tho | 1901 | 7/29-9/6 | Derby Angels | Connecticut State League | Derby, CT | |
| Duffy | duffy-036--- | 1901 | 6/14 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Frank Duffy | 1901 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |||
| Hugh Duffy | duffy-001hug | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| John Duffy | duffy-003joh | 1901 | 6/3-9/7 | Albany Senators | New York State League | Albany, NY | |
| Dan Dugdale | dugdal001dan | 1901 | 5/1-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Daniel Duggan | duggan001dan | 1901 | Holy Cross | College | , | ||
| Gus Dundon | dundon001aug | 1901 | 4/25-6/1 | Grand Rapids | Western League | Grand Rapids, MI | |
| Gus Dundon | dundon001aug | 1901 | 91 g. | Denver Grizzlies | Western League | Denver, CO | |
| Sam Dungan | dungan001sam | 1901 | Washington | American League | Washington, DC | ||
| Wiley Dunham | dunham001hen | 1901 | 4/27-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Davy Dunkle | dunkle001edw | 1901 | 4/27-9/7 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Bill Dunleavy | dunlea001wil | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Bill Dunleavy | dunlea001wil | 1901 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | ||
| Jack Dunleavy | dunlea001joh | 1901 | Amherst College | College | , | ||
| Jack Dunleavy | dunlea001joh | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| Dunn | dunn--003--- | 1901 | Syracuse Univ | College | , | ||
| Dunn | dunn--003--- | 1901 | Ogdensburg | Northern New York League | Ogdensburg, NY | ||
| Dunn | dunn--011--- | 1901 | 5/16-5/22 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Bert Dunn | dunn--005ber | 1901 | 5/2-5/29 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jack Dunn | dunn--005joh | 1901 | 96 g. | Baltimore | American League | Baltimore, MD | |
| Jack Dunn | dunn--005joh | 1901 | 2 g. | Philadelphia | National League | Philadelphia, PA | |
| Frank Dupee | dupee-001fra | 1901 | Westbrook Sem. | School | , | ||
| Frank Dupee | dupee-001fra | 1901 | 6/7- | Augusta | New England League | Augusta, ME | |
| Frank Dupee | dupee-001fra | 1901 | -9/2 | Portland | New England League | Portland, ME | |
| Frank Dupee | dupee-001fra | 1901 | 8/24 | Chicago | American League | Chicago, IL | |
| George Duquette | duquet001geo | 1901 | 7/16 | Canton | Northern New York League | Canton, NY | |
| Durfee | durfee000--- | 1901-04 | Williams College | College | , | ||
| Robert Durnbaugh | durnba001rob | 1901 | 5/6-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Ike Durrett | durret001isa | 1901 | 5/2-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Dick Dwyer | dwyer-001ric | 1901 | , | ||||
| Frank Dwyer | dwyer-001fra | 1901 | MLB Umpire | American League | , | ||
| John Dwyer | dwyer-005joh | 1901 | 7/12-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Billy Dyer | dyer--001wil | 1901 | Holy Cross Col. | College | , | ||
| Billy Dyer | dyer--001wil | 1901 | 7/12-8/29 | Malone | Northern New York League | Malone, NY | |
| Eagan | eagan-018--- | 1901 | 5/15 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Pete Eagan | eagan-001pat | 1901 | 4/25-5/5 | Montreal Royals | Eastern League | Montreal, QC | |
| Pete Eagan | eagan-001pat | 1901 | 5/12-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Truck Eagan | eagan-001cha | 1901 | 5/1- | 4 g. | Pittsburgh | National League | Pittsburgh, PA |
| Truck Eagan | eagan-001cha | 1901 | -5/30 | 5 g. | Cleveland | American League | Cleveland, OH |
| Truck Eagan | eagan-001cha | 1901 | 114 g. | Sacramento Senators | California League | Sacramento, CA | |
| Truck Eagan | eagan-001cha | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Howard Earl | earl--002how | 1901 | 5/8-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Billy Earle | earle-001bil | 1901 | Almendares | Cuban League | Almendares, | ||
| Mal Eason | eason-001mal | 1901 | 27 g. | Chicago | National League | Chicago, IL | |
| Chris Eastman | eastma001chr | 1901 | Flandreau | Independent | Flandreau, SD | ||
| DeWorth Easton | easton001dew | 1901 | 6/19-9/1 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Charles Ebert | ebert-001cha | 1901 | 5/17-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Hi Ebright | ebrigh001hi- | 1901 | 5/2-7/27 | Umpire | Southern League | , | |
| Mills Ebright | ebrigh001a-- | 1901 | +9/4+ | Arkansas City | Independent | Arkansas City, KS | |
| John Eby | eby---001joh | 1901 | 5/20 | Chester | Pennsylvania State League | Chester, PA | |
| John Eby | eby---001joh | 1901 | 8/1 | Altoona Monarchs | Independent | Altoona, PA | |
| James Eddy | eddy--002jam | 1901 | 6/10-9/6 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| George Edgar | edgar-001geo | 1901 | 8/3-8/6 | Portland | New England League | Portland, ME | |
| Dave Edwards | edward007dav | 1901 | +5/26+ | Colfax WA | Independent | Colfax, WA | |
| Dave Edwards | edward007dav | 1901 | 9/11-9/28 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Ned Egan | egan--001edw | 1901 | Litchfield MN | Independent | Litchfield, MN | ||
| Rip Egan | egan--002joh | 1901 | 5/6-6/12 | Columbus Senators | Western Association | Columbus, OH | |
| Rip Egan | egan--002joh | 1901 | 6/22-8/9 | Marion Glass Blowers | Western Association | Marion, IN | |
| Red Ehret | ehret-001phi | 1901 | 5/12-9/1 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Harry Eichler | eichle001har | 1901 | 4/26-5/8 | Columbus Senators | Western Association | Columbus, OH | |
| Claude Elliott | elliot001cla | 1901 | 5/2-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Edwin Elliott | elliot005cha | 1901 | Kingston ON | Independent | Kingston, ON | ||
| Ben Ellis | ellis-003ben | 1901 | 5/8-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| George Ellis | ellis-004geo | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Charles Elsey | elsey-001cha | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Bones Ely | ely---001wil | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Bones Ely | ely---001wil | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| Jack Ely | ely---001joh | 1901 | 5/9-5/25 | Cortland/Waverly | New York State League | Cortland, NY | |
| Jack Ely | ely---001joh | 1901 | 6/13 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Jack Ely | ely---001joh | 1901 | 8/16-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| George Engel | engel-002geo | 1901 | 5/2-10/12 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Darby Enroughty | darby-001e-- | 1901 | 4/29-6/1 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Darby Enroughty | darby-001e-- | 1901 | Rich.-Fulton | Independent | Richmond, VA | ||
| Clyde Enslow | enslow001cly | 1901 | 4/25-5/2 | Columbus Senators | Western Association | Columbus, OH | |
| Enwright | enwrig001--- | 1901 | 5/13 | Reading | Pennsylvania State League | Reading, PA | |
| John Ernst | ernst-001j-- | 1901-04 | Lafayette College | College | , | ||
| Bill Essick | essick002wil | 1901-03 | Knox College | College | , | ||
| Eubanks | eubank003--- | 1901 | +6/16-7/16+ | Pocatello ID | Independent | Pocatello, ID | |
| Frank Eustace | eustac003fra | 1901 | 5/8-7/17 | Utica Pentups | New York State League | Utica, NY | |
| Frank Eustace | eustac003fra | 1901 | 8/21 | Utica Pentups | New York State League | Utica, NY | |
| Evans | evans-007--- | 1901 | 5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Charles Evans | evans-006cha | 1901 | 6/5 | Columbus Senators | Western Association | Columbus, OH | |
| Griff Evans | evans-001gri | 1901 | preseason | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Griff Evans | evans-001gri | 1901 | 5/15-5/30 | Manchester | New England League | Manchester, NH | |
| Leroy Evans | evans-001ler | 1901 | 6 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Leroy Evans | evans-001ler | 1901 | 38 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Roy Evans | evans-001roy | 1901 | 3 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Will Evans | evans-004wil | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Will Evans | evans-004wil | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Bill Everitt | everet001wil | 1901 | 67 g. | Denver Grizzlies | Western League | Denver, CO | |
| Jack Evers | evers-001joh | 1901 | 5/2-9/6 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Bert Everson | everso001a-- | 1901 | 5/20-5/23 | Chester | Pennsylvania State League | Chester, PA | |
| Bert Everson | everso001a-- | 1901 | +8/9+ | Chester | Independent | Chester, PA | |
| Bob Ewing | ewing-001geo | 1901 | 38 g. | Kansas City Blues | Western League | Kansas City, MO | |
| E. Ewing | ewing-001e-- | 1901 | 1 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Elwood Eyler | eyler-001elw | 1901 | 34 g. | Denver Grizzlies | Western League | Denver, CO | |
| James Fagan | fagan-001jam | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| John Fahey | fahey-001joh | 1901 | 5/15-5/23 | Nashua | New England League | Nashua, NH | |
| Tom Farley | farley001tho | 1901 | Appleton | Wisconsin State League | Appleton, WI | ||
| John Farrell | farrel006joh | 1901 | Washington | American League | Washington, DC | ||
| John Farrell | farrel002joh | 1901 | 5/28-9/2 | Lewiston | New England League | Lewiston, ME | |
| Lee Faurot | faurot001lee | 1901 | 1 g. | Denver Grizzlies | Western League | Denver, CO | |
| Joe Fay | fay---001jos | 1901 | 34 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| George Featherstone | 1901 | +6/21+ | Aberdeen | Independent | Aberdeen, SD | ||
| George Featherstone | 1901 | Willmar SD | Independent | Willmar, SD | |||
| Feeney | feeney008--- | 1901 | 7/26 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| William Fehl | fehl--001--- | 1901 | no g. | Memphis Egyptians | Southern Association | Memphis, TN | |
| Harry Felix | felix-001har | 1901 | 4/26-9/20 | Montreal Royals | Eastern League | Montreal, QC | |
| Fender | fender000--- | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| Fender | fender000--- | 1901 | 7/13-7/20 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Roy Fennell | 1901-02 | Pa State Univ. | College | , | |||
| Charlie Ferguson | fergus002cha | 1901 | 45 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Frank Ferguson | fergus001fra | 1901 | 5/21-5/26 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Frank Ferguson | fergus001fra | 1901 | 6/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Frank Ferguson | fergus001fra | 1901 | 8/17-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| J.A. Ferguson | fergus001j-- | 1901 | Gallaudet | College | , | ||
| J.A. Ferguson | fergus001j-- | 1901 | 5/13-5/15 | Reading | Pennsylvania State League | Reading, PA | |
| Win Ferrin | ferrin001win | 1901 | 1 g. | Park City | Inter-Mountain League | Park City, UT | |
| Win Ferrin | ferrin001win | 1901 | 4 g. | Salt Lake City | Inter-Mountain League | , | |
| George Ferris | ferris001geo | 1901 | 6/16-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Hobe Ferris | ferris001alb | 1901-07 | Boston | American League | Boston, MA | ||
| Cy Ferry | ferry-001alf | 1901 | 5/7-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Ed Fertsch | fertsc001edw | 1901 | 5/13-6/12 | Reading | Pennsylvania State League | Reading, PA | |
| H. Claude Fetz | fetz--002cla | 1901 | Neb. City Argos | Independent | Nebraska City, NE | ||
| H. Claude Fetz | fetz--002cla | 1901 | Edgar NE | Independent | Edgar, NE | ||
| Jack Fifield | fifiel001jac | 1901 | 6/2-9/7 | Rome Romans | New York State League | Rome, NY | |
| Frank Figgemeier | figgem002fra | 1901 | 1 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Frank Figgemeier | figgem002fra | 1901 | 5/9-8/21 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Jack Fillman | fillma001joh | 1901 | 4/15-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Jack Fillman | fillma001joh | 1901 | 7/19 | Marion Glass Blowers | Western Association | Marion, IN | |
| Finley | finley007--- | 1901 | 9/12 | Marion Glass Blowers | Western Association | Marion, IN | |
| Billy Finn | finn--001wil | 1901 | 5/4-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Mickey Finn | finn--001duk | 1901 | 5/2-9/25 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Patrick Finnigan | 1901 | Chicago City League | , | ||||
| Fisher | fisher058--- | 1901 | 6/17-6/30 | Ilion Typewriters | New York State League | Ilion, NY | |
| Fisher | fisher013--- | 1901 | 9/18-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| C. Fisher | fisher000c-- | 1901 | Walla Walla WA | Independent | Walla Walla, WA | ||
| Ed Fisher | fisher001edw | 1901 | 5/6-5/11 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Ed Fisher | fisher001edw | 1901 | 5/22-6/1 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Harry Fisher | fisher004har | 1901 | 4/25-6/12 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Harry Fisher | fisher004har | 1901 | 7/2-7/26 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Harry Fisher | fisher006har | 1901 | 6/8-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Ike Fisher | fisher001ike | 1901 | 5/2-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Tom Fisher | fisher002tho | 1901 | 5/2-5/23 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Tom Fisher | fisher002tho | 1901 | 7/17-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Tom Fisher | fisher001tho | 1901 | +5/12+ | Loui.-Garrys | Louisville City League | Louisville, KY | |
| Tom Fisher | fisher001tho | 1901 | 6/23-6/28 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Tom Fisher | fisher001tho | 1901 | Loui.-Schmidt | Louisville City League | Louisville, KY | ||
| Fiske | 1901 | Trinity College | College | , | |||
| S.S. Fiske | fiske-001s-- | 1901 | Tufts College | College | , | ||
| S.S. Fiske | fiske-001s-- | 1901 | 7/15-8/30 | Nashua | New England League | Nashua, NH | |
| Fitzgerald | fitzge028--- | 1901 | 8/13-8/16 | Toronto Royals | Eastern League | Toronto, ON | |
| Billy Fitzmaurice | fitzma001wil | 1901 | 5/6-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Frank Fitzpatrick | fitzpa001fra | 1901 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | ||
| Tom Fitzpatrick | fitzpa001tho | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Jack Flaherty | flaher003joh | 1901 | 5/15-6/13 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Pat Flaherty | flaher005pat | 1901 | 7/29-8/26 | Umpire | Southern League | , | |
| Pat Flaherty | flaher005pat | 1901 | 9/2-9/21 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Patsy Flaherty | flaher004pat | 1901 | 4/26-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Patsy Flaherty | flaher004pat | 1901 | 7/26-8/13 | Brockton B's | New England League | Brockton, MA | |
| Patsy Flaherty | flaher004pat | 1901 | 8/17-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| John Flanagan | 1901 | +7/28+ | Canton | Independent | Canton, OH | ||
| Steamer Flanagan | flanag003jam | 1901 | Wyoming Seminary | School | , | ||
| Steamer Flanagan | flanag003jam | 1901 | 6/17-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Jack Flannery | flanne001joh | 1901 | 106 g. | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Fleming | flemin024--- | 1901 | 9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Chuck Fleming | flemin002cha | 1901 | 8/1-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| P.J. Fleming | flemin001p-- | 1901 | Tufts College | College | , | ||
| P.J. Fleming | flemin001p-- | 1901 | 6/10-6/14 | Norwich Witches | Connecticut State League | Norwich, CT | |
| P.J. Fleming | flemin001p-- | 1901 | 7/10-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Tom Fleming | flemin003tho | 1901 | 4/26-6/15 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Tom Fleming | flemin003tho | 1901 | 76 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Flood | flood-014--- | 1901 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | ||
| John Flood | flood-001joh | 1901 | +6/16+ | Canton | Independent | Canton, OH | |
| Tim Flood | flood-001tim | 1901 | 117 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Jack Flournoy | flourn001joh | 1901 | 4/26-8/14 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| George Flynn | flynn-003geo | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| George Flynn | flynn-003geo | 1901 | 7/13-9/5 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| George Flynn | flynn-003geo | 1901 | 9/6-9/21 | Columbus Senators | Western Association | Columbus, OH | |
| Fogarty | fogart006--- | 1901 | 8/8-8/9 | Ilion Typewriters | New York State League | Ilion, NY | |
| Charles Foley | foley-001cha | 1901 | Maine State League | , | |||
| Patrick Foley | foley-002pat | 1901 | 5/6-6/22 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Ford | ford--039--- | 1901 | 1 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| H.F. Ford | ford--001h-- | 1901 | 8/22-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Frank Foreman | forema001fra | 1901 | Boston | American League | Boston, MA | ||
| Frank Foreman | forema001fra | 1901 | Baltimore | American League | Baltimore, MD | ||
| John Foreman | forema001bro | 1901 | 4/16-6/4 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| James Forman | forman000jim | 1901 | U. of Alabama | College | , | ||
| Kid Forney | forney001j-- | 1901 | Oxford KS | Independent | Oxford, KS | ||
| Kid Forney | forney001j-- | 1901 | wichita-Freemont | Independent | Wichita, KS | ||
| Clarence Foster | foster001cla | 1901 | 103 g. | Washington | American League | Washington, DC | |
| Clarence Foster | foster001cla | 1901 | - 9/27 | 12 g. | Chicago | American League | Chicago, IL |
| Hi Foster | foster000hi- | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Reddy Foster | foster026--- | 1901 | 4/15-6/22 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Reddy Foster | foster001red | 1901 | 6/24-7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Reddy Foster | foster001red | 1901 | 7/9-7/27 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Jack Fountain | founta000jac | 1901 | 8 g. | Plattsburgh HS | High School | , | |
| Jack Fountain | founta000jac | 1901 | 7/13-7/23 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Jack Fountain | founta000jac | 1901 | Loon Lake | Independent | Loon Lake, | ||
| Frank Foutz | foutz-001fra | 1901 | 4/26-5/27 | Baltimore | American League | Baltimore, MD | |
| Frank Foutz | foutz-001fra | 1901 | 6/5-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Fox | fox---019--- | 1901 | 6/10-6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Bill Fox | fox---006wil | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Charley Fox | fox---003cha | 1901 | 5/2-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Charley Fox | fox---003cha | 1901 | 5/5-5/15 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| George Fox | fox---001pad | 1901 | 4/25 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| George Fox | fox---001pad | 1901 | 5/7-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| George Fox | fox---001pad | 1901 | 6/4-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Jim Fox | fox---001jam | 1901 | 5/2-6/2 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Jim Fox | fox---001jam | 1901 | Anderson | Independent | Anderson, SC | ||
| John Fox | fox---001joh | 1901 | Anderson | Independent | Anderson, SC | ||
| Leon Foy | foy---002leo | 1901 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | ||
| Leon Foy | foy---002leo | 1901 | Rochester IN | Independent | Rochester, IN | ||
| France | france004--- | 1901 | 6/7-6/8 | Ilion Typewriters | New York State League | Ilion, NY | |
| France | france005--- | 1901 | 8/23-8/25 | Marion Glass Blowers | Western Association | Marion, IN | |
| Ike Francis | franci002isa | 1901 | 4/25-5/7 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Ike Francis | franci002isa | 1901 | 5/13-7/2 | Ilion Typewriters | New York State League | Ilion, NY | |
| Ike Francis | franci002isa | 1901 | 7/8-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Ike Francis | franci002isa | 1901 | 7/25-8/14 | Brockton B's | New England League | Brockton, MA | |
| Ike Francis | franci002isa | 1901 | 8/26-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Tom Francis | franci001tho | 1901 | 5/4-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Buck Francks | franck001cha | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Charlie Frank | frank-003cha | 1901 | 5/5-8/1 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Fred Frank | frank-003fre | 1901 | 5/2-9/22+ | Selma Christians | Southern Association | Selma, AL | |
| Harry Franks | franks007--- | 1901 | 8/15-9/12+ | Coffeyville KS | Independent | Coffeyville, KS | |
| Orville Frantz | frantz002--- | 1901 | Harvard Univ | College | , | ||
| Walter Frantz | frantz001wal | 1901 | Enid Browns | Independent | Enid, OK | ||
| Ralph Frary | frary-001ral | 1901 | 5/1-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Chick Fraser | fraser001cha | 1901 | 3 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Chick Fraser | fraser001cha | 1901 | 43 g. | Philadelphia | American League | Philadelphia, PA | |
| Chick? Fraser | 1901 | +8/18+ | Lakota | North Dakota League | Lakota, ND | ||
| Dotty Freck | freck-001cha | 1901 | Jamestown NY | Independent | Jamestown, NY | ||
| Lute Freeland | freela001lut | 1901 | 4 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Lute Freeland | freela001lut | 1901 | 6/1-9/24 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Freeman | freema032--- | 1901 | 3 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Buck Freeman | freema003joh | 1901 | 129 g. | Boston | American League | Boston, MA | |
| Chuck Freeman | freema000chu | 1901 | 7/11-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Harry Freeman | freema004har | 1901 | 8/27-9/4 | Umpire | Southern League | , | |
| Tony Fremer | fremer001ant | 1901 | Appleton | Wisconsin State League | Appleton, WI | ||
| Tony Fremer | fremer001ant | 1901 | 7/11-8/28 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Fricken | 1901 | 8/28-9/7 | Umpire | New York State League | , | ||
| Fricken | fricke001--- | 1901 | 9/4 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Hon Fricken | fricke001ant | 1901 | 4/25-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Friel | friel-001--- | 1901 | 5/13-5/18 | Reading | Pennsylvania State League | Reading, PA | |
| Bill Friel | friel-001wil | 1901 | 5/3- | 106 g. | Milwaukee | American League | Milwaukee, WI |
| Danny Friend | friend002dan | 1901 | 4/26-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Charlie Frisbee | frisbe001cha | 1901 | no g. | Rochester Bronchos | Eastern League | Rochester, NY | |
| Emil Frisk | frisk-001joh | 1901 | 23 g. | Denver Grizzlies | Western League | Denver, CO | |
| Edward Frome | from--002edw | 1901 | 5/10-8/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Jack Frost | frost-001joh | 1901 | 5/2-5/15 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Jack Frost | frost-001joh | 1901 | 7/9-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Jesse Frysinger | frysin001jes | 1901 | 5/13-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Jesse Frysinger | frysin001jes | 1901 | Chester | Independent | Chester, PA | ||
| Pearly Fugler | fugler000pea | 1901 | +8/11+ | Vicksburg MS | Independent | Vicksburg, MS | |
| Charles Fuller | fuller003cha | 1901 | 4/26-9/7 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Windsor Fulmer | fulmer001win | 1901 | +7/11+ | Schuyler NE | Independent | Schuyler, NE | |
| John Gabriel | gabrie002joh | 1901 | +5/1+ | Emporia State U. | College | , | |
| John Gabriel | gabrie002joh | 1901 | Emporia KS | Independent | Emporia, KS | ||
| James Gaffney | gaffne001jam | 1901 | 5/15-7/12 | Portland | New England League | Portland, ME | |
| John Gaffney | gaffne002joh | 1901 | 7/4-9/2 | Umpire | Eastern League | , | |
| Gallagher | gallag035--- | 1901 | 9/13 | Worcester Quakers | Eastern League | Worcester, MA | |
| Andy Gallagher | gallag001and | 1901 | 5/7-9/6 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Marty Gallagher | gallag001mar | 1901 | 5/7-6/22 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Marty Gallagher | gallag001mar | 1901 | 6/16-6/25? | Albany Senators | New York State League | Albany, NY | |
| Marty Gallagher | gallag001mar | 1901 | 7/4-9/3 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Shorty Gallagher | gallag005cha | 1901 | 6/25-7/20 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Shorty Gallagher | gallag005cha | 1901 | 8/9-8/10 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Shorty Gallagher | gallag005cha | 1901 | 8/13 | Cleveland | American League | Cleveland, OH | |
| Gamble | gamble002--- | 1901 | 8 g. | Park City | Inter-Mountain League | Park City, UT | |
| Gamble | gamble002--- | 1901 | 6 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Neil Gamble | gamble001mac | 1901 | Memp.-Chickasaw | Independent | Memphis, TN | ||
| Robert Gamble | gamble002rob | 1901 | Memp.-Chickasaw | Independent | Memphis, TN | ||
| Robert Gamble | gamble002rob | 1901 | U. of Tennessee | College | , | ||
| Daff Gammons | gammon001joh | 1901 | 4/23-6/26 | Boston | National League | Boston, MA | |
| Bob Ganley | ganley002rob | 1901 | 4/25-5/30 | Marion Glass Blowers | Western Association | Marion, IN | |
| Bob Ganley | ganley002rob | 1901 | 6/2-7/11 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Bob Ganley | ganley002rob | 1901 | 7/19-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Bill Gannon | gannon002wil | 1901 | 5/8-7/9 | Cortland/Waverly | New York State League | Cortland, NY | |
| Bill Gannon | gannon002wil | 1901 | 7/13-8/3 | Ilion Typewriters | New York State League | Ilion, NY | |
| Bill Gannon | gannon002wil | 1901 | 8/8-9/6 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Bill Gannon | gannon002wil | 1901 | 9/9-10/6 | Chicago | National League | Chicago, IL | |
| Billy Ganss | gans--001bil | 1901 | 4/27-5/8 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Billy Ganss | gans--001bil | 1901 | +8/16+ | Kent OH | Independent | Kent, OH | |
| Charlie Ganzel | ganzel002cha | 1901 | MLB Umpire | National League | , | ||
| Joe Ganzel | ganzel001jos | 1901 | ? | Northern League | , | ||
| John Ganzel | ganzel001joh | 1901 | New York | National League | New York, NY | ||
| Jim Gardner | gardne001jam | 1901 | 5/9-5/14 | Columbus Senators | Western Association | Columbus, OH | |
| Jim Gardner | gardne001jam | 1901 | 6/26-9/6 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Will Garnett | garnet000wil | 1901 | 6/1 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Willie Garoni | garoni001wil | 1901 | 8/6-8/22 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Willie Garoni | garoni001wil | 1901 | Rutherford Field | Independent | Rutherford Field, | ||
| Garrett | garret013--- | 1901 | 5/13-5/29 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Jim Garry | garry-001jim | 1901 | 6/17-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Leo Garvin | garvin001lee | 1901 | 28 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Ned Garvin | garvin001vir | 1901 | 37 g. | Milwaukee | American League | Milwaukee, WI | |
| Gassney | gassne000--- | 1901 | 7/11 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Gaston | gaston007--- | 1901 | 1 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Welcome Gaston | gaston002wel | 1901 | 63 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Walter Gatch | gatch-001geo | 1901 | 7/28-9/21 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Joseph Gates | gates-002geo | 1901 | 4/15-5/1 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Joseph Gates | gates-002geo | 1901 | 6/14-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Joseph Gates | gates-002geo | 1901 | 7/9-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Frank Gatins | gatins001fra | 1901 | -7/15 | 50 g. | Brooklyn | National League | Brooklyn, NY |
| Frank Gatins | gatins001fra | 1901 | 7/19-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Gayle | gayle-000--- | 1901 | 5/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Dale Gear | gear--001dal | 1901 | 4/23-9/21 | Washington | American League | Washington, DC | |
| Hank Gehring | gehrin001hen | 1901 | 5 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Phil Geier | geier-001phi | 1901 | 50 g. | Philadelphia | American League | Philadelphia, PA | |
| Phil Geier | geier-001phi | 1901 | 11 g. | Milwaukee | American League | Milwaukee, WI | |
| Frank Genins | genins001c-- | 1901 | 95 g. | Omaha Omahogs | Western League | Omaha, NE | |
| George | george012--- | 1901 | 7/1 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Lou Gertenrich | gerten001lou | 1901 | 2 g. | Milwaukee | American League | Milwaukee, WI | |
| Charlie Gettig | gettig002cha | 1901 | , | ||||
| Charlie Gettig | gettig002cha | 1901 | 6/12-6/18 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Charlie Gettig | gettig002cha | 1901 | 6/26-7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Charlie Gettig | gettig002cha | 1901 | 7/11-7/18 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Charlie Gettig | gettig002cha | 1901 | +8/16+ | New Bern NC | Independent | New Bern, NC | |
| Tom Gettinger | gettin001tom | 1901 | 5/2-6/17 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Tom Gettinger | gettin001tom | 1901 | 7/24-9/11 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Jake Gettman | gettma001jac | 1901 | 4/25-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Joe Geyer | geyer-002joe | 1901 | 9 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Ollie Gfroerer | gfroer001oli | 1901 | 5/2-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Gibbons | gibbon006--- | 1901 | 8/21-8/22 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Charles Gibbons | 1901 | Georgetown Col. | College | , | |||
| James Giblin | giblin001jam | 1901 | 5/4-5/16 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Norwood Gibson | gibson001nor | 1901 | 28 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Ralph Gibson | gibson001ral | 1901 | 5/3-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Frank Gierhardt | 1901 | Park City | Inter-Mountain League | Park City, UT | |||
| Frank Gierhart | gierha001fra | 1901 | 14 g. | Park City | Inter-Mountain League | Park City, UT | |
| Gifferny | giffer000--- | 1901 | 5/31 | Nashua | New England League | Nashua, NH | |
| Al Gifford | giffor001al- | 1901 | 5/6-7/14 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Al Gifford | giffor001al- | 1901 | 7/22-9/4 | Selma Christians | Southern Association | Selma, AL | |
| Billy Gilbert | gilber002wil | 1901 | 127 g. | Milwaukee | American League | Milwaukee, WI | |
| Jack Gilbert | gilber005joh | 1901 | 5/2-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Rufus Gilbert | gilber001ruf | 1901 | Kalamazoo HS | High School | , | ||
| Jack Gildea | gildea001joh | 1901 | 5/20-6/18 | Augusta | New England League | Augusta, ME | |
| Peter Gildea | gildea001pet | 1901 | 5/16-7/19 | Lowell Tigers | New England League | Lowell, MA | |
| Bob Gilks | gilks-001rob | 1901 | 4/25-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Gill | gill--013--- | 1901 | 5/15-5/21 | Easton | Pennsylvania State League | Easton, PA | |
| Warren Gill | gill--001war | 1901 | Enid | Independent | Enid, OK | ||
| Thomas Gillen | gillen001tho | 1901 | 5/4-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Frank Gilliam | gillia001fra | 1901 | 1 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Eddie Gilligan | gillig001edw | 1901 | 4/15- | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Eddie Gilligan | gillig001edw | 1901 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | ||
| Eddie Gilligan | gillig001edw | 1901 | -7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Eddie Gilligan | gillig001edw | 1901 | 7/9-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Thomas Gilligan | gillig001tho | 1901 | 4/15-6/1 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Thomas Gilligan | gillig001tho | 1901 | 6/5-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| George Gillpatrick | gillpa001geo | 1901 | Sedalia | Independent | Sedalia, MO | ||
| J. Gilmartin | gilmar001j-- | 1901 | 9/4-9/6 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Gilmore (Corrigan) | 1901 | Devil’s Lake ND | North Dakota Amateur League | Devil's Lake, ND | |||
| Frank Gimlin | gimlin001joh | 1901 | 40 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Billy Ging | ging--001bil | 1901 | 7/13-9/5 | Cortland/Waverly | New York State League | Waverly, NY | |
| Alexander Girard | girard000ale | 1901 | Hoquiam WA | Hoquiam, WA | |||
| Edward Girard | girard001edw | 1901 | 5/8-5/21 | Rome Romans | New York State League | Rome, NY | |
| Edward Girard | girard001edw | 1901 | 7/24-9/2 | Nashua | New England League | Nashua, NH | |
| Arthur Glade | glade-000art | 1901 | +6/30+ | Grand Island NE | Independent | Grand Island, NE | |
| Fred Glade | glade-001fre | 1901 | 38 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Phil Glade | glade-001phi | 1901 | 7 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Phil Glade | glade-001phi | 1901 | +6/30+ | Grand Island NE | Independent | Grand Island, NE | |
| Glass | 1901 | Appleton | Wisconsin State League | Appleton, WI | |||
| Jack Glasscock | glassc001jac | 1901 | 6 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Glavin | glavin000--- | 1901 | 8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Ralph Glaze | glaze-001dan | 1901 | 1 g. | Denver Grizzlies | Western League | Denver, CO | |
| Ralph Glaze | glaze-001dan | 1901 | Cheyenne Indian | Semi-professional | Cheyenne, WY | ||
| Harry Gleason | gleaso001har | 1901 | 5/8-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Harry Gleason | gleaso001har | 1901 | 9/27 | Boston | American League | Boston, MA | |
| Kid Gleason | gleaso002wil | 1901 | 135 g. | Detroit | American League | Detroit, MI | |
| William Gleason | gleaso001wil | 1901 | Muskegon | Independent | Muskegon, MI | ||
| William Gleason | gleaso001wil | 1901 | 5/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| William Gleason | gleaso004wil | 1901 | 7/1-7/15 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Dick Glendon | glendo001ric | 1901 | 3 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Dick Glendon | glendo001ric | 1901 | Aberdeen | Independent | Aberdeen, SD | ||
| Dick Glendon | glendo001ric | 1901 | W. Superior WI | Independent | , | ||
| Martin Glendon | glendo001mar | 1901 | 5/1-7/7 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Martin Glendon | glendo001mar | 1901 | 7/11-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Ed Glenn | glenn-001edw | 1901 | 5/2-5/25 | Selma Christians | Southern Association | Selma, AL | |
| Ed Gnadinger | gnadin001edw | 1901 | 4/26-5/31 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Ed Gnadinger | gnadin001edw | 1901 | 6/8-6/9 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Ed Gnadinger | gnadin001edw | 1901 | 6/19 | Marion Glass Blowers | Western Association | Marion, IN | |
| Ed Gnadinger | gnadin001edw | 1901 | 6/30 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Ed Gnadinger | gnadin001edw | 1901 | 8/16-9/22+ | Selma Christians | Southern Association | Selma, AL | |
| John Gochnaur | gochna001joh | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| John Gochnaur | gochna001joh | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| Eugene Gokey | gokey-001eug | 1901 | 5/30-9/2 | Nashua | New England League | Nashua, NH | |
| Frank Golden | golden001fra | 1901 | 5/25-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| John Golden | golden002joh | 1901 | Georgetown U. | College | , | ||
| Tom Golden | golden001tho | 1901 | 5/13-6/19 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Johnny Gonding | gondin001joh | 1901 | 94 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Johnny Gonding | gondin001joh | 1901 | 5/14-9/18 | Omaha Omahogs | Western League | Omaha, NE | |
| Bill Goodenough | gooden001bil | 1901 | 5/8-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Art Goodwin | goodwi001art | 1901 | 5/12-5/23 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Eddie Gordon | gordon002a-- | 1901 | 21 g. | Omaha Omahogs | Western League | Omaha, NE | |
| L. Gordon | gordon001l-- | 1901 | 8/18-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Daniel Gorman | gorman001dan | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Roger Gorton | gorton001rog | 1901 | 5/25 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| George Grady | grady-001geo | 1901 | 6/3-8/30 | Lowell Tigers | New England League | Lowell, MA | |
| Mike Grady | grady-002mic | 1901 | 94 g. | Washington | American League | Washington, DC | |
| William Graffius | graffi001wil | 1901 | 4/25-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Vincent Gragion | gragio000vin | 1901 | +8/24+ | St. Mary’s | Rochester Catholic | St. Marys, | |
| Charlie Graham | graham002cha | 1901 | 99 g. | San Francisco Wasps | California League | San Francisco, CA | |
| George Graham | graham003geo | 1901 | U. North Carolina | College | , | ||
| Moonlight Graham | graham001arc | 1901 | 7/4 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Oscar Graham | graham001osc | 1901 | 20 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Oscar Graham | graham001osc | 1901 | 7/31-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Grant | grant-023--- | 1901 | 6/10-6/11 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Angus Grant | grant-001ang | 1901 | 6/3-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| George Grant | grant-003geo | 1901 | 8/19-9/2 | Portland | New England League | Portland, ME | |
| Pat Graves | graves000pat | 1901 | U. North Carolina | College | , | ||
| Billy Gray | gray--004bil | 1901 | Brown University | College | , | ||
| Billy Gray | gray--004bil | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| Billy Gray | gray--004bil | 1901 | +7/13-8/27+ | Canton | Northern New York League | Canton, NY | |
| Chummy Gray | gray--001chu | 1901 | 4/27-6/23 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Chummy Gray | gray--001chu | 1901 | 6/27-7/10 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Danny Green | green-001edw | 1901 | 133 g. | Chicago | National League | Chicago, IL | |
| Earl Green | green-001ear | 1901 | Enid | Independent | Enid, OK | ||
| William Green | 1901-02 | Princeton Univ. | College | , | |||
| A.V. Greene | greene001a-- | 1901 | +8/12+ | Fort Dodge | Independent | Fort Dodge, IA | |
| Paddy Greene | greene001pat | 1901 | Villanova Col. | College | , | ||
| Paddy Greene | greene001pat | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Doc Greenwald | greenw001doc | 1901 | 5/9-5/13 | Salem | Southern League | Salem, | |
| Doc Greenwald | greenw001doc | 1901 | +8/14-8/28+ | Ashland | Independent | Ashland, OH | |
| Jack Greenwell | greenw003joh | 1901 | 3 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| William Greer | greer-001wil | 1901 | 5/4-5/17 | New London Whalers | Connecticut State League | New London, CT | |
| James Gregory | gregor001jam | 1901 | Grand Forks | Independent | Grand Forks, ND | ||
| Ed Gremminger | gremmi001lor | 1901 | 4/25-9/8 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Reddy Grey | grey--001rom | 1901 | 4/25-5/5 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Reddy Grey | grey--001rom | 1901 | 5/8-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Jack Griffin | griffi003j-- | 1901 | Holy Cross | Holy Cross, | |||
| Jack Griffin | griffi003j-- | 1901 | 5/3-9/14 | Worcester Quakers | Eastern League | Worcester, MA | |
| Sandy Griffin | griffi001san | 1901 | 5/8-9/7 | Umpire | New York State League | , | |
| Steve Griffin | griffi001ste | 1901 | 4/30-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Griffith | griffi013--- | 1901 | 6/8-6/11 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Jack Grim | grim--001joh | 1901 | 29 g. | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| John Grim | grim--002joh | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| John Grim | grim--002joh | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| James Grimes | grimes003jam | 1901 | +7/18+ | Red Lodge MT | Independent | Red Lodge, MT | |
| James Gronninger | gronin001jam | 1901 | 8/6-8/12 | Marion Glass Blowers | Western Association | Marion, IN | |
| George Grosart | grossa001geo | 1901 | 6/17+ | Homestead | Independent | Homestead, PA | |
| George Grosart | grossa001geo | 1901 | 6/7-6/15 | Boston | National League | Boston, MA | |
| George Grosart | grossa001geo | 1901 | 6/26-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Harry Gross | gross-002har | 1901 | StL.-Rawlings | Independent | St. Louis, MO | ||
| Harry Gross | gross-002har | 1901 | 9/4- | Springfield | Independent | Springfield, MO | |
| James Grove | grove-003jam | 1901 | 6/1-6/10 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Grube | grube-001--- | 1901 | 5/17-6/15 | Reading | Pennsylvania State League | Reading, PA | |
| Gruenwild | 1901 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |||
| Raymond Guernsey | 1901 | Yale Univ. | College | , | |||
| Raymond Guernsey | 1901 | Paul Smith’s | Independent | , | |||
| Whitey Guese | guese-001the | 1901 | 4/25-7/10 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Frank Guest | guest-001fra | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| Thomas Guiheen | guihee001tho | 1901 | 5/17-7/6 | Bangor | New England League | Bangor, ME | |
| W. Guiheen | guihee001w-- | 1901 | Lewiston | New England League | Lewiston, ME | ||
| Olin Gunnett | 1901 | Frostburg MD | Independent | Frostburg, MD | |||
| Frank Gunther | gunthe001fra | 1901 | 5/8-5/10 | Ilion Typewriters | New York State League | Ilion, NY | |
| Bob Gwaltney | gwaltn001--- | 1901 | 4/22- | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Bob Gwaltney | gwaltn001--- | 1901 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | ||
| Bob Gwaltney | gwaltn001--- | 1901 | -6/28 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Bob Gwaltney | gwaltn001--- | 1901 | 7/18 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Bert Haas | haas--003ber | 1901 | +9/11+ | Fort Scott | Independent | Fort Scott, KS | |
| Jim Hackett | hacket001jam | 1901 | 6/7-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Haese | haese-000--- | 1901 | 8/8 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Frank Hafford | haffor001fra | 1901 | 5/22-6/29 | Derby Angels | Connecticut State League | Derby, CT | |
| Frank Hafford | haffor001fra | 1901 | 7/2-8/6 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Charlie Hagan | hogan-016--- | 1901 | 6/5-7/6 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Raymond Hagan | hagan-001ray | 1901 | Atlantic City | Independent | Atlantic City, NJ | ||
| Alf Hagerman | hagerm001alf | 1901 | no g. | Birmingham Barons | Southern Association | Birmingham, AL | |
| Peter Hagerty | hagert001pet | 1901 | 5/2-5/10 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Peter Hagerty | hagert001pet | 1901 | 5/17-5/26 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Peter Hagerty | hagert001pet | 1901 | 6/4-6/17 | Selma Christians | Southern Association | Selma, AL | |
| Haggerty | 1901 | 5/30 | Augusta | New England League | Augusta, ME | ||
| Hahn | hahn--009--- | 1901 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | ||
| Noodles Hahn | hahn--001fra | 1901 | Cincinnati | National League | Cincinnati, OH | ||
| Elmer Haines | haines001elm | 1901 | 8/27-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Louis Halbritter | halbri001lou | 1901 | 7/26-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Hale | hale--001--- | 1901 | 1 g. | Park City | Inter-Mountain League | Park City, UT | |
| Hale | hale--001--- | 1901 | 7 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Ed Hale | hale--001ed- | 1901 | 5/4 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Ed Hale | hale--001ed- | 1901 | 8/5-8/7 | Selma Christians | Southern Association | Selma, AL | |
| Ed Hale | hale--001ed- | 1901 | 11 g. | Vicksburg MS | Independent | Vicksburg, MS | |
| Ed Hale | hale--001ed- | 1901 | Monroe LA | Independent | Monroe, LA | ||
| Jess Hale | hale--001jes | 1901 | 4/25-6/9 | Columbus Senators | Western Association | Columbus, OH | |
| Jess Hale | hale--001jes | 1901 | 6/15-6/18 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Jess Hale | hale--001jes | 1901 | 6/21-7/24 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jess Hale | hale--001jes | 1901 | 7/8-7/9 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Jess Hale | hale--001jes | 1901 | 8/6-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Ray Hale | hale--001ray | 1901 | 40 g. | Los Angeles Angels | California League | Los Angeles, CA | |
| Emmett Haley | haley-001emm | 1901 | 5/15-6/8 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Emmett Haley | haley-001emm | 1901 | 6/26-9/4 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Hall | hall--069--- | 1901 | 6/5 | Ilion Typewriters | New York State League | Ilion, NY | |
| Hall | hall--066--- | 1901 | 8/1 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Hall | hall--068--- | 1901 | 9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Bob Hall | hall--004rob | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| Oscar Hall | hall--001osc | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| Oscar Hall | hall--001osc | 1901 | 7/13-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Russ Hall | hall--011rob | 1901 | 115 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Hallerman | haller003--- | 1901 | 6/22 | New London Whalers | Connecticut State League | New London, CT | |
| Jocko Halligan | hallig001joc | 1901 | 4/25-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Bill Hallman | hallma002wil | 1901 | 5 g. | Cleveland | American League | Cleveland, OH | |
| Bill Hallman | hallma002wil | 1901 | 123 g. | Philadelphia | National League | Philadelphia, PA | |
| Bill Hallman | hallma001wil | 1901 | 4/25- | 139 g. | Milwaukee | American League | Milwaukee, WI |
| Halloway | hollow002--- | 1901 | 5/25-6/8 | Nashua | New England League | Nashua, NH | |
| Wilmer Hallowell | hallow001wil | 1901 | 6/8-6/12 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Charlie Hamburg | hambur003cha | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| Argus Hamilton | hamilt001arg | 1901 | 6 g. | Park City | Inter-Mountain League | Park City, UT | |
| Argus Hamilton | hamilt001arg | 1901 | 4 g. | Salt Lake City | Inter-Mountain League | , | |
| Billy Hamilton | hamilt006wil | 1901 | -9/16 | 102 g. | Boston | National League | Boston, MA |
| Eddie Hammond | hammon001edw | 1901 | Dillon MT | Independent | Dillon, MT | ||
| Jack Handiboe | handib001j-- | 1901 | 5/2-9/15 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Jim Haney | haney-003jam | 1901 | 5/2-5/25 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Chip Hanford | hanfor002cha | 1901 | 5/2-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Jack Hankey | hankey001joh | 1901 | 4/25-4/27 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Jack Hankey | hankey001joh | 1901 | Appleton | Wisconsin State League | Appleton, WI | ||
| Arthur Hanks | hanks-001art | 1901 | +4/19-8/3+ | Chambersburg PA | Independent | Chambersburg, PA | |
| George Hanley | hanley002geo | 1901 | 5/8-8/3 | Ilion Typewriters | New York State League | Ilion, NY | |
| George Hanley | hanley002geo | 1901 | 8/4-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Mark Hanley | hanley001mar | 1901 | 12 g. | Park City | Inter-Mountain League | Park City, UT | |
| Mark Hanley | hanley001mar | 1901 | 20 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Bill Hanlon | hanlon001wil | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Tim Hanna | hanna-001tim | 1901 | 5/31-7/4 | Rome Romans | New York State League | Rome, NY | |
| Tim Hanna | hanna-001tim | 1901 | 7/19-7/21 | Cortland/Waverly | New York State League | Waverly, NY | |
| Tim Hanna | hanna-001tim | 1901 | 7/23-8/29 | Canton | Northern New York League | Canton, NY | |
| Tim Hanna | hanna-001tim | 1901 | 9/4-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Larry Hannafin | hannaf001law | 1901 | 6/27-7/15 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Larry Hannafin | hannaf001law | 1901 | 8/6-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Pat Hannivan | hanniv001pat | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Pat Hannivan | hanniv001pat | 1901 | 6/4-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Billy Hanrahan | hanrah001wil | 1901 | +6/24+ | Grand Forks | Independent | Grand Forks, ND | |
| Harry Hanrahan | hanrah000har | 1901 | +6/24+ | Grand Forks | Independent | Grand Forks, ND | |
| Eddie Hanscomb | hansco001edm | 1901 | 5/15-9/2 | Nashua | New England League | Nashua, NH | |
| Frank Hansford | hansfo001fra | 1901 | 26 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| George Hanson | hanson001geo | 1901 | 53 g. | Oakland Commuters | California League | Oakland, CA | |
| Scott Hardesty | hardes002sco | 1901 | 60 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Scott Hardesty | hardes002sco | 1901 | Denver Grizzlies | Western League | Denver, CO | ||
| Scott Hardesty | hardes002sco | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Scott Hardesty | hardes002sco | 1901 | 7/23-8/17 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Scott Hardesty | hardes002sco | 1901 | 8/19-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Harry Hardy | hardy-001har | 1901 | Altoona | Independent | Altoona, PA | ||
| Billy Hargrove | hargro002wil | 1901 | 5/16-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Red Harkins | harkin001red | 1901 | 9/10-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Dick Harley | harley001ric | 1901 | 133 g. | Cincinnati | National League | Cincinnati, OH | |
| Con Harlow | harlow001con | 1901 | 5/2-5/17 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Con Harlow | harlow001con | 1901 | 5/22-8/7+ | Selma Christians | Southern Association | Selma, AL | |
| Ira Harmon | harmon001ira | 1901 | 63 g. | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Nick Harnish | harnis001nic | 1901 | 4/25-6/9 | Marion Glass Blowers | Western Association | Marion, IN | |
| Nick Harnish | harnis001nic | 1901 | 9/6-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Jack Harper | harper003cha | 1901 | 39 g. | St. Louis | National League | St. Louis, MO | |
| Harrigan | harrig006--- | 1901 | 5/17 | Portland | New England League | Portland, ME | |
| Joe Harrington | harrin001joe | 1901 | 5/4-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Joseph Harris | harris001f-- | 1901 | 4/27-5/15 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Joseph Harris | harris001f-- | 1901 | 5/19-5/27 | Columbus Senators | Western Association | Columbus, OH | |
| Joseph Harris | harris001f-- | 1901 | 1 g. | Denver Grizzlies | Western League | Denver, CO | |
| William Harris | harris010wil | 1901 | 5/8-6/30 | Ilion Typewriters | New York State League | Ilion, NY | |
| William Harris | harris010wil | 1901 | 8/2-8/29 | Canton | Northern New York League | Canton, NY | |
| Eldred Harrison | harris000eld | 1901 | +6/30+ | Sedalia | Independent | Sedalia, MO | |
| Eldred Harrison | harris000eld | 1901 | U. of Missouri | College | , | ||
| Leo Harrison | harris005leo | 1901 | 9/27 | Washington | American League | Washington, DC | |
| Hart | hart--020--- | 1901 | 5/4 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Bill Hart | hart--004wil | 1901 | Cleveland | American League | Cleveland, OH | ||
| Jimmy Hart | hart--003jam | 1901 | 4/25-6/1 | Grand Rapids | Western League | Grand Rapids, MI | |
| Jimmy Hart | hart--003jam | 1901 | 6/6-8/24 | Baltimore | American League | Baltimore, MD | |
| Jimmy Hart | hart--003jam | 1901 | 9/2-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Chick Hartley | hartle001wal | 1901 | Roxborough PA | Independent | Roxborough, PA | ||
| Chick Hartley | hartle001wal | 1901 | Atlantic City | Independent | Atlantic City, NJ | ||
| Hartman | hartma020--- | 1901 | NYC-Murray Hill | Independent | New York, NY | ||
| Hartman | hartma020--- | 1901 | 6/11-6/21 | Ilion Typewriters | New York State League | Ilion, NY | |
| Fred Hartman | hartma003fre | 1901 | 120 g. | Chicago | American League | Chicago, IL | |
| Henry Hartman | hartma014--- | 1901 | 5/1-5/9 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| William Hartman | hartma001wil | 1901 | 124 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Josh Hartwell | hartwe001--- | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Roy Hartzell | hartze001roy | 1901 | +5/3-5/13+ | Golden CO | Independent | Golden, CO | |
| Roy Hartzell | hartze001roy | 1901 | +9/8+ | Cheyenne WY | Independent | Cheyenne, WY | |
| Leon Harvey | harvey000leo | 1901 | Coffeyville KS | Independent | Coffeyville, KS | ||
| Zaza Harvey | harvey001erv | 1901 | Cleveland | American League | Cleveland, OH | ||
| Hasechett | hasech000--- | 1901 | 7/23 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Haskell | haskel001--- | 1901 | 5/4-5/8 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Haskell | haskel001--- | 1901 | 8/21-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Jack Haskell | haskel001jac | 1901 | 4/26-9/28 | MLB Umpire | American League | , | |
| Charles Hassett | hasset002--- | 1901 | 5/15-6/1 | Augusta | New England League | Augusta, ME | |
| Charles Hassett | hasset002--- | 1901 | 10 g. | Augusta | New England League | Augusta, ME | |
| Charlie Hastings | hastin002cha | 1901 | 4/28-8/18 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Charlie Hastings | hastin002cha | 1901 | 8/23-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Harry Hatch | hatch-002har | 1901 | St. Albans HS | High School | , | ||
| Harry Hatch | hatch-002har | 1901 | 8/17 | Malone | Northern New York League | Malone, NY | |
| Harry Hatch | hatch-002har | 1901 | Loon Lake | Independent | Loon Lake, | ||
| Harry Hauptman | hauptm001har | 1901 | 4/16-5/9 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Bill Hausen | hausen001hom | 1901 | 38 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Andrew Havey | havey-000and | 1901 | 6/21-6/26 | Lewiston | New England League | Lewiston, ME | |
| R.L. Hawkins | hawkin000rl- | 1901 | -9/ | Sedalia | Independent | Sedalia, MO | |
| Hawkins/Harkins | 1901 | 6/26-9/6 | Umpire | New York State League | , | ||
| Marvin Hawley | hawley001sco | 1901 | 11 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Marvin Hawley | hawley001sco | 1901 | 24 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Pink Hawley | hawley001eme | 1901 | - 8/20 | 30 g. | Milwaukee | American League | Milwaukee, WI |
| Jack Hayden | hayden001joh | 1901 | 4/26- | 51 g. | Philadelphia | American League | Philadelphia, PA |
| Jack Hayden | hayden001joh | 1901 | 7/13-7/19 | Toronto Royals | Eastern League | Toronto, ON | |
| Gerald Hayes | hayes-001ger | 1901 | Fargo | Independent | Fargo, ND | ||
| John Hayes | hayes-010joh | 1901 | 5/14-5/15 | Reading | Pennsylvania State League | Reading, PA | |
| Thomas Hayes | hayes-002tom | 1901 | Lestershire NE | Independent | Lestershire, NE | ||
| Haythorne | 1901 | +8/18+ | Fargo | North Dakota League | Fargo, ND | ||
| William Hayward | haywar001wil | 1901 | 5/15- | Bangor | New England League | Bangor, ME | |
| William Hayward | haywar001wil | 1901 | -7/8 | Lewiston | New England League | Lewiston, ME | |
| William Hayward | haywar001wil | 1901 | 7/14-9/10 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Ben Hayworth | haywor001ben | 1901 | 7/13-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Doc Hazelton | hazlet001wil | 1901 | 8/7 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Hughie Hearne | hearne001hug | 1901 | 5/8-8/26 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Hughie Hearne | hearne001hug | 1901 | 8/29- | 2 g. | Brooklyn | National League | Brooklyn, NY |
| Harry Hebble | hobble001h-- | 1901 | 68 ab | Rich.-Entre Nous | Independent | Richmond, VA | |
| Al Hecht | hecht-001al- | 1901 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | ||
| Ed Heck | heck--004--- | 1901 | Fairbury NE | Independent | Fairbury, NE | ||
| George Heckert | hecker001geo | 1901 | York-Penn's’ Park | Independent | York, PA | ||
| Jimmie Heffernan | heffer001jam | 1901 | Williams College | College | , | ||
| Jimmie Heffernan | heffer001jam | 1901 | 7/11-8/29 | Canton | Northern New York League | Canton, NY | |
| Edward Heffner | heffne001edw | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Charles Heiberger | heiber001cha | 1901 | 4/18-5/20 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Emmet Heidrick | heidri001joh | 1901 | 118 g. | St. Louis | National League | St. Louis, MO | |
| John Heileman | heilem001joh | 1901 | 7/8-7/21 | Cincinnati | National League | Cincinnati, OH | |
| Edward Heimerl | heimer000edw | 1901 | 5/3, 5/26 | Worcester Quakers | Eastern League | Worcester, MA | |
| Edward Heimerl | heimer000edw | 1901 | Whitinsville MA | Independent | Whitinsville, MA | ||
| Edward Heimerl | heimer000edw | 1901 | 6/5 | New London Whalers | Connecticut State League | New London, CT | |
| Bill Heine | heine-001wil | 1901 | Cortland/Waverly | New York State League | Waverly, NY | ||
| Bill Heine | heine-001wil | 1901 | 7/12-8/13 | Cortland/Waverly | New York State League | Waverly, NY | |
| Bill Heine | heine-001wil | 1901 | 8/16-9/9 | Brockton B's | New England League | Brockton, MA | |
| Pete Heinz | heinz-001pet | 1901 | Collyer KS | Independent | Collyer, KS | ||
| Pete Heinz | heinz-001pet | 1901 | Gove KS | Independent | Gove KS, | ||
| John Heisman | 1901 | Clemson Univ. | College | , | |||
| Crese Heismann | heisma001chr | 1901 | 9/25 - | 3 g. | Cincinnati | National League | Cincinnati, OH |
| George Hemming | hemmin002geo | 1901 | 4/26-8/31 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Charlie Hemphill | hemphi001cha | 1901 | 136 g. | Boston | American League | Boston, MA | |
| Frank Hemphill | hemphi001fra | 1901 | 107 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Frank Hemphill | hemphi001fra | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Frank Hempleman | hemple001fra | 1901 | 4/15-6/22 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Frank Hempleman | hemple001fra | 1901 | 6/24-7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Frank Hempleman | hemple001fra | 1901 | 7/9-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Harvey Henderson | hender005har | 1901 | Syracuse Univ. | College | , | ||
| Harvey Henderson | hender005har | 1901 | 7/2-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Weldon Henley | henley001wel | 1901 | 7/27-7/31 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Weldon Henley | henley001wel | 1901 | 9/10-9/13 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Weldon Henley | henley001wel | 1901 | 9/18-9/23 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Joe Hennegar | henneg001jos | 1901 | 4/15-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Joe Hennegar | henneg001jos | 1901 | 7/9-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Hennessey | hennes011--- | 1901 | 8/3-8/4 | Selma Christians | Southern Association | Selma, AL | |
| Eddie Henry | henry-001edw | 1901 | 4/26-9/9 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| George Henry | henry-002geo | 1901 | 5/4-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Jack Henry | henry-001joh | 1901 | 4 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Herbert | herber005--- | 1901 | 8/11 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Frank Herbert | herber001fra | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Frank Herbert | herber001fra | 1901 | 6/4-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Jack Herbert | herber003joh | 1901 | 5/2-8/14 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Art Herman | herman001art | 1901 | 34 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Joseph Herndon | herndo001jos | 1901 | 5/8 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Tom Hernon | hernon001tom | 1901 | 57 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Heron | heron-000--- | 1901 | 5/23-6/1 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Herring | herrin010--- | 1901 | 8/3-8/6 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Herring | herrin010--- | 1901 | 8/10-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Curley Herron | 1901 | Enid Browns | Independent | Enid, OK | |||
| John Herwig | herwig001joh | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| Herz | herz--000--- | 1901 | 8/1-8/3 | Selma Christians | Southern Association | Selma, AL | |
| Hess | hess--008--- | 1901 | 1 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Hess | hess--005--- | 1901 | 6/14-6/17 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Harry Hess | hess--001har | 1901 | Bucknell College | College | , | ||
| Harry Hess | hess--001har | 1901 | local | Independent | , | ||
| Tom Hess | hess--001tho | 1901 | 5/8-9/7 | Albany Senators | New York State League | Albany, NY | |
| Hesse | hesse-008--- | 1901 | 6/11 | Middletown | Pennsylvania State League | Middletown, PA | |
| Larry Hesterfer | hester001law | 1901 | 9/5 | New York | National League | New York, NY | |
| Mike Heydon | heydon001mic | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Charles Heyman | heyman001c-- | 1901 | +10/6+ | Chic.-Nelson Morris | Independent | Chicago, IL | |
| Hickey | hickey024--- | 1901 | 24 g. | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Hickey | hickey023--- | 1901 | 2 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Ben Hickey | hickey001w-- | 1901 | 13 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Eddie Hickey | hickey001edw | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Eddie Hickey | hickey001edw | 1901 | 7/16-8/15 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Jack Hickey | hickey002joh | 1901 | , | ||||
| Jack Hickey | hickey002joh | 1901 | 7/14-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Mike Hickey | hickey001mik | 1901 | 5/4-6/18 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Mike Hickey | hickey001mik | 1901 | 6/24-8/27 | Lowell Tigers | New England League | Lowell, MA | |
| Walter Hickey | hickey001wal | 1901 | 43 g. | Denver Grizzlies | Western League | Denver, CO | |
| Charlie Hickman | hickma004cha | 1901 | 112 g. | New York | National League | New York, NY | |
| Eddie Hickman | hickma000edd | 1901 | 5/4 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Rowe Hicks | hicks-001row | 1901 | Kinston | East Carolina League | Kinston, NC | ||
| Higgins | higgin007--- | 1901 | 8/30 | Lewiston | New England League | Lewiston, ME | |
| Ed High | high--001edw | 1901 | 4/15-6/13 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Ed High | high--001edw | 1901 | 7/4-8/5 | Detroit | American League | Detroit, MI | |
| Charles Hilbert | hilber000--- | 1901 | 6/11 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| George Hildebrand | hildeb002geo | 1901 | 160 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Hill | hill--037--- | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Belden Hill | hill--003bel | 1901 | 5/2-8/16 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Eddie Hill | hill--002edw | 1901 | 5/8-6/16 | Albany Senators | New York State League | Albany, NY | |
| Eddie Hill | hill--002edw | 1901 | 6/27-7/9 | Cortland/Waverly | New York State League | Cortland, NY | |
| Eddie Hill | hill--002edw | 1901 | 7/25-8/13 | Cortland/Waverly | New York State League | Waverly, NY | |
| Hugh Hill | hill--001hug | 1901 | 5/2-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Hunter Hill | hill--001hun | 1901 | 5/2-7/8 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Oscar Hill | hill--037--- | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Arthur Hillebrand | hilleb001art | 1901 | Naval Academy | College | , | ||
| Arthur Hillebrand | hilleb001art | 1901 | Aberdeen | Independent | Aberdeen, SD | ||
| Arthur Hillebrand | hilleb001art | 1901 | Flandreau | Independent | Flandreau, SD | ||
| Homer Hillebrand | hilleb001hom | 1901 | Flandreau | Independent | Flandreau, SD | ||
| Ed Hilley | hilley001edw | 1901 | 5/8-5/16 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Ed Hilley | hilley001edw | 1901 | 7/9-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Jack Himes | himes-001joh | 1901 | Marston IA | Independent | Marston, IA | ||
| Himmelstein | himmel000--- | 1901 | 7/30 | Manchester | New England League | Manchester, NH | |
| Charles Hinchcliffe | 1901 | Well.-1st Ward | Independent | Wellington, | |||
| Hinchman | hinchm004--- | 1901 | 5/4-5/14 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Hunkey Hines | hines-001hun | 1901 | 115 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| John Hinton | hinton001joh | 1901 | Homestead | Independent | Homestead, PA | ||
| John Hinton | hinton001joh | 1901 | 6/3-6/7 | Boston | National League | Boston, MA | |
| John Hinton | hinton001joh | 1901 | 7/24-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Hirsch | 1901 | Yale Univ. | College | , | |||
| Hobbs | hobbs-008--- | 1901 | 7/26 | Nashua | New England League | Nashua, NH | |
| Hobgood | hobgoo000--- | 1901 | +4/4-4/30+ | Wake Forest | College | , | |
| Carson Hodge | hodge-001car | 1901 | 5/4-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| G.M. Hodge | hodge-001g-- | 1901 | 5/1-6/26 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| G.M. Hodge | hodge-001g-- | 1901 | 7/11-7/18 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| G.M. Hodge | hodge-001g-- | 1901 | 8/11-8/15 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| George Hodson | hodson002geo | 1901 | 4/26-5/16 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| George Hodson | hodson002geo | 1901 | 41 g. | Oakland Commuters | California League | Oakland, CA | |
| Augie Hoff | hoff--001aug | 1901 | 8/13,9/21 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Augie Hoff | hoff--001aug | 1901 | 8/17 | Grand Rapids | Western League | Grand Rapids, MI | |
| Bill Hoffer | hoffer003wil | 1901 | Cleveland | American League | Cleveland, OH | ||
| Bill Hoffer | hoffer003wil | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Bill Hoffer | hoffer001wil | 1901 | 23 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Danny Hoffman | hoffma001dan | 1901 | 5/11-5/15 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Fritz Hoffman | 1901 | Anderson | Independent | Anderson, SC | |||
| Izzy Hoffman | hoffma004har | 1901 | 4/15- | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Izzy Hoffman | hoffma004har | 1901 | -5/1 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Larry Hoffman | hoffma001law | 1901 | 3 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Larry Hoffman | hoffma001law | 1901 | 7/4-7/9 | Chicago | National League | Chicago, IL | |
| Larry Hoffman | hoffma001law | 1901 | 7/27-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jesse Hoffmeister | hoffme002jes | 1901 | 5/2-5/19 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Jesse Hoffmeister | hoffme002jes | 1901 | 6/3-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Charles Hoffter | hoffte000cha | 1901 | 8/6 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Solly Hofman | hofman001art | 1901 | 6/17-6/19 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Malachi Hogan | hogan-001har | 1901 | Marion OH | Independent | Marion, OH | ||
| Malachi Hogan | hogan-001har | 1901 | 8/13 | Cleveland | American League | Cleveland, OH | |
| Wallace Hogan | hogan-002wal | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| George Hogreiver | hogrie001geo | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| George Hogreiver | hogrie001geo | 1901 | Appleton | Wisconsin State League | Appleton, WI | ||
| Howard Holland | hollan001how | 1901 | 7/29-8/21 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Jack Holland | hollan004joh | 1901 | 100 g. | Denver Grizzlies | Western League | Denver, CO | |
| Jack Holland | hollan004joh | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Wallace Hollingsworth | hollin001wal | 1901 | 13 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Wallace Hollingsworth | hollin001wal | 1901 | 61 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Harvey Hollis | hollis001har | 1901 | Homestead | Independent | Homestead, PA | ||
| Ed Holly | holly-002edw | 1901 | 81 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Hollywood | hollyw001--- | 1901 | Fleishman’s | Independent | , | ||
| Hollywood | hollyw001--- | 1901 | 4/15-4/20 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Ducky Holmes | holmes003jam | 1901 | 131 g. | Detroit | American League | Detroit, MI | |
| Ducky Holmes | holmes001how | 1901 | g. ? | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Fred Holmes | holmes001fre | 1901 | 32 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Holt | holt--014--- | 1901 | 7/10 | Manchester | New England League | Manchester, NH | |
| James Honeyman | honeym001jam | 1901 | 124 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Guy Hood | hood--006--- | 1901-03 | +4/17+ | U. Nebraska | College | , | |
| Hooker | hooker009--- | 1901 | 7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Hooker | hooker009--- | 1901 | Rich.-WestEnd | Independent | Richmond, VA | ||
| Buck Hooker | hooker001wil | 1901 | 4/16-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Buck Hooker | hooker001wil | 1901 | 7/10-8/14 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Ernest Hooker | hooker001e-- | 1901 | 4/25-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Charles Hoover | 1901 | 6/8-6/19 | Middletown | Pennsylvania State League | Middletown, PA | ||
| A.C. Hopkins | hopkin008--- | 1901 | 8/6-8/16 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Lee Hopkins | hopkin001leo | 1901 | 5/2-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Hopper | hopper005--- | 1901 | Ashtabula | Independent | Ashtabula, OH | ||
| Hopper | hopper005--- | 1901 | 6/20-7/4 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| William Horan | horan-001wil | 1901 | 5/17-5/23 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Joe Hornung | hornun001mik | 1901 | 4/25-9/22 | Umpire | Western Association | , | |
| Elmer Horton | horton002elm | 1901 | 4/29-6/4 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Elmer Horton | horton002elm | 1901 | 6/21-8/14 | Ilion Typewriters | New York State League | Ilion, NY | |
| Houlihan | houlih003--- | 1901 | 9/3 | Derby Angels | Connecticut State League | Derby, CT | |
| Ed Householder | househ001edw | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Ed Householder | househ001edw | 1901 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | ||
| William Householder | househ002wil | 1901 | 5/2-6/15 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Lefty Houtz | houtz-001fre | 1901 | 4/25-5/12 | Marion Glass Blowers | Western Association | Marion, IN | |
| Lefty Houtz | houtz-001fre | 1901 | 5/18-5/24 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Howard | howard026--- | 1901 | 5/15-6/25 | Lewiston | New England League | Lewiston, ME | |
| Tommy Howe | howe--001tho | 1901 | 5/15-7/1 | Lewiston | New England League | Lewiston, ME | |
| Howell | howell014--- | 1901 | 5/7-5/17 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Harry Howell | howell001hen | 1901 | Baltimore | American League | Baltimore, MD | ||
| Robert Howell | howell001rob | 1901 | +5/22+ | Joplin | Independent | Joplin, MO | |
| Robert Howell | howell001rob | 1901 | Winfield KS | Independent | Winfield, KS | ||
| Robert Howell | howell001rob | 1901 | +8/11-8/14+ | Arkansas City | Independent | Arkansas City, AR | |
| Robert Howell | howell001rob | 1901 | +9/11+ | Fort Scott | Independent | Fort Scott, KS | |
| Billy Howells | howell005wil | 1901 | 5/17 | Lewiston | New England League | Lewiston, ME | |
| J.A. Howlett | howlet000ja- | 1901 | 5/7 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Billy Hoy | hoy---001wil | 1901 | Chicago | American League | Chicago, IL | ||
| Jimmie Hoy | hoy---002jam | 1901 | 5/2-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| R.B. Hubbard | hubbar000rb- | 1901 | 5/11-6/9 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Hudson | hudson022--- | 1901 | 8/15-8/16 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Frank Huelsman | huelsm001fra | 1901 | 5/2-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Tobe Huffman | hauffm001--- | 1901 | Enid Browns | Independent | Enid, OK | ||
| Miller Huggins | huggin001mil | 1901 | 70 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Hughes | hughes018--- | 1901 | 8/13-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Hughes | hughes050--- | 1901 | 2 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Hughes | hughes052--- | 1901 | 7/12-7/29 | Cortland/Waverly | New York State League | Waverly, NY | |
| Harry Hughes | hughes004har | 1901 | 6/15-6/30 | Schenectady Electricians | New York State League | Schenectady, NY | |
| James Hughes | hughes004jam | 1901 | 5/31-7/11 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Jay Hughes | hughes008jam | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| Joe Hughes | hughes001elm | 1901 | 7/21-8/30 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Tom Hughes | hughes004tho | 1901 | Chicago | National League | Chicago, IL | ||
| Jim Hughey | hughey001jim | 1901 | 6/14-9/20 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Hughley | hughey001--- | 1901 | 1 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Billy Hulen | hulen-001bil | 1901 | 76 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Thomas Huling | huling001tho | 1901 | +5/22-6/11+ | Painesville OH | Independent | Painesville, OH | |
| Thomas Huling | huling001tho | 1901 | +6/15-9/8+ | Canton | Independent | Canton, OH | |
| Rudy Hulswitt | hulswi001rud | 1901 | 124 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Hummel | hummel006--- | 1901 | 7/9-7/10 | Manchester | New England League | Manchester, NH | |
| Hummelstein | hummel003--- | 1901 | 6/11-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Hunnewell | hunnew001--- | 1901 | 7/5-7/6 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Harry Hunt | hunt--001har | 1901 | no g. | St. Paul Saints | Western League | St. Paul, MN | |
| John Hunt | 1901 | 4/26-8/22 | Umpire | Eastern League | , | ||
| Dan Hupp | hupp--002dan | 1901 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | ||
| George Hurlburt | hurlbu001geo | 1901 | 103 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Bill Hurley | hurley003wil | 1901 | St. Joseph Saints | Western League | St. Joseph, MO | ||
| Bill Hurley | hurley003wil | 1901 | 89 g. | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Jerry Hurley | hurley001jer | 1901 | 5/8-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Jerry Hurley | hurley001jer | 1901 | 9/23- | 9 g. | Cincinnati | National League | Cincinnati, OH |
| Bert Husting | hustin001ber | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Harry Huston | huston001har | 1901 | Douglass KS | Independent | Douglass, KS | ||
| Jack Huston | huston001jac | 1901 | no g. | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Jack Huston | huston001jac | 1901 | Bakersfield | Independent | Bakersfield, CA | ||
| Hutchinson | hutchi013--- | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| Ed Hutchinson | hutchi002ed- | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Frank Hutchinson | hutchi001fra | 1901 | Nevada MO | Independent | Nevada, MO | ||
| Frank Hutchinson | hutchi001fra | 1901 | Sedalia | Independent | Sedalia, MO | ||
| Fred Hutchinson | hutchi001fre | 1901 | Fort Scott | Independent | Fort Scott, KS | ||
| Ralph Hutchinson | hutchi002ral | 1901 | Dickinson College | College | , | ||
| Arthur Hutter | 1901 | Canton-Marine | Independent | Canton, OH | |||
| Arthur Hutter | 1901 | +6/24-9/3+ | Painesville OH | Independent | Painesville, OH | ||
| Arthur Hutter | 1901 | -10/6 | Canton | Independent | Canton, OH | ||
| Elmer Hutton | hutton001--- | 1901 | 6/8-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Will Hutton | hutton001wil | 1901 | 5/2-9/17 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| William Hycoop | hycoop000wil | 1901 | +7/6-9/21+ | Kalamazoo-MWA | Kalamazoo City League | Kalamazoo, MI | |
| Ham Iburg | iburg-001her | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Charlie Irwin | irwin-001cha | 1901 | Cincinnati | National League | Cincinnati, OH | ||
| Charlie Irwin | irwin-001cha | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| Thomas Irwin | irwin-004tho | 1901 | 4/26-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Thomas Irwin | irwin-004tho | 1901 | 6/7/-6/26 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Frank Isbell | isbell001wil | 1901 | Chicago | American League | Chicago, IL | ||
| Tom Ivers | ivers-001tho | 1901 | 6/25-8/21 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Fred Jacklitsch | jackli001fre | 1901 | 33 g. | Philadelphia | National League | Philadelphia, PA | |
| Jackson | jackso074--- | 1901 | 6/10 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Jim Jackson | jackso002jam | 1901 | 4/26- | 99 g. | Baltimore | American League | Baltimore, MD |
| Mike Jacob | jacobs001mor | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Mike Jacob | jacobs001mor | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Jameson/Jamison | 1901 | 5/23-6/7 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | ||
| F. O. Jamieson | 1901 | Manson IA | Independent | Manson, IA | |||
| F. O. Jamieson | 1901 | 8/2-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | ||
| Frank Jansa | jansa-001fra | 1901 | +5/30+ | Wahoo NB | Independent | Wahoo, NE | |
| Jack Jarvis | jarvis005wil | 1901 | 5/2-6/7 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Jack Jarvis | jarvis005wil | 1901 | 6/23-7/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Jack Jarvis | jarvis005wil | 1901 | +8/12+ | Sioux Falls | Independent | Sioux Falls, SD | |
| Phil Jason | jason-001phi | 1901 | 6/11-6/27 | Augusta | New England League | Augusta, ME | |
| Charles Jeffries | jeffri001cha | 1901 | 6/8-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Ed Jeffries | jeffri001e-- | 1901 | 6/8-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Hughie Jennings | jennin001hug | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Si Jensen | jensen001erv | 1901 | 1 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Ed Jess | jess--001ed- | 1901 | Wausau WI | Independent | Wausau, WI | ||
| Clarence Jessup | jessup001cla | 1901 | 5/21-5/24 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Fred Jevne | jevne-001fre | 1901 | Umpire | Western League | , | ||
| Jacob Jimerson | jamiso001jac | 1901 | no g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| John | 1901 | Yale Univ. | College | , | |||
| John | 1901 | Paul Smith’s | Independent | , | |||
| Johnson | johnso223--- | 1901 | Yale Univ. | College | , | ||
| Johnson | johnso223--- | 1901 | Paul Smith’s | Independent | , | ||
| Johnson | johnso223--- | 1901 | 8/29 | Malone | Northern New York League | Malone, NY | |
| Abbie Johnson | johnso002abb | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Youngy Johnson | johnso002you | 1901 | 36 g. | LA/Oakland | California League | Los Angeles, CA | |
| Bill Johnston | johnst004wil | 1901 | 4/15-6/15 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Jim Johnstone | johnst001jim | 1901 | 5/24-5/28 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Jim Johnstone | johnst001jim | 1901 | 6/1-9/25 | Umpire | Southern League | , | |
| Jones | jones-151--- | 1901 | 5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Alex Jones | jones-002ale | 1901 | Homestead | Independent | Homestead, PA | ||
| Alex Jones | jones-002ale | 1901 | 7/24-9/21 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Bud Jones | jones-131--- | 1901 | +7/2+ | Flandreau | Independent | Flandreau, SD | |
| Bumpus Jones | jones-011cha | 1901 | 1 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Charlie Jones | jones-005cha | 1901 | 5/2- | 10 g. | Boston | American League | Boston, MA |
| Charlie Jones | jones-005cha | 1901 | 91 g. | Denver Grizzlies | Western League | Denver, CO | |
| Cowboy Jones | jones-003alb | 1901 | -6/21 | 10 g. | St. Louis | National League | St. Louis, MO |
| Cowboy Jones | jones-003alb | 1901 | 18 g. | Denver Grizzlies | Western League | Denver, CO | |
| Davy Jones | jones-005dav | 1901 | 6/16-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Davy Jones | jones-005dav | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Evarts Jones | jones-002eva | 1901 | KC-BankCommerce | Independent | Kansas City, MO | ||
| Herbert Jones | jones-001her | 1901 | 5/15-7/22 | Bangor | New England League | Bangor, ME | |
| Jim Jones | jones-022jam | 1901 | 5/8-9/7 | Albany Senators | New York State League | Albany, NY | |
| Jim Jones | jones-022jam | 1901 | 21 g. | New York | National League | New York, NY | |
| Oscar Jones | jones-002osc | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Ross Jones | jones-003ros | 1901 | 7/27-7/29 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Thomas Jones | jones-019tho | 1901 | 6/16-6/23 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Harry Jope | jope--001hen | 1901 | 5/15- | Brockton B's | New England League | Brockton, MA | |
| Harry Jope | jope--001hen | 1901 | -9/2 | Lewiston | New England League | Lewiston, ME | |
| Jordan | jordan021--- | 1901 | 6/5- | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Jordan | jordan021--- | 1901 | -6/21 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Dutch Jordan | jordan001ado | 1901 | 5/8-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| H.O. Jordan | jordan032--- | 1901 | 5/18 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Hugo Jordan | 1901 | preseason | Selma Christians | Southern Association | Selma, AL | ||
| Slats Jordan | jordan001cla | 1901 | 9/28 | Baltimore | American League | Baltimore, MD | |
| Theodore Jordan | jordan000the | 1901 | Kingston | Kingston, | |||
| Tim Jordan | jordan002tim | 1901 | 8/10- | 6 g. | Washington | American League | Washington, DC |
| Addie Joss | joss--001adr | 1901 | 4/27-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Michael Joyce | joyce-002mic | 1901 | 7/1-9/2 | Lewiston | New England League | Lewiston, ME | |
| Mike Kahoe | kahoe-001mic | 1901 | 4 g. | Cincinnati | National League | Cincinnati, OH | |
| Mike Kahoe | kahoe-001mic | 1901 | 67 g. | Chicago | National League | Chicago, IL | |
| Charles Kain | kain--001cha | 1901 | 4/15-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Nicholas Kaiser | kaiser001nic | 1901 | +12/16+ | SSM-Maroons | Independent | , | |
| George Kalkhoff | kalkho002geo | 1901 | 5/4-6/19 | Memphis Egyptians | Southern Association | Memphis, TN | |
| George Kalkhoff | kalkho002geo | 1901 | 6/20-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Ambrose Kane | kane--001amb | 1901 | 6/22-9/2 | Lewiston | New England League | Lewiston, ME | |
| Andrew Kane | kane--002and | 1901 | 5/22-6/8 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Billy Kane | kane--002wil | 1901 | 4/25-7/1 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Billy Kane | kane--002wil | 1901 | 7/9-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Chicko Kane | kane--042--- | 1901 | 5/15-5/25 | Lowell Tigers | New England League | Lowell, MA | |
| Harry Kane | kane--001har | 1901 | StL-Rawlings | Independent | St. Louis, MO | ||
| Harry Kane | kane--001har | 1901 | 5/6-5/11 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Jerry Kane | kane--001jer | 1901 | 5/4-7/4 | New London Whalers | Connecticut State League | New London, CT | |
| Jerry Kane | kane--001jer | 1901 | 7/5-7/10 | Ilion Typewriters | New York State League | Ilion, NY | |
| William Kane | kane--003wil | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| Jay Kanzler | kanzle001jay | 1901 | 5/2-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Bill Karns | karns-001wil | 1901 | 8/1-9/26 | Baltimore | American League | Baltimore, MD | |
| Jack Katoll | katoll001joh | 1901 | 27 g. | Chicago | American League | Chicago, IL | |
| Kauffman | kauffm002--- | 1901 | 6/13-6/14 | Middletown | Pennsylvania State League | Middletown, PA | |
| Bill Kay | kay---001wal | 1901 | Roanoke College | College | , | ||
| William Keane | keane-002wil | 1901 | 6/15-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Kearney | kearne009--- | 1901 | 6/13 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| James Kearney | kearne001jam | 1901 | 5/15-9/2 | Nashua | New England League | Nashua, NH | |
| Kearns | kearns015--- | 1901 | 6/10-6/11 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Keating | keatin010--- | 1901 | 9/5-9/6 | Derby Angels | Connecticut State League | Derby, CT | |
| Bobby Keefe | keefe-001rob | 1901-06 | Santa Clara U. | College | , | ||
| George Keefe | keefe-002geo | 1901 | 5/2-7/16 | Shreveport Giants | Southern Association | Shreveport, LA | |
| George Keefe | keefe-002geo | 1901 | 7/19-9/23 | Birmingham Barons | Southern Association | Birmingham, AL | |
| John Keefe | 1901 | 5/8-8/23 | Umpire | New York State League | , | ||
| Pat Keefe | keefe-001pat | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| Pat Keefe | keefe-001pat | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| Burt Keeley | keeley001bur | 1901 | 8/17-9/6 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Keely | 1901 | +7/18+ | Raleigh Senators | North Carolina League | Raleigh, NC | ||
| Jack Keenan | keenan001kid | 1901 | , | ||||
| Harry Keener | keener001har | 1901 | 6/15 | Easton | Pennsylvania State League | Easton, PA | |
| Bill Keister | keiste001wil | 1901 | 115 g. | Baltimore | American League | Baltimore, MD | |
| Matt Kelby | kelby-000mat | 1901 | 5/24-5/31 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| James Keller | keller001jam | 1901 | Nevada MO | Independent | Nevada, MO | ||
| Bill Kelley | kelley006wil | 1901 | 5/4-5/11 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Bill Kelley | kelley001joh | 1901 | 5/17-7/24 | Bangor | New England League | Bangor, ME | |
| Eddie Kelley | kelley000edd | 1901 | 6/3-6/6 | Manchester | New England League | Manchester, NH | |
| Joe Kelley | kelley002jos | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| John Kelley | kelley004joh | 1901 | 5/17-9/2 | Manchester | New England League | Manchester, NH | |
| John Kelley | kelley004joh | 1901 | 8/20-9/21 | Umpire | Eastern League | , | |
| John Kelley | kelley008joh | 1901 | 6/7-6/11 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Mike Kelley | kelley002mic | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Mike Kelley | kelley002mic | 1901 | 52 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Albert Kellner | kellne001alb | 1901 | 6/12-8/7 | Marion Glass Blowers | Western Association | Marion, IN | |
| Win Kellum | kellum001win | 1901 | 4/26- | 6 g. | Boston | American League | Boston, MA |
| Win Kellum | kellum001win | 1901 | 9/2-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Billy Kelly | kelly-004wil | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| George Kelly | kelly-005geo | 1901 | 4/15-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| George Kelly | kelly-005geo | 1901 | 7/9-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| John Kelly | kelly-003joh | 1901 | 5/15-7/8 | Bangor | New England League | Bangor, ME | |
| John Kelly | kelly-003joh | 1901 | 7/13-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Speed Kelly | kelly-002rob | 1901-02 | Goshen IN HS | High School | , | ||
| Thomas Kelly | kelly-001tho | 1901 | 5/1-9/14 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Bill Kemmer | kemmer001wil | 1901 | 4/15- | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Bill Kemmer | kemmer001wil | 1901 | 7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Bill Kemmer | kemmer001wil | 1901 | 7/15-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Ed Kenna | kenna-004edw | 1901 | U. West Virginia | College | , | ||
| Ed Kenna | kenna-004edw | 1901 | 6/29-9/18 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Albert Kennedy | kenned002alb | 1901 | 5/2-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Brickyard Kennedy | kenned005wil | 1901 | 14 g. | Brooklyn | National League | Brooklyn, NY | |
| Charles Kennedy | kenned001cha | 1901 | 5/4-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Doc Kennedy | kenned001doc | 1901 | 4/26-8/15 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jack Kennedy | kenned001joh | 1901 | 5/8-5/16 | Albany Senators | New York State League | Albany, NY | |
| Jack Kennedy | kenned001joh | 1901 | 5/29-8/21 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Jack Kennedy | kenned001joh | 1901 | 8/24-8/29 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| John Kennedy | kenned024--- | 1901 | 8/19-8/31 | Cortland/Waverly | New York State League | Waverly, NY | |
| Sam Kennedy | kenned001sam | 1901 | 5/20-5/23 | Chester | Pennsylvania State League | Chester, PA | |
| Sam Kennedy | kenned007wil | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| Sam Kennedy | kenned001sam | 1901 | 6/12-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Sherman Kennedy | kenned001she | 1901 | 5/2-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| William Kennedy | kenned007wil | 1901 | 5/28-6/8 | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| William Kennedy | kenned007wil | 1901 | 20 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Maurice Kent | 1901-03 | Marshalltown HS | High School | , | |||
| Kenyon | kenyon002--- | 1901 | 6/3-6/8 | Norwich Witches | Connecticut State League | Norwich, CT | |
| John Kerin | kerin-001joh | 1901 | 5/15-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| John Kerin | kerin-001joh | 1901 | Umpire | New England League | , | ||
| Al Kern | kern--001alv | 1901 | 6/10-9/24 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Otto Kersten | kerste000ott | 1901 | Minnea. South | High School | , | ||
| Dan Kerwin | kerwin001dan | 1901 | 4/25-6/24 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Dan Kerwin | kerwin001dan | 1901 | Norristown PA | Independent | Norristown, PA | ||
| Fred Ketchum | ketchu001fre | 1901 | -5/4 | 5 g. | Philadelphia | American League | Philadelphia, PA |
| Fred Ketchum | ketchu001fre | 1901 | 115 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Kidder | kidder001--- | 1901 | 5 g. | Salt Lake City | Inter-Mountain League | , | |
| Kidder | kidder001--- | 1901 | 5 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Kiernan | kierna002--- | 1901 | 7/29 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Peter Kiernan | kierna001pet | 1901 | 5/4-7/15 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Peter Kiernan | kierna001pet | 1901 | 8/2-9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Tom Kiernan | kierna001tho | 1901 | 5/9- | 84 g. | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL |
| Tom Kiernan | kierna001tho | 1901 | 8/9-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| George Kihm | kihm--001geo | 1901 | 5/8-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Edward Kilcoyne | kilcoy001edw | 1901 | Warrior Run PA | Independent | Warrior Run, PA | ||
| Edward Kilcoyne | kilcoy001edw | 1901 | Stafford PA | Independent | Stafford, PA | ||
| Frederick Kilfeder | kilfed001fre | 1901 | 7/4 | Lewiston | New England League | Lewiston, ME | |
| Frank Killen | killen002fra | 1901 | 7/1-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Allen Killheffer | killhe000all | 1901 | +4/30-5/5+ | Frank.&Marshall | College | , | |
| Allen Killheffer | killhe000all | 1901 | 6/17-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Allen Killheffer | killhe000all | 1901 | Frank.&Marshall | College | , | ||
| Martin Killilay | killil001mar | 1901 | Leav.-Orioles | Independent | Leavenworth, KS | ||
| John Kimble | kimbal002joh | 1901 | 7/6 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Clem Kimerer | kimere001cle | 1901 | 11 g. | Salt Lake City | Inter-Mountain League | , | |
| Clem Kimerer | kimere001cle | 1901 | 20 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Kincheloe | kinche000--- | 1901 | 7/19 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Frank King | king--002fra | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Husky King | king--002h-- | 1901 | +7/4-7/15 | 8 g. | Park City | Inter-Mountain League | Park City, UT |
| Philip King | 1901 | Univ. Wisconsin | College | , | |||
| Victor King | king--001vic | 1901 | 13 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Victor King | king--001vic | 1901 | 6/7-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Billy Kinloch | kinloc001bil | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| William Kirwan | kirwan001wil | 1901 | Austin | Independent | Austin, PA | ||
| Rube Kisinger | kising001cha | 1901 | 5/19 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Frank Kitson | kitson001fra | 1901 | 47 g. | Brooklyn | National League | Brooklyn, NY | |
| Malachi Kittridge | kittri001mal | 1901 | 114 g. | Boston | National League | Boston, MA | |
| Kleckner | kleckn001--- | 1901 | 6/8-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Red Kleinow | kleino001joh | 1901 | 82 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Red Kleinow | kleino001joh | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| Kline | kline-005--- | 1901 | Harr.-Susquehanna | Independent | Harrisburg, PA | ||
| Kline | kline-005--- | 1901 | 6/11-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Fred Klobedanz | klobed001fre | 1901 | 4/26-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Fred Klobedanz | klobed001fre | 1901 | 6/4 | New London Whalers | Connecticut State League | New London, CT | |
| Gus Klopf | klopf-001gus | 1901 | 20 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Gus Klopf | klopf-001gus | 1901 | Minneapolis Millers | Western League | Minneapolis, MN | ||
| Gus Klopf | klopf-001gus | 1901 | 6/19-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Louis Knau | knau--001lou | 1901 | 4/15-6/18 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Louis Knau | knau--001lou | 1901 | 6/24-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Louis Knau | knau--001lou | 1901 | 7/9-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Louis Knau | knau--001lou | 1901 | 8/23-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Phil Knell | knell-001phi | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Charlie Knepper | kneppe002cha | 1901 | 9 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Charlie Knepper | kneppe002cha | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| Knoblett | knoble000--- | 1901 | 5/12 | Columbus Senators | Western Association | Columbus, OH | |
| Julius Knoll | knoll-001jul | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Julius Knoll | knoll-001jul | 1901 | 6/4-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Punch Knoll | knoll-001cha | 1901 | 5/2-7/18 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Punch Knoll | knoll-001cha | 1901 | 7/29-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Knorr | knorr-006--- | 1901 | 8/15 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Dick Knox | knox--002ric | 1901 | 49 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Joe Kostal | kostal001jos | 1901 | 3 g. | Denver Grizzlies | Western League | Denver, CO | |
| Joe Kostal | kostal001jos | 1901 | 17 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Kramer | kramer011--- | 1901 | 6/10-6/11 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Kramer | kramer003--- | 1901 | 6/12-6/14 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Olaf Kranz | kranz-001--- | 1901 | 5/5-8/2 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Charlie Krause | krause001cha | 1901 | 5/2-5/18 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Ed Krebs | krebs-001edw | 1901 | Green Bay | Wisconsin State League | Green Bay, WI | ||
| William Kreig | 1901 | , | |||||
| Bill Krieg | krieg-001bil | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Otto Krueger | kruege002art | 1901 | 142 g. | St. Louis | National League | St. Louis, MO | |
| Henry Krug | krug--001hen | 1901 | 159 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Frederick Kruse | kruse-002fre | 1901 | +7/31+ | Appleton | Wisconsin State League | Appleton, WI | |
| Albert Kuhn | kuhn--001alb | 1901 | Appleton | Wisconsin State League | Appleton, WI | ||
| Jimmy Kuhn | kuhn--001jam | 1901 | 5/4-8/3 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jimmy Kuhn | kuhn--001jam | 1901 | 8/13-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Charlie Kuhns | kuhns-001cha | 1901 | 4/26-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Harry Kuran | kuran-001har | 1901 | Oroville CA | Independent | Oroville, CA | ||
| Harry Kuran | kuran-001har | 1901 | 5/1-5/15 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Harry Kuran | kuran-001har | 1901 | 5/19-5/26 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Kyler | kyler-001--- | 1901 | 6/11 | Middletown | Pennsylvania State League | Middletown, PA | |
| George LaBelle | labell001geo | 1901 | +7/1-9/21+ | Kalamazoo-KofP | Kalamazoo City League | Kalamazoo, MI | |
| Hank Labelle | labell001hen | 1901 | Montr.-Mascots | Independent | Montreal, QC | ||
| Hank Labelle | labell001hen | 1901 | 8/2-9/2 | Nashua | New England League | Nashua, NH | |
| George LaChance | lachan001geo | 1901 | 133 g. | Cleveland | American League | Cleveland, OH | |
| Hi Ladd | ladd--001art | 1901 | 5/4-9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Ladue | ladue-001--- | 1901 | 8/28 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Fred LaFontaine | lafont002--- | 1901 | 6/1-6/4 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Fred LaFontaine | lafont002--- | 1901 | Haverhill Hustlers | New England League | Haverhill, MA | ||
| John Lagger | lagger001joh | 1901 | +6/23+ | Ashland | Independent | Ashland, MN | |
| Lahey | lahey-002--- | 1901 | 6/5-6/12 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Nap Lajoie | lajoie001nap | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| Fred Lake | lake--001fre | 1901 | 5/15-8/30 | Lowell Tigers | New England League | Lowell, MA | |
| Bud Lally | lally-003bud | 1901 | Rich.-Entre Nous | Independent | Richmond, VA | ||
| Dan Lally | lally-001dan | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Dan Lally | lally-001dan | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| William Lambert | lamber002wil | 1901 | +6/23+ | Duluth | Northern League | Duluth, MN | |
| Harvey Lambeth | lambet002har | 1901 | 7/26-7/27 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Harvey Lambeth | lambet002har | 1901 | 8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Pete Lamer | lamer-001pie | 1901 | 5/4-5/15 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Ernest Landgraf | landgr001ern | 1901 | 5/13-6/19 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Lang | lang--014--- | 1901 | 5/2-5/26 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Lang | lang--014--- | 1901 | Altoona | Independent | Altoona, PA | ||
| William Langton | langto001wil | 1901 | no g. | Ilion Typewriters | New York State League | Ilion, NY | |
| Charles Lannigan | 1901 | Umpire | Eastern League | , | |||
| Charles Lannigan | 1901 | 7/15-8/10 | Umpire | New York State League | , | ||
| Teddy Larkin | larkin001pie | 1901 | 5/4-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Sam LaRocque | larocq001sam | 1901 | 5/2-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Latchie | latchi001lou | 1901 | 5/23 | Chester | Pennsylvania State League | Chester, PA | |
| Arlie Latham | latham002wal | 1901 | 4/25-9/22 | Umpire | Western Association | , | |
| Dick Latham | latham001ric | 1901 | no g. | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Gregg Latimer | latime001m-- | 1901 | 5/17-6/27 | Lowell Tigers | New England League | Lowell, MA | |
| Gregg Latimer | latime001m-- | 1901 | 7/4-7/11 | Derby Angels | Connecticut State League | Derby, CT | |
| Tacks Latimer | latime001cli | 1901 | 1 g. | Baltimore | American League | Baltimore, MD | |
| Tacks Latimer | latime001cli | 1901 | 5/16-6/28 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Tacks Latimer | latime001cli | 1901 | 19 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Lattomus | lattom000--- | 1901 | 7/3 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Billy Lauder | lauder001wil | 1901 | 2 g. | Philadelphia | American League | Philadelphia, PA | |
| Laughlin | laughl001--- | 1901 | 6/5-7/4 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Bill Lauterborn | lauter001wil | 1901 | 7/22-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Ed Lauzon | lauzon001edw | 1901 | 3 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Ed Lauzon | lauzon001edw | 1901 | 6/22-9/15 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Ed Lauzon | lauzon001edw | 1901 | 9/17-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Jack Law | law---001joh | 1901 | 105 g. | Denver Grizzlies | Western League | Denver, CO | |
| Jack Law | law---001joh | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Jack Law | law---001joh | 1901 | Minneapolis Millers | Western League | Minneapolis, MN | ||
| Jack Lawler | lawler003joh | 1901 | 5/4-9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Jack Lawlor | lawlor001joh | 1901 | 5/8-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Tom Lawlor | lawlor001tho | 1901 | 8/31-9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Andy Lawrence | lawren001and | 1901 | 7/29-8/16 | Nashua | New England League | Nashua, NH | |
| Mike Lawrence | lawren001mic | 1901 | 5/2-5/7 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Mike Lawrence | lawren001mic | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| Mike Lawrence | lawren001mic | 1901 | 7/13-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Al Lawson | lawson001al- | 1901 | President | Pennsylvania State League | , | ||
| Al Lawson | lawson001al- | 1901 | 5/13-6/19 | Easton | Pennsylvania State League | Easton, PA | |
| Billy Lawson | lawson001wil | 1901 | Canadian League | , | |||
| Bob Lawson | lawson003rob | 1901 | 5/7- | 10 g. | Boston | National League | Boston, MA |
| George Lawson | 1901 | Muncie IN | Muncie, IN | ||||
| Al Lawton | lawton000al- | 1901 | 9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Frank Layne | layne-001fra | 1901 | Arkansas City | Independent | Arkansas City, KS | ||
| Dan Leahy | leahy-002dan | 1901 | 5/2-7/22 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Tom Leahy | leahy-002tho | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Tom Leahy | leahy-002tho | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| Tom Leahy | leahy-002tho | 1901 | 7/15-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Frank Leary | leary-001fra | 1901 | 8/21-8/29 | Malone | Northern New York League | Malone, NY | |
| Sam Leatherby | 1901 | +7/21+ | Plainview NE | Independent | Plainfield, NE | ||
| Sam Leatherby | 1901 | +8/18+ | Stanton NE | Independent | Stanton, NE | ||
| Jack Lee | lee---003joh | 1901 | 5/8-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Jack Lee | lee---003joh | 1901 | 7/15-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Wyatt Lee | lee---001wya | 1901 | 4/30- | 43 g. | Washington | American League | Washington, DC |
| Bill LeGrande | legran001w-- | 1901 | 4/15-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Bill LeGrande | legran001w-- | 1901 | 7/9-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| David Lehman | lehman001dav | 1901 | 5/13-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| David Lehman | lehman001dav | 1901 | 7/9-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| George Leidy | leidy-002geo | 1901 | 5/2-6/28 | Birmingham Barons | Southern Association | Birmingham, AL | |
| George Leidy | leidy-002geo | 1901 | 8/10-8/24 | Umpire | Southern League | , | |
| George Leidy | leidy-002geo | 1901 | 8/27-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Jim Leighton | leight001jam | 1901 | Jackson | Independent | Jackson, TN | ||
| Jim Leighton | leight001jam | 1901 | 8/12-9/25 | Selma Christians | Southern Association | Selma, AL | |
| John Leighton | leight002joh | 1901 | 5/16-6/26 | Augusta | New England League | Augusta, ME | |
| George Leitner | leitne001geo | 1901 | 5/17-6/5 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| George Leitner | leitne001geo | 1901 | 6/29 | Philadelphia | American League | Philadelphia, PA | |
| George Leitner | leitne001geo | 1901 | 2 g. | New York | National League | New York, NY | |
| Patrick Lennon | lennon001pat | 1901 | no g. | Meriden Miler | Connecticut State League | Meriden, CT | |
| Walter Lent | lent--002--- | 1901 | 5/15-6/29 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Frank Leonard | leonar001fra | 1901 | 4/26-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Frank Leonard | leonar001fra | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| John Leonard | leonar001--- | 1901 | 4/16-4/29 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Pete LePine | lepine002lou | 1901 | +8/8+ | Woonsocket-Gyms | Independent | Woonsocket, RI | |
| Leroy | leroy-003--- | 1901 | 7/6 | Selma Christians | Southern Association | Selma, AL | |
| Leslie | leslie010--- | 1901 | 6/8 | Bangor | New England League | Bangor, ME | |
| Fenner Leslie | leslie001fen | 1901 | Univ. of Texas | College | , | ||
| Tom Letcher | letche001tom | 1901 | 121 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Ed Lewee | lewee-001edw | 1901 | 113 g. | Denver Grizzlies | Western League | Denver, CO | |
| Ed Lewee | lewee-001edw | 1901 | Kansas City Blues | Western League | Kansas City, MO | ||
| Lewis | lewis-070--- | 1901 | 6/24 | Augusta | New England League | Augusta, ME | |
| Earl Lewis | lewis-001ear | 1901 | 5/13-5/30 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Christie Lidders | lidder001--- | 1901 | 5/7-5/10 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Fred Lincoln | lincol002fre | 1901 | 7/26-7/30 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Bob Lindemann | lindem002joh | 1901 | 6/5-8/31 | Philadelphia | American League | Philadelphia, PA | |
| Ernie Lindemann | lindem001ern | 1901 | 8/20-9/6 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| J.W. Lindsley | lindsl001j-- | 1901 | 6/6 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| J.W. Lindsley | lindsl001j-- | 1901 | 6/7-7/13 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| George Linnehan | linneh001geo | 1901 | 5/11-6/12 | Meriden Miler | Connecticut State League | Meriden, CT | |
| George Linnehan | linneh001geo | 1901 | 6/24-7/5 | Lowell Tigers | New England League | Lowell, MA | |
| Perry Lipe | lipe--001per | 1901 | 5/7-5/13 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Perry Lipe | lipe--001per | 1901 | 9/13-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Tom Lipp | lipp--001tom | 1901 | 5/22 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Tom Lipp | lipp--001tom | 1901 | 4/17-6/15 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Tom Lipp | lipp--001tom | 1901 | 6/26-7/1 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Tom Lipp | lipp--001tom | 1901 | 7/10-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Tom Lipp | lipp--001tom | 1901 | 8/24-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Louis Lippert | lipper001lou | 1901 | 54 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Louis Lippert | lipper001lou | 1901 | St. Paul Saints | Western League | St. Paul, MN | ||
| Louis Lippert | lipper001lou | 1901 | Aberdeen | Independent | Aberdeen, SD | ||
| Louis Lippert | lipper001lou | 1901 | 7/30-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Paddy Livingston | living001pat | 1901 | 9/2 | Cleveland | American League | Cleveland, OH | |
| Jake Livingstone | living001jac | 1901 | 6/26-7/19 | Utica Pentups | New York State League | Utica, NY | |
| Jake Livingstone | living001jac | 1901 | 7/23 | Ilion Typewriters | New York State League | Ilion, NY | |
| Jake Livingstone | living001jac | 1901 | 7/26-8/16 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Jake Livingstone | living001jac | 1901 | 8/19-8/29 | Canton | Northern New York League | Canton, NY | |
| Abel Lizotte | lizott001abe | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Abel Lizotte | lizott001abe | 1901 | 6/4-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Harry Lochhead | lochhe001rob | 1901 | 5/26-6/11 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Harry Lochhead | lochhe001rob | 1901 | 6/17-7/2 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Frank Locke | locke-001fra | 1901 | 5/4-6/1 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Frank Locke | locke-001fra | 1901 | 6/5-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Charles Loercher | loerch001cha | 1901 | 5/11- | Lititz PA | Independent | Lititz, PA | |
| Charles Loercher | loerch001cha | 1901 | 7/8-7/9 | Rome Romans | New York State League | Rome, NY | |
| William Loercher | loetch001--- | 1901 | 5/11- | Lititz PA | Independent | Lititz, PA | |
| William Loercher | loetch001--- | 1901 | 6/8-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Logan | logan-004--- | 1901 | 5/6-5/8 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Tom Logan | logan-001tho | 1901 | U. of Chicago | College | , | ||
| Ed Logue | logue-001edd | 1901 | 9 g. | Denver Grizzlies | Western League | Denver, CO | |
| Ed Logue | logue-001edd | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Ed Logue | logue-001edd | 1901 | 10 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Pete Lohman | lohman001geo | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Frank Lohr | lohr--001fra | 1901 | 5/2-6/15 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Roy Loman | loman-001roy | 1901 | +5/19+ | Atchison | Independent | Atchison, KS | |
| Herman Long | long--001her | 1901 | 138 g. | Boston | National League | Boston, MA | |
| Red Long | long--001nel | 1901 | 5/16-9/2 | Portland | New England League | Portland, ME | |
| Herbert Longheed | loughe002her | 1901 | 86 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Harry Longley | longle001har | 1901 | 5/2-7/14 | Selma Christians | Southern Association | Selma, AL | |
| Pete Loos | loos--001iva | 1901 | 5/2 | Philadelphia | American League | Philadelphia, PA | |
| Bert Lougheed | loughe001ber | 1901 | +9/29+ | 36 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA |
| Bobby Lovely | lovely001rob | 1901 | 7/1-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| John Lovett | lovett001joh | 1901 | Nelsonville OH | Independent | Nelsonville, OH | ||
| John Lovett | lovett001joh | 1901 | 7/31 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Bobby Lowe | lowe--002rob | 1901 | Boston | National League | Boston, MA | ||
| George Lowell | lowell001geo | 1901 | 4/- | StL-Glode-Demo | Independent | St. Louis, MO | |
| Dennis Lowney | lowney001dan | 1901 | 5/2-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Bill Luby | luby--001wil | 1901 | Meriden HS | School | , | ||
| Bill Luby | luby--001wil | 1901 | 5/16 | New London Whalers | Connecticut State League | New London, CT | |
| Bill Luby | luby--001wil | 1901 | 8/7-8/30 | Meriden Miler | Connecticut State League | Meriden, CT | |
| William Lucas | lucas-005wil | 1901 | Pres.-Sec.-Trea. | Pacific Northwest League | , | ||
| Fred Luchia | lucia-001fre | 1901 | 5/4-9/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Con Lucid | lucid-001con | 1901 | 6/3-7/1 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Arthur Ludwig | ludwig001art | 1901 | +9/17+ | GraF-Akeley | Independent | Graton, MA | |
| Harry Lumley | lumley001har | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| Jack Lundbom | lundbo001joh | 1901 | 8/29-9/2 | Grand Rapids | Western League | Grand Rapids, MI | |
| Billy Lush | lush--001wil | 1901 | 4/25-9/18 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Billy Lush | lush--001wil | 1901 | 7 g. | Boston | National League | Boston, MA | |
| Charlie Luskey | luskey001cha | 1901 | 5/4-8/31 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Fred Luther | luther001fre | 1901 | 7/6-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Lydecker | lydeck000--- | 1901 | Williams College | College | , | ||
| Lydecker | lydeck000--- | 1901 | 7/1-8/9 | Canton | Northern New York League | Canton, NY | |
| Bobby Lynch | lynch-006rob | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| Ed Lynch | lynch-002edw | 1901 | 5/2-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Henry Lynch | lynch-003hen | 1901 | 4/26-7/12 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Henry Lynch | lynch-003hen | 1901 | 8/2-9/2 | Manchester | New England League | Manchester, NH | |
| James Lynch | 1901 | +5/24-6/21+ | Aberdeen | Independent | Aberdeen, SD | ||
| James Lynch | 1901 | Willmer MN | Independent | Willmar, MN | |||
| Joseph Lynch | lynch-001jos | 1901 | no g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Mike Lynch | lynch-003mic | 1901 | 5/1-10/13 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Mike Lynch | lynch-004mic | 1901 | Brown Univ. | College | , | ||
| Mike Lynch | lynch-004mic | 1901 | 7/12-8/29 | Malone | Northern New York League | Malone, NY | |
| Bottle Lyon | lyons-007--- | 1901 | 5/7-5/15 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Walter Lyons | lyons-001wal | 1901 | 8/22-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Harry Mace | mace--002har | 1901 | 6/7-7/6 | Umpire | Virginia-North Carolina League | , | |
| Ed MacGamwell | mcgamw002edw | 1901 | Lockport NY | Independent | Lockport, NY | ||
| Ed MacGamwell | mcgamw002edw | 1901 | 8/16-9/14 | Brockton B's | New England League | Brockton, MA | |
| William MacGamwell | mcgamw001wil | 1901 | 5/20-6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Mack | 1901 | Norwich Witches | Connecticut State League | Norwich, CT | |||
| John Mackin | mackin000jac | 1901 | SSM-Soos | Independent | , | ||
| Samuel Macklin | mackli000sam | 1901 | 5/15-5/17 | Augusta | New England League | Augusta, ME | |
| Bunny Madden | madden001tho | 1901-09 | Villanova Col. | College | , | ||
| Madere | madere000--- | 1901 | 5/28 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Art Madison | madiso002art | 1901 | 4/25-6/4 | Toronto Royals | Eastern League | Toronto, ON | |
| Art Madison | madiso002art | 1901 | 6/9-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Art Madison | madiso002art | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| Bill Magee | magee-001wil | 1901 | 4/26-9/3 | Worcester Quakers | Eastern League | Worcester, MA | |
| Jake Magie | magie-001jac | 1901 | 5/8-6/30 | Utica Pentups | New York State League | Utica, NY | |
| Jake Magie | magie-001jac | 1901 | 7/3-9/7 | Rome Romans | New York State League | Rome, NY | |
| George Magoon | magoon001geo | 1901 | 127 g. | Cincinnati | National League | Cincinnati, OH | |
| Jicko Maguire | maguir000jic | 1901 | 6/20 | Augusta | New England League | Augusta, ME | |
| Lou Mahaffey | mahaff002lou | 1901 | 5/19-10/10 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Mahan | mahan-010--- | 1901 | 5/26-6/2 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Charles Mahan | mahan-002--- | 1901 | no g. | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Maher | maher-007--- | 1901 | 8/4 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Henry Mahler | mahler001--- | 1901 | 6/8-6/14 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Mahoney | 1901 | 9/5-9/11 | Umpire | Southern League | , | ||
| Willard Mains | mains-001wil | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| John Malarkey | malark001joh | 1901 | 4/26-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Charlie Malay | malay-001cha | 1901 | 4/30-5/17 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| A.W. Malone | malone000aw- | 1901 | 5/18-6/4 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| A.W. Malone | malone005--- | 1901 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | ||
| Billy Maloney | malone003wil | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Curley Maloney | malone005jam | 1901 | 5/5-7/29 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| George Maloney | malone002geo | 1901 | 20 g. | Park City | Inter-Mountain League | Park City, UT | |
| Manley | manley001--- | 1901 | 6/13 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Harry Manner | manner001har | 1901 | 4/15-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Harry Manner | manner001har | 1901 | 7/13-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Jim Manning | mannin001jim | 1901 | Washington | American League | Washington, DC | ||
| Tommy Manning | mannin001tho | 1901 | 5/4-6/12 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Mareau | 1901 | Appleton | Wisconsin State League | Appleton, WI | |||
| Bert Margetts | marget001nel | 1901 | 13 g. | Park City | Inter-Mountain League | , | |
| Bert Margetts | marget001nel | 1901 | 7 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Nels Margetts | marget001nel | 1901 | 9 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| George Markley | markle001geo | 1901 | Tucson AZ | Independent | Tucson, AZ | ||
| James Maroney | marone001--- | 1901 | 8/1-8/8 | Derby Angels | Connecticut State League | Derby, CT | |
| P. Maroney | marone000p-- | 1901 | 5/20, 6/6 | Meriden Miler | Connecticut State League | Meriden, CT | |
| William Maroney | marone001w-- | 1901 | 7/12-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Archie Marshall | marsha001arc | 1901 | 8/27-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Ed Marshall | marsha002e-- | 1901 | 5/1-5/5 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Ed Marshall | marsha002e-- | 1901 | 7/24-7/30 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Joe Marshall | marsha001jos | 1901 | 5/1-10/13 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Clint Martin | martin002cli | 1901 | 5/2-6/19 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Clint Martin | martin002cli | 1901 | 6/20-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Frank Martin | martin001fra | 1901 | 5/2-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Heine Martin | martin001hei | 1901 | 9 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Heine Martin | martin001hei | 1901 | 1 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Heine Martin | martin001hei | 1901 | 9 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Heine Martin | martin001hei | 1901 | Lagoon | Inter-Mountain League | Lagoon, UT | ||
| William Martin | martin022wil | 1901 | 4/15-6/18 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| William Martin | martin022wil | 1901 | 6/24-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| William Martin | martin022wil | 1901 | 7/9-7/29 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| William Martin | martin022wil | 1901 | 7/31-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Nel Mason | mason-001nel | 1901 | 4/25 | Columbus Senators | Western Association | Columbus, OH | |
| Nel Mason | mason-001nel | 1901 | 8/6 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Bill Massey | massey001bil | 1901 | 5/6-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Christy Mathewson | mathew001chr | 1901 | Bucknell Univ. | College | , | ||
| Christy Mathewson | mathew001chr | 1901 | 42 g. | New York | National League | New York, NY | |
| Al Mattern | matter001alo | 1901 | 6/22-7/9 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Al Mattern | matter001alo | 1901 | 7/18-7/21 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Matthews | matthe050--- | 1901 | 7/7 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Harry Matthews | matthe001har | 1901 | 5/4-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Al Mauch | mauch-001alb | 1901 | 5/2-6/1 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Al Mauch | mauch-001alb | 1901 | 6/10-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Hal Mauck | mauck-001hal | 1901 | 5/2-6/4 | Umpire | Southern League | , | |
| Hal Mauck | mauck-001hal | 1901 | 6/22-7/4 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Harry Maupin | maupin001har | 1901 | 47 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| John Maury | maury-003--- | 1901 | Allentown Keystone | Independent | Allentown, PA | ||
| John Maury | maury-003--- | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| John Maury | maury-003--- | 1901 | Pottsville | Pennsylvania State League | Pottsville, PA | ||
| Elwood Maxwell | maxwel001c-- | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Mayers | mayers002--- | 1901 | 7/18 | Marion Glass Blowers | Western Association | Marion, IN | |
| Mayo | mayo--008--- | 1901 | 5/8-5/17 | Cortland/Waverly | New York State League | Cortland, NY | |
| Mayo | mayo--008--- | 1901 | 6/11-6/13 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| McAfee | mcafee002--- | 1901 | 5/9-7/13 | Selma Christians | Southern Association | Selma, AL | |
| Bert McAfee | mcafee002ber | 1901 | 5/17-9/+ | Springfield | Independent | Springfield, MO | |
| Jack McAleese | mcalee001joh | 1901 | 8/10 | Chicago | American League | Chicago, IL | |
| J.J.H. McAllister | mcalli000jjh | 1901 | 6/19-6/29 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Sport McAllister | mcalli001lew | 1901 | Detroit | American League | Detroit, MI | ||
| Tom McAndrew | mcandr002tho | 1901 | 116 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Mike McAndrews | mcandr001mic | 1901 | Morris Plains NJ | Independent | Morris Plains, NJ | ||
| McBain | mcbain001--- | 1901 | 6/10-6/12 | Augusta | New England League | Augusta, ME | |
| Algie McBride | mcbrid001alg | 1901 | New York | National League | New York, NY | ||
| George McBride | mcbrid001geo | 1901 | 9/12- | 3 g. | Milwaukee | American League | Milwaukee, WI |
| Jack McBride | mcbrid001jac | 1901 | +8/17+ | Atlanta Maroons | Independent | Atlanta, GA | |
| William McCabe | mccabe008wil | 1901 | no g. | Montreal Royals | Eastern League | Montreal, QC | |
| Charles McCafferty | mccaff002cha | 1901 | 5/2-8/3 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| John McCall | mccall001joh | 1901 | +6/18+ | Callao | Independent | Callao, MO | |
| Jack McCallister | mccall001jac | 1901 | 4/25-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Gene McCann | mccann001hen | 1901 | 5/29-8/15 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Gene McCann | mccann001hen | 1901 | +4/19+ | Brooklyn | National League | Brooklyn, NY | |
| Joseph McCann | mccann003jos | 1901 | Maryland League | , | |||
| Mike McCann | mccann001mic | 1901 | 4/25-4/26 | Grand Rapids | Western League | Grand Rapids, MI | |
| Mike McCann | mccann001mic | 1901 | 5/2-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| McCarthy | mccart085--- | 1901 | 7/1 | New London Whalers | Connecticut State League | New London, CT | |
| Dennis McCarthy | mccart001den | 1901 | Painesville OH | Independent | Painesville, OH | ||
| Dennis McCarthy | mccart001den | 1901 | 7/22 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jack McCarthy | mccart003joh | 1901 | 86 g. | Cleveland | American League | Cleveland, OH | |
| Jack McCarthy | mccart004jac | 1901 | 9 g. | Denver Grizzlies | Western League | Denver, CO | |
| Jack McCarthy | mccart004jac | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Jack McCarthy | mccart004jac | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Jack McCarthy | mccart007jac | 1901 | 8/5 | Lewiston | New England League | Lewiston, ME | |
| Joe McCarthy | mccart004jos | 1901 | 5/1-10/13 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Joe McCarthy | mccart004jos | 1901 | Woodland | Northern California League | Woodland, MI | ||
| Mike McCarthy | mccart054--- | 1901 | 7/1-9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Pat McCauley | mccaul001pat | 1901 | 4/26-9/8 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Billy McCausland | mccaus001wil | 1901 | 38 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Bill McClafferty | mcclaf001--- | 1901 | 9/5-9/6 | Derby Angels | Connecticut State League | Derby, CT | |
| Node McClain | mcclai000nod | 1901 | Iola KS | Independent | Iola, KS | ||
| Albert? McClintock | 1901 | Jamestown NY | Independent | Jamestown, NY | |||
| Howard McClintock | mcclin001wil | 1901 | 7/26 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Charles McCloskey | mcclos002cha | 1901 | 5/3-9/21 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| John McCloskey | mcclos001joh | 1901 | 74 g. | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Harry McCloud | mcclou002har | 1901 | 5/16-7/4 | Manchester | New England League | Manchester, NH | |
| George McConnell | 1901 | Anderson | Independent | Anderson, SC | |||
| Jack McConnell | mcconn002joh | 1901 | 88 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| John McCord | mccord001joh | 1901 | 7/2-9/5 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Mike McCormack | mccorm003mic | 1901 | 5/4-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Barry McCormick | mccorm002wil | 1901 | 115 g. | Chicago | National League | Chicago, IL | |
| Jim McCormick | mccorm002jim | 1901 | 5/8-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Jim McCormick | mccorm002jim | 1901 | 7/12-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Peter McCormick | mccorm001p-- | 1901 | 4/26-4/27 | Columbus Senators | Western Association | Columbus, OH | |
| McCracken | mccrac003--- | 1901 | 6/13 | Middletown | Pennsylvania State League | Middletown, PA | |
| McCraney | mccran000--- | 1901 | 9/17-9/18 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Judge McCredie | mccred001wal | 1901 | 118 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Tom McCreery | mccree001tho | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| Charles McCullough | mccull001cha | 1901 | 5/17-9/6 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Jimmy McDade | mcdade001jam | 1901 | 4/16-6/14 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Jimmy McDade | mcdade001jam | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| Sandy McDermott | mcderm001san | 1901 | 5/1-6/6 | Umpire | Pacific Northwest League | , | |
| McDevitt | mcdevi002--- | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| Will McDevitt | mcdevi001wil | 1901 | 5/2-7/6 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Will McDevitt | mcdevi001wil | 1901 | 7/11-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Eddie McDill | mcdill001edw | 1901 | Arkansas City | Independent | Arkansas City, KS | ||
| Eddie McDill | mcdill001edw | 1901 | Fort Scott | Independent | Fort Scott, KS | ||
| McDonald | mcdona083--- | 1901 | 5/24-6/15 | New London Whalers | Connecticut State League | New London, CT | |
| Charles McDonald | mcdona004cha | 1901 | 37 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Edward McDonald | mcdona003edw | 1901 | 6/26-7/6 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Edward McDonald | mcdona003edw | 1901 | 8/7-8/18 | Umpire | New York State League | , | |
| Jim McDonald | mcdona003jim | 1901 | 5/1-10/13 | Umpire | Pacific Northwest League | , | |
| Patrick McDonald | 1901-03 | Wesleyan Univ. | College | , | |||
| Sandy McDougal | mcdoug002joh | 1901 | 7/12-9/6 | Cortland/Waverly | New York State League | Waverly, NY | |
| James McDowell | mcdowe002jam | 1901 | Springfield | Independent | Springfield, MO | ||
| A. McDyer | 1901 | Holy Cross | College | , | |||
| Barney McFadden | mcfadd001ber | 1901 | Villanova College | College | , | ||
| Barney McFadden | mcfadd001ber | 1901 | 29 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Barney McFadden | mcfadd001ber | 1901 | 4/24- | 8 g. | Cincinnati | National League | Cincinnati, OH |
| Fred McFall | mcfall001fre | 1901 | 4/26-8/8 | Toronto Royals | Eastern League | Toronto, ON | |
| Fred McFall | mcfall001fre | 1901 | 8/14-9/14 | Brockton B's | New England League | Brockton, MA | |
| Claude McFarlan | mcfarl002cla | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Claude McFarlan | mcfarl002cla | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Dan McFarlan | mcfarl002dan | 1901 | 5/11-7/30 | Montreal Royals | Eastern League | Montreal, QC | |
| Dan McFarlan | mcfarl002dan | 1901 | 8/6-9/20 | Rochester Bronchos | Eastern League | Rochester, NY | |
| McFarland | mcfarl022--- | 1901 | 7/19 | Selma Christians | Southern Association | Selma, AL | |
| Chappie McFarland | mcfarl002cha | 1901 | 7/12-9/6 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Ed McFarland | mcfarl002edw | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Herm McFarland | mcfarl001her | 1901 | 132 g. | Chicago | American League | Chicago, IL | |
| Monte McFarland | mcfarl001mon | 1901 | 4/27-7/16 | Marion Glass Blowers | Western Association | Marion, IN | |
| Monte McFarland | mcfarl001mon | 1901 | 8/12-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| William McGeary | mcgear001wil | 1901 | 5/16-6/14 | Easton | Pennsylvania State League | Easton, PA | |
| McGee | mcgee-015--- | 1901 | 6/20-6/22 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Connie McGeehan | mcgeeh001cor | 1901-03 | Holy Cross Col. | College | , | ||
| F.P. McGiffen | mcgiff001f-- | 1901 | 5/6-5/8 | New London Whalers | Connecticut State League | New London, CT | |
| F.P. McGiffen | mcgiff001f-- | 1901 | 6/8-6/12 | Easton | Pennsylvania State League | Easton, PA | |
| F.P. McGiffen | mcgiff001f-- | 1901 | 6/28-7/2 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| McGill | mcgill004--- | 1901 | 5/14-6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Charles McGill | mcgill002cha | 1901 | 5/3-5/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Charles McGill | mcgill002cha | 1901 | Jackson | Independent | Jackson, TN | ||
| Willie McGill | mcgill005wil | 1901 | 33 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Hugh McGilligan | mcgill001hug | 1901 | 5/2-5/12 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Jim McGinley | mcginl001jam | 1901 | 7/9-9/2 | Haverhill Hustlers | New England League | Haverhill, MA | |
| McGinnis | mcginn004--- | 1901 | 6/23-7/15 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Edward McGinnis | mcginn009--- | 1901 | 4/15-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Edward McGinnis | mcginn009--- | 1901 | 7/9-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Stoney McGlynn | mcglyn001uly | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Stoney McGlynn | mcglyn001uly | 1901 | Chester | Independent | Chester, PA | ||
| Terry McGovern | mcgove002ter | 1901 | 8/28 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Terry McGovern | mcgove002ter | 1901 | 8/29 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Terry McGovern | mcgove002ter | 1901 | 8/30 | New London Whalers | Connecticut State League | New London, CT | |
| John McGraw | mcgraw003joh | 1901 | Baltimore | American League | Baltimore, MD | ||
| Lawrence McGraw | mcgraw001law | 1901 | 6/20-9/8 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Eugene McGreevy | mcgree001eug | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Chick McGregor | mcgreg001--- | 1901 | 40 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Ted McGrew | mcgrew001har | 1901 | 5/2-7/24 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Ted McGrew | mcgrew001har | 1901 | 7/30-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Deacon McGuire | mcguir006jam | 1901 | Brooklyn | National League | Brooklyn, NY | ||
| Frank McGuire | mcguir001fra | 1901 | 5/2-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Jim McGuire | mcguir001jam | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| Jim McGuire | mcguir001jam | 1901 | 9/10-9/28 | Cleveland | American League | Cleveland, OH | |
| Murray McGuire | 1901 | U. of Virginia | College | , | |||
| Thomas McGuirk | mcguir004tho | 1901 | 5/4-5/13 | New London Whalers | Connecticut State League | New London, CT | |
| Bob McHale | mchale001bob | 1901 | 105 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Bob McHale | mchale001bob | 1901 | Denver Grizzlies | Western League | Denver, CO | ||
| Bob McHale | mchale001bob | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| John McIlvaine | mcilva003joh | 1901 | 5/2-6/22 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| John McInnes | mcinne001joh | 1901 | 5/4 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Harry McIntire | mcinti001joh | 1901 | 4/26-9/9 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Butch McIntyre | mcinty001cha | 1901 | 5/1-10/13 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Matty McIntyre | mcinty001mat | 1901 | 5/30-6/27 | Augusta | New England League | Augusta, ME | |
| Matty McIntyre | mcinty001mat | 1901 | 7/3- | 82 g. | Philadelphia | American League | Philadelphia, PA |
| Ed McKean | mckean001edw | 1901 | , | ||||
| McKeever | 1901 | 5/8-6/12 | Umpire | New York State League | , | ||
| Jimmy McKeever | mckeev001jam | 1901 | Umpire | Illinois-Indiana-Iowa League | , | ||
| McKenna | mckenn010--- | 1901 | 6/14, 8/12 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Kit McKenna | mckenn001kit | 1901 | 5/28-6/13 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Kit McKenna | mckenn001kit | 1901 | 6/20-6/24 | Indianapolis/Matthews Hoosiers | Western Association | Louisiana, MO | |
| McKenzie | 1901 | Case Tech | College | , | |||
| McKenzie | 1901 | 6/14- | Canton | Independent | Canton, OH | ||
| James McKevitt | mckevi001jam | 1901 | 5/2-5/12 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| James McKevitt | mckevi001jam | 1901 | 5/17-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Byron McKibben | mckibb001byr | 1901 | 77 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Edward McKinley | mckinl001edw | 1901 | 5/12-5/13 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| McKinney | mckinn017--- | 1901 | 8/8-8/9 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Bob McKinney | mckinn001rob | 1901 | 7/23, 8/2 | Philadelphia | American League | Philadelphia, PA | |
| McKoch | mckoch000--- | 1901 | 7/8 | Portland | New England League | Portland, ME | |
| McLaughlin | 1901 | 4/25-9/22 | Umpire | Western Association | , | ||
| Barney McLaughlin | mclaug003ber | 1901 | 5/15-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| George McLaughlin | mclaug003geo | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Michael McLaughlin | 1901 | Umpire | AA?? | , | |||
| Warren McLaughlin | mclaug001war | 1901 | Bangor | New England League | Bangor, ME | ||
| Warren McLaughlin | mclaug001war | 1901 | 6/10-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Larry McLean | mclean001joh | 1901 | 4/26- | 9 g. | Boston | American League | Boston, MA |
| Larry McLean | mclean001joh | 1901 | 8/21-9/14 | Worcester Quakers | Eastern League | Worcester, MA | |
| Sam McLean | mclean001fra | 1901 | Willimantic CT | Independent | Willimantic, CT | ||
| Sam McLean | mclean001fra | 1901 | 7/23-9/6 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Sam McLean | mclean001fra | 1901 | 6/6-6/13 | Derby Angels | Connecticut State League | Derby, CT | |
| Sam McLean | mclean001fra | 1901 | 7/16-7/24 | Derby Angels | Connecticut State League | Derby, CT | |
| Ralph McLevy | 1901 | Rich.-WestEnd | Independent | Richmond, VA | |||
| Sam McMackin | mcmack001sam | 1901 | 4/27-5/23 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Sam McMackin | mcmack001sam | 1901 | 5/17-5/23 | Marion Glass Blowers | Western Association | Marion, IN | |
| Sam McMackin | mcmack001sam | 1901 | 5/26-9/21 | Columbus Senators | Western Association | Columbus, OH | |
| McMahon | mcmaho015--- | 1901 | 5/21-5/30 | Norwich Witches | Connecticut State League | Norwich, CT | |
| McMahon | mcmaho016--- | 1901 | 6/20-6/22 | Nashua | New England League | Nashua, NH | |
| Frank McManus | mcmanu001fra | 1901 | 4/26-7/12 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Frank McManus | mcmanu001fra | 1901 | 7/29-9/14 | Brockton B's | New England League | Brockton, MA | |
| McMullin | mcmull012--- | 1901 | 5/5 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| McNalley | mcnall000--- | 1901 | 7/1-7/2 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Thomas McNally | mcnall001tho | 1901 | 5/30-6/27 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Bill McNamara | mcnama001wil | 1901 | Palmyra NY | Independent | Palmyra, NY | ||
| Bill McNamara | mcnama001wil | 1901 | 7/1-7/2 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Bill McNamara | mcnama001wil | 1901 | 7/17-7/30 | New London Whalers | Connecticut State League | New London, CT | |
| Thomas McNamara | 1901 | 5/2-6/1 | Umpire | Southern League | , | ||
| Harry McNeal | mcneal001joh | 1901 | 8/5-9/26 | Cleveland | American League | Cleveland, OH | |
| Hugh McNeeley | mcneel001har | 1901 | 36 g. | Denver Grizzlies | Western League | Denver, CO | |
| Hugh McNeeley | mcneel001har | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| McNeil | mcneil018--- | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Frank McNichols | mcnich001fra | 1901 | 24 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| McNulty | mcnult004--- | 1901 | 7/15 | Portland | New England League | Portland, ME | |
| Clyde McNutt | mcnutt001cly | 1901 | Twin City MI | Independent | Twin City, MI | ||
| Frank McPartlin | mcpart002fra | 1901 | 4/29-9/7 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Frank McPartlin | mcpart002fra | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| John McPherson | mcpher002joh | 1901 | 5/15-6/13 | Easton | Pennsylvania State League | Easton, PA | |
| John McPherson | mcpher002joh | 1901 | 7/12 | Philadelphia | American League | Philadelphia, PA | |
| John McPherson | mcpher002joh | 1901 | 8/7-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| William McPherson | mcpher002wil | 1901 | 5/23 | Lowell Tigers | New England League | Lowell, MA | |
| Matthew McPhilllips | mcphil001--- | 1901 | Manhattan College | College | , | ||
| Matthew McPhilllips | mcphil001--- | 1901 | 7/8-7/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| James McQuaid | mcquai001jam | 1901 | 5/8-9/7 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Mart McQuaid | mcquai001mor | 1901 | 11 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Mart McQuaid | mcquai001mor | 1901 | 7/20-8/11 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Mart McQuaid | mcquai001mor | 1901 | 8/17-9/18 | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Thomas McQuirk | 1901 | , | |||||
| McRae | mcrae-007--- | 1901 | 5/5 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Hugh McSharrog | mcshar001hug | 1901 | 5/23 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Hugh McSharrog | mcshar001hug | 1901 | 8/11-8/14 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| James McSorley | mcsorl001jam | 1901 | 7/27-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Ira McTeer | mcteer002--- | 1901 | +4/8+ | Furman Univ. | College | , | |
| Ira McTeer | mcteer002--- | 1901 | +6/17+ | Augusta | Independent | Augusta, GA | |
| Mattie McVicker | mcvick001mat | 1901 | 102 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Phil Meade | meade-001phi | 1901 | U. North Carolina | College | , | ||
| Phil Meade | meade-001phi | 1901 | 4/15- | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Phil Meade | meade-001phi | 1901 | -7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Phil Meade | meade-001phi | 1901 | 7/9-7/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Meader | meader000--- | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Pat Meaney | meaney002pat | 1901 | 4/25-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Jouett Meekin | meekin002jou | 1901 | 5/1-6/24 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Billy Mehl | mehl--001wil | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Kid Melcher | melche001--- | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| John Menefee | menefe001joh | 1901 | 48 g. | Chicago | National League | Chicago, IL | |
| Tom Menefee | menefe001tho | 1901 | 5/1-8/1 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Tom Menefee | menefe001tho | 1901 | Baker City | Independent | Baker City, OR | ||
| Win Mercer | mercer001geo | 1901 | 51 g. | Washington | American League | Washington, DC | |
| Elmer Meredith | meredi001elm | 1901 | 14 g. | Denver Grizzlies | Western League | Denver, CO | |
| Elmer Meredith | meredi001elm | 1901 | 10 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Richard Meredith | meredi001ric | 1901 | 8/2 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Bill Merritt | merrit001bil | 1901 | 5/15-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| George Merritt | merrit002geo | 1901 | 5/9-9/2 | Utica Pentups | New York State League | Utica, NY | |
| George Merritt | merrit002geo | 1901 | 9/6- | 4 g. | Pittsburgh | National League | Pittsburgh, PA |
| Sam Mertes | mertes001sam | 1901 | 137 g. | Chicago | American League | Chicago, IL | |
| Lew Mertz | mertz-000lew | 1901 | 6/1-6/2 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Samuel Meserve | meserv001sam | 1901 | 8/14-9/2 | Lewiston | New England League | Lewiston, ME | |
| Tom Messitt | messit001tom | 1901 | 64 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Monte Method | method001bel | 1901 | 7/20-8/28 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Lewis Metz | metz--001lou | 1901 | 5/21-5/23 | Augusta | New England League | Augusta, ME | |
| Charles Meyers | meyers003cha | 1901 | 5/2-6/22 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Charlie Middleton | middle002cha | 1901 | 5/15-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Eddie Miles | miles-001edw | 1901 | 6/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Eddie Miles | miles-001edw | 1901 | Homestead | Independent | Homestead, PA | ||
| Eddie Miles | miles-001edw | 1901 | 7/20-8/1 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Miller | miller215--- | 1901 | 6/4 | Ilion Typewriters | New York State League | Ilion, NY | |
| Miller | 1901 | Yale Univ. | College | , | |||
| Al Miller | miller003alb | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Charles Miller | miller032cha | 1901 | 5/2-7/28 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Charles Miller | miller032cha | 1901 | 8/7-8/9 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Chris Miller | miller002chr | 1901 | 5/2-5/13 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Dusty Miller | miller004cha | 1901 | 4/25-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Dusty Miller | miller001dak | 1901 | 120 g. | Kansas City Blues | Western League | Kansas City, MO | |
| George Miller | miller005geo | 1901 | 4/24-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Hank Miller | 1901 | Appleton | Wisconsin State League | Appleton, WI | |||
| Jim Miller | miller016jam | 1901 | 5/8-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Jim Miller | miller016jam | 1901 | 9/9-9/30 | New York | National League | New York, NY | |
| Joe Miller | miller009joe | 1901 | 5/8-5/18 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Joe Miller | miller009joe | 1901 | 5/29-9/23 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Kohly Miller | miller001koh | 1901 | 4/25-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Pete Miller | miller001pet | 1901 | no g. | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Ralph Miller | miller007ral | 1901 | 5/20-9/7 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Roscoe Miller | miller001ros | 1901 | 38 g. | Detroit | American League | Detroit, MI | |
| William Miller | miller027wil | 1901 | 8/2 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Pat Millerick | miller002pat | 1901 | 5/8-9/7 | Albany Senators | New York State League | Albany, NY | |
| Mike Millett | millet001mic | 1901 | 5/5-5/17 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Mike Millett | millet001mic | 1901 | 6/2 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Milligan | millig009--- | 1901 | 7/25-7/29 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Billy Milligan | millig002wil | 1901 | 4/30- | 7 g. | Philadelphia | American League | Philadelphia, PA |
| Sam Mills | mills-001sam | 1901 | 6/1-6/29 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Willie Mills | mills-004wil | 1901 | 5/8-7/8 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Willie Mills | mills-004wil | 1901 | 7/13-7/17 | New York | National League | New York, NY | |
| Willie Mills | mills-004wil | 1901 | 8/2-8/14 | Canton | Northern New York League | Canton, NY | |
| Willie Mills | mills-004wil | 1901 | 8/17-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Larry Milton | milton001sam | 1901 | 4 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Larry Milton | milton001sam | 1901 | 6/7-9/7 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Jack Miran | miran-001joh | 1901 | 5/7-6/26 | Derby Angels | Connecticut State League | Derby, CT | |
| Jack Miran | miran-001joh | 1901 | 7/30-8/29 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Mitchell | mitche070--- | 1901 | 6/23 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Mitchell | mitche069--- | 1901 | 7/2-7/9 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Fred Mitchell | mitche005fre | 1901 | 4/27- | 20 g. | Boston | American League | Boston, MA |
| Homer Mock | mock--001hom | 1901 | 5/4-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Kid Mohler | mohler001kid | 1901 | 106 g. | Denver Grizzlies | Western League | Denver, CO | |
| Kid Mohler | mohler001kid | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Carlton Molesworth | molesw001car | 1901 | 5/8-5/11 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Carlton Molesworth | molesw001car | 1901 | 5/12-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Carlton Molesworth | molesw001car | 1901 | 7/22-9/23 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Montgomery | montgo016--- | 1901 | 7/20 | Selma Christians | Southern Association | Selma, AL | |
| Roy Montgomery | montgo001roy | 1901 | 5/2-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Moore | moore-158--- | 1901 | 6/29 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Moore | moore-062--- | 1901 | 7/11-9/24 | Selma Christians | Southern Association | Selma, AL | |
| Moore | moore-157--- | 1901 | New London Whalers | Connecticut State League | New London, CT | ||
| Carl Moore | moore-007car | 1901 | Arkansas City | Independent | Arkansas City, AR | ||
| Earl Moore | moore-001ear | 1901 | 31 g. | Cleveland | American League | Cleveland, OH | |
| Ed Moore | moore-002ed- | 1901 | Exeter NE | Independent | Exeter, NE | ||
| Edward Moore | moore-001edw | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Mose Moore | moore-001edw | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Shef Moore | moore-001s-- | 1901 | 5/15-7/6 | Nashua | New England League | Nashua, NH | |
| Wade Moore | moore-001wad | 1901 | Kansas St. Univ | College | , | ||
| Moran | moran-038--- | 1901 | 5/15-5/21 | Nashua | New England League | Nashua, NH | |
| Charles Moran | moran-003cha | 1901 | Georgetown Col. | College | , | ||
| Charles Moran | moran-003cha | 1901 | 7/2-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| John Moran | moran-001joh | 1901 | 5/16-6/27 | Augusta | New England League | Augusta, ME | |
| John Moran | moran-001joh | 1901 | 7/1-8/21 | Derby Angels | Connecticut State League | Derby, CT | |
| Mark Moran | moran-002mar | 1901 | 2 g. | Park City | Inter-Mountain League | Park City, UT | |
| Pat Moran | moran-002pat | 1901 | Boston | National League | Boston, MA | ||
| Morgan | morgan059--- | 1901 | 7/1 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Morgan | morgan060--- | 1901 | 7/16-7/20 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Cy Morgan | morgan003har | 1901 | 6/2-6/9 | Ilion Typewriters | New York State League | Ilion, NY | |
| Ezra Morgan | morgan001ezr | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Red Morgan | morgan003jam | 1901 | 7/2-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Moriarty | moriar013--- | 1901 | 6/3 | Lewiston | New England League | Lewiston, ME | |
| Moriarty | moriar013--- | 1901 | 6/5 | Bangor | New England League | Bangor, ME | |
| Ed Moriarty | moriar001edw | 1901 | 8/13 | New London Whalers | Connecticut State League | New London, CT | |
| Ed Moriarty | moriar001edw | 1901 | 8/21-9/5 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| George Moriarty | moriar003geo | 1901 | 5/2-8/21 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| George Moriarty | moriar003geo | 1901 | 8/27-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Morris | morris103--- | 1901 | 5/6-5/15 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Morris | morris016--- | 1901 | 5/24 | Reading | Pennsylvania State League | Reading, PA | |
| Morris | morris104--- | 1901 | 8/10 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Kid Morris | morris010wil | 1901 | 5/2-5/19 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Kid Morris | morris010wil | 1901 | 6/6-6/20 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Bill Morrison | morris008wil | 1901 | 5 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| John Morrison | morris014joh | 1901 | 4/26-5/3 | Worcester Quakers | Eastern League | Worcester, MA | |
| John Morrison | morris014joh | 1901 | 5/6-6/6 | Meriden Miler | Connecticut State League | Meriden, CT | |
| John Morrison | morris014joh | 1901 | 6/8-7/2 | Worcester Quakers | Eastern League | Worcester, MA | |
| John Morrison | morris014joh | 1901 | 7/5-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Frank Morrissey | morris003mic | 1901 | 4/15-7/4 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Frank Morrissey | morris003mic | 1901 | 7/13 | Boston | American League | Boston, MA | |
| Frank Morrissey | morris003mic | 1901 | 7/22-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| William Morrow | morrow002wil | 1901 | 20 g. | Denver Grizzlies | Western League | Denver, CO | |
| William Morrow | morrow002wil | 1901 | 27 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Charles Morse | morse-001cha | 1901 | 4/27-5/20 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Charles Morse | morse-001cha | 1901 | 6/11-7/4 | Lewiston | New England League | Lewiston, ME | |
| Jake Morse | 1901 | Portland | New England League | , | |||
| W. H. Morton | 1901 | +6/6+ | Kinston NC | Independent | Kinston, NC | ||
| W. H. Morton | 1901 | 6/25 | Tarboro Tartars | North Carolina League | Tarboro, NC | ||
| H.M. Moser | moser-001h-- | 1901 | 4/28-5/19 | Ogden | Inter-Mountain League | Ogden, UT | |
| Henry Moses | moses-000hen | 1901 | 7/9 | Ilion Typewriters | New York State League | Ilion, NY | |
| Doc Moskiman | moskim001wil | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Charles Moss | moss--003cha | 1901 | 5/2-8/23 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Frank Motz | motz--001fra | 1901 | Akron Police | Independent | Akron, OH | ||
| Mulholland | mulhol001--- | 1901 | 6/19 | Lewiston | New England League | Lewiston, ME | |
| Cy Mulkey | mulkey001cyr | 1901 | 5/2-6/29 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Cy Mulkey | mulkey001cyr | 1901 | 7/11-8/16 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Frank Mullane | mullan001fra | 1901 | +6/5-8/9+ | Cavalier | North Dakota League | , ND | |
| Frank Mullane | mullan001fra | 1901 | +9/4+ | 4 g. | Minneapolis Millers | Western League | Minneapolis, MN |
| Tony Mullane | mullan001ton | 1901 | 4/26-9/22 | Umpire | Western Association | , | |
| Dominic Mullaney | mullan002dom | 1901 | 4/25-6/20 | Columbus Senators | Western Association | Columbus, OH | |
| Dominic Mullaney | mullan002dom | 1901 | 6/30-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Ed Mullaney | mullan001edw | 1901 | 5/15-8/29 | Lewiston | New England League | Lewiston, ME | |
| Jim Mullen | mullin001jam | 1901 | Manhattan Col | College | , | ||
| Jim Mullen | mullin001jam | 1901 | 7/2-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Max Muller | muller002max | 1901 | 5/1-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| George Mullin | mullin001geo | 1901 | 4/27-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| John Mullin | mullin001joh | 1901 | 4/15-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| John Mullin | mullin001joh | 1901 | 7/10-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Michael Mullin | mullen001mic | 1901 | 5/10-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Michael Mullin | mullen001mic | 1901 | 7/16-8/3 | Cortland/Waverly | New York State League | Waverly, NY | |
| Mullins | mullin018--- | 1901 | 6/17 | Derby Angels | Connecticut State League | Derby, CT | |
| M.V. Munley | munley001m-- | 1901 | Villanova Col. | College | , | ||
| M.V. Munley | munley001m-- | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Wilbur Murdoch | murdoc001wil | 1901 | 5/17-6/30 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Wilbur Murdoch | murdoc001wil | 1901 | 7/23-10/13 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Tim Murnane | murnan001tim | 1901 | President | New England League | , | ||
| Murphy | murphy127--- | 1901 | 7/20 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Murphy | 1901 | 7/10-7/25 | Umpire | New York State League | , | ||
| Danny Murphy | murphy006dan | 1901 | 5/11-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Dave Murphy | murphy001dav | 1901 | 5/4-6/12 | New London Whalers | Connecticut State League | New London, CT | |
| Dave Murphy | murphy001dav | 1901 | 6/13-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Ed Murphy | murphy005edw | 1901 | 23 g. | St. Louis | National League | St. Louis, MO | |
| Frank Murphy | murphy004fra | 1901 | 5/21-7/1 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Frank Murphy | murphy004fra | 1901 | 7/2- | 45 g. | Boston | National League | Boston, MA |
| Frank Murphy | murphy004fra | 1901 | - 10/5 | 35 g. | New York | National League | New York, NY |
| John Murphy | murphy015joh | 1901 | 5/15-9/2 | Portland | New England League | Portland, ME | |
| Thomas Murphy | murphy001tho | 1901 | 5/30-9/2 | Manchester | New England League | Manchester, NH | |
| Yale Murphy | murphy001yal | 1901 | 5/13-5/21 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Murray | murray033--- | 1901 | 5/13-5/14 | Cortland/Waverly | New York State League | Cortland, NY | |
| Murray | 1901 | 9/12-9/25 | Umpire | Southern League | , | ||
| Billy Murray | murray007wil | 1901 | 4/26-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Jim Murray | murray008jam | 1901 | 4/15-6/18 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Jim Murray | murray008jam | 1901 | 6/24-7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Jim Murray | murray008jam | 1901 | 7/9-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Frank Muthersbaugh | mutter000fh- | 1901 | 5/15 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Bade Myers | myers-002wil | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Bert Myers | myers-001ber | 1901 | 4/26-6/5 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Bert Myers | myers-001ber | 1901 | 6/19-6/24 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Myles | myles-000--- | 1901 | 8/31 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Tommy Mylett | mylett002tho | 1901 | no g. | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Tommy Mylett | mylett002tho | 1901 | +6/16+ | Canton | Independent | Canton, OH | |
| Tommy Mylett | mylett002tho | 1901 | +6/24 | Painesville OH | Independent | Painesville, OH | |
| Tommy Mylett | mylett002tho | 1901 | 6/26-7/28 | Columbus Senators | Western Association | Columbus, OH | |
| Tommy Mylett | mylett002tho | 1901 | 8/10-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Nadeau | nadeau000--- | 1901 | 8/3 | Lewiston | New England League | Lewiston, ME | |
| Phil Nadeau | nadeau001phi | 1901 | 5/8-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Phil Nadeau | nadeau001phi | 1901 | 7/12-8/13 | Cortland/Waverly | New York State League | Waverly, NY | |
| Phil Nadeau | nadeau001phi | 1901 | 8/16-8/17 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Phil Nadeau | nadeau001phi | 1901 | 8/19-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Nagle | 1901 | Utah League | , | ||||
| Judge Nagle | nagle-002wal | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Paul Nagle | nagle-001lef | 1901 | 5/3-5/24 | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Paul Nagle | nagle-001lef | 1901 | 28 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| William Nance | nance-001wil | 1901 | - 9/28 | 122 g. | Detroit | American League | Detroit, MI |
| Billy Nattress | nattre001wil | 1901 | 4/25-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Tom Needham | needha001tho | 1901 | DuBois PA | Independent | Dubois, PA | ||
| Tom Needham | needha001tho | 1901 | 8/2-8/31 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Tom Needham | needha001tho | 1901 | 9/13-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| George Neef | neef--000geo | 1901 | Kingston | Canadian League | Kingston, ON | ||
| Nehl | nehl--000--- | 1901 | 8/1 | New London Whalers | Connecticut State League | New London, CT | |
| Nelson | nelson042--- | 1901 | 7/19 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Nelson | nelson042--- | 1901 | 8/24-8/29 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Nelson | nelson043--- | 1901 | 7/13 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Nelson | nelson044--- | 1901 | 8/22 | Derby Angels | Connecticut State League | Derby, CT | |
| George Nelson | nelson002geo | 1901 | 5/15-7/16 | Bangor | New England League | Bangor, ME | |
| Henry Nelson | nelson001hen | 1901 | 4/15-5/4 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Ray Nelson | nelson001ray | 1901 | 5/6-8/16 | New York | National League | New York, NY | |
| Harry Nevers | nevers001har | 1901 | 6/18-9/2 | Lewiston | New England League | Lewiston, ME | |
| Mike Neville | nevill001mic | 1901 | 5/25-5/26 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Mike Neville | nevill001mic | 1901 | 5/30-6/5 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Horace Newenham | newenh001hor | 1901 | Colby College | College | , | ||
| Horace Newenham | newenh001hor | 1901 | 6/22-8/26 | Portland | New England League | Portland, ME | |
| Horace Newenham | newenh001hor | 1901 | 9/6-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Newman | newman027--- | 1901 | 8/16-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Harry Newmeyer | newmey001har | 1901 | 19 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Harry Newmeyer | newmey001har | 1901 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | ||
| Harry Newmeyer | newmey001har | 1901 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | ||
| Tom News | news--001tho | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| Tom News | news--001tho | 1901 | 6/26-9/6 | Columbus Senators | Western Association | Columbus, OH | |
| Albert Newton | newton001alb | 1901 | Lestershire NY | Independent | Lestershire, NY | ||
| Doc Newton | newton001eus | 1901 | 20 g. | Cincinnati | National League | Cincinnati, OH | |
| Doc Newton | newton001eus | 1901 | 13 g. | Brooklyn | National League | Brooklyn, NY | |
| J.L. Newton | newton002j-- | 1901 | 5/8-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Simon Nicholls | nichol001sim | 1901-03 | U. of Maryland | College | , | ||
| Art Nichols | nichol001art | 1901 | St. Louis | National League | St. Louis, MO | ||
| Bill Nichols | nichol001bil | 1901 | 8/1-9/2 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Joe Nichols | nichol005jos | 1901 | 5/13-6/14 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Kid Nichols | nichol006cha | 1901 | Boston | National League | Boston, MA | ||
| Walt Nichols | nichol001w-- | 1901 | Bangor | New England League | Bangor, ME | ||
| Nicholson | 1901 | 7/19 | Grand Rapids | Western League | Grand Rapids, MI | ||
| George Nicol | nicol-001geo | 1901 | Grand Rapids | Western League | Grand Rapids, MI | ||
| Hugh Nicol | nicol-001hug | 1901 | 5/2-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Tom Niland | niland001tom | 1901 | +7/27+ | Attleboro | Independent | Attleboro, MA | |
| Bill Niles | niles-001bil | 1901 | 5/25-6/18 | Columbus Senators | Western Association | Columbus, OH | |
| Bill Niles | niles-001bil | 1901 | 7/1-7/12 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Bill Niles | niles-001bil | 1901 | 7/18-7/20 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| George Nill | nill--001geo | 1901 | 5/2-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| George Noblit | noblit001geo | 1901 | 5/20-6/3 | Chester | Pennsylvania State League | Chester, PA | |
| George Noblit | noblit001geo | 1901 | +8/9+ | Chester | Independent | Chester, PA | |
| Nolan | nolan-020--- | 1901 | 7/26-9/2 | Derby Angels | Connecticut State League | Derby, CT | |
| Nolan | nolan-033--- | 1901 | 6/27 | Rome Romans | New York State League | Rome, NY | |
| Nolan | nolan-033--- | 1901 | 7/9 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Jack Nolan | nolan-000jac | 1901 | 6/3 | Manchester | New England League | Manchester, NH | |
| Joe Nonemaker | nonama001jos | 1901 | 6/23-7/30 | Marion Glass Blowers | Western Association | Marion, IN | |
| William Noonan | noonan001wil | 1901 | 5/2-8/13 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| William Noonan | noonan001wil | 1901 | 8/29-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Jerry Nops | nops--001jer | 1901 | Baltimore | American League | Baltimore, MD | ||
| Frank Norcom | norcom001fra | 1901 | 5/2-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Lou Nordyke | nordyk001lou | 1901 | 156 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Arthur Noyes | noyes-001art | 1901 | 5/8-5/9 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Harry Noyes | noyes-001har | 1901 | Whitinsville MA | Independent | Whitinsville, MA | ||
| Harry Noyes | noyes-001har | 1901 | 5/25-6/4 | Worcester Quakers | Eastern League | Worcester, MA | |
| Harry Noyes | noyes-001har | 1901 | 6/6 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Harry Noyes | noyes-001har | 1901 | 6/17-8/14 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Harry Noyes | noyes-001har | 1901 | 8/24-8/26 | Worcester Quakers | Eastern League | Worcester, MA | |
| Harry Noyes | noyes-001har | 1901 | 9/2-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Dennis O'Brian | obrian000den | 1901 | 8/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| O'Brien | 1901 | 4/25-5/5 | Montreal Royals | Eastern League | Montreal, QC | ||
| O'Brien | 1901 | 7/17-8/19 | Marion Glass Blowers | Western Association | Marion, IN | ||
| O'Brien | 1901 | 8/13 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | ||
| O'Brien | 1901 | 5/5 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | ||
| O'Brien | 1901 | 6/5-6/6 | Nashua | New England League | Nashua, NH | ||
| Boxer O'Brien | obrien069--- | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| Boxer O'Brien | obrien000box | 1901 | 7/4 | Utica Pentups | New York State League | Utica, NY | |
| Boxer O'Brien | obrien000box | 1901 | 7/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Buck O'Brien | obrien005tho | 1901-06 | Brockton Walkover Shoe | Brockton, MA | |||
| Frank O'Brien | 1901 | P.AndoverAcad | High School | , | |||
| Frank O'Brien | 1901 | 8/1-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | ||
| George O'Brien | obrien001geo | 1901 | 5/15-7/6 | Portland | New England League | Portland, ME | |
| Jack O'Brien | obrien005joh | 1901 | 11 g. | Washington | American League | Washington, DC | |
| Jack O'Brien | obrien005joh | 1901 | 92 g. | Cleveland | American League | Cleveland, OH | |
| Jack O'Brien | obrien013joh | 1901 | 5/8-8/3 | Albany Senators | New York State League | Albany, NY | |
| Jack O'Brien | 1901 | 7/11-8/25 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | ||
| James O'Brien | obrien004jam | 1901 | 5/4-8/3 | Derby Angels | Connecticut State League | Derby, CT | |
| James O'Brien | obrien004jam | 1901 | 8/6-9/6 | New Haven Blues | Connecticut State League | New Haven, CT | |
| John O'Brien | obrien009joh | 1901 | 110 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Patrick O'Brien | 1901 | 8/20-8/23 | Manchester | New England League | Manchester, NH | ||
| Pete O'Brien | obrien001pet | 1901 | 5/8-5/26 | Cortland/Waverly | New York State League | Cortland, NY | |
| Pete O'Brien | obrien001pet | 1901 | 6/5-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Pete O'Brien | obrien001pet | 1901 | 9/17- | 16 g. | Cincinnati | National League | Cincinnati, OH |
| Thomas O'Brien | 1901 | 5/4-5/18 | Marion Glass Blowers | Western Association | Marion, IN | ||
| Tom O'Brien | obrien001tom | 1901 | 5/9-8/5 | Albany Senators | New York State League | Albany, NY | |
| Andrew O'Connell | 1901 | 5/2-5/7 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | ||
| Andrew O'Connell | 1901 | 5/9-5/26 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | ||
| Jack O'Connell | 1901 | Umpire | California League | , | |||
| Jack O'Connell | 1901 | 6/13-10/13 | Umpire | Pacific Northwest League | , | ||
| John O'Connell | oconne003joh | 1901 | 84 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| John O'Connell | oconne003joh | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| O'Connor | oconno040--- | 1901 | 5/4-5/6 | Meriden Miler | Connecticut State League | Meriden, CT | |
| O'Connor | oconno041--- | 1901 | 5/22-6/3 | New London Whalers | Connecticut State League | New London, CT | |
| Jack O'Connor | oconno006joh | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Paddy O'Connor | oconno004pat | 1901 | 8/14-9/6 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Artie O'Dea | odea--001art | 1901 | North Dakota League | , | |||
| Daniel O'Dell | 1901 | 9/2-9/3 | Derby Angels | Connecticut State League | Derby, CT | ||
| Hal O'Hagan | ohagen001har | 1901 | 4/25-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Joseph O'Halloran | 1901 | +5/16+ | Phila.-Enquirer | Independent | Philadelphia, PA | ||
| O'Hara | ohara-018--- | 1901 | 8/12 | Ilion Typewriters | New York State League | Ilion, NY | |
| O'Hara | ohara-018--- | 1901 | 8/19 | Cortland/Waverly | New York State League | Waverly, NY | |
| O'Hara | ohara-018--- | 1901 | 9/6-9/9 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Kid O'Hara | ohara-001jam | 1901 | Troy Washerwomen/Trojans | New York State League | Troy, NY | ||
| Charley O'Leary | oleary001cha | 1901 | 115 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Daniel O'Leary | oleary001dan | 1901 | 5/2-5/17 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Daniel O'Leary | oleary001dan | 1901 | Keokuk | Keokuk, IA | |||
| Francis O'Loughlin | olough001sil | 1901 | 4/25-9/21 | Umpire | Eastern League | , | |
| O'Neil | 1901 | 5/11-5/21 | Umpire | Eastern League | , | ||
| O'Neil | 1901 | 7/12-9/7 | Cortland/Waverly | New York State League | Waverly, NY | ||
| Harry O'Neil | oneil-000har | 1901 | 5/15-8/31 | Haverhill Hustlers | New England League | Haverhill, MA | |
| James O'Neil | 1901 | Cortland/Waverly | New York State League | Waverly, NY | |||
| Jack O'Neill | oneill008joh | 1901 | 5/8-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Joseph O'Neill | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | ||
| Mike O'Neill | oneill002mic | 1901 | Villanova | College | , | ||
| Mike O'Neill | oneill002mic | 1901 | 6/18-9/14 | Montreal Royals | Eastern League | Montreal, QC | |
| Mike O'Neill | oneill002mic | 1901 | 8/1 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Mike O'Neill | oneill002mic | 1901 | 9/20- | 6 g. | St. Louis | National League | St. Louis, MO |
| Frank O'Reagan | oreaga001fra | 1901 | Aberdeen | Independent | Aberdeen, SD | ||
| Thomas O'Reilly | oreill001tho | 1901 | Worc.-Catholic | Amateur | Worcester, MA | ||
| Thomas O'Reilly | oreill001tho | 1901 | 7/9-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| O'Rourke | 1901 | 6/27 | Nashua | New England League | Nashua, NH | ||
| O'Rourke | 1901 | 7/30-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | ||
| Jack O'Rourke | 1901 | 6/4 | Bristol Bell Makers | Connecticut State League | Bristol, CT | ||
| Jim O'Rourke | orourk003jam | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Jimmy O'Rourke | orourk005jam | 1901 | Yale University | College | , | ||
| Tim O'Rourke | orourk003tim | 1901 | 5/2-9/22 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Timothy O'Rourke | 1901 | 32 g. | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | ||
| Patrick? O'Toole | 1901 | 5/15-7/6 | Lewiston | New England League | Lewiston, ME | ||
| Tony Odegard | odegar001--- | 1901 | +8/12+ | Minn.-Hamm Brewing | Independent | Minneapolis, MN | |
| Oden | oden--000--- | 1901 | 5/9 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Fred Odwell | odwell001fre | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Oliver | oliver004--- | 1901 | 8/28 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Cornelius Ollre | 1901-04 | 03: +4/5-6/19+ | Hous.-Cawthons | Independent | Houston, TX | ||
| Reginald Ollre | ollre-001rox | 1901-04 | 03: +4/5-6/19+ | Hous.-Cawthons | Independent | Houston, TX | |
| Walter Orbin | orbin-000wal | 1901 | U. Pennsylvania | College | , | ||
| Champ Osteen | osteen001jam | 1901 | 4/30- | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Champ Osteen | osteen001jam | 1901 | -6/19 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Ottman | ottina001--- | 1901 | 4/15-4/16 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Jim Outcalt | outcal001jam | 1901 | 5/12-6/11 | Marion Glass Blowers | Western Association | Marion, IN | |
| Benjamin Owen | 1901 | U. of Michigan | College | , | |||
| Benjamin Owen | 1901 | Fort Scott | Independent | Fort Scott, KS | |||
| Frank Owen | owen--001fra | 1901 | 4/26- | 8 g. | Detroit | American League | Detroit, MI |
| Owens | owens-025--- | 1901 | 7/4-7/31 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Owens | owens-025--- | 1901 | 8/6-8/9 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Arthur Owens | owens-001art | 1901 | 5/5-6/15 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Arthur Owens | owens-001art | 1901 | 8/1-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Red Owens | owens-003tho | 1901 | 5/4-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Ed Pabst | pabst-001ed- | 1901 | 152 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Russ Pace | pace--001c-- | 1901 | 11 g. | Salt Lake City | Inter-Mountain League | , | |
| Dick Padden | padden001ric | 1901 | 123 g. | St. Louis | National League | St. Louis, MO | |
| Billy Page | page--001wil | 1901 | 5/22-6/26 | Nashua | New England League | Nashua, NH | |
| George Page | page--003geo | 1901 | ? LA | Independent | , LA | ||
| Jack Page | page--002joh | 1901 | Milton | North Dakota League | Milton, ND | ||
| Allie Paige | paige-002alb | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Allie Paige | paige-002alb | 1901 | 6/19 | Reading | Pennsylvania State League | Reading, PA | |
| William Palmer | palmer003wil | 1901 | Clarkson Tech | College | , | ||
| William Palmer | palmer003wil | 1901 | 7/2-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| John Pappalau | pappal001joh | 1901 | 4/27-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Al Pardee | pardee001alb | 1901 | 4/25-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Freddy Parent | parent001fre | 1901 | Boston | American League | Boston, MA | ||
| Parker | parker072--- | 1901 | 5/15-6/10 | Lowell Tigers | New England League | Lowell, MA | |
| Harley Parker | parker001har | 1901 | Cincinnati | National League | Cincinnati, OH | ||
| Harley Parker | parker001har | 1901 | 5/20-5/30 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Harley Parker | parker001har | 1901 | 8/3-9/5 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jay Parker | parker002jay | 1901 | no g. | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Jay Parker | parker002jay | 1901 | 37 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Roy Parker | parker002roy | 1901 | U. of Illinois | College | , | ||
| Tom Parrott | parrot002tho | 1901 | 5/3-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| William Parsons | parson007wil | 1901 | 5/15-5/27 | Portland | New England League | Portland, ME | |
| Jim Partridge | partri001j-- | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| William Partridge | partri001wil | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| Bones Parvin | parvin001fra | 1901 | 38 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Bones Parvin | parvin001fra | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Tony Pastor | pastor001hen | 1901 | 6/27-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Harry Pattee | pattee001har | 1901-06 | Brown Univ. | College | , | ||
| Harry Pattee | pattee001har | 1901 | 6/22-6/28 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Harry Pattee | pattee001har | 1901 | 7/2-8/29 | Malone | Northern New York League | Malone, NY | |
| Roy Patterson | patter001roy | 1901 | Chicago | American League | Chicago, IL | ||
| Will Pattison | pattis001w-- | 1901 | 6/24-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| William Payne | payne-001wil | 1901 | 6/5-8/3 | Omaha Omahogs | Western League | Omaha, NE | |
| William Payne | payne-001wil | 1901 | 8/12-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Pearson | pearso014--- | 1901 | 9/18 | Toronto Royals | Eastern League | Toronto, ON | |
| Charley Pease | pease-001cha | 1901 | no g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Charley Pease | pease-001cha | 1901 | no g. | Toronto Royals | Eastern League | Toronto, ON | |
| Walter Pease | pease-001wal | 1901 | 5/5-6/3 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Walter Pease | pease-001wal | 1901 | 6/8-6/19 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Walter Pease | pease-001wal | 1901 | 7/4-9/8 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| James Pechold | pechol000jam | 1901 | 5/30-6/1 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Peddicord | 1901 | 5/23 | Rome Romans | New York State League | Rome, NY | ||
| William Peeples | peeple001wil | 1901 | 5/1-6/13 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| William Peeples | peeple001wil | 1901 | 6/16-10/12 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Heinie Peitz | peitz-001hen | 1901 | 82 g. | Cincinnati | National League | Cincinnati, OH | |
| Robert Peltz | peltz-000rob | 1901 | 7/2 | Derby Angels | Connecticut State League | Derby, CT | |
| Bob Pender | pender001rob | 1901 | 5/2-9/22+ | Selma Christians | Southern Association | Selma, AL | |
| G. Pennington | pennin001--- | 1901 | 6/24-7/3 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Purdy Perdy | perdy-001pur | 1901 | 6/13-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Fred Perkins | perkin001fre | 1901 | Norristown PA | Independent | Norristown, PA | ||
| John Perrine | perrin002joh | 1901 | Nevada MO | Independent | Nevada, MO | ||
| Perry | perry-041--- | 1901 | 6/22-6/28 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Dutch Persch | persch001abn | 1901 | +6/30+ | Leavenworth KS | Independent | Leavenworth, KS | |
| Eddie Persons | person001edw | 1901 | 4/15-7/5 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Eddie Persons | person001edw | 1901 | 7/9-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Earl Persse | persse000ear | 1901 | Potsdam Normal | College | , | ||
| Earl Persse | persse000ear | 1901 | 7/1-8/1 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Earl Persse | persse000ear | 1901 | 8/12-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Ed Peters | peters002ed- | 1901 | 8/?-9/25 | Selma Christians | Southern Association | Selma, AL | |
| Dave Peterson | 1901-03 | 4/30- | Bethany College | College | , | ||
| George Pfanmiller | pfanmi001geo | 1901 | 4/29-7/21 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| George Pfanmiller | pfanmi001geo | 1901 | 7/26-9/14 | Brockton B's | New England League | Brockton, MA | |
| Dan Pfenninger | pfenni001dan | 1901 | 5/11-8/17 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Jack Pfiester | pfiest001joh | 1901 | 5/12-7/23 | Marion Glass Blowers | Western Association | Marion, IN | |
| Jack Pfiester | pfiest001joh | 1901 | 8/24-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Christ Pfrom | pfrom-001chr | 1901 | no g. | Reading | Pennsylvania State League | Reading, PA | |
| Dick Phelan | phelan001dic | 1901 | New Orl.- | City League | New Orleans, LA | ||
| Thomas Phelan | 1901 | 6/16-6/28 | Umpire | New York State League | , | ||
| Ed Phelps | phelps002edw | 1901 | 4/29-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Phillips | philli058--- | 1901 | 5/10-6/11 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Phillips | philli057--- | 1901 | 7/19-7/27 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Phillips | philli057--- | 1901 | 7/29-7/30 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Bill Phillips | philli005wil | 1901 | 41 g. | Cincinnati | National League | Cincinnati, OH | |
| Bill Phyle | phyle-002wil | 1901 | 25 g. | New York | National League | New York, NY | |
| Wiley Piatt | piatt-001wil | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| Wiley Piatt | piatt-001wil | 1901 | Chicago | American League | Chicago, IL | ||
| Ollie Pickering | picker001oli | 1901 | 137 g. | Cleveland | American League | Cleveland, OH | |
| Dave Pickett | picket003dav | 1901 | 5/8-9/7 | Utica Pentups | New York State League | Utica, NY | |
| Charles Piepho | piepho001c-- | 1901 | Goss Bros | Louisville City League | Louisville, KY | ||
| Fred Pilcher | pilche001fre | 1901 | +7/9+ | Jefferson CityMO | Independent | Jefferson City, MO | |
| Frank Pingree | pingre000fra | 1901 | 8/23 | Haverhill Hustlers | New England League | Haverhill, MA | |
| George Pingree | pingre001geo | 1901 | Dartmouth Col. | College | , | ||
| George Pingree | pingre001geo | 1901 | 6/15-7/12 | Rome Romans | New York State League | Rome, NY | |
| George Pingree | pingre001geo | 1901 | 7/22 | Rome Romans | New York State League | Rome, NY | |
| George Pingree | pingre001geo | 1901 | 7/24-8/6 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Louis Piper | piper-002lou | 1901 | 5/11-5/19 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Eddie Plank | plank-003edw | 1901 | Gettysburg Col.College | Gettysburg, PA | |||
| Eddie Plank | plank-003edw | 1901 | Chester | Independent | Chester, PA | ||
| Eddie Plank | plank-003edw | 1901 | 5/13- | 33 g. | Philadelphia | American League | Philadelphia, PA |
| Eddie Pleiss | pleiss001edw | 1901 | 5/2-6/24 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Eddie Pleiss | pleiss001edw | 1901 | 7/20-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Tom Plowman | 1901 | U. Alabama | College | , | |||
| Tom Plunkett | plunke001emm | 1901 | 8/23 | Cortland/Waverly | New York State League | Waverly, NY | |
| Tom Plunkett | plunke001emm | 1901 | 9/2 | Utica Pentups | New York State League | Utica, NY | |
| Tom Plunkett | plunke001emm | 1901 | 9/5 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Walter Plymat | plymat001--- | 1901 | +5/3+ | U. Minn. Law | College | , | |
| Al Poland | poland001al- | 1901 | 6/28-9/2 | Lynn Live Oaks | New England League | Lynn, MA | |
| Lou Polchow | polcho001lou | 1901 | 11 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Lou Polchow | polcho001lou | 1901 | 6/21-9/7 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| John Pollard | pollar001joh | 1901 | 6/28-9/2 | Bangor | New England League | Bangor, ME | |
| Ed Poole | poole-001edw | 1901 | 26 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Tim Poole | poole-001tim | 1901 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | ||
| Jap Poor | poor--001jas | 1901 | 5/2-7/2 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Jap Poor | poor--001jas | 1901 | 7/4-7/26 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Hoyt Poorman | poorma000hoy | 1901 | +4/19-5/30+ | Univ. Kansas | College | , | |
| Hoyt Poorman | poorma000hoy | 1901 | Arkansas City | Independent | Arkansas City, KS | ||
| Fred Popkay | popkay001fre | 1901 | +6/8+ | Umpire | Western League | , | |
| Bill Popp | popp--001wil | 1901 | 5/1 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Bill Popp | popp--001wil | 1901 | 5/22-9/20 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Poppe | poppe-001--- | 1901 | Muskegon Reds | Independent | Muskegon, MI | ||
| Lew? Post | 1901 | 5/19 | Grand Rapids | Western League | Grand Rapids, MI | ||
| Bill Pounds | pounds001jea | 1901 | 5/9-6/22 | Ilion Typewriters | New York State League | Ilion, NY | |
| Bill Pounds | pounds001jea | 1901 | 6/28-9/5 | Utica Pentups | New York State League | Utica, NY | |
| Frank Powe | powe--000fra | 1901 | +4/27+ | U. Alabama | College | , | |
| Abner Powell | powell001abn | 1901 | 5/2-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Jack Powell | powell007joh | 1901 | St. Louis | National League | St. Louis, MO | ||
| Doc Powers | powers002mic | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| James Powers | powers002jam | 1901 | 5/16-6/12 | Lewiston | New England League | Lewiston, ME | |
| Pratt | pratt-012--- | 1901 | no g. | Baltimore | Baltimore, MD | ||
| George Pratt | pratt-002geo | 1901 | 6/24-6/29 | Lewiston | New England League | Lewiston, ME | |
| George Prentiss | prenti002geo | 1901 | 5/9-9/6 | Albany Senators | New York State League | Albany, NY | |
| George Prentiss | prenti002geo | 1901 | 9/23 - | 2 g. | Boston | American League | Boston, MA |
| Walt Preston | presto002wal | 1901 | 100 g. | Denver Grizzlies | Western League | Denver, CO | |
| Howard Price | price-001how | 1901 | Enid Browns | Independent | Enid, OK | ||
| Hugh Price | price-001hug | 1901 | 5/4-5/13 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Hugh Price | price-001hug | 1901 | 6/7-6/17 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Ted Price | price-001e-- | 1901 | 5/2-9/8 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| John Priest | priest004joh | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Arthur Prouse | prouse000art | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| Billy Prout | prout-002wil | 1901 | +8/15-10/14+ | Wash. Ct. House | Independent | Washington, DC | |
| Joe Pulse | 1901 | +6/11+ | DePaul College | College | , | ||
| Raymond Pulse | pulse-001ray | 1901 | 4/14-6/11+ | DePaul College | College | , | |
| Nate Pulsifer | pulsif001nat | 1901 | 6/15-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Nate Pulsifer | pulsif001nat | 1901 | 7/9-8/16 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Nate Pulsifer | pulsif001nat | 1901 | 8/28-8/29 | Portland | New England League | Portland, ME | |
| Royce Purington | puring001roy | 1901 | 7/4 | Lewiston | New England League | Lewiston, ME | |
| Lyttleton Purnell | 1901-04 | Princeton Univ. | College | , | |||
| Ed Putnam | putnam001ed- | 1901 | Nashua | New England League | Nashua, NH | ||
| Queen | queen-003--- | 1901 | 5/4-5/17 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Frank Quigg | quigg-001fra | 1901 | Enid Browns | Independent | Enid, OK | ||
| Arthur Quigley | quigle002art | 1901 | Clarkson Tech | College | , | ||
| Arthur Quigley | quigle002art | 1901 | 7/2-7/9 | Potsdam | Northern New York League | Potsdam, NY | |
| Arthur Quigley | quigle002art | 1901 | +7/9-7/11+ | Potsdam | Northern New York League | Potsdam, NY | |
| Frank Quigley | quigle001fra | 1901 | 5/2-8/6 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Larry Quinlan | quinla001law | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Quinn | quinn-038--- | 1901 | 8/17-8/21 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Bobby Quinn | quinn-005rob | 1901 | Columbus Senators | Western Association | Columbus, OH | ||
| Frank Quinn | quinn-006fra | 1901 | 4/25-5/18 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Frank Quinn | quinn-006fra | 1901 | 5/22-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Jack Quinn | quinn-004joh | 1901 | 5/8-7/16 | Utica Pentups | New York State League | Utica, NY | |
| Jack Quinn | quinn-004joh | 1901 | Lestershire NY | Independent | Lestershire, NY | ||
| Jack Quinn | quinn-004joh | 1901 | 8/14 | Ilion Typewriters | New York State League | Ilion, NY | |
| Joe Quinn | quinn-003jos | 1901 | Washington | American League | Washington, DC | ||
| John Quinn | quinn-015joh | 1901 | 8/15-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Fred Quitman | quitma001fra | 1901 | +5/12+ | Chic.-MaltSinews | Independent | Chicago, IL | |
| Fred Quitman | quitma001fra | 1901 | Algona | Independent | Algona, IA | ||
| Teddy Radcliffe | radcli001c-- | 1901 | 106 g. | Denver Grizzlies | Western League | Denver, CO | |
| Bill Raffert | raffer001wil | 1901 | 18 g. | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Bill Raffert | raffer001wil | 1901 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | ||
| Jack Rafter | rafter001joh | 1901 | 5/8-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Arthur Ragan | reagan001art | 1901 | 7/25-8/15 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Joe Raidy | raidy-001jos | 1901 | 5/8-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Edward Rainey | rainey001e-- | 1901 | 7/15 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| John Ramey | ramey-002joh | 1901 | 11 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Hank Ramsey | ramsey001hen | 1901 | 8/16-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| H.J. Rand | rand--001h-- | 1901 | 41 g. | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Henry Randall | randal001hen | 1901 | Easton | Pennsylvania State League | Easton, PA | ||
| Randolph | randol005--- | 1901 | Emporia College | College | , | ||
| Randolph | randol005--- | 1901 | Pittsburg KS | Independent | Pittsburg, KS | ||
| Phil Ranz | ranz--000--- | 1901 | , | ||||
| Charles Rapp | rapp--011--- | 1901 | 4/28-5/8 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Louis Rapp | rapp--001lou | 1901 | 5/20-6/15 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Louis Rapp | rapp--001lou | 1901 | 6/22-7/3 | Manchester | New England League | Manchester, NH | |
| Otto Rapp | rapp--001ott | 1901 | 4/17- | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Otto Rapp | rapp--001ott | 1901 | -5/27 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Rathbun | rathbu001--- | 1901 | 4/26 | Grand Rapids | Western League | Grand Rapids, MI | |
| Tommy Raub | raub--001tho | 1901 | 5/23-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Harley Rawson | rawson001har | 1901 | 85 g. | Bangor | New England League | Bangor, ME | |
| John Ray | ray---006joh | 1901 | , | ||||
| Fred Raymer | raymer001fre | 1901 | 4/24- | 120 g. | Chicago | National League | Chicago, IL |
| Reagan | 1901 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |||
| George Ream | ream--001geo | 1901 | 77 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| John Rebsamen | rebsam001joh | 1901 | 29 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| John Rebsamen | rebsam001joh | 1901 | St. Joseph Saints | Western League | St. Joseph, MO | ||
| John Rebsamen | rebsam001joh | 1901 | 7/9-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Phil Reccius | recciu002phi | 1901 | 6/23-? | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Wallace Reddick | reddic001wal | 1901 | Ionia MI | Independent | Ionia, MI | ||
| John Redmond | redmon002j-- | 1901 | -7/4 | Park City | Inter-Mountain League | Park City, UT | |
| John Redmond | redmon002j-- | 1901 | North Platte NE | Independent | North Platte, NE | ||
| George Reed | reed--003geo | 1901 | 5/3,7/1-7/11 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Harry Reed | reed--001hen | 1901 | 2 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| George Reese | reese-002geo | 1901 | 5/9 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| George Reese | reese-002geo | 1901 | 5/17-5/19 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| A.H. Reeves | reeves002a-- | 1901 | 6/29-7/2 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| A.H. Reeves | reeves002a-- | 1901 | 8/22-9/6 | Derby Angels | Connecticut State League | Derby, CT | |
| Billy Reeves | reeves001wil | 1901 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | ||
| George Regan | regan-001geo | 1901 | 5/15-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| Joe Regan | regan-001joe | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Pete Regan | regan-001pet | 1901 | 5/15- | Lowell Tigers | New England League | Lowell, MA | |
| Pete Regan | regan-001pet | 1901 | -9/2 | Portland | New England League | Portland, ME | |
| Reid | reid--022--- | 1901 | 2 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Reid | reid--021--- | 1901 | 9/18 | Toronto Royals | Eastern League | Toronto, ON | |
| Bill Reid | reid--002wil | 1901 | 29 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Bill Reid | reid--002wil | 1901 | St. Joseph Saints | Western League | St. Joseph, MO | ||
| Bill Reid | reid--002wil | 1901 | 7/16-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Bill Reidy | reidy-001wil | 1901 | 37 g. | Milwaukee | American League | Milwaukee, WI | |
| Reightnour | 1901 | 5/17 | Reading | Pennsylvania State League | Reading, PA | ||
| Charlie Reilly | reilly003cha | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Josh Reilly | reilly002wil | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Doc Reisling | reisli001fra | 1901 | 5/4-9/5 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| George Reitz | reitz-001geo | 1901 | 5/2-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Henry Reitz | reitz-001hen | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Rementer | rement000--- | 1901 | 5/4-5/6 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Renner | renner003--- | 1901 | 4/15-5/8 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| George Rettger | rettge002geo | 1901 | 14 g. | Kansas City Blues | Western League | Kansas City, MO | |
| George Rettger | rettge002geo | 1901 | Denver Grizzlies | Western League | Denver, CO | ||
| Sam Reust | reust-001sam | 1901 | 2 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Sam Reust | reust-001sam | 1901 | Joplin | Independent | Joplin, MO | ||
| Reynolds | reynol049--- | 1901 | +4/27+ | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Reynolds | reynol050--- | 1901 | 8/25 | Nashua | New England League | Nashua, NH | |
| Jesse Reynolds | reynol001jes | 1901 | 4/27-5/2 | Columbus Senators | Western Association | Columbus, OH | |
| Jesse Reynolds | reynol001jes | 1901 | Richmond IN | Independent | Richmond, IN | ||
| Jesse Reynolds | reynol001jes | 1901 | Jackson | Independent | Jackson, TN | ||
| Tommy Reynolds | reynol001tho | 1901 | Guelph | Guelph, ON | |||
| Billy Rhines | rhines001wil | 1901 | 4/28-5/9 | Grand Rapids | Western League | Grand Rapids, MI | |
| Billy Rhines | rhines001wil | 1901 | 6/8-6/9 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Bob Rhoads | rhoads001rob | 1901 | 5/4-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Edgar Rhodes | rhodes004dus | 1901 | +4/20+ | U. Nebraska | College | , | |
| Billy Rice | rice--002w-- | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Richards | 1901 | Fargo | North Dakota Amateur League | Fargo, ND | |||
| Richards | richar060--- | 1901 | 8/12 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Bill Richardson | richar006wil | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Bill Richardson | richar006wil | 1901 | 9/20-10/6 | St. Louis | National League | St. Louis, MO | |
| L.F. Richardson | richar013--- | 1901 | 5/2-5/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| S. W. Richardson | 1901 | U. Wisconsin | College | , | |||
| Joe Rickert | ricker001jos | 1901 | 4/26-9/14 | Worcester Quakers | Eastern League | Worcester, MA | |
| Joe Rickert | ricker001jos | 1901 | 13 g. | Boston | National League | Boston, MA | |
| Rickey | rickey001--- | 1901 | 8/15 | Marion Glass Blowers | Western Association | Marion, IN | |
| Dorsey Riddlemoser | riddle002dor | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Riley | riley-044--- | 1901 | 7/2-8/9 | Potsdam | Northern New York League | Potsdam, NY | |
| Riner | riner-001--- | 1901 | 6/13 | Middletown | Pennsylvania State League | Middletown, PA | |
| Edward Ring | ring--001edw | 1901 | 5/15-5/31 | Augusta | New England League | Augusta, ME | |
| Frank Rinn | rinn--002fra | 1901 | 4/26-6/9 | Umpire | Eastern League | , | |
| Frank Rinn | rinn--002fra | 1901 | Ilion Typewriters | New York State League | Ilion, NY | ||
| John Riordan | riorda001joh | 1901 | 5/17-5/20 | Bangor | New England League | Bangor, ME | |
| Dud Risley | risley001dud | 1901 | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | ||
| Dud Risley | risley001dud | 1901 | 6/15-10/13 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Ritter | ritter017--- | 1901 | 5/13-5/17 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Harvey Ritter | ritter002har | 1901 | Pottstown PA | Independent | Pottstown, PA | ||
| Harvey Ritter | ritter002har | 1901 | 5/17-6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Lew Ritter | ritter002lew | 1901 | 4/25-5/2 | Toronto Royals | Eastern League | Toronto, ON | |
| Lew Ritter | ritter002lew | 1901 | 5/10-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Roach | roach-004--- | 1901 | 5/3 | Selma Christians | Southern Association | Selma, AL | |
| John Roach | roach-003j-- | 1901 | +7/15+ | Fort Scott | Independent | Fort Scott, KS | |
| Mike Roach | roach-001mik | 1901 | 4/26-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Mike Roach | roach-001mik | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| Skel Roach | roach-001rud | 1901 | Omaha Omahogs | Western League | Omaha, NE | ||
| Charles Roadnight | roadni000cha | 1901 | +4/14-4/28+ | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Charles Roadnight | roadni000cha | 1901 | 5/8-5/12 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Clay Robb | robb--001cla | 1901 | 5/2-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Craig Robbins | robbin000smi | 1901 | U. of Alabama | College | , | ||
| Harry Roberts | robert003har | 1901 | 8/13 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Robertson | robert096--- | 1901 | 7/10-7/16 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Edward Robertson | robert007edw | 1901 | Cornell Univ. | College | , | ||
| Edward Robertson | robert007edw | 1901 | 6/26-8/4 | Ilion Typewriters | New York State League | Ilion, NY | |
| Edward Robertson | robert007edw | 1901 | 8/9-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Fred Robertson | 1901 | Yale Univ. | College | , | |||
| Robinson | 1901 | 7/26-7/27 | Brockton B's | New England League | Brockton, MA | ||
| R. H. Robinson | 1901 | U. Vermont | College | , | |||
| Rabbit Robinson | robins003wil | 1901 | 123 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Wilbert Robinson | robins001wil | 1901 | Baltimore | American League | Baltimore, MD | ||
| Chick Robitaille | robita001jos | 1901 | 5/9-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Chick Robitaille | robita001jos | 1901 | 8/20 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Roy Rock | rock--002roy | 1901 | 7/29 | Brockton B's | New England League | Brockton, MA | |
| Roy Rock | rock--002roy | 1901 | 9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Ike Rockenfield | rocken001isa | 1901 | 5/1-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Roe | roe---002--- | 1901 | Dartmouth Col | College | , | ||
| Roe | roe---002--- | 1901 | 7/2-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Joe Roe | roe---001jos | 1901 | Sedalia | Independent | Sedalia, MO | ||
| Roehr | roehr-000--- | 1901 | 6/5-6/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Al Rogers | rogers000al- | 1901 | 6/21-9/3 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Terry Rogers | rogers001ter | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| George Rohe | rohe--001geo | 1901 | 69 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| George Rohe | rohe--001geo | 1901 | 6/12 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Dick Rohn | rohn--001ric | 1901 | 2 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Pat Rollins | rollin001hen | 1901 | 5/2-8/6 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Romney | 1901 | 2 g. | Salt Lake City | Inter-Mountain League | , | ||
| Charles Rose | rose--004cha | 1901 | Fargo | North Dakota Amateur League | Fargo, ND | ||
| Ross | ross--032--- | 1901 | 6/5 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Art Ross | ross--001art | 1901 | 5/8-9/6 | Rome Romans | New York State League | Rome, NY | |
| Ernie Ross | ross--001ern | 1901 | 5/15-8/30 | Augusta | New England League | Augusta, ME | |
| Lester Rosson | rosson001les | 1901 | 5/11-7/6 | New London Whalers | Connecticut State League | New London, CT | |
| Lester Rosson | rosson001les | 1901 | 7/29-8/3 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Lester Rosson | rosson001les | 1901 | 8/13-9/5 | Albany Senators | New York State League | Albany, NY | |
| Andy Roth | roth--001and | 1901 | 5/2-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Frank Roth | roth--001fra | 1901 | 5/2-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Bobby Rothermel | rother001bob | 1901 | 5/2-6/4 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Bobby Rothermel | rother001bob | 1901 | 6/18-8/18 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| C. Rothermel | rother002--- | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| C. Rothermel | rother002--- | 1901 | +7/26+ | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Wilson Rothermel | rother002wil | 1901 | 5/13-6/3 | Reading | Pennsylvania State League | Reading, PA | |
| Adam Rothfuss | rothfu001ada | 1901 | 5/8-8/4 | Ilion Typewriters | New York State League | Ilion, NY | |
| Jack Rothfuss | rothfu001jac | 1901 | 4/25-6/3 | Grand Rapids | Western League | Grand Rapids, MI | |
| Jack Rothfuss | rothfu001jac | 1901 | 6/4-6/19 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Rounds | rounds000--- | 1901 | 1 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Billy Rourke | rourke001wil | 1901 | 5/3-9/21 | Omaha Omahogs | Western League | Omaha, NE | |
| Frank Rudderham | rudder001fra | 1901 | 5/11-9/7 | Albany Senators | New York State League | Albany, NY | |
| C. Ruening | ruenin001c-- | 1901 | 6/4,8/17 | Ilion Typewriters | New York State League | Ilion, NY | |
| C. Ruening | ruenin001c-- | 1901 | 8/31-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| H.J. Ruhland | ruhlan002h-- | 1901 | 5/9-5/24 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| H.J. Ruhland | ruhlan002h-- | 1901 | 6/3-6/4 | New London Whalers | Connecticut State League | New London, CT | |
| Rump | rump--000--- | 1901 | 7/29 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Lee Rundell | rundel001g-- | 1901 | Waco Tx | Independent | Waco, TX | ||
| Louis Runkel | runkle001lou | 1901 | 6/13-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| W.R. Rushmore | rushmo000wr- | 1901 | 7/10 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Russell | russel068--- | 1901 | +7/12-8/29 | Canton | Northern New York League | Canton, NY | |
| Burt Russell | russel000bur | 1901 | 8/3 | Nashua | New England League | Nashua, NH | |
| Cy Russell | russel002fra | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Cy Russell | russel002fra | 1901 | SF-Maxwells | Pacific Coast League | San Francisco, CA | ||
| Paul Russell | russel002pau | 1901 | 6/14-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Paul Russell | russel002pau | 1901 | 7/9-8/2 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Paul Russell | russel002pau | 1901 | 8/6-8/8 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Paul Russell | russel002pau | 1901 | 8/12 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Robert Russell | russel006rob | 1901 | 7/1-8/29 | Canton | Northern New York League | Canton, NY | |
| George Rust | rust--002geo | 1901 | Canadian League | , | |||
| Ryan | ryan--073--- | 1901 | 6/6-6/28 | Augusta | New England League | Augusta, ME | |
| Jack Ryan | ryan--004joh | 1901 | 83 g. | St. Louis | National League | St. Louis, MO | |
| James Ryan | ryan--009jam | 1901 | 6/17-7/23 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Jimmy Ryan | ryan--003jam | 1901 | 108 g. | St. Paul Saints | Western League | St. Paul, MN | |
| John Ryan | ryan--023joh | 1901 | 5/16-5/17 | Nashua | New England League | Nashua, NH | |
| Joseph Ryan | ryan--001jos | 1901 | 14 g. | Augusta | New England League | Augusta, ME | |
| Michael Ryan | ryan--001mic | 1901 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | ||
| Raymond Ryan | ryan--001ray | 1901 | Hayden IN HS | High School | , | ||
| Raymond Ryan | ryan--001ray | 1901 | Newark OH | Independent | Newark, OH | ||
| Ryder | ryder-003--- | 1901 | Muskegon | Muskogee City | Muskegon, MI | ||
| Harry Sage | sage--001har | 1901 | 6/17-8/26 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| D. A. Salene | 1901 | Kearney NE | Nebraska State League | Kearney, NE | |||
| Solly Salisbury | salisb001wil | 1901 | 46 g. | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Guy Sample | sample001guy | 1901 | 5/3-7/30 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Guy Sample | sample001guy | 1901 | 8/5-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Samuels | samuel007--- | 1901 | 6/5-6/7 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Jack Sanborn | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | ||
| War Sanders | sander001war | 1901 | 5/3-9/21 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Nelson Sandherr | sandhe001nel | 1901 | 5/13-5/30 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Jack Sanford | sanfor002jac | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Sapp | sapp--001--- | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Sapp | sapp--001--- | 1901 | +6/29+ | Harr.-Susquehanna | Independent | Harrisburg, PA | |
| William Sarsfield | sarsfi002--- | 1901 | Ohio Wesleyan | College | , | ||
| Sawyer | sawyer017--- | 1901 | 8/10 | Nashua | New England League | Nashua, NH | |
| James Sayer | sayer-001jam | 1901 | Utica Pentups | New York State League | Utica, NY | ||
| Del Sayers | sayers001del | 1901 | 5/25 | Columbus Senators | Western Association | Columbus, OH | |
| Doc Scanlan | scanla001wil | 1901 | 7/1-8/28 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Michael Scanlan | scanlo001mic | 1901 | 6/27-6/28 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Jack Scanlon | scanla001joh | 1901 | 8/13 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Jack Scannell | scanne001joh | 1901 | 5/4-9/7 | Derby Angels | Connecticut State League | Derby, CT | |
| Germany Schaefer | schaef001her | 1901 | 117 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Germany Schaefer | schaef001her | 1901 | St. Paul Saints | Western League | St. Paul, MN | ||
| Ben Schafstall | schafs001ber | 1901 | Jackson | Independent | Jackson, TN | ||
| Ben Schafstall | schafs001ber | 1901 | 7/21-9/16 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Bob Schaub | schaub001rob | 1901 | 4/25-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Louis Schaub | schaub001lou | 1901 | ClevelandIA s-pro | Independent | Cleveland, OH | ||
| Ted Scheffler | scheff001ted | 1901 | 5/8-8/2 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Ted Scheffler | scheff001ted | 1901 | 8/3 | Ilion Typewriters | New York State League | Ilion, NY | |
| Ted Scheffler | scheff001ted | 1901 | 8/6-9/7 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Frank Scheibeck | scheib001fra | 1901 | 5/8-5/20 | Montreal Royals | Eastern League | Montreal, QC | |
| Bert Schils | schils001alb | 1901 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | ||
| Larry Schlafly | schlaf001har | 1901 | 4/26-5/16 | Columbus Senators | Western Association | Columbus, OH | |
| Larry Schlafly | schlaf001har | 1901 | 5/17-5/19 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Larry Schlafly | schlaf001har | 1901 | 6/3-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Frank Schlorf | schlor001fra | 1901 | 5/5-5/9 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Frank Schlorf | schlor001fra | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| Frank Schlorf | schlor001fra | 1901 | 7/14-9/22 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Claude Schmeer | schmee001cla | 1901 | 7/20-7/21 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Boss Schmidt | schmid001cha | 1901 | 8/31 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Henry Schmidt | schmid004hen | 1901 | 29 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Henry Schmidt | schmid004hen | 1901 | Denver Grizzlies | Western League | Denver, CO | ||
| Henry Schmidt | schmid004hen | 1901 | 37 g. | Oakland Commuters | California League | Oakland, CA | |
| Crazy Schmit | schmit001fre | 1901 | - 6/8 | 4 g. | Baltimore | American League | Baltimore, MD |
| Crazy Schmit | schmit001fre | 1901 | 7/2-8/6 | New London Whalers | Connecticut State League | New London, CT | |
| Eddie Schnable | schnab001edd | 1901 | 22 g. | Park City | Inter-Mountain League | Park City, UT | |
| Eddie Schnable | schnab001edd | 1901 | Lagoon | Inter-Mountain League | Lagoon, UT | ||
| Schneible | schnei010--- | 1901 | 9/5 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Schneider | schnei001--- | 1901 | 8/10 | Lewiston | New England League | Lewiston, ME | |
| Schrader | schrad002--- | 1901 | 7/12-7/13 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Joe Schrader | schrad001--- | 1901 | 5/2-5/15 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Joe Schrall | schral001jos | 1901 | 125 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| John Schrant | schran001joh | 1901 | +4/19-5/30+ | Univ. of Kansas | College | , | |
| John Schrant | schran001joh | 1901 | Sedalia | Independent | Sedalia, MO | ||
| Ossee Schrecongost | schrec001oss | 1901 | Boston | American League | Boston, MA | ||
| William Schriner/Schre | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | ||
| Pop Schriver | schriv001wil | 1901 | St. Louis | National League | St. Louis, MO | ||
| Schroeder | schroe010--- | 1901 | 7/26 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Bert Schultz | schult002ber | 1901 | 6/23 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Carl Schuman | schuma001car | 1901 | 6/13 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Carl Schuman | schuma001car | 1901 | 6/19-6/20 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Charles Schwartz | schwar001cha | 1901 | 103 g. | Sacramento Senators | California League | Sacramento, CA | |
| Charles Schwartz | schwar001cha | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| George Schwern | schwer000geo | 1901 | 7/24 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Dick Scott | scott-001amo | 1901 | 6/26-7/8 | Cincinnati | National League | Cincinnati, OH | |
| Dick Scott | scott-001amo | 1901 | 8/5 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Ed Scott | scott-001edw | 1901 | 17 g. | Cleveland | American League | Cleveland, OH | |
| Jimmy Seagraves | seagra001cha | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Walter Seare | seare-000wal | 1901 | 26 g. | Park City | Inter-Mountain League | Park City, UT | |
| Walter Seare | seare-000wal | 1901 | Lagoon | Inter-Mountain League | Lagoon, UT | ||
| William Searles | searle001wil | 1901 | no g. | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Merle Sears | sears-001mea | 1901 | 5/2-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Jimmy Sebring | sebrin001jam | 1901 | Bucknell Univ | College | , | ||
| Jimmy Sebring | sebrin001jam | 1901 | 5/17-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Jimmy Sebring | sebrin001jam | 1901 | 7/9-8/1 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Charles Sechrist | sechri001cha | 1901 | 4/15-5/15 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Doc Sechrist | sechri001doc | 1901 | 5/3-6/10 | Selma Christians | Southern Association | Selma, AL | |
| Doc Sechrist | sechri001doc | 1901 | 7/12-7/22 | Umpire | Southern League | , | |
| Doc Sechrist | sechri001doc | 1901 | Columbus Senators | Western Association | Columbus, OH | ||
| Frank Sechrist | sechri000fra | 1901 | 5/10-5/16 | Rome Romans | New York State League | Rome, NY | |
| Fred Seifert | seifer001fre | 1901 | 5/15-5/30 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Davy Seisler | seisle001dav | 1901 | 13 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Davy Seisler | seisle001dav | 1901 | 6/8-9/8 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Kip Selbach | selbac001alb | 1901 | 125 g. | New York | National League | New York, NY | |
| J.B. Selsor | selsor001j-- | 1901 | 8 g. | Park City | Inter-Mountain League | Park City, UT | |
| William Setley | setley001wil | 1901 | 7/17-7/22 | Meriden Miler | Connecticut State League | Meriden, CT | |
| William Setley | setley001wil | 1901 | 7/23-7/24 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Frank Sexton | sexton001fra | 1901-02 | U. Michigan | College | , | ||
| Charlie Shaffer | shaffe001cha | 1901 | 5/2-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| John Shanahan | shanah001joh | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Tim Shanahan | shanah001tim | 1901 | 5 g. | Salt Lake City | Inter-Mountain League | , | |
| Bert Shaner | shaner001ber | 1901-04 | Lindsborg College | College | , | ||
| Luther Shanks | shanks001lut | 1901 | +7/31+ | Ava | Independent | Ava, MO | |
| Frank Shannon | shanno002fra | 1901 | 4/26-7/28 | Worcester Quakers | Eastern League | Worcester, MA | |
| Owen Shannon | shanno001owe | 1901 | 5/2-5/15 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Owen Shannon | shanno001owe | 1901 | 7/20-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Spike Shannon | shanno003wil | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Spike Shannon | shanno003wil | 1901 | 57 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Sharpe | 1901 | Yale Univ. | College | , | |||
| Jack Sharrott | sharro001jac | 1901 | 5/4-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Bill Sharsig | sharsi001bil | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| August Shaumeyer | schaum001aug | 1901 | 5/29-6/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Al Shaw | shaw--001alf | 1901 | 4/25-6/4 | Marion Glass Blowers | Western Association | Marion, IN | |
| Al Shaw | shaw--001alf | 1901 | 6/10- | 55 g. | Detroit | American League | Detroit, MI |
| Danny Shay | shay--001dan | 1901 | Cleveland | American League | Cleveland, OH | ||
| Danny Shay | shay--001dan | 1901 | 60 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Danny Shay | shay--001dan | 1901 | 68 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Danny Shea | shea--001dan | 1901 | 5/8-5/22 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Danny Shea | shea--001dan | 1901 | +7/5+ | Athena | Independent | Athena, WA | |
| Danny Shea | shea--001dan | 1901 | 10/2-10/5 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Frank Shea | shea--002fra | 1901 | 5/15-9/2 | Nashua | New England League | Nashua, NH | |
| John Shea | shea--001p-- | 1901 | 5/4-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Nap Shea | shea--001joh | 1901 | 5/8-9/7 | Rome Romans | New York State League | Rome, NY | |
| John Shearon | shearo002joh | 1901 | 4/25-9/20 | Montreal Royals | Eastern League | Montreal, QC | |
| Dan Sheehan | sheeha001dan | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Jack Sheehan | sheeha005joh | 1901 | 5/11-5/16 | Utica Pentups | New York State League | Utica, NY | |
| Tommy Sheehan | sheeha003tho | 1901 | 132 g. | Sacramento Senators | California League | Sacramento, CA | |
| Roy Sheets | sheets001roy | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| George Shelafo | shelaf001--- | 1901 | Flandreau | Independent | Flandreau, SD | ||
| Ben Shelton | shelto001ben | 1901 | 5/1-7/11 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Ben Shelton | shelto001ben | 1901 | 7/17-8/28 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Shepherd | shephe001--- | 1901 | 7/26-8/24 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Shepherd | 1901 | 4 g. | Salt Lake City | Inter-Mountain League | , | ||
| George Sheppard | sheppa001geo | 1901 | +6/23+ | Duluth MN | Independent | Duluth, MN | |
| Jack Sheridan | sherid001jac | 1901 | 139 g. | MLB Umpire | American League | , | |
| John Sherman | sherma001joh | 1901 | 4/15-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| John Sherman | sherma001joh | 1901 | 7/9-8/12 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Shields | shield012--- | 1901 | 6/8-6/14 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Charlie Shields | shield002cha | 1901 | 5/5-9/13 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Charlie Shields | shield002cha | 1901 | 9/17-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Herman Shincel | shince001her | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| Billy Shindle | shindl001wil | 1901 | 4/26-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Tim Shinnick | shinni002tim | 1901 | 5/8-5/30 | Ilion Typewriters | New York State League | Ilion, NY | |
| Tim Shinnick | shinni002tim | 1901 | 6/6-6/25 | Umpire | New York State League | , | |
| George Shoch | shoch-001geo | 1901 | 5/3-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Shoenberg | shoenb000--- | 1901 | 7/18 | Selma Christians | Southern Association | Selma, AL | |
| Shook | shook-004--- | 1901 | 5/15-6/5 | Manchester | New England League | Manchester, NH | |
| Shooks | shooks000--- | 1901 | 6/15 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Shortell | shorte001--- | 1901 | 7/25 | Derby Angels | Connecticut State League | Derby, CT | |
| Ed Shortell | shorte001edw | 1901 | 5/8-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Frank Shugart | shugar001fra | 1901 | -9/27 | 107 g. | Chicago | American League | Chicago, IL |
| Eddie Shultz | shultz001edw | 1901 | Read.-Browns | Independent | Reading, PA | ||
| Eddie Shultz | shultz001edw | 1901 | 5/13-6/15 | Reading | Pennsylvania State League | Reading, PA | |
| Shurtfift | shurtl001--- | 1901 | 1 g. | Ogden | Inter-Mountain League | Ogden, UT | |
| Johnny Siegle | siegle001joh | 1901 | 5/8-6/23 | Utica Pentups | New York State League | Utica, NY | |
| Johnny Siegle | siegle001joh | 1901 | 6/24-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Ed Siever | siever001edw | 1901 | Detroit | American League | Detroit, MI | ||
| Silva | silva-007--- | 1901 | 5/8-5/9 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Sleepy Simmons | simmon001sle | 1901 | 14 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Hank Simon | simon-001hen | 1901 | 5/11-9/7 | Albany Senators | New York State League | Albany, NY | |
| Mike Simon | simon-003mic | 1901 | Indiana Univ. | College | , | ||
| Jack Simons | simons001joh | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Ben Simonton | simont001ben | 1901 | 4/27 | Marion Glass Blowers | Western Association | Marion, IN | |
| Ben Simonton | simont001ben | 1901 | 5/5 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Ben Simonton | simont001ben | 1901 | +8/15+ | Washington C. H. | Independent | Washington, DC | |
| James Skidmore | skidmo001jam | 1901 | +5/11-8/17+ | Fort Riley KS | Army | , | |
| John Skopec | skopec001joh | 1901 | 4/25- | 9 g. | Chicago | American League | Chicago, IL |
| John Skopec | skopec001joh | 1901 | 7/24-9/21 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Walt Slagle | slagle001--- | 1901 | 4/15- | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Walt Slagle | slagle001--- | 1901 | -7/5 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Walt Slagle | slagle001wal | 1901 | 7/9-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Ed Slater | slater001hen | 1901 | 4/25-5/4 | Toronto Royals | Eastern League | Toronto, ON | |
| Ed Slater | slater001hen | 1901 | 5/6-7/13 | Worcester Quakers | Eastern League | Worcester, MA | |
| Ed Slater | slater001hen | 1901 | 7/17-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Ed Slater | slater001hen | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| Jack Slattery | slatte001joh | 1901 | 9/28 | Boston | American League | Boston, MA | |
| Small | small-003--- | 1901 | 6/8 | Lowell Tigers | New England League | Lowell, MA | |
| Bill Smink | smink-001wil | 1901 | 4/25-5/26 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Bill Smink | smink-001wil | 1901 | 5/30-6/24 | Marion Glass Blowers | Western Association | Marion, IN | |
| Bill Smink | smink-001wil | 1901 | 7/4-7/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Bill Smink | smink-001wil | 1901 | Umpire | Western Association | , | ||
| Bill Smink | smink-001wil | 1901 | 8/18-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Smith | smith-322--- | 1901 | 6/22 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Smith | smith-327--- | 1901 | 7/13 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Smith | smith-325--- | 1901 | 7/16-7/28 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| Smith | smith-318--- | 1901 | 5/8-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Smith | smith-324--- | 1901 | 6/22 | Augusta | New England League | Augusta, ME | |
| Smith | smith-316--- | 1901 | 8/1 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Aleck Smith | smith-001ale | 1901 | 26 g. | New York | National League | New York, NY | |
| Arthur Smith | smith-008art | 1901 | 5/16-8/9 | Bangor | New England League | Bangor, ME | |
| Billy Smith | smith-011wil | 1901 | 5/2-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Billy Smith | smith-057wil | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Charles Smith | smith-032cha | 1901 | 5/8-7/8 | Ilion Typewriters | New York State League | Ilion, NY | |
| Charles Smith | smith-032cha | 1901 | 5/8-7/8 | Ilion Typewriters | New York State League | Ilion, NY | |
| Ed Smith | smith-001rhe | 1901 | 5/19-6/17 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Ed Smith | smith-001ed- | 1901 | 2 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Elmer Smith | smith-004elm | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Elmer Smith | smith-004elm | 1901 | Boston | National League | Boston, MA | ||
| Frank Smith | smith-008fra | 1901 | 6/24-7/5 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Frank Smith | smith-008fra | 1901 | 7/9-8/15 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| George Smith | smith-012geo | 1901 | 4/25-9/21 | Rochester Bronchos | Eastern League | Rochester, NY | |
| George Smith | smith-012geo | 1901 | 9 g. | New York | National League | New York, NY | |
| George Smith | smith-012geo | 1901 | MLB Umpire | National League | , | ||
| Germany Smith | smith-013geo | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Germany Smith | smith-013geo | 1901 | 6/30-8/28 | Grand Rapids | Western League | Grand Rapids, MI | |
| Harry Smith | smith-018har | 1901 | 7/11- | 11 g. | Philadelphia | American League | Philadelphia, PA |
| Joe Smith | smith-007jos | 1901 | Pottsville | Pennsylvania State League | Pottsville, PA | ||
| Joe Smith | smith-007jos | 1901 | Pottsville | Pennsylvania State League | Pottsville, PA | ||
| Joe Smith | smith-007jos | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| Jud Smith | smith-001jud | 1901 | 5/6-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Jud Smith | smith-001jud | 1901 | 7/25-8/31 | Brockton B's | New England League | Brockton, MA | |
| Jud Smith | smith-001jud | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Melville Smith | smith-001mel | 1901 | 4/25-4/27 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Phenomenal Smith | smith-013joh | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| Stub Smith | smith-001stu | 1901 | 4/15-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Stub Smith | smith-001stu | 1901 | 7/12-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Tom Smith | smith-001tho | 1901 | Springfield | Independent | Springfield, MO | ||
| W. Smith | smith-023w-- | 1901 | 8/31 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Smithson | smiths003--- | 1901 | 5/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Presley Smithwick | smithw001p-- | 1901 | Memp.-Chickasawa | Independent | Memphis, TN | ||
| Smoker | smoker001--- | 1901 | 6/12-6/19 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Homer Smoot | smoot-001hom | 1901 | 4/26-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Chappie Snodgrass | snodgr001amz | 1901 | 5/11-5/16 | Baltimore | American League | Baltimore, MD | |
| Joe Snooks | snooks001jos | 1901 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | ||
| Joe Snooks | snooks001jos | 1901 | St.P.-Albert Lea | Independent | St. Paul, MN | ||
| Snyder | snyder037--- | 1901 | 6/10-6/18 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Snyder | 1901 | +5/27-6/1+ | Umpire | Virginia-North Carolina League | , | ||
| Pop Snyder | snyder001pop | 1901 | , | ||||
| Gus Soffel | soffel001aug | 1901 | 4/15-7/5 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Gus Soffel | soffel001aug | 1901 | Pitts.-PAC | Independent | Pittsburgh, PA | ||
| Gus Soffel | soffel001aug | 1901 | Pitts.-PAC | Independent | Pittsburgh, PA | ||
| Sox Sorber | sorber001wal | 1901 | 5/20-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Sox Sorber | sorber001wal | 1901 | 7/9-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Holly Souders | souder001har | 1901 | 4/25-9/21 | Montreal Royals | Eastern League | Montreal, QC | |
| Bob Spade | spade-001rob | 1901 | Kent OH | Independent | Kent, OH | ||
| Bill Sparger | sparge001wil | 1901 | 5/16-6/8 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Bill Sparger | sparge001wil | 1901 | 6/12-6/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Bill Sparger | sparge001wil | 1901 | 6/27-7/31 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| Tully Sparks | sparks001tho | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Frank Spates | spates001fra | 1901 | Frostburg MD | Independent | Frostburg, MD | ||
| William Spates | 1901 | Frostburg MD | Independent | Frostburg, MD | |||
| Carl Speaker | 1901 | +8/28-9/21+ | Otsego MI | Independent | Otsego, MI | ||
| Speaks | speaks002--- | 1901 | 6/4 | Shreveport Giants | Southern Association | Shreveport, LA | |
| George Speer | speer-001geo | 1901 | 4/25-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Spencer | spence006--- | 1901 | 7 g. | Park City | Inter-Mountain League | Park City, UT | |
| Spencer | spence006--- | 1901 | Park City | Inter-Mountain League | , | ||
| Spencer | spence044--- | 1901 | 9/10 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Dit Spencer | spence001d-- | 1901 | 7/22-9/25 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Frank Spencer | spence001fra | 1901 | no g. | St. Paul Saints | Western League | St. Paul, MN | |
| Harry Spies | spies-001hen | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Matt Spiesman | spiesm002mat | 1901 | 5/4-7/2 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Matt Spiesman | spiesm002mat | 1901 | 7/4-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| George Spooner | spoone001geo | 1901 | 5/15-9/2 | Bangor | New England League | Bangor, ME | |
| Joseph Sporer | sporer001jos | 1901 | +7/11+ | Madison | Independent | Madison, | |
| Sprague | spragu008--- | 1901 | 5/4-5/21 | Derby Angels | Connecticut State League | Derby, CT | |
| Jack Spratt | spratt001wil | 1901 | 5/2-7/6 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Jack Spratt | spratt001wil | 1901 | 7/9-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Jack Spratt | spratt001wil | 1901 | 8/26-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Roy St. John | stjohn001roy | 1901 | 5/1-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Jim St. Vrain | stvrai001jam | 1901 | 6/8-10/12 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Cy Stackpole | stackp001art | 1901 | 5/16-7/5 | Haverhill Hustlers | New England League | Haverhill, MA | |
| James Stafford | staffo001gen | 1901 | 4/26-9/9 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Robert Stafford | staffo003rob | 1901 | 4/15-6/28 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Robert Stafford | staffo003rob | 1901 | 7/4-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Chick Stahl | stahl-001cha | 1901 | 131 g. | Boston | American League | Boston, MA | |
| Staley | 1901 | +5/3-7/6 | Umpire | Virginia-North Carolina League | , | ||
| Staltz | staltz000--- | 1901 | 8/14-9/2 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Adam Stanhope | stanho001ada | 1901 | 5/4-5/23 | New London Whalers | Connecticut State League | New London, CT | |
| Adam Stanhope | stanho001ada | 1901 | 7/2-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Tom Stankard | stanka001tho | 1901-02 | Boston College | College | , | ||
| Joe Stanley | stanle003jos | 1901 | 4/16-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Joe Stanley | stanle003jos | 1901 | 7/9-8/13 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Joe Stanley | stanle003jos | 1901 | 8/15-9/25 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Matt Stanley | stanle001mat | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Claude Stark | stark-001cla | 1901 | 4/25-5/8 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| William Stark | stark-003wil | 1901 | Lockport NY | Independent | Lockport, NY | ||
| George Starnagle | starna001geo | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Harry Stauffer | stauff001hen | 1901 | 5/4-9/6 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Stearns | stearn002--- | 1901 | 7/2-8/27 | Malone | Northern New York League | Malone, NY | |
| Charles Stecher | steche001cha | 1901 | 5/30 | Ilion Typewriters | New York State League | Ilion, NY | |
| Carroll Steele | steele002car | 1901 | Dadeville AL | Independent | Dadeville, AL | ||
| Elmer Steele | steele001elm | 1901-05 | Fishkill NY Ducks | Independent | Fishkill, NY | ||
| Fred Steele | steele001fre | 1901 | 5/10-5/22 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Farmer Steelman | steelm001mor | 1901 | 27 g. | Philadelphia | American League | Philadelphia, PA | |
| Farmer Steelman | steelm001mor | 1901 | 5/7-8/20 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Farmer Steelman | steelm001mor | 1901 | 1 g. | Brooklyn | National League | Brooklyn, NY | |
| Clarence Steen | 1901 | Wahoo NE | High School | , | |||
| Joe Steen | steen-001jos | 1901 | 6/8-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Steese | steese001--- | 1901 | 6/12 | Harrisburg | Pennsylvania State League | Harrisburg, PA | |
| Steese | steese001--- | 1901 | 6/11-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| Michael Steffani | steffa001mic | 1901 | 6 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Michael Steffani | steffa001mic | 1901 | St. Joseph Saints | Western League | St. Joseph, MO | ||
| Michael Steffani | steffa001mic | 1901 | 6/7-7/22 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Michael Steffani | steffa001mic | 1901 | 8/7 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Stein | stein-008--- | 1901 | 8/23 | Grand Rapids | Western League | Grand Rapids, MI | |
| Paul Steinberg | steinb002pau | 1901 | 5/13-6/15 | Allentown Peanuts | Pennsylvania State League | Allentown, PA | |
| Paul Steinberg | steinb002pau | 1901 | 6/19 | Reading | Pennsylvania State League | Reading, PA | |
| Jay Stetler | stetle001per | 1901 | Wmpt Store | Independent | , | ||
| Frank Stetson | stetso001fra | 1901 | 5/16-5/23 | New London Whalers | Connecticut State League | New London, CT | |
| Stevens | steven051--- | 1901 | 7/1-7/5 | Canton | Northern New York League | Canton, NY | |
| Roy Stevens | 1901 | Middlebury Col. | College | , | |||
| Roy Stevens | 1901 | 7/5 exhibit only | Malone | Northern New York League | Malone, NY | ||
| Stewart | stewar074--- | 1901 | 7/4-7/6 | Lynn Live Oaks | New England League | Lynn, MA | |
| Ace Stewart | stewar001ace | 1901 | 119 g. | Omaha Omahogs | Western League | Omaha, NE | |
| Joe Stewart | stewar003jos | 1901 | 4/15-7/5 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Joe Stewart | stewar003jos | 1901 | 7/11-8/15 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Joe Stewart | stewar003jos | 1901 | 9/1-9/24 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Archie Stimmel | stimme001arc | 1901 | 4/25-7/7 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| A. Stinson | stinso001a-- | 1901 | 7/6 | Lewiston | New England League | Lewiston, ME | |
| Otis Stocksdale | stocks002oti | 1901 | 6/6-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Otis Stocksdale | stocks002oti | 1901 | 7/9-8/16 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Walter Stolworthy | stolwo000tom | 1901-03 | Tufts Univ. | College | , | ||
| Walter Stolworthy | stolwo000tom | 1901 | 6/22-9/2 | Lowell Tigers | New England League | Lowell, MA | |
| George Stone | stone-003geo | 1901 | Sallix IA | Independent | Sallix, IA | ||
| George Stone | stone-003geo | 1901 | 9/8-9/18 | Omaha Omahogs | Western League | Omaha, NE | |
| Harry Stoney | stoney001har | 1901 | 24 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| Ed Stopher | stophe000--- | 1901 | 5/12-6/2 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Tom Stouch | stouch001tom | 1901 | U. of Alabama | College | , | ||
| Tom Stouch | stouch001tom | 1901 | 5/2-9/22+ | Selma Christians | Southern Association | Selma, AL | |
| Jesse Stovall | stoval001jes | 1901 | 5/2-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Stradley | stradl003--- | 1901 | 7/3 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Sammy Strang | strang001sam | 1901 | 135 g. | New York | National League | New York, NY | |
| Frank Strarup | straru000fra | 1901 | no g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Julie Streib | streib001jul | 1901 | 146 g. | Oakland Commuters | California League | Oakland, CA | |
| Theodore Streib | streib001the | 1901 | +8/25+ | Petaluma CA | Independent | Petaluma, CA | |
| Oscar Streit | streit001osc | 1901 | 4/25-6/1 | Grand Rapids | Western League | Grand Rapids, MI | |
| Oscar Streit | streit001osc | 1901 | 6/5-7/23 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Oscar Streit | streit001osc | 1901 | Wash. Courthouse | Independent | Washington, DC | ||
| Elmer Stricklett | strick001elm | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Frederick Stripp | stripp001fre | 1901 | Albion College | College | , | ||
| Frederick Stripp | stripp001fre | 1901 | Charlevoix | Independent | Charlevoix, | ||
| Charles Strobel | strobe001cha | 1901 | 4/24-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Billy Stroh | stroh-001wil | 1901 | Potsdam Normal | College | , | ||
| Billy Stroh | stroh-001wil | 1901 | 7/1-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| George Stroh | stroh-001geo | 1901 | 5/16-7/4 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| George Stroh | stroh-001geo | 1901 | 7/8-8/26 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| Alden Strong | 1901 | Wichita County | School | , | |||
| Con Strothers | stroth001joh | 1901 | 6/7-6/14 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| George Stultz | stultz002geo | 1901 | 5/3-6/12 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Henry Stultz | stultz001hen | 1901 | 5/1-6/6 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Henry Stultz | stultz001hen | 1901 | 6/8-7/14 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Henry Stultz | stultz001hen | 1901 | 7/17-10/13 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Ed Stutsman | stutsm001e-- | 1901 | Goshen IN | Independent | Goshen, IN | ||
| Joe Sugden | sugden001jos | 1901 | 48 g. | Chicago | American League | Chicago, IL | |
| Sullivan | sulliv012--- | 1901 | Berlin | Canadian League | Berlin, ON | ||
| Sullivan | sulliv121--- | 1901 | 6/1 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Sullivan | sulliv117--- | 1901 | 6/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Sullivan | sulliv013--- | 1901 | 5/18-5/29 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Billy Sullivan | sulliv006wil | 1901 | Chicago | American League | Chicago, IL | ||
| Daniel Sullivan | sulliv008dan | 1901 | 5/15-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| Dick Sullivan | sulliv006ric | 1901 | +6/24+ | Pelzer SC | Independent | Pelzer, SC | |
| Dick Sullivan | sulliv006ric | 1901 | Waynesville GA | Independent | Waynesville, GA | ||
| George Sullivan | sulliv005geo | 1901 | 5/16-9/11 | Toronto Royals | Eastern League | Toronto, ON | |
| James Sullivan | sulliv009jam | 1901 | 5/9-5/15 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| James Sullivan | sulliv009jam | 1901 | 5/16-6/19 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Jim Sullivan | sulliv006jam | 1901 | San Francisco Wasps | California League | San Francisco, CA | ||
| Jim Sullivan | sulliv006jam | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Jim Sullivan | sulliv006jam | 1901 | 28 g. | Denver Grizzlies | Western League | Denver, CO | |
| John Sullivan | 1901 | 6/8 | Umpire | Pennsylvania State League | , | ||
| John Sullivan | sulliv004joh | 1901 | 99 g. | Denver Grizzlies | Western League | Denver, CO | |
| Mike Sullivan | sulliv005mic | 1901 | 5/6-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Suter Sullivan | sulliv002sut | 1901 | 4/28-5/16 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Suter Sullivan | sulliv002sut | 1901 | 5/18-6/15 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Suter Sullivan | sulliv002sut | 1901 | 6/16-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Ted Sullivan | sulliv001tp- | 1901 | , | ||||
| Thomas Sullivan | sulliv050--- | 1901 | 5/2-6/15 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Ollie Summers | summer001oli | 1901 | no g. | Raleigh Senators | North Carolina League | Statesville, NC | |
| Ollie Summers | summer001oli | 1901 | 5/21-5/31 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Ollie Summers | summer001oli | 1901 | 6/4-6/30 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Ollie Summers | summer001oli | 1901 | 7/4-7/6 | New London Whalers | Connecticut State League | New London, CT | |
| W. B. Surles | 1901 | +8/10+ | Durham NC | Independent | Durham, NC | ||
| W. B. Surles | 1901 | 8/16- | New Bern NC | Independent | New Bern, NC | ||
| Sussman | sussma000--- | 1901 | 8/11 | Columbus Senators | Western Association | Columbus, OH | |
| William Sutch | sutch-001wil | 1901 | 5/9-6/5 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Al. Suterfield | 1901 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |||
| Jack Sutthoff | suttho001joh | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Jack Sutthoff | suttho001joh | 1901 | 7/14-8/18 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Jack Sutthoff | suttho001joh | 1901 | 11 g. | Cincinnati | National League | Cincinnati, OH | |
| Harry Swacina | swacin001har | 1901 | 5/2-6/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Harry Swacina | swacin001har | 1901 | 6/27-6/30 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Harry Swacina | swacin001har | 1901 | 7/7 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Harry Swacina | swacin001har | 1901 | 7/15-9/11 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Harry Swacina | swacin001har | 1901 | 9/15-9/25 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Herbert Swaers | swaers000ber | 1901 | 4/5-10/13 | Lebanon IL | Independent | Lebanon, IL | |
| Arthur Swaim | swaim-001art | 1901 | 5/9-9/7 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Cy Swaim | swaim-001cy- | 1901 | 2 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Harry Swalm | swalm-001har | 1901 | 5/2-7/9 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Pinky Swander | swande002edw | 1901 | 4/15- | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Pinky Swander | swande002edw | 1901 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | ||
| Pinky Swander | swande002edw | 1901 | -7/5 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| Pinky Swander | swande002edw | 1901 | 7/9-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Sweeney | sweene039--- | 1901 | 8/4 | Selma Christians | Southern Association | Selma, AL | |
| Norcum Sweeney | sweene038--- | 1901 | Wilm.-YMCA | Independent | Williamsport, PA | ||
| Norcum Sweeney | sweene038--- | 1901 | 7/20-8/10 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Charlie Swindells | swinde001cha | 1901 | Los Angeles Angels | California League | Los Angeles, CA | ||
| Charlie Swindells | swinde001cha | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Charlie Swindells | swinde001cha | 1901 | 5/22-10/13 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Len Swormstedt | sworms001leo | 1901 | 32 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Len Swormstedt | sworms001leo | 1901 | 9/29- | 3 g. | Cincinnati | National League | Cincinnati, OH |
| Synge | synge-000--- | 1901 | 8/5 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Bob Talbot | talbot001rob | 1901 | 4/28-6/6 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Bob Talbot | talbot001rob | 1901 | 6/13-7/19 | Columbus Senators | Western Association | Columbus, OH | |
| Bob Talbot | talbot001rob | 1901 | 7/28-9/7 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| James Tamsett | tamset001jam | 1901 | 5/8-9/7 | Albany Senators | New York State League | Albany, NY | |
| James Tamsett | tamset001jam | 1901 | 9/13-9/14 | Brockton B's | New England League | Brockton, MA | |
| Jesse Tann | tann--000jes | 1901 | +6/4+ | Ft. Collins CO | Independent | Fort Collins, CO | |
| Lee Tannehill | tanneh002lee | 1901 | 116 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Lee Tannehill | tanneh002lee | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Eugene Tansey | tansey001eug | 1901 | 7/8 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Harry Tate | tate--001har | 1901 | 5/2-9/8 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Hughie Tate | tate--001hug | 1901 | 5/11-5/19 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Taylor | taylor053--- | 1901 | 5/22 | Chester | Pennsylvania State League | Chester, PA | |
| Taylor | taylor094--- | 1901 | 9/21 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Billy Taylor | taylor002bil | 1901 | 5/2-9/7 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Dan Taylor | taylor001dan | 1901 | 37 g. | Salt Lake City | Inter-Mountain League | , | |
| Dan Taylor | taylor001dan | 1901 | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | ||
| Luther Taylor | taylor001lut | 1901 | New York | National League | New York, NY | ||
| Roy Taylor | taylor005r-- | 1901 | Colby College | College | , | ||
| Roy Taylor | taylor005r-- | 1901 | 6/1- | Haverhill Hustlers | New England League | Haverhill, MA | |
| Roy Taylor | taylor005r-- | 1901 | 7/15 | Malone | Northern New York League | Malone, NY | |
| Roy Taylor | taylor005r-- | 1901 | -8/31 | Nashua | New England League | Nashua, NH | |
| Wally Taylor | taylor001wal | 1901 | 5/8-9/7 | Utica Pentups | New York State League | Utica, NY | |
| William Taylor | taylor019wil | 1901 | 9/22-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| George Tebeau | tebeau002geo | 1901 | Kansas City Blues | Western League | Kansas City, MO | ||
| Thomas Tennant | tennan001tho | 1901-06 | No. Illinois Univ. | College | , | ||
| Adonis Terry | terry-001ado | 1901 | -8/31 | 2 g. | MLB Umpire | American League | , |
| Parry Thackara | thacka001dav | 1901 | 4/15-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Parry Thackara | thacka001dav | 1901 | 7/9-8/16 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Grant Thatcher | thatch001uly | 1901 | 5/10-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Joseph Theisen | theise001jos | 1901 | 5/4-6/10 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Joseph Theisen | theise001jos | 1901 | 6/15-9/7 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Otto Thiel | thiel-001ott | 1901 | 120 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Otto Thiel | thiel-001ott | 1901 | St. Joseph Saints | Western League | St. Joseph, MO | ||
| Henry Thielman | thielm001hen | 1901 | 7/2-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Jake Thielman | thielm001joh | 1901 | 5/1-9/17 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Jake Thielman | thielm001joh | 1901 | 9/18-10/12 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Rudolph Thielman | thielm001r-- | 1901 | 5/1-6/6 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Rudolph Thielman | thielm001r-- | 1901 | 6/9-8/10 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Jack Thiery | thiery001joh | 1901 | 1 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Jack Thiery | thiery001joh | 1901 | 5/19-5/26 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Jack Thiery | thiery001joh | 1901 | 5/28-9/8 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Thomas | thomas011--- | 1901 | 6/12-7/5 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Thomas | thomas101--- | 1901 | 7/21 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Bill Thomas | thomas007wil | 1901 | 7/7 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Joe Thomas | thomas001tho | 1901 | Marysville | Northern California League | Marysville, | ||
| Joe Thomas | thomas001tho | 1901 | 13 g. | Sacramento Senators | California League | Sacramento, CA | |
| Ralph Thomas | thomas022--- | 1901 | 4/15-7/4 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Roy Thomas | thomas002roy | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Tom Thomas | thomas005tho | 1901 | 12 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Tom Thomas | thomas005tho | 1901 | Colorado Springs Millionaires | Western League | Colorado Springs, CO | ||
| Thompson | thomps121--- | 1901 | no g. | Cincinnati | National League | Cincinnati, OH | |
| A.W. Thompson | thomps000aw- | 1901 | 7/1-7/26 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Harry Thompson | thomps007har | 1901 | Fort Scott | Independent | Fort Scott, KS | ||
| Jack Thompson | thomps011joh | 1901 | 5/2-9/8 | Bloomington Blues | Illinois-Indiana-Iowa League | Bloomington, IL | |
| John Thompson | thomps019joh | 1901 | Spiceland Col | College | , | ||
| John Thompson | thomps019joh | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| John Thompson | thomps019joh | 1901 | 7/14 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Michael Thompson | 1901 | Georgetown Col | College | , | |||
| Win Thompson | thomps001win | 1901 | 6/10-7/27 | Nashua | New England League | Nashua, NH | |
| Jack Thoney | thoney001joh | 1901 | 6/11-9/20 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| George Thorne | thorne002geo | 1901 | 6/19-6/28 | Lowell Tigers | New England League | Lowell, MA | |
| John Thornton | thornt003joh | 1901 | 4/25-4/28 | Grand Rapids | Western League | Grand Rapids, MI | |
| John Thornton | thornt003joh | 1901 | 5/9-9/22 | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Ross Thornton | thornt001ros | 1901 | 6/25-7/2 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Ross Thornton | thornt001ros | 1901 | 7/19-7/21 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Walter Thornton | thornt002wal | 1901 | Everett WA | Independent | Everett, WA | ||
| Hal Thruman | 1901 | +4/20-4/22+ | Univ. Missouri | College | , | ||
| Manley Thurston | thurst000man | 1901 | Detroit A. C. | Independent | Detroit, MI | ||
| N.F. Thurston | thurst002--- | 1901 | 5/2-5/7 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Pat Tibald | tibald001pet | 1901 | 4/25-5/18 | Marion Glass Blowers | Western Association | Marion, IN | |
| Pat Tibald | tibald001pet | 1901 | 5/28 | Grand Rapids | Western League | Grand Rapids, MI | |
| Pat Tibald | tibald001pet | 1901 | 6/2-8/4 | Rockford Red Sox | Illinois-Indiana-Iowa League | Rockford, IL | |
| Pat Tibald | tibald001pet | 1901 | 8/27-9/22 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Grand Rapids, MI | |
| James Tibbetts | tibbet002jam | 1901 | 5/30-7/6 | Lewiston | New England League | Lewiston, ME | |
| Ed Tierney | tierne001edw | 1901 | 5/16 | Lowell Tigers | New England League | Lowell, MA | |
| Mark Tierney | tierne001edw | 1901 | +5/16+ | Lowell Tigers | New England League | Lowell, MA | |
| Jack Tighe | tighe-001joh | 1901 | 5/4-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Tilton | tilton002--- | 1901 | 6/15 | Manchester | New England League | Manchester, NH | |
| Joe Tinker | tinker001jos | 1901 | 5/1-10/12 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| John Titus | titus-001joh | 1901 | 5/24-5/30 | Pottsville | Pennsylvania State League | Pottsville, PA | |
| William Tobey | tobey-000wh- | 1901 | Brown Univ. | College | , | ||
| William Tobey | tobey-000wh- | 1901 | 7/2-8/29 | Malone | Northern New York League | Malone, NY | |
| Charles Todd | 1901 | Georgia Tech | College | , | |||
| Jack Toft | toft--001jam | 1901 | 4/26-5/6 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Jack Toft | toft--001jam | 1901 | 5/10-9/21 | Toronto Royals | Eastern League | Toronto, ON | |
| Jimmy Toman | toman-001jam | 1901 | 5/3-9/18 | Omaha Omahogs | Western League | Omaha, NE | |
| Cy Torrence | torren001osc | 1901 | 5/2-5/30 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Babe Towne | towne-001jay | 1901 | +8/12+ | Fort Dodge | Independent | Fort Dodge, IA | |
| Harry Towne | towne-001har | 1901 | 6/15-9/2 | Lewiston | New England League | Lewiston, ME | |
| Cy Townsend | townse002cha | 1901 | 5/8-7/10 | Cortland/Waverly | New York State League | Cortland, NY | |
| Cy Townsend | townse002cha | 1901 | 7/15-8/17 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Cy Townsend | townse002cha | 1901 | 8/26-9/7 | Ilion Typewriters | New York State League | Ilion, NY | |
| Happy Townsend | townse001joh | 1901 | 4/19- | 19 g. | Philadelphia | National League | Philadelphia, PA |
| Zob Townsend | townse000zob | 1901-04 | U. Nebraska | College | , | ||
| Charles Traeger | traege002cha | 1901 | 4/15-6/24 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Wix Treadway | treadw001win | 1901 | 1 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Vere Treichler | treich001--- | 1901 | +4/30-5/5+ | Franklin & Marshall | College | , | |
| Vere Treichler | treich001--- | 1901 | 6/13-6/17 | Lancaster | Pennsylvania State League | Lancaster, PA | |
| Vere Treichler | treich001--- | 1901 | 7/11-7/14 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Vere Treichler | treich001--- | 1901 | Franklin & Marshall | College | , | ||
| Ike Trimbkle/Trin | 1901 | 5/18 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | ||
| Octave Trosclair | 1901 | St. Mary's Col. | College | , | |||
| Troy | troy--001--- | 1901 | 6/8-6/15 | Easton | Pennsylvania State League | Easton, PA | |
| Thad Troy | troy--001tha | 1901 | 5/4-5/23 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Harry Truby | truby-002har | 1901 | 4/25-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Jonathan Trumbull | trumbu002--- | 1901 | 8/8 | Bristol Bell Makers | Connecticut State League | Bristol, CT | |
| Fred Tucker | tucker001f-- | 1901 | 7/17-8/12 | Cortland/Waverly | New York State League | Waverly, NY | |
| Fred Tucker | tucker001f-- | 1901 | 9/6 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Tommy Tucker | tucker003tho | 1901 | 6/18-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Tom Tuckey | tuckey002tho | 1901 | 5/4-9/4 | Derby Angels | Connecticut State League | Derby, CT | |
| Herman Tull | tull--001h-- | 1901 | 5/22 | Lewiston | New England League | Lewiston, ME | |
| Tullar | tullar000--- | 1901 | 2 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Turner | turner062--- | 1901 | 8/14-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Daniel Turner | turner003dan | 1901 | 4/25-5/25 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Daniel Turner | turner003dan | 1901 | 7/1-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Jack Turner | turner004jac | 1901 | Grand Forks | Independent | Grand Forks, ND | ||
| Terry Turner | turner001ter | 1901 | Columbus Senators | Western Association | Columbus, OH | ||
| Terry Turner | turner001ter | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Thomas Turner | turner006tho | 1901 | preseason | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Thomas Turner | turner006tho | 1901 | 6/6-6/9 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Tuck Turner | turner002tuc | 1901 | 4/26-7/19 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Tuck Turner | turner002tuc | 1901 | 8/9-8/16 | Toronto Royals | Eastern League | Toronto, ON | |
| Emil Uhler | uhler-001emi | 1901 | Chicago City League | , | |||
| Fred Underwood | underw002fre | 1901 | 19 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Bob Unglaub | unglau002rob | 1901 | 4/26-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Tommy Uniac | uniac-001tho | 1901 | Dartmouth Col. | College | , | ||
| Tommy Uniac | uniac-001tho | 1901 | 5/14-5/23 | Brockton B's | New England League | Concord, NH | |
| Tommy Uniac | uniac-001tho | 1901 | 7/2-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| J. Sherwood Upchurch | 1901 | +4/30=5/18+ | Umpire | Virginia-North Carolina League | , | ||
| Bill Urquhart | urquha001wil | 1901 | 4/28-9/9 | Hartford Indians/Wooden Nutmegs | Eastern League | Hartford, CT | |
| Lon Ury | ury---001lou | 1901 | Joplin | Joplin, MO | |||
| Fred Valdois | valdoi001fre | 1901 | 5/2-7/13 | Selma Christians | Southern Association | Selma, AL | |
| Fred Valdois | valdoi001fre | 1901 | 7/21-9/24 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Deacon Van Buren | vanbur001edw | 1901 | 4/25-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Dow Van Dine | vandin001dow | 1901 | Sedalia | Independent | Sedalia, MO | ||
| Dow Van Dine | vandin001dow | 1901 | Shawnee OK | Independent | Shawnee, OK | ||
| Colbert Van Giesen | vangie001col | 1901 | 7/7 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| George Van Haltren | vanhal001geo | 1901 | New York | National League | New York, NY | ||
| Ike Van Zandt | vanzan001cha | 1901 | 8/5- | 3 g. | New York | National League | New York, NY |
| Joe VanderWeg | vander005--- | 1901 | +9/29+ | Big Rapids | Independent | Big Rapids, MI | |
| Albert Varco | 1901-05 | U. of Minnesota | College | , | |||
| Dike Varney | varney001law | 1901 | 7/2-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Cal Vasbinder | vasbin001mos | 1901 | 4/27-6/27 | Marion Glass Blowers | Western Association | Marion, IN | |
| Farmer Vaughn | vaughn001far | 1901 | , | ||||
| Jack Vaughn | vaughn000jac | 1901 | 6//3-6/5 | Augusta | New England League | Augusta, ME | |
| Bucky Veil | veil--001fre | 1901 | no g. | Charlotte Hornets | Virginia-North Carolina League | Newport News, VA | |
| Joseph Veitch | veitch001jos | 1901 | 5/2-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| Charles Venable | venabl001cha | 1901 | 6/4-7/6 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Charles Venable | venabl001cha | 1901 | 7/16-8/17 | Raleigh Senators | North Carolina League | Raleigh, NC | |
| Perry Verga | verga-001geo | 1901 | +8/9+ | Chester | Independent | Chester, PA | |
| Kangaroo Verstay | versta001--- | 1901 | +6/30+ | Grand Rapids | Western League | Grand Rapids, MI | |
| George Vetter | vetter001geo | 1901 | 6/9 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| George Vetter | vetter001geo | 1901 | +8/25+ | Loui.-Reccius | Independent | Louisville, KY | |
| Phil Vetter | vetter001phi | 1901 | Loui.-Eppings | Independent | Louisville, KY | ||
| Phil Vetter | vetter001phi | 1901 | 6/9 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Lee Viau | viau--001lee | 1901 | 5/8-9/7 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Rube Vickers | vicker001har | 1901 | no g. | Fort Wayne Railroaders | Western Association | Fort Wayne, IN | |
| Vickery | vicker004--- | 1901 | 8/20-8/24 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Sammy Vigneux | vignea001sam | 1901 | 5/1-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| George Villeman | villem001geo | 1901 | 5/9-9/5 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Rube Vinson | vinson001ern | 1901 | Ches.-Highland | Independent | Chester, PA | ||
| Frank Violet | violet001fra | 1901 | +6/16+ | Canton | Independent | Canton, OH | |
| Rony Viox | viox--001hen | 1901 | 4/25-9/22 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| James Vizard | vizard001jam | 1901 | Toledo Swamp Angels | Western Association | Toledo, OH | ||
| James Vizard | vizard001jam | 1901 | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | ||
| James Vizard | vizard001jam | 1901 | Grand Rapids | Western League | Grand Rapids, MI | ||
| Oscar Vogeding | 1901 | 6/10-6/15 | Reading | Pennsylvania State League | Reading, PA | ||
| Oscar Vogeding | 1901 | +8/3+ | Westville NJ | Independent | Westville, NJ | ||
| Oscar Vogeding | 1901 | +8/17+ | Newbold NJ | Independent | Newbold, NJ | ||
| Oscar Vogeding | 1901 | +9/4-9/7 | Salem NJ | Independent | Salem, NJ | ||
| Jim Vollendorf | vollen001ado | 1901 | 5/6-8/8 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jim Vollendorf | vollen001ado | 1901 | 8/17-8/26 | Meriden Miler | Connecticut State League | Meriden, CT | |
| Jake Volz | volz--001jac | 1901 | 4/16-6/13 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Jake Volz | volz--001jac | 1901 | 6/25-9/2 | Manchester | New England League | Manchester, NH | |
| Jake Volz | volz--001jac | 1901 | 9/28 | Boston | American League | Boston, MA | |
| Cy Vorhees | vorhee001hen | 1901 | 4/22-7/2 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Cy Vorhees | vorhee001hen | 1901 | +8/1+ | Atlantic City | Independent | Atlantic City, NJ | |
| William Vought | vought002wil | 1901 | 7/12 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| William Vought | vought002wil | 1901 | 7/25-9/9 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Waddell | 1901 | Yale Univ. | College | , | |||
| Waddell | 1901 | Paul Smith’s | Independent | , | |||
| Rube Waddell | waddel001geo | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Rube Waddell | waddel001geo | 1901 | Chicago | National League | Chicago, IL | ||
| Ernie Wade | wade--002ern | 1901 | 5/4-5/30 | New London Whalers | Connecticut State League | New London, CT | |
| Ernie Wade | wade--002ern | 1901 | 8/30-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| James Wadsworth | wadswo001joh | 1901 | 25 g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Butts Wagner | wagner001but | 1901 | 4/26-6/18 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Ivor Wagner | wagner001ivo | 1901 | 6/18-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Johnny Wagner | wagner005joh | 1901 | 5/8-5/30 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Johnny Wagner | wagner005joh | 1901 | 6/14-7/18 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Johnny Wagner | wagner005joh | 1901 | 7/23-8/9 | Canton | Northern New York League | Canton, NY | |
| Johnny Wagner | wagner005joh | 1901 | 8/12-8/23 | Ilion Typewriters | New York State League | Ilion, NY | |
| Johnny Wagner | wagner005joh | 1901 | 8/27-9/7 | Cortland/Waverly | New York State League | Waverly, NY | |
| Benjamin Waitt | waitt-000ben | 1901 | Lynn Live Oaks | New England League | Lynn, MA | ||
| Benjamin Waitt | waitt-000ben | 1901 | 7/4-7/7 | Lynn Live Oaks | New England League | Lynn, MA | |
| Dit Wakefield | wakefi001hen | 1901 | +8/9+ | Springfield | Independent | Springfield, MO | |
| Irv Waldron | waldro001irv | 1901 | Milwaukee | American League | Milwaukee, WI | ||
| Irv Waldron | waldro001irv | 1901 | Washington | American League | Washington, DC | ||
| Walker | walker078--- | 1901 | 4/30-5/5 | Rochester Bronchos | Eastern League | Rochester, NY | |
| Ed Walker | walker001edw | 1901 | 9/17-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Tom Walker | walker006tho | 1901 | 5/13-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Joe Wall | wall--005jos | 1901 | 5/8-5/14 | Columbus Senators | Western Association | Columbus, OH | |
| Joe Wall | wall--005jos | 1901 | 5/20-5/25 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Joe Wall | wall--005jos | 1901 | 7/16-7/19 | Utica Pentups | New York State League | Utica, NY | |
| Joe Wall | wall--005jos | 1901 | 7/24-7/27 | Cortland/Waverly | New York State League | Waverly, NY | |
| Joe Wall | wall--005jos | 1901 | 9/22- | 4 g. | New York | National League | New York, NY |
| Bobby Wallace | wallac002rho | 1901 | St. Louis | National League | St. Louis, MO | ||
| E. B. Wallace | 1901 | Callum | Independent | Callum, AL | |||
| Red Waller | waller001joh | 1901 | 5/22-9/5 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Walsh | walsh-075--- | 1901 | 8/1-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| John Walsh | walsh-006joh | 1901 | Notre Dame | College | , | ||
| Joseph Walsh | walsh-007jos | 1901 | 6/3-6/27 | Augusta | New England League | Augusta, ME | |
| M.J. Walsh | walsh-001m-- | 1901 | Georgetown U. | College | , | ||
| M.J. Walsh | walsh-001m-- | 1901 | 7/2-8/30 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Walters | walter036--- | 1901 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | ||
| Amos Walters | 1901-02 | Canton OH HS | High School | , | |||
| Jack Walters | walter001joh | 1901 | 4/26-9/21 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Lew Walters | walter001lew | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Roxey Walters | walter001lou | 1901 | no g. | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Roxey Walters | walter001lou | 1901 | +5/19+ | Marshfield WI | Independent | Marshfield, WI | |
| Roxey Walters | walter001lou | 1901 | +8/7+ | Ashland | Independent | Ashland, WI | |
| Walton | walton013--- | 1901 | 7/13 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Walton | walton014--- | 1901 | 8/3 | Memphis Egyptians | Southern Association | Memphis, TN | |
| Wanek | wanek-000--- | 1901 | +9/3-10/5+ | Giltner NE | Independent | Giltner, NE | |
| Ward | 1901 | Yale Univ. | College | , | |||
| Piggy Ward | ward--002fra | 1901 | 5/4-9/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Rube Ward | ward--003joh | 1901 | 2 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Rube Ward | ward--003joh | 1901 | Wash Ct House | Independent | Washington, DC | ||
| Warner | warner010--- | 1901 | 4/15-4/27 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | |
| Al Warner | warner002al- | 1901 | 4/25-8/18 | Umpire | Eastern League | , | |
| Bobby Warner | warner002rob | 1901 | Sioux Falls | Independent | Sioux Falls, SD | ||
| Warren | warren028--- | 1901 | 5/15 | Augusta | New England League | Augusta, ME | |
| Wally Warren | warren002wal | 1901 | 4/15-7/6 | Wilmington Giants | Virginia-North Carolina League | Wilmington, NC | |
| Wally Warren | warren002wal | 1901 | 7/9-8/17 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Mum Warrender | warren002fra | 1901 | 111 g. | Des Moines Hawkeyes | Western League | Des Moines, IA | |
| Libe Washburn | washbu001lib | 1901 | Brown Univ. | College | , | ||
| Libe Washburn | washbu001lib | 1901 | 7/2-8/29 | Malone | Northern New York League | Malone, NY | |
| Buck Washer | washer001wil | 1901 | Bucktel Col | College | , | ||
| Frank Waterbury | waterb001fra | 1901 | Oakland Commuters | California League | Oakland, CA | ||
| Bill Watkins | watkin002bil | 1901 | 4/25-7/11 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Bill Watson | watson001bil | 1901 | 4/26-4/27 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Horace Watt | watt--000hor | 1901 | Niagara Univ | College | , | ||
| Horace Watt | watt--000hor | 1901 | 7/2-7/19 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Horace Watt | watt--000hor | 1901 | 8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| William Wayne | wayne-001wil | 1901 | 5/3-5/14 | Memphis Egyptians | Southern Association | Memphis, TN | |
| William Wayne | wayne-001wil | 1901 | 5/28-6/20 | Shreveport Giants | Southern Association | Shreveport, LA | |
| William Wayne | wayne-001wil | 1901 | 7/1-7/27 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| William Wayne | wayne-001wil | 1901 | 9/6-9/22 | Umpire | Southern League | , | |
| Dick Weand | weand-001geo | 1901 | Phil.-Cosmopolitans | Independent | Philadelphia, PA | ||
| Wear | 1901 | Yale Univ. | College | , | |||
| Wear | 1901 | Paul Smith’s | Independent | , | |||
| Art Weaver | weaver001art | 1901 | 5/2-9/6 | Cedar Rapids Rabbitts | Illinois-Indiana-Iowa League | Cedar Rapids, IA | |
| Art Weaver | weaver001art | 1901 | 9/10-9/16 | Omaha Omahogs | Western League | Omaha, NE | |
| Buck Weaver | weaver025--- | 1901 | 5/24-6/1 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Buck Weaver | weaver025--- | 1901 | 7/9-8/17 | Charlotte Hornets | North Carolina League | Charlotte, NC | |
| Farmer Weaver | weaver001far | 1901 | 24 g. | Lagoon | Inter-Mountain League | Lagoon, UT | |
| John Weaver | weaver003joh | 1901 | 4/15- | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| John Weaver | weaver003joh | 1901 | Richmond Bluebirds | Virginia-North Carolina League | Richmond, VA | ||
| John Weaver | weaver003joh | 1901 | -7/4 | Charlotte Hornets | Virginia-North Carolina League | Charlotte, NC | |
| John Weaver | weaver003joh | 1901 | 7/18-8/13 | Selma Christians | Southern Association | Selma, AL | |
| Charlie Weber | weber-003cha | 1901 | , | ||||
| Edward Webster | webste001edw | 1901 | 37 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Al Weddige | weddig001alb | 1901 | 4/20- | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | |
| Al Weddige | weddig001alb | 1901 | -7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Al Weddige | weddig001alb | 1901 | 7/9-8/17 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| Fred Weed | weed--001fre | 1901 | 5/1-10/13 | Portland Webfoots | Pacific Northwest League | Portland, OR | |
| Weeks | weeks-001--- | 1901 | 4/18- | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| Weeks | weeks-001--- | 1901 | -5/11 | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| Walter Weeks | weeks-001w-- | 1901 | Nevada MO | Independent | Nevada, MO | ||
| Bill Weigand | weigan002wil | 1901 | 5/10-5/30 | Albany Senators | New York State League | Albany, NY | |
| Curt Weigand | weigan001cur | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| Henry Weihrauch | weihra001hen | 1901 | 5/2-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Frank Weikart | weiker001fra | 1901 | 5/2-9/23 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Jake Weimer | weimer001jac | 1901 | 39 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Louis Weisbecker | weisbe001lou | 1901 | 5/4-9/7 | Waterbury Rough Riders | Connecticut State League | Waterbury, CT | |
| Welch | welch-054--- | 1901 | 1 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Harry Welch | welch-002har | 1901-02 | +4/10+ | Creighton Univ | College | , | |
| Herbert Welch | welch-001her | 1901 | 5/15-7/20 | Portland | New England League | Portland, ME | |
| Hector Welday | 1901 | no g. | St. Joseph Saints | Western League | St. Joseph, MO | ||
| Mike Welday | welday001lyn | 1901 | +6/30+ | Leavenworth KS | Independent | Leavenworth, KS | |
| Fred Wenig | wenig-001fre | 1901 | 8/22-9/8 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | |
| Wente | wente-000--- | 1901 | 6/4-6/23 | Cortland/Waverly | New York State League | Cortland, NY | |
| Jack Wentz | wentz-001jac | 1901 | 5/2-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Perry Werden | werden001per | 1901 | 121 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Perry Werden | werden001per | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| Charles Werner | werner001j-- | 1901 | 5/10-6/18 | Utica Pentups | New York State League | Utica, NY | |
| Leo Werner | 1901 | Umpire | Western League | , | |||
| Frank West | west--002fra | 1901 | 5/27 | Indianapolis/Matthews Hoosiers | Western Association | Indianapolis, IN | |
| Frank West | west--002fra | 1901 | 6/14 | Marion Glass Blowers | Western Association | Marion, IN | |
| Bob Westlake | westla001rob | 1901 | 4/15-6/15 | Portsmouth Browns | Virginia-North Carolina League | Portsmouth, VA | |
| Bob Westlake | westla001rob | 1901 | 7/4-9/22 | New Orleans Pelicans | Southern Association | New Orleans, LA | |
| Gus Weyhing | weyhin001aug | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Gus Weyhing | weyhin001aug | 1901 | 2 g. | Cleveland | American League | Cleveland, OH | |
| Gus Weyhing | weyhin001aug | 1901 | 8/21 | Cincinnati | National League | Cincinnati, OH | |
| Jimmy Whalen | whalen003wil | 1901 | 67 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Wharton | wharto001--- | 1901 | 6/11-6/15 | Middletown | Pennsylvania State League | Middletown, PA | |
| J. Frank Wheatley | 1901-03 | Cornell Univ. | College | , | |||
| Wheeler | wheele004--- | 1901 | 6/13-6/21 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Ed Wheeler | wheele003edw | 1901 | 4/25-9/22 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Ed Wheeler | wheele003edw | 1901 | 1 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| George Wheeler | wheele002geo | 1901 | Middlebury Col | College | , | ||
| George Wheeler | wheele002geo | 1901 | 5/9-9/6 | Rome Romans | New York State League | Rome, NY | |
| John Wheeler | wheele002joh | 1901 | 5/14-5/17 | Rome Romans | New York State League | Rome, NY | |
| Perley Wheeler | wheele000per | 1901 | Cornell Univ | College | , | ||
| Perley Wheeler | wheele000per | 1901 | 7/2 | Plattsburgh | Northern New York League | Plattsburgh, NY | |
| Wheelock | wheelo000--- | 1901 | 6/29-7/13 | Derby Angels | Connecticut State League | Derby, CT | |
| Wheelock | wheelo000--- | 1901 | 8/2 | New London Whalers | Connecticut State League | New London, CT | |
| Bobby Wheelock | wheelo001bob | 1901 | Umpire | New England League | , | ||
| Lew Whistler | whistl002lew | 1901 | 5/3-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| White | white-041--- | 1901 | 8/28-8/29 | Ilion Typewriters | New York State League | Ilion, NY | |
| White | white-116--- | 1901 | 7/27-8/9 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| White | white-112--- | 1901 | 6/29 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| White | white-048--- | 1901 | +6/10-6/17+ | Haverhill Hustlers | New England League | Haverhill, MA | |
| Doc White | white-001guy | 1901 | Philadelphia | National League | Philadelphia, PA | ||
| Gordon White | white-001gor | 1901 | Smithland IA | Independent | Smithland, IA | ||
| H. White | white-001h-- | 1901 | Sacramento Senators | California League | Sacramento, CA | ||
| Harvey White | 1901 | Muskegon | Independent | Muskegon, MI | |||
| Jack White | white-012joh | 1901 | 4/26-6/4 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Roy White | white-004roy | 1901 | Richmond Col. | College | , | ||
| Will White | white-003bil | 1901 | 6/4-? | Grand Rapids Woodworkers/Wheeling Stogies | Western Association | Wheeling, WV | |
| Whiting | 1901 | Grand Forks | Independent | Grand Forks, ND | |||
| Jesse Whiting | whitin002jes | 1901 | Chester | Pennsylvania State League | Chester, PA | ||
| Jesse Whiting | whitin002jes | 1901 | 5/15-9/2 | Manchester | New England League | Manchester, NH | |
| Whitney | whitne011--- | 1901 | 8/10 | Nashua | New England League | Nashua, NH | |
| Al Whitridge | whitri001alb | 1901 | 52 g. | Colorado Springs Millionaires | Western League | Colorado Springs, CO | |
| Al Whitridge | whitri001alb | 1901 | Minneapolis Millers | Western League | Minneapolis, MN | ||
| Buck Whittemore | whitte000buc | 1901 | Brown Univ. | College | , | ||
| Buck Whittemore | whitte000buc | 1901 | 7/2-8/29 | Malone | Northern New York League | Malone, NY | |
| R. Wiche | wiche-000r-- | 1901 | 5/5-5/9 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Bob Wicker | wicker001rob | 1901 | 4/25-7/11 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Bob Wicker | wicker001rob | 1901 | 7/22- | 3 g. | St. Louis | National League | St. Louis, MO |
| C.W. Wickizer | wickhe001c-- | 1901 | +7/3+ | Nevada MO | Independent | Nevada, MO | |
| C.W. Wickizer | wickhe001c-- | 1901 | +7/18+ | Sedalia | Independent | Sedalia, MO | |
| C.W. Wickizer | wickhe001c-- | 1901 | +7/28+ | Nevada MO | Independent | Nevada, MO | |
| Fred Wiecke | 1901 | 12 g. | Salt Lake City | Inter-Mountain League | , | ||
| Wiggins | wiggin013--- | 1901 | 6/28-7/1 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| Jimmy Wiggs | wiggs-001jam | 1901 | 12 g. | St. Joseph Saints | Western League | St. Joseph, MO | |
| Jimmy Wiggs | wiggs-001jam | 1901 | Des Moines Hawkeyes | Western League | Des Moines, IA | ||
| Jimmy Wiggs | wiggs-001jam | 1901 | Minneapolis Millers | Western League | Minneapolis, MN | ||
| Edwin Wilder | wilder015--- | 1901 | 7/29-7/31 | Manchester | New England League | Manchester, NH | |
| Wid Wilder | wilder000wid | 1901 | U. of Pennsylvania | College | , | ||
| Wid Wilder | wilder000wid | 1901 | 7/5 | Malone | Northern New York League | Malone, NY | |
| Wid Wilder | wilder000wid | 1901 | Loon Lake | Independent | Loon Lake, | ||
| Jack Wiley | wiley-001joh | 1901 | 5/15-9/2 | Portland | New England League | Portland, ME | |
| Jack Wiley | wiley-001joh | 1901 | 9/4-9/21 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Harry Wilhelm | wilhel002har | 1901 | 4/30-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Irvin Wilhelm | wilhel001irv | 1901 | 5/2-9/25 | Birmingham Barons | Southern Association | Birmingham, AL | |
| George Wilkinson | wilkin003geo | 1901 | 5/2-9/8 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Jack Wilkinson | wilkin004jac | 1901 | 5/3 | Marion Glass Blowers | Western Association | Marion, IN | |
| Jack Wilkinson | wilkin004jac | 1901 | 5/7- | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Jack Wilkinson | wilkin004jac | 1901 | Davenport River Rats | Illinois-Indiana-Iowa League | Davenport, IA | ||
| Jack Wilkinson | wilkin004jac | 1901 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | ||
| Jack Wilkinson | wilkin004jac | 1901 | -9/7 | Decatur Commodores | Illinois-Indiana-Iowa League | Decatur, IL | |
| Williams | willia001kid | 1901 | 7/14 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Clyde Williams | willia002s-- | 1901 | , | ||||
| Dal Williams | willia001lev | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| Dal Williams | willia001lev | 1901 | 7/13-9/21 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Dave Williams | willia013dav | 1901 | Lestershire NY | Independent | Lestershire, NY | ||
| Dave Williams | willia013dav | 1901 | 9/5 | Albany Senators | New York State League | Albany, NY | |
| David Williams | willia025dav | 1901 | 33 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Jimmy Williams | willia025jam | 1901 | Baltimore | American League | Baltimore, MD | ||
| Pop Williams | willia008wal | 1901 | 4/27-9/20 | Toronto Royals | Eastern League | Toronto, ON | |
| Tom Williams | willia004tom | 1901 | 4/25-9/21 | Columbus Senators | Western Association | Columbus, OH | |
| Henry Willig | willig001hen | 1901 | 5/11 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Henry Willig | willig001hen | 1901 | 7/10-8/10 | Wilmington Giants | North Carolina League | Wilmington, NC | |
| Delaware Willis | willis001del | 1901 | Lafayette College | College | , | ||
| Delaware Willis | willis001del | 1901 | +7/25+ | Brownson | Independent | Brownson, | |
| Frank Willis | willis001fra | 1901 | 5/20-9/2 | Bangor | New England League | Bangor, ME | |
| Vic Willis | willis001vic | 1901 | Boston | National League | Boston, MA | ||
| Robert Willner | willne001rob | 1901 | 5/1-7/10 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Robert Willner | willne001rob | 1901 | 7/18-9/29 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| John Willoughby | 1901 | Meriden Miler | Connecticut State League | Meriden, CT | |||
| Charles Wills | wills-001cha | 1901 | College | , | |||
| Charles Wills | wills-001cha | 1901 | Matthews-Giants | Independent | Matthews, IN | ||
| Charles Wills | wills-001cha | 1901 | 7/13-9/18 | Indianapolis/Matthews Hoosiers | Western Association | Matthews, IN | |
| Walt Wilmot | wilmot001wal | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Walt Wilmot | wilmot001wal | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Robert Wilner | willne001rob | 1901 | 5/1-7/10 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Robert Wilner | willne001rob | 1901 | 7/18-9/29 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Bill Wilson | wilson003bil | 1901 | 99 g. | St. Paul Saints | Western League | St. Paul, MN | |
| George Wilson | wilson022geo | 1901 | 5/15 | Evansville River Rats | Illinois-Indiana-Iowa League | Evansville, IN | |
| Howard Wilson | wilson001how | 1901 | Norwich Witches | Connecticut State League | Norwich, CT | ||
| Parke Wilson | wilson001par | 1901 | 4/25-8/6 | Montreal Royals | Eastern League | Montreal, QC | |
| Parke Wilson | wilson001par | 1901 | 73 g. | San Francisco Wasps | California League | San Francisco, CA | |
| Hooks Wiltse | wiltse001geo | 1901 | 5/13,6/4 | Albany Senators | New York State League | Albany, NY | |
| Lewis Wiltse | wiltse001lew | 1901 | Philadelphia | American League | Philadelphia, PA | ||
| Lewis Wiltse | wiltse001lew | 1901 | Pittsburgh | National League | Pittsburgh, PA | ||
| Fred Winchell | winche001fre | 1901- | Princeton Univ. | College | , | ||
| James Winger | 1901 | Well.-2nd Ward | Independent | Wellington, | |||
| Lave Winham | winham001laf | 1901 | +5/19-9/29+ | Brooklyn Empires | Independent | Brooklyn, NY | |
| Dicey Winston | winsto006--- | 1901 | 5/25 | Raleigh Senators | Virginia-North Carolina League | Raleigh, NC | |
| George Winter | winter001geo | 1901 | Gettsburg Col. | College | , | ||
| George Winter | winter001geo | 1901 | 6/15- | Boston | American League | Boston, MA | |
| George Winters | winter002geo | 1901 | 9/6-9/22+ | Selma Christians | Southern Association | Selma, AL | |
| Nick Wise | wise--002nic | 1901 | 5/15-9/2 | Lewiston | New England League | Lewiston, ME | |
| Wiseman | wisema000--- | 1901 | 5/8 | Cortland/Waverly | New York State League | Cortland, NY | |
| Doc Wiseman | wisema001jul | 1901 | 5/2-9/25 | Nashville Vols/Volunteers | Southern Association | Nashville, TN | |
| George Witbeck | witbec001geo | 1901 | Union College | College | , | ||
| George Witbeck | witbec001geo | 1901 | 7/22-8/29 | Potsdam | Northern New York League | Potsdam, NY | |
| Al Withoff | withof001al- | 1901 | 4/25-4/27 | Columbus Senators | Western Association | Columbus, OH | |
| Abbott Witman | witman001w-- | 1901 | Reading | Pennsylvania State League | , | ||
| Harvey Witt | witt--002har | 1901 | Hancock | Hancock, | |||
| Bill Wittrock | whitro001bil | 1901 | 6/14-6/27 | Derby Angels | Connecticut State League | Derby, CT | |
| Chicken Wolf | wolf--001chi | 1901 | Loui.-Reccius | Louisville City League | Louisville, KY | ||
| James Wolf | 1901 | Cleveland | American League | Cleveland, OH | |||
| Lefty Wolf | wolf--000lef | 1901 | 5/7 | Terre Haute Hottentots | Illinois-Indiana-Iowa League | Terre Haute, IN | |
| Walter Wolf | wolf--004wal | 1901 | 5/2-5/4 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Barney Wolfe | wolfe-001wil | 1901 | 47 g. | Kansas City Blues | Western League | Kansas City, MO | |
| Maurice Wolfe | wolfe-001mau | 1901 | 5/8-9/5 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| Orville Wolfe | 1901 | Winchester IN | Independent | Winchester, IN | |||
| William Wolfe | wolfe-002wil | 1901 | 4/16- | Norfolk Skippers | Virginia-North Carolina League | Norfolk, VA | |
| William Wolfe | wolfe-002wil | 1901 | Newport News Shipbuilders | Virginia-North Carolina League | Newport News, VA | ||
| William Wolfe | wolfe-002wil | 1901 | -7/6 | Tarboro Tartars | Virginia-North Carolina League | Tarboro, NC | |
| William Wolfe | wolfe-002wil | 1901 | 7/12-8/16 | Tarboro Tartars | North Carolina League | Tarboro, NC | |
| William Wolfe | wolfe-002wil | 1901 | 8/23-9/25 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Bill Wolff | wolfe-004wil | 1901 | Uxbridge MA | Independent | Uxbridge, MA | ||
| Harry Wolverton | wolver001har | 1901 | 93 g. | Philadelphia | National League | Philadelphia, PA | |
| Bob Wood | wood--005rob | 1901 | 98 g. | Cleveland | American League | Cleveland, OH | |
| Carl Wood | wood--001car | 1901 | 4/29-5/4 | Spokane Blue Stockings | Pacific Northwest League | Spokane, WA | |
| Carl Wood | wood--001car | 1901 | 6/8-6/10 | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Harry Wood | wood--001har | 1901 | U. Maryland | College | , | ||
| William Wood | wood--005wil | 1901 | 5/2-7/13 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Roy Woodbury | woodbu001roy | 1901 | 6/27-9/ | Clifton KS | Independent | Cliffton, KS | |
| Roy Woodbury | woodbu001roy | 1901 | 9/- | KC-Fosters | Independent | Kansas City, MO | |
| Mike Woodlock | woodlo001mic | 1901 | 5/10-5/15 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Mike Woodlock | woodlo001mic | 1901 | 5/17-5/24 | Columbus Senators | Western Association | Columbus, OH | |
| Mike Woodlock | woodlo001mic | 1901 | 5/25-9/22 | Toledo Swamp Angels | Western Association | Toledo, OH | |
| Sam Woodruff | woodru001orv | 1901 | 5/8-9/7 | Binghamton Bingoes | New York State League | Binghamton, NY | |
| George Woods | woods-001geo | 1901 | 5/23-5/30 | Lewiston | New England League | Lewiston, ME | |
| Walt Woods | woods-002wal | 1901 | 4/26-7/23 | Syracuse Stars/Brockton B's | Eastern League | Syracuse, NY | |
| Walt Woods | woods-002wal | 1901 | 7/25-9/14 | Brockton B's | New England League | Brockton, MA | |
| Woodworth | woodwo002--- | 1901 | 7/15-7/19 | Lewiston | New England League | Lewiston, ME | |
| C.F. Woodworth | woodwo002c-- | 1901 | 5/21,23,8/7 | Norwich Witches | Connecticut State League | Norwich, CT | |
| Frank Wooliver | wooliv001fra | 1901 | no g. | Kansas City Blues | Western League | Kansas City, MO | |
| Gene Wright | wright001cla | 1901 | 4/26-9/20 | Dayton Old Soldiers | Western Association | Dayton, OH | |
| Gene Wright | wright001cla | 1901 | 10/5 | Brooklyn | National League | Brooklyn, NY | |
| Lucky Wright | wright007wil | 1901 | Camden | Independent | Camden, TX | ||
| Pat Wright | wright003pat | 1901 | 4/25-9/22 | Marion Glass Blowers | Western Association | Marion, IN | |
| Pat Wright | 1901 | Frankfort KY | Independent | Frankfort, KY | |||
| Red Wright | wright001jos | 1901 | 5/2-9/23 | Little Rock Travelers | Southern Association | Little Rock, AR | |
| Zeke Wrigley | wrigle001zek | 1901 | 4/26-9/21 | Worcester Quakers | Eastern League | Worcester, MA | |
| Wunech | wunsch001--- | 1901 | 1 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Ad Yale | yale--001wil | 1901 | 5/4-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Worth Yancey | 1901-03 | Transylvania U. | College | , | |||
| George Yeager | yeager001geo | 1901 | 39 g. | Cleveland | American League | Cleveland, OH | |
| George Yeager | yeager001geo | 1901 | 26 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Joe Yeager | yeager002jos | 1901 | 41 g. | Detroit | American League | Detroit, MI | |
| Tom Yeager | 1901 | Kokomo IN | Independent | Kokomo, IN | |||
| Stan Yerkes | yerkes001sta | 1901 | 5/1 | Baltimore | American League | Baltimore, MD | |
| Stan Yerkes | yerkes001sta | 1901 | 5/3- | 4 g. | St. Louis | National League | St. Louis, MO |
| Stan Yerkes | yerkes001sta | 1901 | 5/30-9/18 | Marion Glass Blowers | Western Association | Marion, IN | |
| Billy York | york--001wil | 1901 | 6/7-7/6 | Umpire | Southern League | , | |
| Young | young-089--- | 1901 | 6/29 | Haverhill Hustlers | New England League | Haverhill, MA | |
| Cecil Young | young-001cec | 1901 | Dadeville AL | Independent | Dadeville, AL | ||
| Charles Young | young-002cha | 1901 | 5/10-9/6 | Schenectady Electricians | New York State League | Schenectady, NY | |
| Elmer Young | young-001elm | 1901 | 6/11-6/15 | Reading | Pennsylvania State League | Reading, PA | |
| Win Young | young-001win | 1901 | 5/4-6/4 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Jack Zalusky | zalusk001joh | 1901 | 4/25-6/29 | Louisville Colonels/Grand Rapids Furniture Makers | Western Association | Louisville, KY | |
| Jack Zalusky | zalusk001joh | 1901 | 6/30-9/22 | Grand Rapids | Western League | Grand Rapids, MI | |
| Joseph Zalusky | zalusk000jos | 1901 | Minn South HS | High School | , | ||
| Dave Zearfoss | zearfo001dav | 1901 | 73 g. | Tacoma Tigers | Pacific Northwest League | Tacoma, WA | |
| Louis Zehner | zehner001lou | 1901 | 7/28 | Shreveport Giants | Southern Association | Shreveport, LA | |
| Sam Zeigenbein/Zie | zeigen001sam | 1901 | +7/17+ | Jack.-Imperials | Amateur | Jackson, | |
| Charlie Ziegler | ziegle001cha | 1901 | 2 g. | St. Paul Saints | Western League | St. Paul, MN | |
| Charlie Ziegler | ziegle001cha | 1901 | 7/23-10/13 | Seattle Clamdiggers | Pacific Northwest League | Seattle, WA | |
| Charles Zietz | zietz-001cha | 1901 | 5 g. | Salt Lake City | Inter-Mountain League | Salt Lake City, UT | |
| Bill Zink | zink--001wil | 1901 | 5/2-7/5 | Rock Island Islanders | Illinois-Indiana-Iowa League | Rock Island, IL | |
| Bill Zink | zink--001wil | 1901 | +8/12+ | Sioux Falls | Independent | Sioux Falls, SD | |
| Eddie Zinram | zinram001edw | 1901 | 4/25-9/22 | Columbus Senators | Western Association | Columbus, OH | |
| Charles Zinzer | zinzer001cha | 1901 | 5/8-7/5 | Troy Washerwomen/Trojans | New York State League | Troy, NY | |
| Charles Zinzer | zinzer001cha | 1901 | 7/8-8/30 | Ogdensburg | Northern New York League | Ogdensburg, NY | |
| August Zurlage | zurlag001a-- | 1901 | +5/19+ | Cinc.-Bellevue | Independent | Cincinnati, OH |