exactmatch =
Year =
League =
Club =
There are 2968 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Edward Abbott | abbott002edw | 1884 | 6/9 | Waltham | Massachusetts State Association | Waltham, MA | |
| Frank Abbott | abbott003fra | 1884 | 5/3-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| George Aber | aber--001geo | 1884 | 5/3-7/18 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Henry Adams | 1884 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |||
| Perry Adams | 1884 | Raleigh | Independent | Raleigh, NC | |||
| Samuel Adams | adams-002sam | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| T.R. Adams | adams-001t-- | 1884 | 5/21-6/7 | Rockville | Connecticut State League | Rockville, CT | |
| Adler | 1884 | 10/10-10/11 | MLB Umpire | Union Association | , | ||
| Arthur Agan | agan--001art | 1884 | Fayetteville Browns | Independent | Fayetteville, | ||
| John Ake | ake---001joh | 1884 | 5/12-7/15 | 13 g. | Baltimore | American Association | Baltimore, MD |
| Albert | 1884 | Allentown Reserves | Independent | Allentown, PA | |||
| Gus Alberts | albert001gus | 1884 | 5/1- | 2 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Gus Alberts | albert001gus | 1884 | 4 g. | Washington | Union Association | Washington, DC | |
| Gus Alberts | albert001gus | 1884 | 6/16-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Gus Alberts | albert001gus | 1884 | 8/8-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Charles Alcott | alcott001cha | 1884 | 5/1-9/17 | Allentown Dukes | Eastern League | Allentown, PA | |
| Alexander | 1884 | Pottsville | Independent | Pottsville, PA | |||
| Nin Alexander | alexan001nin | 1884 | St. Joseph | Independent | St. Joseph, MO | ||
| Nin Alexander | alexan001nin | 1884 | 6/7-9/3 | 19 g. | Kansas City | Union Association | Kansas City, MO |
| Nin Alexander | alexan001nin | 1884 | 1 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Hezekiah Allen | allen-001hez | 1884 | 5/16 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| Jno. Allen | 1884 | Trenton Trentonians | Eastern League | Trenton, NJ | |||
| Myron Allen | allen-001myr | 1884 | 2 g. | Richmond Virginias | Eastern League | Richmond, VA | |
| James Allison | alliso005jam | 1884 | L.I.-Skelleys | S.Pro | , | ||
| David Allman | allman001dav | 1884 | 5/14-9/20 | Waterbury | Connecticut State League | Waterbury, CT | |
| Howell Althouse | 1884 | Pottsville | Independent | Pottsville, PA | |||
| Billy Alvord | alvord001bil | 1884 | Amherst College | College | , | ||
| Billy Alvord | alvord001bil | 1884 | 3/1-4/31 | 11 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Billy Alvord | alvord001bil | 1884 | -6/22 | Vincennes | Independent | Vincennes, IN | |
| Ed Andrews | andrew001ed- | 1884 | 5/1- | 109 g. | Philadelphia | National League | Philadelphia, PA |
| Wally Andrews | andrew002wal | 1884 | 5/22- | 14 g. | Louisville | American Association | Louisville, KY |
| Fred Andrus | andrus001fre | 1884 | 7/4 | 1 g. | Chicago | National League | Chicago, IL |
| Wyman Andrus | andrus001wym | 1884 | U.of Toronto Med | Independent | , | ||
| Wyman Andrus | andrus001wym | 1884 | 3/1-6/2 | 32 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Wyman Andrus | andrus001wym | 1884 | 6/16-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Wyman Andrus | andrus001wym | 1884 | 10/4 | Toronto | Independent | Toronto, ON | |
| Bill Annis | annis-001bil | 1884 | 5/1-8/8 | 27 g. | Boston | National League | Boston, MA |
| Bill Annis | annis-001bil | 1884 | 5/17-8/19 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Bill Annis | annis-001bil | 1884 | Portland | Independent | Portland, ME | ||
| Cap Anson | anson-001cap | 1884 | 112 g. | Chicago | National League | Chicago, IL | |
| Ed App | 1884 | Columbus Stars | Georgia State League | Columbus, GA | |||
| Joe Ardner | ardner001joe | 1884 | 5/1- | 26 g. | Cleveland | National League | Cleveland, OH |
| Joe Ardner | ardner001joe | 1884 | 8/- | Springfield | Ohio State League | Springfield, OH | |
| Dan Armbruster | armbru001dan | 1884 | 7 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Samuel Armstrong | 1884 | Springfield | Ohio State League | Springfield, OH | |||
| Jack Arnold | arnold001jac | 1884 | 7 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Harry Arundel | arunde001har | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| Harry Arundel | arunde001har | 1884 | +5/14-6/4 | Franklin | Iron & Oil Association | Franklin, PA | |
| Harry Arundel | arunde001har | 1884 | +6/27+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Harry Arundel | arunde001har | 1884 | 7/18 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Harry Arundel | arunde001har | 1884 | Janesville | Independent | Janesville, WI | ||
| Harry Arundel | arunde001har | 1884 | 8/1-8/29 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Harry Arundel | arunde001har | 1884 | 10/10 | 1 g. | Providence | National League | Providence, RI |
| Tug Arundel | arunde001tug | 1884 | 5/1-6/12 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Tug Arundel | arunde001tug | 1884 | 7/1-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Tug Arundel | arunde001tug | 1884 | 15 g. | Toledo | American Association | Toledo, OH | |
| Atherton | athert001--- | 1884 | 6/6-6/21 | Lynn | Massachusetts State Association | Lynn, MA | |
| Al Atkinson | atkins001al- | 1884 | 5/1- | 22 g. | Philadelphia | American Association | Philadelphia, PA |
| Al Atkinson | atkins001al- | 1884 | 7/22 | Chicago Reserves | Independent | Chicago, IL | |
| Al Atkinson | atkins001al- | 1884 | 7/23- | 19 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Al Atkinson | atkins001al- | 1884 | 8 g. | Baltimore | Union Association | Baltimore, MD | |
| William Avery | avery-002wil | 1884 | Philadelphia Hartville | Independent | Philadelphia, PA | ||
| William Avery | avery-002wil | 1884 | +6/4+ | York | Keystone Association | York, PA | |
| William Avery | avery-002wil | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| Jake Aydelott | aydelo001jak | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| Jake Aydelott | aydelo001jak | 1884 | 5/15- | 12 g. | Indianapolis | American Association | Indianapolis, IN |
| Harry Ayers | ayers-001har | 1884 | 7/10-7/11 | Lynn | Massachusetts State Association | Lynn, MA | |
| George Backer | backer001geo | 1884 | Mansfield Regulars | Independent | Mansfield, PA | ||
| Ed Bagley | bagley001ed- | 1884 | 5/3- | 33 g. | New York | National League | New York, NY |
| Gene Bagley | begley001gen | 1884 | Long Island Stars | Independent | Long Island, NY | ||
| Frank Bahret | bahret001fra | 1884 | 4/17-4/22 | 2 g. | Baltimore | Union Association | Baltimore, MD |
| William Bailey | 1884 | Philadelphia Sommer | Independent | Philadelphia, PA | |||
| William Bailey | 1884 | 6/9- | Philadelphia | Union Association | Philadelphia, PA | ||
| Baker | baker-001--- | 1884 | +5/14-6/2+ | York | Keystone Association | York, PA | |
| Charlie Baker | baker-007cha | 1884 | 5/3-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| Charlie Baker | baker-007cha | 1884 | 8/1-8/27 | 15 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| George Baker | baker-007geo | 1884 | 80 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Lewis Baker | baker-001lew | 1884 | Atlantic City August Flowers | Independent | Atlantic City, NJ | ||
| Lewis Baker | baker-001lew | 1884 | 5/2?-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Norm Baker | baker-001nor | 1884 | 5/5-8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Norm Baker | baker-001nor | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Norm Baker | baker-001nor | 1884 | Nashville | Nashville, TN | |||
| Phil Baker | baker-002phi | 1884 | 86 g. | Washington | Union Association | Washington, DC | |
| William Baker | baker-002w-- | 1884 | Franklin | Iron & Oil Association | Franklin, PA | ||
| Jersey Bakley | bakely001jer | 1884 | Philadelphia Wharton | Independent | Philadelphia, PA | ||
| Jersey Bakley | bakely001jer | 1884 | 45 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Jersey Bakley | bakely001jer | 1884 | 2 g. | Wilmington | Union Association | Wilmington, DE | |
| Jersey Bakley | bakely001jer | 1884 | 6 g. | Kansas City | Union Association | Kansas City, MO | |
| Kid Baldwin | baldwi001kid | 1884 | 5/2-7/26 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Kid Baldwin | baldwi001kid | 1884 | 7/27- | 50 g. | Kansas City | Union Association | Kansas City, MO |
| Kid Baldwin | baldwi001kid | 1884 | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Lady Baldwin | baldwi001lad | 1884 | 5/2-9/6 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Lady Baldwin | baldwi001lad | 1884 | 9/30 - | 7 g. | Milwaukee | Union Association | Milwaukee, WI |
| George Balsey | balsey001geo | 1884 | +6/19-7/28+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Studs Bancker | bancke001stu | 1884 | Philadelphia | Independent | Philadelphia, PA | ||
| Frank Bancroft | bancro001fra | 1884 | Providence | National League | Providence, RI | ||
| Frank Bandle | bandle002fra | 1884 | Union Pacific | Independent | Omaha, NE | ||
| Charlie Barber | barber001cha | 1884 | 4/17-8/10 | 55 g. | Cincinnati | Union Association | Cincinnati, OH |
| Charlie Barber | barber001cha | 1884 | Camden Merritts | Independent | Camden, NJ | ||
| Clay Barber | barber001cla | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| William Barclay | barcla001wil | 1884 | Troy | Independent | Troy, NY | ||
| Al Barker | barker001al- | 1884 | Chicago Franklins | Independent | Chicago, IL | ||
| William Barklay | barkla001wil | 1884 | Boston | Union Association | Boston, MA | ||
| Sam Barkley | barkle001sam | 1884 | 5/1-7/12 | 104 g. | Toledo | American Association | Toledo, OH |
| T.J. Barkley | barkle001t-- | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Bill Barnes | barnes001bil | 1884 | 5/1-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Bill Barnes | barnes001bil | 1884 | 9/27-10/13 | 8 g. | St. Paul | Union Association | St. Paul, MN |
| James Barnfather | barnfa001jam | 1884 | Hamiton Baysides | Independent | Hamiton, ON | ||
| Billy Barnie | barnie001bil | 1884 | 218 g. | Baltimore | American Association | Baltimore, MD | |
| J.C. Barnitz | barnit001j-- | 1884 | +5/19+ | Littlestown | Keystone Association | Littlestown, PA | |
| Bob Barr | barr--001bob | 1884 | 39 g. | Washington | American Association | Washington, DC | |
| Bob Barr | barr--001bob | 1884 | 18 g. | Indianapolis | American Association | Indianapolis, IN | |
| Marty Barrett | barret003mar | 1884 | 5/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Marty Barrett | barret003mar | 1884 | 6/24-10/15 | 3 g. | Boston | National League | Boston, MA |
| Marty Barrett | barret003mar | 1884 | 5 g. | Indianapolis | American Association | Indianapolis, IN | |
| Thomas Barrett | barret005tho | 1884 | 5/1-7/5 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Thomas Barrett | barret005tho | 1884 | 7/31-8/1 | Springfield | Massachusetts State Association | Springfield, MA | |
| Thomas Barrett | barret005tho | 1884 | 8/9-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| James Barry | barry-003jam | 1884 | 5/3-6/28 | Salem | Massachusetts State Association | Salem, MA | |
| Matthew Barry | barry-002mat | 1884 | 5/3-7/5 | Worcester | Massachusetts State Association | Worcester, MA | |
| Matthew Barry | barry-002mat | 1884 | 7/17-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Matthew Barry | barry-002mat | 1884 | 7/23-9/10 | Meriden | Connecticut State League | Meriden, CT | |
| Barth | barth-002--- | 1884 | 5/1-6/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Barton | barton007--- | 1884 | 5/10-5/17 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Charley Bassett | basset001cha | 1884 | 7/22-10/15 | 27 g. | Providence | National League | Providence, RI |
| Charlie Bastian | bastia001cha | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Charlie Bastian | bastia001cha | 1884 | 8/18- | 17 g. | Wilmington | Union Association | Wilmington, DE |
| Charlie Bastian | bastia001cha | 1884 | 11 g. | Kansas City | Union Association | Kansas City, MO | |
| Bateman | batema003--- | 1884 | 5/10-5/24 | Lynn | Massachusetts State Association | Lynn, MA | |
| Bateman | batema003--- | 1884 | 6/28-7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Joe Battin | battin001joe | 1884 | 43 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Joe Battin | battin001joe | 1884 | 18 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Joe Battin | battin001joe | 1884 | 17 g. | Baltimore | Union Association | Baltimore, MD | |
| Al Bauer | bauer-001al- | 1884 | Chillicothe Logans | Ohio State League | Chillicothe, OH | ||
| Al Bauer | bauer-001al- | 1884 | 9/22- | 3 g. | Columbus | American Association | Columbus, OH |
| James Baxter | baxter004jam | 1884 | RISt | , | |||
| Jack Beach | beach-001jac | 1884 | 5/1-6/12 | 8 g. | Washington | American Association | Washington, DC |
| Dave Beadle | beadle001dav | 1884 | New York Monitor | Independent | New York, NY | ||
| Dave Beadle | beadle001dav | 1884 | 6/17 | 1 g. | Detroit | National League | Detroit, MI |
| Dave Beadle | beadle001dav | 1884 | +9/16+ | Jersey City | Independent | Jersey City, NJ | |
| Beard | beard-002--- | 1884 | +5/12-5/16+ | York | Keystone Association | York, PA | |
| Ollie Beard | beard-001oll | 1884 | Edwardsville | Independent | Edwardsville, IL | ||
| Ollie Beard | beard-001oll | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Ollie Beard | beard-001oll | 1884 | Evansville | Independent | Evansville, IN | ||
| Walter Beatty | 1884 | Newark Domestics | Eastern League | Newark, NJ | |||
| Buck Becannon | becann001buc | 1884 | 5/3-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| Buck Becannon | becann001buc | 1884 | 10/11 | MLB Umpire | American Association | , | |
| Buck Becannon | becann001buc | 1884 | 10/15 | 1 g. | New York | American Association | New York, NY |
| Beck | beck--012--- | 1884 | 5/26+ | Chester | Keystone Association | Chester, PA | |
| Frank Beck | beck--001fra | 1884 | 5/2- | 3 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Frank Beck | beck--001fra | 1884 | 7/22-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Frank Beck | beck--001fra | 1884 | -9/18 | 5 g. | Baltimore | Union Association | Baltimore, MD |
| James Beck | beck--004jam | 1884 | +5/12-5/21+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Oscar Bedell | bedell001osc | 1884 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Oscar Bedell | bedell001osc | 1884 | 2 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Ed Beecher | beeche001ed- | 1884 | +7/18+ | Hart-FootGuards | CtMili | , | |
| Ed Beecher | beeche001ed- | 1884 | 9/6-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| J. Beecher | 1884 | New York Alaskas | Independent | New York, NY | |||
| Jesse Beecher | beeche001jes | 1884 | Hart-FootGuards | CTMilitary | , | ||
| Jesse Beecher | beeche001jes | 1884 | 5/30 | Hartford | Connecticut State League | Hartford, CT | |
| Jesse Beecher | beeche001jes | 1884 | 6/7-9/25 | New Britain | Connecticut State League | New Britain, CT | |
| Steve Behel | behel-001ste | 1884 | 5/1-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Steve Behel | behel-001ste | 1884 | 9/27- | 9 g. | Milwaukee | Union Association | Milwaukee, WI |
| Frank Bell | bell--001fra | 1884 | no g. | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Frank Bell | bell--001fra | 1884 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | ||
| John Bell | bell--004joh | 1884 | 5/1-5/10 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| John Bell | bell--004joh | 1884 | 5/22-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Ike Benners | benner001ike | 1884 | 5/1-9/3 | 49 g. | Brooklyn | American Association | Brooklyn, NY |
| Ike Benners | benner001ike | 1884 | 6 g. | Wilmington | Union Association | Wilmington, DE | |
| Bennett | 1884 | Danville | Independent | Danville, VA | |||
| Charlie Bennett | bennet005cha | 1884 | 90 g. | Detroit | National League | Detroit, MI | |
| Eddie Bennett | bennet001edd | 1884 | 8 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Phil Bennett | bennet001phi | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Frank Berkelbach | berkel001fra | 1884 | Philadelphia Burlington | Independent | Philadelphia, PA | ||
| Frank Berkelbach | berkel001fra | 1884 | 5/2 | Chester | Keystone Association | Chester, PA | |
| Frank Berkelbach | berkel001fra | 1884 | Chester | Independent | Chester, PA | ||
| Frank Berkelbach | berkel001fra | 1884 | 7/4-7/12 | 6 g. | Cincinnati | American Association | Cincinnati, OH |
| Charlie Berry | berry-003cha | 1884 | 4/30-8/27 | 7 g. | Altoona | Union Association | Altoona, PA |
| Charlie Berry | berry-003cha | 1884 | 29 g. | Kansas City | Union Association | Kansas City, MO | |
| Charlie Berry | berry-003cha | 1884 | 7 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| John Berry | 1884 | 5/24 exh. | Oil City | Iron & Oil Association | Oil City, PA | ||
| Fred Bertwhistle | bertwh001fre | 1884 | 5/27 | Muskegon | Northwestern League | Muskegon, MI | |
| Fred Bertwhistle | bertwh001fre | 1884 | 6/5 | Stillwater | Northwestern League | Stillwater, MN | |
| William Betz | betz--001wil | 1884 | Philadelphia Hartville | Independent | Philadelphia, PA | ||
| William Betz | betz--001wil | 1884 | 6/4-6/5+ | York | Keystone Association | York, PA | |
| William Betz | betz--001wil | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| John Bickerton | bicker001joh | 1884 | 8/2 | g. | Washington | American Association | Washington, DC |
| Dan Bickham | bickha001dan | 1884-86 | Princeton Univ. | College | , | ||
| Lou Bierbauer | bierba002lou | 1884 | Warren | Independent | Warren, PA | ||
| Lou Bierbauer | bierba002lou | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Connie Bigelow | bigelo001con | 1884 | 5 g. | San Francisco | California League | San Francisco, CA | |
| Connie Bigelow | bigelo001con | 1884 | no g. | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| George Bignell | bignel001geo | 1884 | Bay City | Northwestern League | Bay City, MI | ||
| George Bignell | bignel001geo | 1884 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | ||
| George Bignell | bignel001geo | 1884 | 9/27-10/5 | 4 g. | Milwaukee | Union Association | Milwaukee, WI |
| Jud Birchall | bircha001jud | 1884 | 54 g. | Philadelphia | American Association | Philadelphia, PA | |
| Birkett | 1884 | Youngstown | Iron & Oil Association | Youngstown, OH | |||
| Frank Bishop | bishop001fra | 1884 | 5/27-5/30 | 4 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Ed Bitner | 1884 | Lancaster | Independent | Lancaster, PA | |||
| Red Bittmann | bittma001red | 1884 | Evansville | Independent | Evansville, IN | ||
| Red Bittmann | bittma001red | 1884 | Atlanta | Georgia State League | Atlanta, GA | ||
| Bob Black | black-002bob | 1884 | 5/2-8/8 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Bob Black | black-002bob | 1884 | 8/19-10/19 | 38 g. | Kansas City | Union Association | Kansas City, MO |
| Jim Blackmore | 1884 | Warren | Independent | Warren, PA | |||
| Bill Blair | blair-001bil | 1884 | 5/7-7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Bill Blair | blair-001bil | 1884 | +9/7+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Dick Blaisdell | blaisd001dic | 1884 | 5/3-7/5 | Lynn | Massachusetts State Association | Lynn, MA | |
| Dick Blaisdell | blaisd001dic | 1884 | 7/9-7/14 | 4 g. | Kansas City | Union Association | Kansas City, MO |
| Bob Blakiston | blakis001bob | 1884 | 32 g. | Philadelphia | American Association | Philadelphia, PA | |
| Bob Blakiston | blakis001bob | 1884 | 8/12-9/10 | MLB Umpire | National League | , | |
| Bob Blakiston | blakis001bob | 1884 | - 10/15 | 6 g. | Indianapolis | American Association | Indianapolis, IN |
| Wes Blogg | blogg-001wes | 1884 | -6/ | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| Wes Blogg | blogg-001wes | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | ||
| Albert Boardman | boardm002alb | 1884 | 5/3-6/17 | Meriden | Connecticut State League | Meriden, CT | |
| Joseph Bohannon | bohann001jos | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| Charlie Bohn | bohn--001cha | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Bollas | 1884 | Toronto | Independent | Toronto, ON | |||
| Tommy Bond | bond--001tom | 1884 | -8/11 | 37 g. | Boston | Union Association | Boston, MA |
| Tommy Bond | bond--001tom | 1884 | 7 g. | Indianapolis | American Association | Indianapolis, IN | |
| Tommy Bond | bond--001tom | 1884 | 1 g. | MLB Umpire | American Association | , | |
| Philip Bongerz | 1884-90 | Michigan | Independent | Michigan, MI | |||
| Philip Bongerz | 1884-90 | Umpire | Cent | , | |||
| Bonney | bonney001--- | 1884 | 7/14-7/15 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| Amos Booth | booth-001amo | 1884 | 5/- | Hamilton | Ohio State League | Hamilton, OH | |
| Samuel Booth | booth-001sam | 1884 | 6/28-7/9 | Meriden | Connecticut State League | Meriden, CT | |
| Samuel Booth | booth-001sam | 1884 | New Milford | Independent | New Milford, CT | ||
| Edward Bowen | bowen-001edw | 1884 | 7/4-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| Edward Bowen | bowen-001edw | 1884 | 7/31 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Bowers | bowers003--- | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| William Bowers | bowers002wil | 1884 | 5/21-5/30 | Rockville | Connecticut State League | Rockville, CT | |
| Henry Boyle | boyle-001hen | 1884 | 5/1-7/5 | Reading Actives | Eastern League | Reading, PA | |
| Henry Boyle | boyle-001hen | 1884 | 7/9-10/2 | 65 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| William Boyle | boyle-001wil | 1884 | 5/5-8/ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| George Brackett | bracke001geo | 1884 | 5/1-8/17 | Quincy Quincys | Northwestern League | Quincy, IL | |
| A.J. Bradford | bradfo001a-- | 1884 | Muskegon | Northwestern League | Muskegon, MI | ||
| Bradley | bradle032--- | 1884 | 6/3-6/16+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Al Bradley | bradle001al- | 1884 | 5/21 | 1 g. | Washington | Union Association | Washington, DC |
| Foghorn Bradley | bradle001fog | 1884 | 6/7-7/9 | Umpire | East | , | |
| George Bradley | bradle002geo | 1884 | 58 g. | Cincinnati | Union Association | Cincinnati, OH | |
| George Bradley | bradle002geo | 1884 | 7/4 | MLB Umpire | Union Association | , | |
| M.J. Bradley | bradle001m-- | 1884 | 5/2-7/26 | Stillwater | Northwestern League | Stillwater, MN | |
| M.J. Bradley | bradle001m-- | 1884 | 8/19-8/28 | Winona Clippers | Northwestern League | Winona, MN | |
| Michael Bradley | bradle004mic | 1884 | 5/10-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Nick Bradley | bradle002nic | 1884 | 5/1-5/12 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Nick Bradley | bradle002nic | 1884 | 5/22-9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| J. E. Brady | 1884 | no g. | Minneapolis Millers | Northwestern League | Minneapolis, MN | ||
| Jackson Brady | brady-002jac | 1884 | Hart.-Military | CTMilitary | , | ||
| Jackson Brady | brady-002jac | 1884 | 6/24-8/2 | Rockville | Connecticut State League | Rockville, CT | |
| Steve Brady | brady-002ste | 1884 | 112 g. | New York | American Association | New York, NY | |
| T. Brady | brady-001t-- | 1884 | HillyerGuard | Independent | , | ||
| T. Brady | brady-001t-- | 1884 | 8/27 | Hartford | Connecticut State League | Hartford, CT | |
| T. Brady | brady-001t-- | 1884 | 9/10 | New Britain | Connecticut State League | New Britain, CT | |
| Alonzo Breitenstein | breite001alo | 1884 | Metropolitans | , | |||
| Jack Brennan | brenna002jac | 1884 | 1 g. | St. Louis Union Reserves | Independent | St. Louis, MO | |
| Jack Brennan | brenna002jac | 1884 | 4/20- | 56 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| James Brennan | brenna007jam | 1884 | 7/10 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| James Brennan | brenna007jam | 1884 | Lawrence Comets | Independent | Lawrence, MA | ||
| John Brennan | brenna003jac | 1884 | 5/1- | 54 g. | MLB Umpire | American Association | , |
| Bresnahan | bresna001--- | 1884 | 7/4 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Maurice Bresnahan | bresna001mau | 1884 | 5/3-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| Maurice Bresnahan | bresna001mau | 1884 | 7/31-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| John Briel | briel-001joh | 1884 | 5/2-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| John Briel | briel-001joh | 1884 | 5/22-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| John Briel | briel-001joh | 1884 | 7/16-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| Charlie Briggs | briggs002cha | 1884 | 5/2-8/5 | 49 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| C. Waldo Brigham | 1884 | 5/3-6/9 | Waltham | Massachusetts State Association | Waltham, MA | ||
| Sinclair Brigham | brigha001sin | 1884 | Yale University | College | , | ||
| Frank Brill | brill-001fra | 1884 | 6/23-8/8 | 13 g. | Detroit | National League | Detroit, MI |
| Fatty Briody | briody001fat | 1884 | 43 g. | Cleveland | National League | Cleveland, OH | |
| Fatty Briody | briody001fat | 1884 | 22 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Hugh Broman | broman001hug | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Henry Brooks | brooks002hen | 1884 | Philadelphia Wharton | Independent | Philadelphia, PA | ||
| Henry Brooks | brooks002hen | 1884 | Philadelphia Hartville | Independent | Philadelphia, PA | ||
| Henry Brooks | brooks002hen | 1884 | Williamsport | Independent | Williamsport, PA | ||
| Timothy Brosnan | brosna001tim | 1884 | 5/2-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Timothy Brosnan | brosna001tim | 1884 | 8/27-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Cal Broughton | brough001cal | 1884 | 11 g. | Milwaukee | Union Association | Milwaukee, WI | |
| Cal Broughton | brough001cal | 1884 | 5/2-9/6 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Dan Brouthers | brouth001den | 1884 | 94 g. | Buffalo | National League | Buffalo, NY | |
| Jim Brouthers | brouth001jam | 1884 | 5/1-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| C.D. Brower | brower001c-- | 1884 | 5/1-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| C.D. Brower | brower001c-- | 1884 | 8/21-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Dennis Brown | brown-002den | 1884 | 5/7-5/16 | Peoria Reds | Northwestern League | Peoria, IL | |
| Ed Brown | brown-002ed- | 1884 | -6/30 | 42 g. | Toledo | American Association | Toledo, OH |
| Ed Brown | brown-002ed- | 1884 | 7/10-7/23 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Ed Brown | brown-002ed- | 1884 | -10/13 | 6 g. | St. Paul | Union Association | St. Paul, MN |
| G. Brown | brown-003g-- | 1884 | 7/4 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Jack Brown | brown-002ed- | 1884 | 5/1-6/2 | 22 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Jack Brown | brown-002ed- | 1884 | 6/18-7/8 | Stillwater | Northwestern League | Stillwater, MN | |
| Jim Brown | brown-003jim | 1884 | 4/17-5/31 | 21 g. | Altoona | Union Association | Altoona, PA |
| Jim Brown | brown-003jim | 1884 | 1 g. | New York | National League | New York, NY | |
| Jim Brown | brown-003jim | 1884 | Altoona Browns | WIntSt | Altoona, PA | ||
| Joe Brown | brown-004joe | 1884 | 5/2-8/1 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Joe Brown | brown-004joe | 1884 | 8/16- | 15 g. | Chicago | National League | Chicago, IL |
| Lew Brown | brown-002lew | 1884 | 85 g. | Boston | Union Association | Boston, MA | |
| S.R. Brown | brown-002s-- | 1884 | 6/4-8/15 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Tom Brown | brown-012tho | 1884 | 107 g. | Columbus | American Association | Columbus, OH | |
| Tom Brown | brown-012tho | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Pete Browning | browni001pet | 1884 | 103 g. | Louisville | American Association | Louisville, KY | |
| T.P. Brownlee | brownl001t-- | 1884 | 5/20-8/8 | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Brucker | brucke001--- | 1884 | 5/29-5/30+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Will Bryan | bryan-004wil | 1884 | 7/30-8/2 | Evansville | Northwestern League | Evansville, IN | |
| C. Bryant | bryant001c-- | 1884 | 7/15-7/18 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Joe Buchtel | 1884 | , | |||||
| Al Buckenberger | bucken001al- | 1884 | Indianapolis | Independent | Indianapolis, IN | ||
| Al Buckenberger | bucken001al- | 1884 | 6/2-6/19 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Al Buckenberger | bucken001al- | 1884 | Detroit Cass | Independent | Detroit, MI | ||
| Dick Buckley | buckle001dic | 1884 | Troy | Amat | Troy, NY | ||
| Dick Buckley | buckle001dic | 1884 | Pittsburgh Athletics | Independent | Pittsburgh, PA | ||
| Dick Buckley | buckle001dic | 1884 | +5/15-6/25+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Tom Buckley | buckle001tom | 1884 | 8 g. | San Francisco | California League | San Francisco, CA | |
| Buell | buell-001--- | 1884 | 6/21 | Willimantic | Connecticut State League | Willimantic, CT | |
| Buell | buell-001--- | 1884 | 9/4 | Hartford | Connecticut State League | Hartford, CT | |
| Charlie Buffinton | buffin001cha | 1884 | 87 g. | Boston | National League | Boston, MA | |
| Henry Buker | buker-001hen | 1884 | 5/2-5/12 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Henry Buker | buker-001hen | 1884 | 6/11- | 30 g. | Detroit | National League | Detroit, MI |
| Sim Bullas | bullas001sim | 1884 | 5/2- | 13 g. | Toledo | American Association | Toledo, OH |
| Sim Bullas | bullas001sim | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Ernie Burch | burch-001ern | 1884 | 5/2-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Ernie Burch | burch-001ern | 1884 | 8/15- | 32 g. | Cleveland | National League | Cleveland, OH |
| Jack Burdock | burdoc001jac | 1884 | 87 g. | Boston | National League | Boston, MA | |
| Ike Burkalow | 1884 | Columbus Stars | Georgia State League | Columbus, GA | |||
| Dan Burke | burke-001dan | 1884 | Whitman | Independent | Whitman, MA | ||
| James Burke | burke-005jam | 1884 | 47 g. | Boston | Union Association | Boston, MA | |
| James Burke | 1884 | Lancaster | Independent | Lancaster, PA | |||
| John Burke | burke-011joh | 1884 | 5/3-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| John Burke | burke-010joh | 1884 | 5/3-10/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| John Burke | burke-011joh | 1884 | New Britain | Connecticut State League | New Britain, CT | ||
| William Burke | burke-002w-- | 1884 | no g. | Oil City | Iron & Oil Association | Oil City, PA | |
| Harlan Burket | burket001har | 1884 | Youngstown | Iron & Oil Association | Youngstown, OH | ||
| Burnham | burnha002--- | 1884 | 5/31 | Hartford | Connecticut State League | Hartford, CT | |
| Burnham | burnha002--- | 1884 | +7/18+ | Hart-FootGuards | CtMilitary | , | |
| Frank Burnham | burnha001fra | 1884 | York | Keystone Association | York, PA | ||
| Walter Burnham | burnha002wal | 1884 | Portland | Independent | Portland, ME | ||
| Burns | burns-033--- | 1884 | 7/28-7/31 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Dick Burns | burns-001dic | 1884 | 79 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Dick Burns | burns-001dic | 1884 | 8/11-8/14 | Newark Domestics | Eastern League | Newark, NJ | |
| John Burns | burns-015joh | 1884 | 5/2-6/26 | Springfield | Massachusetts State Association | Springfield, MA | |
| John Burns | burns-002pat | 1884 | 8/11- | 6 g. | Baltimore | American Association | Baltimore, MD |
| John Burns | burns-002pat | 1884 | 9/16 | 1 g. | Baltimore | Union Association | Baltimore, MD |
| John Burns | burns-002pat | 1884 | Jersey City | Independent | Jersey City, NJ | ||
| Thomas Burns | burns-001oys | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Thomas Burns | burns-001oys | 1884 | 8/18- | 2 g. | Wilmington | Union Association | Wilmington, DE |
| Thomas Burns | burns-001oys | 1884 | 35 g. | Baltimore | American Association | Baltimore, MD | |
| Tom Burns | burns-001tom | 1884 | 83 g. | Chicago | National League | Chicago, IL | |
| George Burrell | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| Doc Bushong | bushon001doc | 1884 | 62 g. | Cleveland | National League | Cleveland, OH | |
| Butler | 1884 | -6/ | Allentown Reserves | Independent | Allentown, PA | ||
| Bill Butler | butler002bil | 1884 | 6/19- | 9 g. | Indianapolis | American Association | Indianapolis, IN |
| Bill Butler | butler002bil | 1884 | +10/13+ | New Orleans Robert E. Lees | Independent | New Orleans, LA | |
| David Butler | butler002dav | 1884 | Denver | Independent | Denver, CO | ||
| Frank Butler | butler001kid | 1884 | 5/20- | 71 g. | Boston | Union Association | Boston, MA |
| Joseph Byers | byers-001jos | 1884 | +5/19+ | Littlestown | Keystone Association | Littlestown, PA | |
| Charlie Cady | cady--001cha | 1884 | 6/7 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Charlie Cady | cady--001cha | 1884 | -6/19. | 6 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Charlie Cady | cady--001cha | 1884 | 2 g. | Kansas City | Union Association | Kansas City, MO | |
| John Cahill | cahill006joh | 1884 | 3/21 - 5/22 | no g. | Philadelphia | National League | Philadelphia, PA |
| John Cahill | cahill006joh | 1884 | 5/31-9/1 | 59 g. | Columbus | American Association | Columbus, OH |
| David Cain | cain--001dav | 1884 | York | Keystone Association | York, PA | ||
| David Cain | cain--001dav | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| Will Calihan | caliha001wil | 1884 | Rochester Ninth Ward Stars | Independent | Rochester, NY | ||
| F. Call | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| Pat Callaghan | callag001pat | 1884 | 5/1-7/31 | 61 g. | Indianapolis | American Association | Indianapolis, IN |
| Robert Callaghan | callag001rob | 1884 | Port | , | |||
| Abe Callahan | callah001abe | 1884 | 2 g. | San Francisco Star | California League | San Francisco, CA | |
| Ed Callahan | callah001ed- | 1884 | 7/19- | 1 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| Ed Callahan | callah001ed- | 1884 | 3 g. | Kansas City | Union Association | Kansas City, MO | |
| Ed Callahan | callah001ed- | 1884 | 4 g. | Boston | Union Association | Boston, MA | |
| John Campana | campan001joh | 1884 | 5/3-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| Count Campau | campau001cha | 1884 | Detroit Cass | Independent | Detroit, MI | ||
| Harry Campbell | campbe003j-- | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| J. C. Campbell | 1884 | Terre Haute | Northwestern League | Terre Haute, IN | |||
| William Campion | campio002wil | 1884 | 5/11-6/17 | Terre Haute | Northwestern League | Terre Haute, IN | |
| William Campion | campio002wil | 1884 | Akron | Independent | Akron, OH | ||
| Con Cannon | cannon001con | 1884 | 9 g. | San Francisco Star | California League | San Francisco, CA | |
| Joe Cantillon | cantil001jos | 1884 | Winona Clippers | Northwestern League | Winona, MN | ||
| Joe Cantillon | cantil001jos | 1884 | Green Bay | Independent | Green Bay, WI | ||
| Bart Cantz | cantz-001bar | 1884 | 5/2?-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Bart Cantz | cantz-001bar | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Bart Cantz | cantz-001bar | 1884 | Williamsport | Independent | Williamsport, PA | ||
| John Caperoon | capero001joh | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Phillip Carbrey | carbre001phi | 1884 | 5/3-6/14 | Salem | Massachusetts State Association | Salem, MA | |
| Ed Carfrey | carfre001ed- | 1884 | Chester Haymakers | Independent | Chester, PA | ||
| Fred Carl | carl--001fre | 1884 | York | Keystone Association | York, PA | ||
| Fred Carl | carl--001fre | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| Jack Carney | carney002joh | 1884 | 5/3-7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Hick Carpenter | carpen001hic | 1884 | 108 g. | Cincinnati | American Association | Cincinnati, OH | |
| E.S. Carr | carr--001e-- | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| George Carr | carr--002geo | 1884 | 5/17-8/2 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Peter Carrigan | carrig001pet | 1884 | Saginaw Greys | Northwestern League | Saginaw, MI | ||
| Peter Carrigan | carrig001pet | 1884 | 5/17 | Springfield | Massachusetts State Association | Springfield, MA | |
| Carroll | carrol003--- | 1884 | 4/17-4/21 | 4 g. | Washington | Union Association | Washington, DC |
| Carroll | 1884 | Allentown Reserves | Independent | Allentown, PA | |||
| Carroll | carrol014--- | 1884 | +6/12-6/13+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Carroll | carrol022--- | 1884 | 7/12-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Cliff Carroll | carrol002cli | 1884 | 113 g. | Providence | National League | Providence, RI | |
| Frank Carroll | carrol004fra | 1884 | 8 g. | San Francisco | California League | San Francisco, CA | |
| Fred Carroll | carrol001fre | 1884 | 2 g. | San Francisco | California League | San Francisco, CA | |
| Fred Carroll | carrol001fre | 1884 | 5/1- | 69 g. | Columbus | American Association | Columbus, OH |
| John Carroll | carrol001scr | 1884 | Union Pacific | Independent | Omaha, NE | ||
| John Carroll | carrol001scr | 1884 | 7/14-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| John Carroll | carrol001scr | 1884 | 9/27- | 9 g. | St. Paul | Union Association | St. Paul, MN |
| Pat Carroll | carrol001pat | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | ||
| Pat Carroll | carrol001pat | 1884 | 5/10-5/31 | 11 g. | Altoona | Union Association | Altoona, PA |
| Pat Carroll | carrol001pat | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Pat Carroll | carrol001pat | 1884 | 5 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Ed Cartwright | cartwr001ed- | 1884 | 5/5-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Bob Caruthers | caruth001bob | 1884 | 49-51 g. | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Bob Caruthers | caruth001bob | 1884 | 9/7-5/19 | 23 g. | St. Louis Browns | American Association | St. Louis, MO |
| Butler Case | case--001but | 1884 | 7/4-7/25+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Bob Casey | casey-001bob | 1884 | 5/2-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Dan Casey | casey-002dan | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Dan Casey | casey-002dan | 1884 | 8/18- | 2 g. | Wilmington | Union Association | Wilmington, DE |
| Dennis Casey | casey-002den | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Dennis Casey | casey-002den | 1884 | 8/18- | 2 g. | Wilmington | Union Association | Wilmington, DE |
| Dennis Casey | casey-002den | 1884 | 37 g. | Baltimore | American Association | Baltimore, MD | |
| Charlie Caskin | caskin001cha | 1884 | 6/18-6/28 | Salem | Massachusetts State Association | Salem, MA | |
| Charlie Caskin | caskin001cha | 1884 | Danvers | Independent | Danvers, MA | ||
| Ed Caskin | caskin001ed- | 1884 | 100 g. | New York | National League | New York, NY | |
| Cassidy | cassid002--- | 1884 | 7 g. | San Francisco Star | California League | San Francisco, CA | |
| John Cassidy | cassid003joh | 1884 | 106 g. | Brooklyn | American Association | Brooklyn, NY | |
| Clinton Caswell | caswel001cli | 1884 | 5/2 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Cates | 1884 | +6/14+ | Marion | InSt | Marion, IN | ||
| John Cattanach | cattan001joh | 1884 | 6/5 | 1 g. | Providence | National League | Providence, RI |
| John Cattanach | cattan001joh | 1884 | 6/7 | Willimantic | Connecticut State League | Willimantic, CT | |
| John Cattanach | cattan001joh | 1884 | 2 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| John Cavanaugh | cavana005joh | 1884 | San Antonio | Semi-pro | San Antonio, TX | ||
| Edward Chamberlain | chambe001edw | 1884 | 5/3-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| Edward Chamberlain | chambe001edw | 1884 | 8/1 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Ice Box Chamberlain | chambe001ice | 1884 | 8/8-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Chambers | chambe015--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Oliver Chambers | chambe001oli | 1884 | Chambersburg | Keystone Association | Chambersburg, PA | ||
| Edgar Chapman | chapma001edg | 1884 | 5/2-6/21 | Stillwater | Northwestern League | Stillwater, MN | |
| Jack Chapman | chapma002jac | 1884 | Detroit | National League | Detroit, MI | ||
| Chase | 1884 | Bowdoin Col. | College | , | |||
| Chase | 1884 | Portland | Independent | Portland, ME | |||
| William Chatfield | chatfi001wil | 1884 | -6/ | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| Jim Chatterton | chatte001jim | 1884 | Portland | Independent | Portland, ME | ||
| Jim Chatterton | chatte001jim | 1884 | Lynn | Massachusetts State Association | Lynn, MA | ||
| Jim Chatterton | chatte001jim | 1884 | 6/7- | 4 g. | Kansas City | Union Association | Kansas City, MO |
| Robert Childs | childs003rob | 1884 | York | Keystone Association | York, PA | ||
| Sam Childs | childs001sam | 1884 | 10 g. | Yale University | College | , | |
| Sam Childs | childs001sam | 1884 | Hart-City Guard | CtMili | , | ||
| Sam Childs | childs001sam | 1884 | 7/15 | Plainfield | Independent | Plainfield, CT | |
| Sam Childs | childs001sam | 1884 | 7/23 | Hartford | Connecticut State League | Hartford, CT | |
| Chute | chute-001--- | 1884 | 5/3 | New Britain | Connecticut State League | New Britain, CT | |
| J. Cisco (Sisco) | 1884 | Philadelphia Mutual | Independent | Philadelphia, PA | |||
| John Clapp | clapp-001joh | 1884 | 5/1-6/9 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Charles Clark | clark-001c-- | 1884 | 5/5-5/20+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Charles Clark | clark-002ed- | 1884 | +9/5+ | Ironton | Ohio State League | Ironton, OH | |
| Ed Clark | clark-002ed- | 1884 | 5/- | Ironton | Ohio State League | Ironton, OH | |
| Ed Clark | clark-002ed- | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Ed Clark | clark-002ed- | 1884 | 8/-9/30 | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| Harry Clark | clark-001har | 1884 | 5/1-5/14 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Ralsa Clark | clark-002ral | 1884 | Jamestown | Independent | Jamestown, NY | ||
| Ralsa Clark | clark-002ral | 1884 | 7/21-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Robert Clark | 1884 | 5/22-9/ | Lancaster Ironsides | Eastern League | Lancaster, PA | ||
| Artie Clarke | clarke001art | 1884-85 | Brown Univ. | College | , | ||
| Byron Clarke | clarke001byr | 1884 | Chicago Whites | Independent | Chicago, IL | ||
| John Clarkson | clarks001joh | 1884 | 5/1-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| John Clarkson | clarks001joh | 1884 | -7/12 | 21 g. | Chicago | National League | Chicago, IL |
| Edward Clayton | clayto001edw | 1884 | Springfield | Massachusetts State Association | Springfield, MA | ||
| Zach Clayton | clayto001zac | 1884 | 5/8-6/13 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Zach Clayton | clayto001zac | 1884 | 8/31 | Winona Clippers | Northwestern League | Winona, MN | |
| Clem | 1884 | Atlanta | Georgia State League | Atlanta, GA | |||
| Jack Clements | clemen001jac | 1884 | Philadelphia Archers | Independent | Philadelphia, PA | ||
| Jack Clements | clemen001jac | 1884 | 4/22- | 41 g. | Philadelphia | Union Association | Philadelphia, PA |
| Jack Clements | clemen001jac | 1884 | 9 g. | Philadelphia | National League | Philadelphia, PA | |
| Al Cleveland | 1884 | Pittsburgh Athletics | Independent | Pittsburgh, PA | |||
| Elmer Cleveland | clevel001elm | 1884 | 5/5-7/28+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Elmer Cleveland | clevel001elm | 1884 | 8/29- | 29 g. | Cincinnati | Union Association | Cincinnati, OH |
| Dennis Clifford | cliffo001den | 1884 | Augusta | Independent | Augusta, GA | ||
| Monk Cline | cline-001mon | 1884 | 94 g. | Louisville | American Association | Louisville, KY | |
| Jim Clinton | clinto001jim | 1884 | 104 g. | Baltimore | American Association | Baltimore, MD | |
| Tommy Cockman | cockma001tho | 1884 | Guelph Beavers | WOntario | Guelph, ON | ||
| J.B. Cohen | cohen-001j-- | 1884 | Oil City | Iron & Oil Association | Oil City, PA | ||
| G.E. Coleman | colema001g-- | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| John Coleman | colema002joh | 1884 | 43 g. | Philadelphia | National League | Philadelphia, PA | |
| John Coleman | colema002joh | 1884 | 28 g. | Philadelphia | American Association | Philadelphia, PA | |
| Billy Colgan | colgan001ed- | 1884 | 5/3- | 48 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Collins | collin071--- | 1884 | 5/2-5/3 | Newark Domestics | Eastern League | Newark, NJ | |
| Chub Collins | collin001chu | 1884 | 5/1- | 45 g. | Buffalo | National League | Buffalo, NY |
| Chub Collins | collin001chu | 1884 | 7/17-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Chub Collins | collin001chu | 1884 | 38 g. | Indianapolis | American Association | Indianapolis, IN | |
| Dennis Collins | collin001den | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Hub Collins | collin001hub | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| James Collins | collin007jam | 1884 | -9/30 | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| John Collins | 1884 | Utica | Independent | Utica, NY | |||
| E.J. Comerford | comerf001e-- | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Charlie Comiskey | comisk001cha | 1884 | 108 g. | St. Louis Browns | American Association | St. Louis, MO | |
| W. D. Condon | 1884 | U. of Michigan | College | , | |||
| W. D. Condon | 1884 | no g. | Toledo | American Association | Toledo, OH | ||
| Ed Conley | conley001ed- | 1884 | Woonsocket | Independent | Woonsocket, RI | ||
| Ed Conley | conley001ed- | 1884 | 7/20-10/9 | 8 g. | Providence | National League | Providence, RI |
| Edward Conn | conn--001edw | 1884 | 8 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Connahan | connah001--- | 1884 | 5/14-5/27 | Chester | Keystone Association | Chester, PA | |
| Peter Connell | connel001pet | 1884 | 5/2-6/26 | Springfield | Massachusetts State Association | Springfield, MA | |
| Peter Connell | connel001pet | 1884 | Jersey City | Independent | Jersey City, NJ | ||
| Terry Connell | connel002ter | 1884 | 5/1 | MLB Umpire | American Association | , | |
| Thomas Connell | 1884 | 5/2-6/26 | Springfield | Ohio State League | Springfield, OH | ||
| John Conner | conner002joh | 1884 | 5/2-6/24 | Allentown Dukes | Eastern League | Allentown, PA | |
| John Conner | conner002joh | 1884 | New York Actic | Independent | New York, NY | ||
| John Connolly | 1884 | 14 g. | MLB Umpire | American Association | , | ||
| John Connor | connor004joh | 1884 | 5/2-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| John Connor | connor004joh | 1884 | 7/26- | 7 g. | Boston | National League | Boston, MA |
| Roger Connor | connor001rog | 1884 | 116 g. | New York | National League | New York, NY | |
| Connors | connor002--- | 1884 | 5/26 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Denny Connors | connor001den | 1884 | 9 g. | London Ontario | semi-pro | London, ON | |
| Denny Connors | connor001den | 1884 | 10/4 | Toronto | Independent | Toronto, ON | |
| Joe Connors | connor001joe | 1884 | 5/3- | 3 g. | Altoona | Union Association | Altoona, PA |
| Joe Connors | connor001joe | 1884 | 3 g. | Kansas City | Union Association | Kansas City, MO | |
| Joe Connors | connor001joe | 1884 | 6/26-6/28 | Stillwater | Northwestern League | Stillwater, MN | |
| Joe Connors | connor001joe | 1884 | 8/19-8/27 | Winona Clippers | Northwestern League | Winona, MN | |
| Bill Conway | conway001bil | 1884 | 7/28 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| Dick Conway | conway001dic | 1884 | York | Keystone Association | York, PA | ||
| Dick Conway | conway001dic | 1884 | 7/19-9/20 | York White Roses | Eastern League | York, PA | |
| Jim Conway | conway001jim | 1884 | 5/5- | 14 g. | Brooklyn | American Association | Brooklyn, NY |
| John Conway | conway002joh | 1884 | 5/24-6/28 | Salem | Massachusetts State Association | Salem, MA | |
| John Coogan | coogan001joh | 1884 | 5/1-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Paul Cook | cook--003pau | 1884 | 5/2-8/4 | Muskegon | Northwestern League | Muskegon, MI | |
| Paul Cook | cook--003pau | 1884 | 9/13- | 3 g. | Philadelphia | National League | Philadelphia, PA |
| G. Cooley | cooley001g-- | 1884 | Odessa Stars | Independent | Odessa, KS | ||
| Frank Cooney | cooney002fra | 1884 | 6/21 | Worcester | Massachusetts State Association | Worcester, MA | |
| Cooper | cooper001--- | 1884 | 7/5-8/20 | Willimantic | Connecticut State League | Willimantic, CT | |
| David Corcoran | corcor001dav | 1884 | 5/3-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Jack Corcoran | corcor001jac | 1884 | 5/1- | 52 g. | Brooklyn | American Association | Brooklyn, NY |
| Larry Corcoran | corcor001lar | 1884 | 64 g. | Chicago | National League | Chicago, IL | |
| Mike Corcoran | corcor001mik | 1884 | New York Alaskas | Independent | New York, NY | ||
| Mike Corcoran | corcor001mik | 1884 | 7/15 | 1 g. | Chicago | National League | Chicago, IL |
| Fred Corey | corey-001fre | 1884 | 104 g. | Philadelphia | American Association | Philadelphia, PA | |
| Fred Corey | corey-001fre | 1884 | 5/10-6/9 | Stillwater | Northwestern League | Stillwater, MN | |
| Phil Coridan | corida001phi | 1884 | 4/26-6/2 | 26 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Phil Coridan | corida001phi | 1884 | 6/6-7/12 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Phil Coridan | corida001phi | 1884 | 7/16- | 2 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| John Corkhill | corkhi001pop | 1884 | 110 g. | Cincinnati | American Association | Cincinnati, OH | |
| Cornell | 1884 | Jersey City | Independent | Jersey City, NJ | |||
| Thomas Cornell | cornel001tho | 1884 | 5/5-5/7 | Youngstown | Iron & Oil Association | Youngstown, OH | |
| William Corrigan | corrig003wil | 1884 | 5/3-7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| William Corrigan | corrig003wil | 1884 | 7/23-8/27 | Meriden | Connecticut State League | Meriden, CT | |
| Frank Cottrell | cottre001fra | 1884 | 6/7 | Willimantic | Connecticut State League | Willimantic, CT | |
| Ed Coughlin | coughl001ed- | 1884 | 5/5-5/7+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Ed Coughlin | coughl001ed- | 1884 | 5/15 | 1 g. | Buffalo | National League | Buffalo, NY |
| Ed Coughlin | coughl001ed- | 1884 | 5/30-7/4 | Hartford | Connecticut State League | Hartford, CT | |
| Michael Coughlin | coughl001mic | 1884 | 5/3-7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Paul Covok | 1884 | Muskegon | Northwestern League | Muskegon, MI | |||
| Cowles | cowles001--- | 1884 | 5/3-7/14 | New Britain | Connecticut State League | New Britain, CT | |
| Cowles | cowles002--- | 1884 | 5/21-5/24 | New Britain | Connecticut State League | New Britain, CT | |
| Bob Cox | cox---004rob | 1884 | 5/5-7/10+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Bob Cox | cox---004rob | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Frank Cox | cox---003fra | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Frank Cox | cox---003fra | 1884 | 8/13- | 27 g. | Detroit | National League | Detroit, MI |
| Craig | craig-016--- | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Craley | craley001--- | 1884 | 7/26 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Edward Cramer | cramer002edw | 1884 | 5/1-8/27 | Newark Domestics | Eastern League | Newark, NJ | |
| William Cramer | 1884 | Philadelphia August Flowers | Independent | Philadelphia, PA | |||
| Ed Crane | crane-001ed- | 1884 | 4/17- | 101 g. | Boston | Union Association | Boston, MA |
| Sam Crane | crane-002sam | 1884 | 80 g. | Cincinnati | Union Association | Cincinnati, OH | |
| George Crawford | crawfo003geo | 1884 | 5/12-5/22 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| George Creamer | creame001geo | 1884 | 98 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| James Creamer | creame001jam | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Creeden | creede001--- | 1884 | 9/6 | Hartford | Connecticut State League | Hartford, CT | |
| Mark Creegan | creega001mar | 1884 | 4/17- | 9 g. | Washington | Union Association | Washington, DC |
| Mark Creegan | creega001mar | 1884 | 5/16-5/29 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Mark Creegan | creega001mar | 1884 | 6/18-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Mark Creegan | creega001mar | 1884 | 8/11 | Allentown Dukes | Eastern League | Allentown, PA | |
| Lewis Creekbaum | creekb001lew | 1884 | Reading Actives | Eastern League | Reading, PA | ||
| Morrie Critchley | critch001mor | 1884 | McKeesport | Semi-pro | McKeesport, PA | ||
| Morrie Critchley | critch001mor | 1884-85 | MLB Umpire | American Association | , | ||
| Jack Croghan | crogan001joh | 1884 | 5/5-5/9+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Dan Cronin | cronin002dan | 1884 | Umpire | Mass | , | ||
| Dan Cronin | cronin002dan | 1884 | 7/8- | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Dan Cronin | cronin002dan | 1884 | 1 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| George Crosby | crosby001geo | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| George Crosby | crosby001geo | 1884 | 5/22- | 3 g. | Chicago | National League | Chicago, IL |
| George Crosby | crosby001geo | 1884 | 7/22- | Elgin | Independent | Elgin, IL | |
| Amos Cross | cross-001amo | 1884 | 5/5-8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Clarence Cross | cross-001cla | 1884 | St. Louis Reserves | Independent | St. Louis, MO | ||
| Clarence Cross | cross-001cla | 1884 | 5/5- | 2 g. | Altoona | Union Association | Altoona, PA |
| Clarence Cross | cross-001cla | 1884 | 2 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Clarence Cross | cross-001cla | 1884 | 25 g. | Kansas City | Union Association | Kansas City, MO | |
| Joe Cross | cross-001jos | 1884 | 5/10-5/29+ | Oil City | Iron & Oil Association | Oil City, PA | |
| William Crossley | crossl001wil | 1884 | Mansfield Regulars | Independent | Mansfield, PA | ||
| Doug Crothers | crothe001dou | 1884 | 8/3- | 4 g. | Kansas City | Union Association | Kansas City, MO |
| Joe Crotty | crotty001joe | 1884 | 5/2-7/5 | Bay City | Northwestern League | Bay City, MI | |
| Joe Crotty | crotty001joe | 1884 | -7/5 | 21 g. | Cincinnati | Union Association | Cincinnati, OH |
| Billy Crowell | crowel001bil | 1884 | 7/31-8/2 | Evansville | Northwestern League | Evansville, IN | |
| Billy Crowell | crowel001bil | 1884 | Evansville | Northwestern League | Evansville, IN | ||
| Bill Crowley | crowle001bil | 1884 | 108 g. | Boston | National League | Boston, MA | |
| John Crowley | crowle002joh | 1884 | 5/1- | 48 g. | Philadelphia | National League | Philadelphia, PA |
| R. H. Crum | 1884 | Williamsport | Independent | Williamsport, PA | |||
| Jim Cudworth | cudwor001jim | 1884 | 5/2-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Jim Cudworth | cudwor001jim | 1884 | 7/27-9/ | 32 g. | Kansas City | Union Association | Kansas City, MO |
| John Cuff | cuff--001joh | 1884 | Jersey City | Independent | Jersey City, NJ | ||
| John Cuff | cuff--001joh | 1884 | 9/11- | 3 g. | Baltimore | Union Association | Baltimore, MD |
| John Cullen | cullen004joh | 1884 | 5/1-8/2 | Reading Actives | Eastern League | Reading, PA | |
| John Cullen | cullen004joh | 1884 | 8/9-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| John Cullen | cullen004joh | 1884 | 8/18- | 9 g. | Wilmington | Union Association | Wilmington, DE |
| John Cullen | cullen004joh | 1884 | 4/21-8/27 | Nashville | So | Nashville, TN | |
| George Culp | culp--001geo | 1884 | 5/2-5/26 | Chester | Keystone Association | Chester, PA | |
| Arthur Cummings | cummin001art | 1884 | no g. | Waltham | Massachusetts State Association | Waltham, MA | |
| George Cummings | cummin003geo | 1884 | Marysville | Independent | Marysville, CA | ||
| George Cummings | cummin003geo | 1884 | 5/19-5/29 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Thomas Cummings | cummin002tho | 1884 | Jersey City | Independent | Jersey City, NJ | ||
| George Cummins | cummin004--- | 1884 | no g. | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Frank Cunliffe | cunlif001fra | 1884 | Philadelphia Hardware | Independent | Philadelphia, PA | ||
| Frank Cunliffe | cunlif001fra | 1884 | 7/23-8/23 | Rockville | Connecticut State League | Rockville, CT | |
| J. Cunningham | 1884 | +7/5+ | Chester Ross | Independent | Chester, PA | ||
| Jerry Cunningham | cunnin003jer | 1884 | no g. | NW | , | ||
| James Curry | curry-002jam | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| James Curry | curry-002jam | 1884 | +5/21-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| Wes Curry | curry-001wes | 1884 | 5/1- | Umpire | East | , | |
| Wes Curry | curry-001wes | 1884 | 8/6-8/8 | 2 g. | Richmond | American Association | Richmond, VA |
| Wes Curry | curry-001wes | 1884 | -9/4 | Umpire | East | , | |
| Ed Curtis | curtis001ed- | 1884 | g. | Altoona | Union Association | Altoona, PA | |
| E. L. Cushing | 1884 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |||
| Charlie Cushman | cushma001cha | 1884 | 5/1- | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Charlie Cushman | cushma001cha | 1884 | Umpire | NW | , | ||
| Charlie Cushman | cushma001cha | 1884 | -8/4 | Muskegon | Northwestern League | Muskegon, MI | |
| Ed Cushman | cushma001ed- | 1884 | 5/1-8/24 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Ed Cushman | cushma001ed- | 1884 | 4 g. | Milwaukee | Union Association | Milwaukee, WI | |
| Andy Cusick | cusick001and | 1884 | 5/1-8/11 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Andy Cusick | cusick001and | 1884 | 8/21- | 11 g. | Wilmington | Union Association | Wilmington, DE |
| Andy Cusick | cusick001and | 1884 | 9 g. | Philadelphia | National League | Philadelphia, PA | |
| Ned Cuthbert | cuthbe001ned | 1884 | 44 g. | Baltimore | Union Association | Baltimore, MD | |
| John Dailey | dailey001joh | 1884 | 23 g. | MLB Umpire | American Association | , | |
| Daily | daily-001--- | 1884 | 7/2-7/9 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Bill Daily | daily-001bil | 1884 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Con Daily | daily-001con | 1884 | 5/21-9/20 | Waterbury | Connecticut State League | Waterbury, CT | |
| Ed Daily | daily-001ed- | 1884 | 5/1-7/1 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Ed Daily | daily-001ed- | 1884 | 7/9-9/24 | Waterbury | Connecticut State League | Waterbury, CT | |
| Hugh Daily | daily-001hug | 1884 | 58 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Hugh Daily | daily-001hug | 1884 | 2 g. | Washington | Union Association | Washington, DC | |
| George Daisy | daisy-001geo | 1884 | 5/31 | 1 g. | Altoona | Union Association | Altoona, PA |
| Abner Dalrymple | dalrym001abn | 1884 | 111 g. | Chicago | National League | Chicago, IL | |
| Clarence Daly | 1884 | 5/1-6/2 | 27 g. | St. Louis Reserves | Independent | St. Louis, MO | |
| J. Daly | daly--001j-- | 1884 | 8 g. | San Francisco Star | California League | San Francisco, CA | |
| Tom Daly | daly--002tho | 1884 | Philadelphia Keystones | Independent | Philadelphia, PA | ||
| Tom Daly | daly--002tho | 1884 | 6/9- | 2 g. | Philadelphia | Union Association | Philadelphia, PA |
| Tom Daly | daly--002tho | 1884 | Millville | Independent | Millville, NJ | ||
| Tom Daly | daly--002tho | 1884 | 9/3-9/15 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Daniels | daniel018--- | 1884 | 5/1-5/29 | Meriden | Connecticut State League | Meriden, CT | |
| Daniels | daniel013--- | 1884 | 8/6 | Rockville | Connecticut State League | Rockville, CT | |
| Charlie Daniels | daniel004cha | 1884 | 4/18 -4/26 | 3 g. | Boston | Union Association | Boston, MA |
| Charlie Daniels | daniel004cha | 1884 | 5/21-5/31 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Law Daniels | daniel002law | 1884 | 5/13-8/6 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Law Daniels | daniel002law | 1884 | Hannibal | Independent | Hannibal, MO | ||
| James Dannell | 1884 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |||
| Darby | darby-001--- | 1884 | 5/29 | Waterbury | Connecticut State League | Waterbury, CT | |
| Dell Darling | darlin001del | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| John Darrah | darrah001joh | 1884 | +5/12-7/15+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| John Darrah | darrah002--- | 1884 | +6/26-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Erwin Darrow | darrow001ira | 1884 | Kent | Independent | Kent, OH | ||
| Erwin Darrow | darrow001ira | 1884 | -8/ | Springfield | Ohio State League | Springfield, OH | |
| Erwin Darrow | darrow001ira | 1884 | 8/-9/30 | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| O.C. Davidson | davids001o-- | 1884 | 5/3-5/24 | Salem | Massachusetts State Association | Salem, MA | |
| Charles Davis | davis-017cha | 1884 | 5/1-5/22 | Muskegon | Northwestern League | Muskegon, MI | |
| Daisy Davis | davis-001dai | 1884 | 5/6 - | 25 g. | St. Louis Browns | American Association | St. Louis, MO |
| Daisy Davis | davis-001dai | 1884 | 4 g. | Boston | National League | Boston, MA | |
| George Davis | davis-019geo | 1884 | 6/21 | Lynn | Massachusetts State Association | Lynn, MA | |
| Jumbo Davis | davis-001jum | 1884 | 5/2-7/18 | Bay City | Northwestern League | Bay City, MI | |
| Jumbo Davis | davis-001jum | 1884 | 7/27- | 7 g. | Kansas City | Union Association | Kansas City, MO |
| Davitt | davitt001--- | 1884 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Ren Deagle | deagle001ren | 1884 | 5/24-6/4 | 4 g. | Cincinnati | American Association | Cincinnati, OH |
| Ren Deagle | deagle001ren | 1884 | 7/3-9/12 | 12 g. | Louisville | American Association | Louisville, KY |
| Ren Deagle | deagle001ren | 1884 | no g. | Toledo | American Association | Toledo, OH | |
| Pat Dealy | dealy-001pat | 1884 | Milkwauke Reserves | Independent | Milkwauke, WI | ||
| Pat Dealy | dealy-001pat | 1884 | 5/28-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Pat Dealy | dealy-001pat | 1884 | 11 g. | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Pat Dealy | dealy-001pat | 1884 | 9/30- | 5 g. | St. Paul | Union Association | St. Paul, MN |
| Dick Deardon | deardo001dic | 1884 | -8/ | Williamsport | Independent | Williamsport, PA | |
| James Deasley | deasle001jam | 1884 | Philadelphia Defiance | Independent | Philadelphia, PA | ||
| James Deasley | deasle001jam | 1884 | 5/1-5/6 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| John Deasley | deasle001joh | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| John Deasley | deasle001joh | 1884 | 6/17- | 31 g. | Washington | Union Association | Washington, DC |
| John Deasley | deasle001joh | 1884 | 13 g. | Kansas City | Union Association | Kansas City, MO | |
| Pat Deasley | deasle001pat | 1884 | 75 g. | St. Louis Browns | American Association | St. Louis, MO | |
| K. H. Debelle | 1884 | Allentown Dukes | Eastern League | Allentown, PA | |||
| Decker | decker004--- | 1884 | 5/3 | Hartford | Connecticut State League | Hartford, CT | |
| Harry Decker | decker001har | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Harry Decker | decker001har | 1884 | 8/23- | 4 g. | Indianapolis | American Association | Indianapolis, IN |
| Harry Decker | decker001har | 1884 | 23 g. | Kansas City | Union Association | Kansas City, MO | |
| Jim Dee | dee---001jim | 1884 | 7/30-8/16 | 12 g. | Pittsburgh | American Association | Pittsburgh, PA |
| James Deegan | deegan001jam | 1884 | 5/3-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| William Deems | deems-001wil | 1884 | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | ||
| Herman Dehlman | dehlma001her | 1884 | 5/1-9/9 | Allentown Dukes | Eastern League | Allentown, PA | |
| Dehlmire | dehlmi001--- | 1884 | 6/2-6/5 | Lancaster | Keystone Association | Lancaster, PA | |
| Joseph Deistel | deiste001jos | 1884 | -9/30 | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| Bill Delaney | delane001bil | 1884 | Canton | Independent | Canton, OH | ||
| Daniel Delaney | delane001dan | 1884 | 10/4 | Toronto | Independent | Toronto, ON | |
| Stewart Denham | denham001ste | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Stewart Denham | denham001ste | 1884 | 6/16-7/4 | Newark Domestics | Eastern League | Newark, NJ | |
| H. Denhart | denhar001h-- | 1884 | +5/12-6/25+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| James Denny | denny-002jam | 1884 | +6/9-6/25+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| James Denny | denny-002jam | 1884 | Allentown Dukes | Eastern League | Allentown, PA | ||
| Jerry Denny | denny-001jer | 1884 | 110 g. | Providence | National League | Providence, RI | |
| Mike DePangher | depang001mik | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Mike DePangher | depang001mik | 1884 | 7/22- | Elgin | Independent | Elgin, IL | |
| Mike DePangher | depang001mik | 1884 | 8/8-9/11 | 4 g. | Philadelphia | National League | Philadelphia, PA |
| Gene Derby | derby-001gen | 1884 | 4/18- | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Gene Derby | derby-001gen | 1884 | 5/22-9/13 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Deshler | 1884 | 9/4- | Williamsport | Independent | Williamsport, PA | ||
| Henry Devaull | devaul001hen | 1884 | 2 g. | San Francisco | California League | San Francisco, CA | |
| Henry Devaull | devaul001hen | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Henry Devaull | devaul001hen | 1884 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| William Deveney | devinn001pun | 1884 | 5/1-7/7 | Allentown Dukes | Eastern League | Allentown, PA | |
| Jim Devine | devine001jim | 1884 | 5/31 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Jim Devine | devine001jim | 1884 | 7/9 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Jim Devine | devine001jim | 1884 | 7/19-7/21 | Richmond Virginias | Eastern League | Richmond, VA | |
| Dan Devinney | devinn001dan | 1884 | 82 g. | MLB Umpire | American Association | , | |
| Charles Devlin | devlin001cha | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | ||
| Dickens | 1884 | 3/1-5/17 | 8 g. | St. Louis Reserves | Independent | St. Louis, MO | |
| Buttercup Dickerson | dicker001but | 1884 | 46 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Buttercup Dickerson | dicker001but | 1884 | 13 g. | Baltimore | American Association | Baltimore, MD | |
| Buttercup Dickerson | dicker001but | 1884 | 8 g. | Louisville | American Association | Louisville, KY | |
| Frank Diffenderfer | diffen001fra | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| Andy Dillon | dillon001and | 1884 | Guelph | Independent | Guelph, ON | ||
| Mike Dinnen | dinnen001mik | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| David Dischler | dischl001dav | 1884 | Utica | Amateur | Utica, NY | ||
| John Dix | dix---001joh | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| Dodd | dodd--002--- | 1884 | 2 g. | San Francisco | California League | San Francisco, CA | |
| Tom Dolan | dolan-001tom | 1884 | 35 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Tom Dolan | dolan-001tom | 1884 | 19 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Tom Dolan | 1884 | New York Alaskas | Independent | New York, NY | |||
| Jack Donahue | donahu001jac | 1884 | 8 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Jim Donahue | donahu001jim | 1884 | 5/26-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| Jim Donahue | donahu001jim | 1884 | 9/1-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| James Donald | donald001jam | 1884 | Lancaster Ironsides | Eastern League | Lancaster, PA | ||
| James Donald | donald001jam | 1884 | 5/22-9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| James Donald | donald001jam | 1884 | Lancaster Ironsides | Eastern League | Lancaster, PA | ||
| James Donnelly | donnel004jam | 1884 | 5/30-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| James Donnelly | donnel005jam | 1884 | 5/2-6/5 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| James Donnelly | donnel005jam | 1884 | 5/30 | Stillwater | Northwestern League | Stillwater, MN | |
| Jim Donnelly | donnel002jim | 1884 | 5/1-8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Jim Donnelly | donnel002jim | 1884 | 8/11- | 40 g. | Indianapolis | American Association | Indianapolis, IN |
| Jim Donnelly | donnel001jim | 1884 | 5/30-6/4 | Muskegon | Northwestern League | Muskegon, MI | |
| Jim Donnelly | donnel001jim | 1884 | 7/5 | Lynn | Massachusetts State Association | Lynn, MA | |
| Jim Donnelly | donnel001jim | 1884 | 7/11- | 6 g. | Kansas City | Union Association | Kansas City, MO |
| Timothy Donovan | 1884 | 9/15-9/16 | MLB Umpire | Union Association | , | ||
| Dooley | dooley001--- | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Charles Dooley | dooley001cha | 1884 | Bradford | Independent | Bradford, PA | ||
| Jerry Dorgan | dorgan001jer | 1884 | 34 g. | Indianapolis | American Association | Indianapolis, IN | |
| Jerry Dorgan | dorgan001jer | 1884 | 4 g. | Brooklyn | American Association | Brooklyn, NY | |
| Jerry Dorgan | dorgan001jer | 1884 | 8/27-9/25 | Meriden | Connecticut State League | Meriden, CT | |
| Mike Dorgan | dorgan001mik | 1884 | 83 g. | New York | National League | New York, NY | |
| Jerry Dorsey | dorsey004jer | 1884 | 5/1-5/31 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Jerry Dorsey | dorsey004jer | 1884 | +6/18+ | Portsmouth Riversides | Ohio State League | Portsmouth, OH | |
| Jerry Dorsey | dorsey004jer | 1884 | -9/30 | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| Joseph Dorsey | dorsey002jer | 1884 | 6/17-6/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Joseph Dorsey | dorsey002jer | 1884 | 7/9 | 1 g. | Baltimore | Union Association | Baltimore, MD |
| Thomas Dorsey | dorsey003tho | 1884 | 5/7-5/20 | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Charlie Dougherty | doughe002cha | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Charlie Dougherty | doughe002cha | 1884 | 4/17-5/31 | 23 g. | Altoona | Union Association | Altoona, PA |
| Charlie Dougherty | doughe002cha | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Pizzaro Douthett | douthe001piz | 1884 | +5/12-6/25+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| Clarence Dow | dow---001cla | 1884 | 9/22 | 1 g. | Boston | Union Association | Boston, MA |
| L.S. Dow | dow---001l-- | 1884 | 5/15-6/23 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| James Downey | downey003jam | 1884 | 6/16 | New Britain | Connecticut State League | New Britain, CT | |
| James Downey | downey003jam | 1884 | 10/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| Downing | downin004--- | 1884 | 6/14 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Doyle | doyle-001--- | 1884 | Fayetteville Browns | Independent | Fayetteville, | ||
| Conny Doyle | doyle-001con | 1884 | 5/2-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Conny Doyle | doyle-001con | 1884 | -9/14 | 15 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Edward Doyle | doyle-002edw | 1884 | 5/10-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Edward Doyle | doyle-002edw | 1884 | 8/23-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| F.W. Doyle | doyle-001f-- | 1884 | 5/1-7/13 | Salem | Massachusetts State Association | Salem, MA | |
| John Doyle | doyle-004joh | 1884 | 5/1-7/14 | Richmond Virginias | Eastern League | Richmond, VA | |
| John Doyle | doyle-004joh | 1884 | 7/26-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Lyman Drake | drake-001lym | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| Lyman Drake | drake-001lym | 1884 | Akron | Independent | Akron, OH | ||
| Lyman Drake | drake-001lym | 1884 | 5/6-6/19 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Lyman Drake | drake-001lym | 1884 | 6/29- | 2 g. | Washington | American Association | Washington, DC |
| Dave Drew | 1884 | no g. | Chicago | Union Association | Chicago, IL | ||
| William Drew | drew--002dav | 1884 | Oil City | Iron & Oil Association | Oil City, PA | ||
| William Drew | drew--002dav | 1884 | 5/14- | 2 g. | Philadelphia | Union Association | Philadelphia, PA |
| William Drew | drew--002dav | 1884 | - 6/9 | 13 g. | Washington | Union Association | Washington, DC |
| Fred Drexler | drexle001fre | 1884 | Denver | Independent | Denver, CO | ||
| Driscoll | drisco011--- | 1884 | 8/16-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Denny Driscoll | drisco001den | 1884 | 13 g. | Louisville | American Association | Louisville, KY | |
| Mike Drissel | drisse001mik | 1884 | St. Louis Gothards | Amat | St. Louis, MO | ||
| Duane | duane-001--- | 1884 | 6/28 | New Britain | Connecticut State League | New Britain, CT | |
| Duane | duane-004--- | 1884 | Foot Guard | Conn-Milit. | , | ||
| Duane | duane-004--- | 1884 | 9/20 | Waterbury | Connecticut State League | Waterbury, CT | |
| Duffey | duffey001--- | 1884 | 8/23-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Peter Duffly | duffly001pet | 1884 | 5/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Duffy | duffy-012--- | 1884 | 6/18 | Hartford | Connecticut State League | Hartford, CT | |
| W. H. Dufur | 1884 | no g. | Oil City | Iron & Oil Association | Oil City, PA | ||
| Bill Dugan | dugan-001bil | 1884 | 5/1-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Bill Dugan | dugan-001bil | 1884 | 8/5- | 9 g. | Richmond | American Association | Richmond, VA |
| Bill Dugan | dugan-001bil | 1884 | 3 g. | Kansas City | Union Association | Kansas City, MO | |
| Ed Dugan | dugan-001ed- | 1884 | 5/2-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ed Dugan | dugan-001ed- | 1884 | 8/5-10/15 | 22 g. | Richmond | American Association | Richmond, VA |
| Dan Dugdale | dugdal001dan | 1884 | Keokuk | Independent | Keokuk, IA | ||
| T.L. Duncan | duncan001t-- | 1884 | -8/1 | Chillicothe Logans | Ohio State League | Chillicothe, OH | |
| Ed Dundon | dundon001ed- | 1884 | 26 g. | Columbus | American Association | Columbus, OH | |
| Fred Dunlap | dunlap002fre | 1884 | 101 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Steve Dunn | dunn--004ste | 1884 | 5/1-6/26 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Steve Dunn | dunn--004ste | 1884 | 7/3 | Stillwater | Northwestern League | Stillwater, MN | |
| Steve Dunn | dunn--004ste | 1884 | 8/20-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Steve Dunn | dunn--004ste | 1884 | 9/27- | 9 g. | St. Paul | Union Association | St. Paul, MN |
| Steve Dunn | dunn--004ste | 1884 | 1 g. | Stillwater | Northwestern League | Stillwater, MN | |
| George Dunne | dunne-001geo | 1884 | 5/3-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| Joseph Dunnigan | dunnig001jos | 1884 | New York Alaskas | Independent | New York, NY | ||
| Levi Durham | durham001lev | 1884 | -6/ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Patrick Dutton | 1884 | 7/2-9/12 | MLB Umpire | Union Association | , | ||
| Al Dwight | dwight001al- | 1884 | Lynn | Massachusetts State Association | Lynn, MA | ||
| Al Dwight | dwight001al- | 1884 | 6/19- | 12 g. | Kansas City | Union Association | Kansas City, MO |
| Al Dwight | dwight001al- | 1884 | 8/6-8/12 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Dick Dwyer | dwyer-001ric | 1884 | Union Pacific | Independent | Omaha, NE | ||
| John Dwyer | dwyer-003joh | 1884 | Kenton | Independent | Kenton, OH | ||
| William Dwyer/Dyer | dyer--002wil | 1884 | 5/1-8/17 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Dyer | dyer--005--- | 1884 | 1 g. | York White Roses | Eastern League | York, PA | |
| James Dyer | dyer--004jam | 1884 | 5/3-7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| James Dyer | dyer--004jam | 1884 | 7/17-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| James Dyer | dyer--004jam | 1884 | 7/23-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| William Dyer/Dwyer | dyer--002wil | 1884 | 5/1-8/17 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| John Dyler | dyler-001joh | 1884-85 | 41 g. | MLB Umpire | American Association | , | |
| Frederick Dyson | dyson-001fre | 1884 | Guelph Beavers | WOntario | Guelph, ON | ||
| Eagan | 1884 | 8/9-8/11 | Waterbury Monitor | Conn | Waterbury, CT | ||
| Eakin | eakin-001--- | 1884 | 6/21 | Newark Domestics | Eastern League | Newark, NJ | |
| Billy Earle | earle-001bil | 1884 | Philadelphia Sommerset | Independent | Philadelphia, PA | ||
| Harry East | east--001har | 1884 | St. Louis Standards | Independent | St. Louis, MO | ||
| Henry Easterday | easter001hen | 1884 | 6/23- | 28 g. | Philadelphia | Union Association | Philadelphia, PA |
| Eastham | eastha001--- | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Charlie Eden | eden--001cha | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Charlie Eden | eden--001cha | 1884 | 32 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Edwards | edward042--- | 1884 | 8/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Stephen Edwards | edward001ste | 1884 | 5/24-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| Dave Eggler | eggler001dav | 1884 | 63 g. | Buffalo | National League | Buffalo, NY | |
| Red Ehret | ehret-001phi | 1884 | El Paso | Independent | El Paso, TX | ||
| Joe Ellick | ellick001joe | 1884 | 92 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Joe Ellick | ellick001joe | 1884 | 2 g. | Kansas City | Union Association | Kansas City, MO | |
| Joe Ellick | ellick001joe | 1884 | 7 g. | Baltimore | Union Association | Baltimore, MD | |
| Ernest Ellis | ellis-001ern | 1884 | 5/3-7/5 | Salem | Massachusetts State Association | Salem, MA | |
| William Ellis | ellis-005wil | 1884 | +5/21-8/2+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| E. Elmer | 1884 | 9/22- | Hart.-Foot Guards | Conn | , | ||
| F. Elmer | 1884 | 6/2-9/22 | Hart.-Foot Guards | Conn | , | ||
| E. Elmwood | 1884 | 9/8- | Hart.-CapitolCity | Conn | , | ||
| Elmer Elwood | 1884 | Cincinnati Artics | Independent | Cincinnati, OH | |||
| Elmer Elwood | 1884 | Georgetown | Independent | Georgetown, KY | |||
| Bones Ely | ely---001wil | 1884 | 6/19 | 1 g. | Buffalo | National League | Buffalo, NY |
| Bones Ely | ely---001wil | 1884 | Youngstown | Iron & Oil Association | Youngstown, OH | ||
| Bob Emslie | emslie001bob | 1884 | 51 g. | Baltimore | American Association | Baltimore, MD | |
| Charles Endler | endler001cha | 1884 | 7/14-7/15 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| English | 1884 | 8/25- | Willimantic-CoE | CtMilitary | , | ||
| Erdler | 1884 | 7/?- | Allentown Dukes | Eastern League | Allentown, PA | ||
| Dan Erek | ereck-001dan | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Dan Erek | ereck-001dan | 1884 | 6/2-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Ernest | ernest002--- | 1884 | 5/10-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Dude Esterbrook | esterb001dud | 1884 | 112 g. | New York | American Association | New York, NY | |
| Tony Esterquest | esterq001ant | 1884 | Chicago Brands | Independent | Chicago, IL | ||
| Charles Ettinger | etting001cha | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Charles Ettinger | etting001cha | 1884 | York | Keystone Association | York, PA | ||
| Charles Ettinger | etting001cha | 1884 | Williamsport | Independent | Williamsport, PA | ||
| Jake Evans | evans-001jak | 1884 | 80 g. | Cleveland | National League | Cleveland, OH | |
| Tom Evers | evers-001tom | 1884 | 4/17- | 109 g. | Washington | Union Association | Washington, DC |
| Ewing | 1884 | -6/ | Allentown Reserves | Independent | Allentown, PA | ||
| Buck Ewing | ewing-001buc | 1884 | 94 g. | New York | National League | New York, NY | |
| J.K. Ewing | ewing-002j-- | 1884 | +6/11-6/25+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| John Ewing | ewing-001joh | 1884 | 1 g. | Cincinnati | Union Association | Cincinnati, OH | |
| John Ewing | ewing-001joh | 1884 | 1 g. | Washington | Union Association | Washington, DC | |
| Charles Faatz | faatz-001cha | 1884 | 6/3-6/5 | Muskegon | Northwestern League | Muskegon, MI | |
| Charles Faatz | faatz-001cha | 1884 | 6/26 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Charles Faatz | faatz-001cha | 1884 | Tecumseh | Independent | Tecumseh, MI | ||
| Jay Faatz | faatz-001jay | 1884 | 5/1-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Jay Faatz | faatz-001jay | 1884 | 8/22- | 29 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Fagan | fagan-002--- | 1884 | 5/10 | Meriden | Connecticut State League | Meriden, CT | |
| Anton Falch | falch-001ant | 1884 | 5/27-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Anton Falch | falch-001ant | 1884 | 9/30-10/10 | 5 g. | Milwaukee | Union Association | Milwaukee, WI |
| Michael Falvy | falvy-001mic | 1884 | Boston College | College | , | ||
| Michael Falvy | falvy-001mic | 1884 | 6/11-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Jack Fanning | fannin001jac | 1884 | Oglethorpe | Georgia State League | Oglethorpe, GA | ||
| Lawrence Farley | farley001tom | 1884 | +5/15-6/22 | Vincennes | Independent | Vincennes, IN | |
| Lawrence Farley | farley001tom | 1884 | 6/24-7/12 | 14 g. | Washington | American Association | Washington, DC |
| Bill Farmer | farmer002bil | 1884 | 5/9-5/16 | Chester | Keystone Association | Chester, PA | |
| Bill Farmer | farmer002bil | 1884 | Norfolk | Independent | Norfolk, VA | ||
| Sid Farrar | farrar001sid | 1884 | 111 g. | Philadelphia | National League | Philadelphia, PA | |
| Jack Farrell | farrel001jac | 1884 | 5/1-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Jack Farrell | farrel001jac | 1884 | 7/9-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| Jack Farrell | farrel002jac | 1884 | 111 g. | Providence | National League | Providence, RI | |
| Joe Farrell | farrel001joe | 1884 | 110 g. | Detroit | National League | Detroit, MI | |
| John Farrell | farrel007joh | 1884 | 9/-end | Allentown Dukes | Eastern League | Allentown, PA | |
| James Farrington | farrin002jam | 1884 | Atlantic City August Flowers | Independent | Atlantic City, NJ | ||
| John Farrow | farrow002joh | 1884 | -6/14 | 16 g. | Brooklyn | American Association | Brooklyn, NY |
| John Farrow | farrow002joh | 1884 | 9/ | Newark Domestics | Eastern League | Newark, NJ | |
| John Farrow | farrow003joh | 1884 | +5/12-6/25+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| John Farrow | farrow003joh | 1884 | +8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Andrew Fay | fay---001and | 1884 | 7/9 | Rockville | Connecticut State League | Rockville, CT | |
| John Fay | fay---001joh | 1884 | Meriden Athletic | Independent | Meriden, CT | ||
| John Fay | fay---001joh | 1884 | 7/14-9/20 | Meriden | Connecticut State League | Meriden, CT | |
| John Fay | fay---001joh | 1884 | 9/27 | New Britain | Connecticut State League | New Britain, CT | |
| B. Featherstone | feathe001b-- | 1884 | Peoria Reds | Northwestern League | Peoria, IL | ||
| Fellis | fellis001--- | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| Frank Fennelly | fennel001fra | 1884 | 5/1- | 62 g. | Washington | American Association | Washington, DC |
| Frank Fennelly | fennel001fra | 1884 | 28 g. | Cincinnati | American Association | Cincinnati, OH | |
| Feore | feore-001--- | 1884 | 5/13 | New Britain | Connecticut State League | New Britain, CT | |
| Bob Ferguson | fergus001bob | 1884 | 10 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Bob Ferguson | fergus001bob | 1884-85 | 138 g. | MLB Umpire | National League | , | |
| Charlie Ferguson | fergus003cha | 1884 | 5/1- | 52 g. | Philadelphia | National League | Philadelphia, PA |
| Wally Fessenden | fessen001wal | 1884 | 6/17 | Lynn | Massachusetts State Association | Lynn, MA | |
| Joseph Fieber | fieber001jos | 1884 | 1 g. | Hamilton | Ohio State League | Hamilton, OH | |
| Jim Field | field-001jim | 1884 | 105 g. | Columbus | American Association | Columbus, OH | |
| Jocko Fields | fields001joc | 1884 | +9/16+ | Jersey City | Independent | Jersey City, NJ | |
| James Finley | 1884 | Umpire | CT | , | |||
| Edward Finn | finn--001edw | 1884 | 5/10-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| Mike Finn | finn--002mic | 1884 | 8 g. | San Francisco | California League | San Francisco, CA | |
| Tom Finney | 1884 | Washington Nationals | Independent | Washington, DC | |||
| George Firth | firth-001geo | 1884 | Pottsville Antharcites | Independent | Pottsville, PA | ||
| George Firth | firth-001geo | 1884 | Millville | Independent | Millville, NJ | ||
| John Firth | firth-002joh | 1884 | 8/15 | 1 g. | Richmond | American Association | Richmond, VA |
| Fischer | fische002--- | 1884 | 8/7 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| John Fischer | fisher002j-- | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | ||
| John Fischer | fisher002j-- | 1884 | 7/17-8/7 | 10 g. | Philadelphia | Union Association | Philadelphia, PA |
| George Fish | fish--001geo | 1884 | 5/3-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| George Fish | fish--001geo | 1884 | 7/31-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| A. Fisher | 1884 | Philadelphia Mutual | Independent | Philadelphia, PA | |||
| Charlie Fisher | fisher006cha | 1884 | Lynn | Massachusetts State Association | Lynn, MA | ||
| Charlie Fisher | fisher006cha | 1884 | 6/7-7/7 | 10 g. | Kansas City | Union Association | Kansas City, MO |
| Charlie Fisher | fisher006cha | 1884 | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| F. Fisher | 1884 | Philadelphia Mutual | Independent | Philadelphia, PA | |||
| George Fisher | fisher009geo | 1884 | 5/2-7/17 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| George Fisher | fisher009geo | 1884 | 7/28-8/2 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| George Fisher | fisher009geo | 1884 | 8/9-8/15 | 6 g. | Cleveland | National League | Cleveland, OH |
| George Fisher | fisher009geo | 1884 | 9/2-9/12 | 8 g. | Wilmington | Union Association | Wilmington, DE |
| Harry Fisher | fisher008har | 1884 | 5/2-5/3 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Harry Fisher | fisher008har | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Mike Fisher | fisher001mik | 1884 | 7 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| W. Fisher | 1884 | Philadelphia Mutual | Independent | Philadelphia, PA | |||
| Fitts | fitts-001--- | 1884 | 6/28-7/5 | Willimantic | Connecticut State League | Willimantic, CT | |
| Fitzgerald | fitzge001--- | 1884 | 7/11-7/17 | Rockville | Connecticut State League | Rockville, CT | |
| John Fitzgerald | fitzge008joh | 1884 | 5 g. | San Francisco Occidental | California League | San Francisco, CA | |
| M. Fitzgerald | fitzge001m-- | 1884 | 5/3-6/7 | Hartford | Connecticut State League | Hartford, CT | |
| M. Fitzgerald | fitzge001m-- | 1884 | Mt. Nemo | Independent | Mt. Nemo, | ||
| Thomas Fitzgerald | fitzge005tho | 1884 | 5/3-9/18 | Waterbury | Connecticut State League | Waterbury, CT | |
| Will Fitzgerald | fitzge004wil | 1884 | 10/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| Fitzpatrick | fitzpa011--- | 1884 | 5/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| John Fitzpatrick | fitzpa006joh | 1884 | 5/3-7/19 | Meriden | Connecticut State League | Meriden, CT | |
| Fitzsimmons | fitzsi001--- | 1884 | York | Keystone Association | York, PA | ||
| John Fitzsimmons | fitzsi001joh | 1884 | Danville | Independent | Danville, VA | ||
| P.J. Flaherty | flaher002p-- | 1884 | 5/3-7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Thomas Flanagan | flanag001tho | 1884 | Shelbyville | Independent | Shelbyville, IN | ||
| Flavin | flavin001--- | 1884 | 8/19-8/20 | Winona Clippers | Northwestern League | Winona, MN | |
| Ben Fleishman | fleish001ben | 1884 | Philadelphia Keystones | Amat | Philadelphia, PA | ||
| Joe Fleishman | fleish001joe | 1884 | Elmira | Independent | Elmira, NY | ||
| Fleming | 1884 | 5/3-5/17 | Waltham | Massachusetts State Association | Waltham, MA | ||
| Tim Fleming | flemin001tim | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Fletcher | fletch002--- | 1884 | 5/20-5/21 | Newark Domestics | Eastern League | Newark, NJ | |
| Silver Flint | flint-001sil | 1884 | 73 g. | Chicago | National League | Chicago, IL | |
| Flood | flood-002--- | 1884 | Philadelphia Somerset | Independent | Philadelphia, PA | ||
| Flynn | 1884 | 9/22 | New Britain | Connecticut State League | New Britain, CT | ||
| Charles Flynn | flynn-001cha | 1884 | 5/28- | Peoria Reds | Northwestern League | Peoria, IL | |
| James Flynn | flynn-005jam | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Jocko Flynn | flynn-001joc | 1884 | 5/3-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Joe Flynn | flynn-001joe | 1884 | 4/18-9/17 | 52 g. | Philadelphia | Union Association | Philadelphia, PA |
| Joe Flynn | flynn-001joe | 1884 | 9 g. | Boston | Union Association | Boston, MA | |
| Jim Fogarty | fogart001jim | 1884 | 5/1- | 97 g. | Philadelphia | National League | Philadelphia, PA |
| John Fogarty | fogart006joh | 1884 | 5/21-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Charles Fogg | fogg--001cha | 1884 | 9/20 | Waterbury | Connecticut State League | Waterbury, CT | |
| Curry? Foley | 1884 | 5/22-5/24 | Waltham | Massachusetts State Association | Waltham, MA | ||
| John Foley | foley-002joh | 1884 | Brattleboro | Independent | Brattleboro, VT | ||
| John Foley | foley-002joh | 1884 | 5/3-8/4 | Quincy Quincys | Northwestern League | Quincy, IL | |
| John Foley | foley-002joh | 1884 | Keokuk | Independent | Keokuk, IA | ||
| John Foley | foley-002joh | 1884 | Hannibal | Independent | Hannibal, MO | ||
| Will Foley | foley-002wil | 1884 | -5/22 | 19 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Will Foley | foley-002wil | 1884 | 5/24-8/13 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Davy Force | force-001dav | 1884 | 106 g. | Buffalo | National League | Buffalo, NY | |
| Ed Ford | ford--001ed- | 1884 | 5/5-6/12 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ed Ford | ford--001ed- | 1884 | 6/26 | Newark Domestics | Eastern League | Newark, NJ | |
| Ed Ford | ford--001ed- | 1884 | 8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ed Ford | ford--001ed- | 1884 | 10/9-10/10 | 2 g. | Richmond | American Association | Richmond, VA |
| Frank Foreman | forema001fra | 1884 | 5/15- | 3 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Frank Foreman | forema001fra | 1884 | 1 g. | Kansas City | Union Association | Kansas City, MO | |
| Frank Foreman | forema001fra | 1884 | Haverhill | Independent | Haverhill, MA | ||
| Frank Foreman | forema001fra | 1884 | 6/28-9/10 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| William Forrest | forres003wil | 1884 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | ||
| William Forrest | forres003wil | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Tom Forster | forste001tom | 1884 | 5/1-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Tom Forster | forste001tom | 1884 | 35 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Elmer Foster | foster001elm | 1884 | 5/1-8/26 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Robert Foster | foster004rob | 1884 | Philadelphia Hillsdale | Independent | Philadelphia, PA | ||
| Robert Foster | foster004rob | 1884 | 1 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Robert Foster | foster004rob | 1884 | 6/18-7/26 | 4 g. | Philadelphia | American Association | Philadelphia, PA |
| Frank Foulkrod | foulkr001fra | 1884 | 5/27-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Frank Foulkrod | foulkr001fra | 1884 | Defiance | Independent | Defiance, | ||
| Frank Foulkrod | foulkr001fra | 1884 | Atlantic City August Flowers | Independent | Atlantic City, NJ | ||
| Frank Foulkrod | foulkr001fra | 1884 | +9/15-10/8+ | Williamsport | Independent | Williamsport, PA | |
| Dave Foutz | foutz-001dav | 1884 | 5/2-7/18 | Bay City | Northwestern League | Bay City, MI | |
| Dave Foutz | foutz-001dav | 1884 | 7/29- | 33 g. | St. Louis Browns | American Association | St. Louis, MO |
| Bud Fowler | fowler004joh | 1884 | 5/3-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Frank Fox | fox---003fra | 1884 | 7/24-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| John Fox | fox---008joh | 1884 | 8 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Joseph Fralinger | fralin001jos | 1884 | Atlantic City August Flowers | Independent | Atlantic City, NJ | ||
| George Frank | 1884 | Umpire | NW | , | |||
| Franklin | frankl003--- | 1884 | 9/27 | 1 g. | Washington | Union Association | Washington, DC |
| Charles Freleigh | frelei001cha | 1884 | 5/3-5/9 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Charles Freleigh | frelei001cha | 1884 | 6/21 | Lynn | Massachusetts State Association | Lynn, MA | |
| Charles Freleigh | frelei001cha | 1884 | 6/24-7/18 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| William Frey | frey--002wil | 1884 | +5/7-7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| William Frey | frey--002wil | 1884 | 8/- | Pittsburgh Athletics | Independent | Pittsburgh, PA | |
| Pat Friel | friel-001pat | 1884 | 5/1-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Pat Friel | friel-001pat | 1884 | 8/11-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Pete Fries | fries-001pet | 1884 | 5/16 | 1 g. | Indianapolis | American Association | Indianapolis, IN |
| Pete Fries | fries-001pet | 1884 | 5/2-5/26 | Stillwater | Northwestern League | Stillwater, MN | |
| F. Friss | friss-001f-- | 1884 | 6/14-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| John Fruin | fruin-001joh | 1884 | Waterbury Monitor | Independent | Waterbury, CT | ||
| John Fruin | fruin-001joh | 1884 | 5/14-7/9 | Meriden | Connecticut State League | Meriden, CT | |
| John Fruin | fruin-001joh | 1884 | Rockville | Connecticut State League | Rockville, CT | ||
| John Fruin | fruin-001joh | 1884 | 8/15-8/16 | Waterbury | Connecticut State League | Waterbury, CT | |
| Fry | fry---001--- | 1884 | Chester | Keystone Association | Chester, PA | ||
| Charles Fulmer | fulmer001chi | 1884 | -8/16 | 31 g. | Cincinnati | American Association | Cincinnati, OH |
| Charles Fulmer | fulmer001chi | 1884 | 1 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Chris Fulmer | fulmer001chr | 1884 | 5/2-8/1 | Peoria Reds | Northwestern League | Peoria, IL | |
| Chris Fulmer | fulmer001chr | 1884 | 8/4- | 48 g. | Washington | Union Association | Washington, DC |
| Eddie Fusselback | fussel001edd | 1884 | 4/17- | 68 g. | Baltimore | Union Association | Baltimore, MD |
| John Gaffney | gaffne002joh | 1884 | Umpire | Mass | , | ||
| John Gaffney | gaffne002joh | 1884-86 | 8/9- | MLB Umpire | National League | , | |
| Hugh Galbraith | galbra001hug | 1884 | Allentown Dukes | Eastern League | Allentown, PA | ||
| Bill Gallagher | gallag001bil | 1884 | Philadelphia Archers | Independent | Philadelphia, PA | ||
| Bill Gallagher | gallag001bil | 1884 | Philadelphia NL Reserves | Independent | Philadelphia, PA | ||
| Bill Gallagher | gallag001bil | 1884 | 6/9-6/18 | 3 g. | Philadelphia | Union Association | Philadelphia, PA |
| Bill Gallagher | gallag001bil | 1884 | +6/29+ | Philadelphia Archers | Independent | Philadelphia, PA | |
| Bill Gallagher | gallag001bil | 1884 | Clearfield | Independent | Clearfield, PA | ||
| John Galligan | gallig001joh | 1884 | 5/1-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Lou Galvin | galvin001lou | 1884 | 5/1-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Lou Galvin | galvin001lou | 1884 | 10/1-10/12 | 3 g. | St. Paul | Union Association | St. Paul, MN |
| Pud Galvin | galvin001pud | 1884 | 72 g. | Buffalo | National League | Buffalo, NY | |
| John Ganley | ganley001joh | 1884 | 5/3 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Charlie Ganzel | ganzel002cha | 1884 | 5/1-9/6 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Charlie Ganzel | ganzel002cha | 1884 | 9/27- | 7 g. | St. Paul | Union Association | St. Paul, MN |
| Gardner | gardne001--- | 1884 | 5/3-6/2 | New Britain | Connecticut State League | New Britain, CT | |
| Gardner | gardne019--- | 1884 | 5/31-8/14 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Alex Gardner | gardne001ale | 1884 | 5/10 | 1 g. | Washington | American Association | Washington, DC |
| Gid Gardner | gardne001gid | 1884 | 41 g. | Baltimore | American Association | Baltimore, MD | |
| Gid Gardner | gardne001gid | 1884 | 38 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Gid Gardner | gardne001gid | 1884 | 1 g. | Baltimore | Union Association | Baltimore, MD | |
| David Garson | garson001--- | 1884 | Hamiton Primrose | Independent | Hamiton, ON | ||
| William Garvin | garvin001wil | 1884 | 5/3-5/31 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| William Garvin | garvin001wil | 1884 | 8/9-8/27 | Willimantic | Connecticut State League | Willimantic, CT | |
| Ed Gastfield | gastfi001ed- | 1884 | 5/8-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Ed Gastfield | gastfi001ed- | 1884 | 8/13- | 23 g. | Detroit | National League | Detroit, MI |
| E.L. Gates | gates-002e-- | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Charles Gaunt | gaunt-001cha | 1884 | 5/1-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Wilson Geary | geary-001wil | 1884 | 5/30 | Allentown Dukes | Eastern League | Allentown, PA | |
| Billy Geer | geer--001bil | 1884 | - 5/10 | 9 g. | Philadelphia | Union Association | Philadelphia, PA |
| Billy Geer | geer--001bil | 1884 | 107 g. | Brooklyn | American Association | Brooklyn, NY | |
| George Geer | geer--001bil | 1884 | 5/1-5/22 | Muskegon | Northwestern League | Muskegon, MI | |
| Harve Geer | 1884 | Pottsville | Independent | Pottsville, PA | |||
| Charlie Geggus | geggus001cha | 1884 | St. Mary's Univ. | College | , | ||
| Charlie Geggus | geggus001cha | 1884 | 5/1-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Charlie Geggus | geggus001cha | 1884 | 8/7-10/19 | 44 g. | Washington | Union Association | Washington, DC |
| Bill Geiss | geiss-001bil | 1884 | 5/1-8/13 | 75 g. | Detroit | National League | Detroit, MI |
| Charles George | george003cha | 1884 | Richmond | Independent | Richmond, VA | ||
| Charles George | george003cha | 1884 | 6/25-8/20 | Newark Domestics | Eastern League | Newark, NJ | |
| J. F. Gerald | 1884 | no g. | Trenton Trentonians | Eastern League | Trenton, NJ | ||
| Joe Gerhardt | gerhar001joe | 1884 | 106 g. | Louisville | American Association | Louisville, KY | |
| Charles Gerstner | 1884 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |||
| Charlie Gessner | gessne001cha | 1884 | 5/10-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Pretzels Getzien | getzie001pre | 1884 | 5/2-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Pretzels Getzien | getzie001pre | 1884 | 8/13- | 17 g. | Detroit | National League | Detroit, MI |
| E.D. Gibbs | gibbs-001e-- | 1884 | 5/2-5/17 | Stillwater | Northwestern League | Stillwater, MN | |
| Albert Gibson | gibson001alb | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Jim Gifford | giffor001jam | 1884 | g. | Indianapolis | American Association | Indianapolis, IN | |
| Gilbert | gilber015--- | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Harry Gilbert | gilber003har | 1884 | Pottsville Alert | Independent | Pottsville, PA | ||
| John Gilbert | gilber006joh | 1884 | Pottsville Alert | Independent | Pottsville, PA | ||
| Bob Gilks | gilks-001rob | 1884 | 5/-9/30 | Hamilton | Ohio State League | Hamilton, OH | |
| Tom Gillen | gillen001tom | 1884 | 4/18- | 29 g. | Philadelphia | Union Association | Philadelphia, PA |
| Patrick Gillespie | gilles003pet | 1884 | 101 g. | New York | National League | New York, NY | |
| Barney Gilligan | gillig001bar | 1884 | 82 g. | Providence | National League | Providence, RI | |
| John Gilligan | 1884 | no g. | Allentown Dukes | Eastern League | Allentown, PA | ||
| Pit Gilman | gilman001pit | 1884 | +5/7-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Pit Gilman | gilman001pit | 1884 | 9/18-9/20 | 2 g. | Cleveland | National League | Cleveland, OH |
| Buck Gladmon | gladmo001buc | 1884 | 56 g. | Washington | American Association | Washington, DC | |
| Buck Gladmon | gladmo001buc | 1884 | Washington Nationals | Independent | Washington, DC | ||
| Jack Glasscock | glassc001jac | 1884 | 72 g. | Cleveland | National League | Cleveland, OH | |
| Jack Glasscock | glassc001jac | 1884 | 38 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Orie Glasser | glasse001ori | 1884 | no g. | Muskegon | Northwestern League | Muskegon, MI | |
| Bill Gleason | gleaso002bil | 1884 | 110 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Jack Gleason | gleaso001jac | 1884 | 92 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Ed Glenn | glenn-001ed- | 1884 | 5/1-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ed Glenn | glenn-001ed- | 1884 | 8/5- | 43 g. | Richmond | American Association | Richmond, VA |
| Goff | goff--003--- | 1884 | 7/9-7/16 | Willimantic | Connecticut State League | Willimantic, CT | |
| Walt Goldsby | goldsb001wal | 1884 | 3/1-5/24 | 27 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Walt Goldsby | goldsb001wal | 1884 | 5/28- | 5 g. | St. Louis Browns | American Association | St. Louis, MO |
| Walt Goldsby | goldsb001wal | 1884 | 6 g. | Washington | American Association | Washington, DC | |
| Walt Goldsby | goldsb001wal | 1884 | 11 g. | Richmond | American Association | Richmond, VA | |
| Walt Goldsby | goldsb001wal | 1884 | Evansville | Independent | Evansville, IN | ||
| Fred Goldsmith | goldsm002fre | 1884 | 22 g. | Chicago | National League | Chicago, IL | |
| Fred Goldsmith | goldsm002fre | 1884 | 4 g. | Baltimore | American Association | Baltimore, MD | |
| Jake Goodman | goodma001jak | 1884 | 5/22-9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Jake Goodman | goodma001jak | 1884 | -10/1 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| George Gore | gore--001geo | 1884 | 103 g. | Chicago | National League | Chicago, IL | |
| Jack Gorman | gorman001jac | 1884 | 8 g. | Kansas City | Union Association | Kansas City, MO | |
| Jack Gorman | gorman001jac | 1884 | 5/2-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Jack Gorman | gorman001jac | 1884 | 9/3-9/6 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Jack Gorman | gorman001jac | 1884 | -10/14 | 8 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Thomas Gorman | gorman004tho | 1884 | 6/10-7/25 | 25 g. | Kansas City | Union Association | Kansas City, MO |
| W. Gould | gould-001w-- | 1884 | 5/1-5/10 | Allentown Dukes | Eastern League | Allentown, PA | |
| W. Gould | gould-001w-- | 1884 | Warren | Independent | Warren, PA | ||
| Jack Grady | grady-000jac | 1884 | 5/1-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Jack Grady | grady-000jac | 1884 | Trenton Trentonians | Eastern League | Trenton, NJ | ||
| John Grady | grady-001joh | 1884 | 5/10-5/24 | 9 g. | Altoona | Union Association | Altoona, PA |
| John Grady | grady-001joh | 1884 | 8/8-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Patrick Grady | grady-002pat | 1884 | +5/7-7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Graham | graham001--- | 1884 | 5/3-6/2 | New Britain | Connecticut State League | New Britain, CT | |
| Graham | 1884 | Dubuque | Independent | Dubuque, IA | |||
| Bernie Graham | graham003ber | 1884 | 5/3-7/5 | Worcester | Massachusetts State Association | Worcester, MA | |
| Bernie Graham | graham003ber | 1884 | 7/11-10/15 | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Bernie Graham | graham003ber | 1884 | 41 g. | Baltimore | Union Association | Baltimore, MD | |
| Henry Graham | 1884 | no g. | Chicago Reserves | Independent | Chicago, IL | ||
| Henry Graham | 1884 | Chicago-Pittsburgh | Union Association | Chicago, IL | |||
| Granville | granvi001--- | 1884 | 6/24-6/28 | Rockville | Connecticut State League | Rockville, CT | |
| Charles Graul | graul-001cha | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| Charles Graul | graul-001cha | 1884 | +9/+ | Chester | Independent | Chester, PA | |
| Graulich | 1884 | +10/4+ | Philadelphia Murphy | Independent | Philadelphia, PA | ||
| Frank Graves | graves004fra | 1884 | 5/2-7/18 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Frank Graves | graves004fra | 1884 | 7/30-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Frank Graves | graves004fra | 1884 | New Orleans | Independent | New Orleans, LA | ||
| Gray | gray--034--- | 1884 | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | ||
| Jim Gray | gray--001jim | 1884 | 10/9 | 1 g. | Pittsburgh | American Association | Pittsburgh, PA |
| William Gray | gray--015wil | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | ||
| Ed Green | green-002ed- | 1884 | Chambersburg | Keystone Association | Chambersburg, PA | ||
| Ed Green | green-002ed- | 1884 | York | Keystone Association | York, PA | ||
| Ed Green | green-002ed- | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| Jim Green | green-001jim | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Jim Green | green-001jim | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Jim Green | green-001jim | 1884 | 7/19-8/4 | 10 g. | Washington | Union Association | Washington, DC |
| John Green | green-009joh | 1884 | 5/26-7/3 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Bill Greenwood | greenw001bil | 1884 | 92 g. | Brooklyn | American Association | Brooklyn, NY | |
| Ed Greer | greer-001ed- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Bart Grether | grethe001alb | 1884 | 5/1-5/30 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Bart Grether | grethe001alb | 1884 | 6/4-6/18 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Bart Grether | grethe001alb | 1884 | 6/30-7/12 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Grewes | grewes000--- | 1884 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | ||
| Sandy Griffin | griffi001san | 1884 | 5/26- | 16 g. | New York | National League | New York, NY |
| Thomas Griffin | griffi006tho | 1884 | 5/1-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Thomas Griffin | griffi006tho | 1884 | 9/27-10/11 | 11 g. | Milwaukee | Union Association | Milwaukee, WI |
| Charles Griswold | griswo001cha | 1884 | 5/3-9/4 | Hartford | Connecticut State League | Hartford, CT | |
| Charles Griswold | griswo001cha | 1884 | 9/17 | Meriden | Connecticut State League | Meriden, CT | |
| Emil Gross | gross-001emi | 1884 | -7/14 | 23 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Emil Gross | gross-001emi | 1884 | Oil City | Iron & Oil Association | Oil City, PA | ||
| Emil Gross | gross-001emi | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Andy Groth | groth-001and | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Growley | growle001--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Henry Gruber | gruber001hen | 1884 | 5/3-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| John Guehrer | guehre001joh | 1884 | 5/2-7/12 | Allentown Dukes | Eastern League | Allentown, PA | |
| John Guehrer | guehre001joh | 1884 | 7/21-9/3 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Thomas Guest | guest-002tho | 1884 | 5/14-9/20 | Waterbury | Connecticut State League | Waterbury, CT | |
| Ben Guiney | guiney001ben | 1884 | -6/28 | 2 g. | Detroit | National League | Detroit, MI |
| Ben Guiney | guiney001ben | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| Fred Gunkle | gunkle001fre | 1884 | Umpire | NW | , | ||
| Fred Gunkle | gunkle001fre | 1884 | 7/5-7/10 | Stillwater | Northwestern League | Stillwater, MN | |
| Tom Gunning | gunnin001tom | 1884 | 5/1-7/19 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Tom Gunning | gunnin001tom | 1884 | 7/26- | 12 g. | Boston | National League | Boston, MA |
| Joe Gunson | gunson001joe | 1884 | Philadelphia Hartville | Independent | Philadelphia, PA | ||
| Joe Gunson | gunson001joe | 1884 | 6/14- | 45 g. | Washington | Union Association | Washington, DC |
| Gussie | 1884 | New York Alaskas | Independent | New York, NY | |||
| Henry Gussman | gussma002hen | 1884 | 5/3 | New Britain | Connecticut State League | New Britain, CT | |
| Charlie Hackett | hacket001cha | 1884 | 5/1- | 113 g. | Cleveland | National League | Cleveland, OH |
| Mert Hackett | hacket001mer | 1884 | 72 g. | Boston | National League | Boston, MA | |
| Walter Hackett | hacket001wal | 1884 | 4/17- | 103 g. | Boston | Union Association | Boston, MA |
| Charles Hadding | haddin001cha | 1884 | TriSt | , | |||
| A. M. Hade | 1884 | no g. | Harrisburg Olympics | Eastern League | Harrisburg, PA | ||
| Art Hagan | hagan-001art | 1884 | 3 g. | Buffalo | National League | Buffalo, NY | |
| Stephen Hagan | hagan-002ste | 1884 | Rock Island | Independent | Rock Island, IL | ||
| Stephen Hagan | hagan-002ste | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Stephen Hagan | hagan-002ste | 1884 | Evansville | Independent | Evansville, IN | ||
| Charles Hager | hager-002cha | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Bill Hague | hague-001bil | 1884 | 5/1-5/26 | Umpire | East | , | |
| Bill Hague | hague-001bil | 1884 | Oil City | Iron & Oil Association | Oil City, PA | ||
| Ed Halbriter | halbri001ed- | 1884 | 5/1-7/31 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Edward Hale | 1884 | Dartmouth Col. | College | , | |||
| Elmer Hall | hall--001elm | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Jim Halpin | halpin001jim | 1884 | 5/1-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Jim Halpin | halpin001jim | 1884 | 46 g. | Washington | Union Association | Washington, DC | |
| Halsey | 1884 | 7 g. | Newburg | Independent | Newburg, NY | ||
| Charlie Hamburg | hambur003cha | 1884 | Louisville Eclipse | Independent | Louisville, KY | ||
| Charlie Hamburg | hambur003cha | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| John Hamill | hamill001joh | 1884 | 5/1-7/31 | 21 g. | Washington | American Association | Washington, DC |
| J.H. Hamilton | hamilt004j-- | 1884 | 5/22-6/17 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| P. Hammelstein | 1884 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |||
| George Hammerstein | hammer001geo | 1884 | 7/3-9/7 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Frank Hankinson | hankin001fra | 1884 | 105 g. | New York | National League | New York, NY | |
| George Hanley | hanley001geo | 1884 | 8 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| George Hanley | hanley001geo | 1884 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Ned Hanlon | hanlon001ned | 1884 | 114 g. | Detroit | National League | Detroit, MI | |
| Richard Hanlon | hanlon002ric | 1884 | 5/17 | Lynn | Massachusetts State Association | Lynn, MA | |
| John Hanna | hanna-003joh | 1884 | 5/1-5/15 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| John Hanna | hanna-003joh | 1884 | 5/23-10/15 | 23 g. | Washington | American Association | Washington, DC |
| John Hanna | hanna-003joh | 1884 | 22 g. | Richmond | American Association | Richmond, VA | |
| Thomas Hannerhan | 1884 | Boston | Union Association | Boston, MA | |||
| Dicky Hannum | hannum001elw | 1884 | Chester | Keystone Association | Chester, PA | ||
| Dicky Hannum | hannum001elw | 1884 | many local | Independent | , | ||
| William Hanrahan | hanrah002wil | 1884 | Brooklyn Peerless | Amat | Brooklyn, NY | ||
| William Hanrahan | hanrah002wil | 1884 | Boston Whiting | Amat | Boston, MA | ||
| Bill Harbridge | harbri001bil | 1884 | 82 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Lou Hardie | hardie001lou | 1884 | 5/22- | 3 g. | Philadelphia | National League | Philadelphia, PA |
| Lou Hardie | hardie001lou | 1884 | 6/19-7/17 | Richmond Virginias | Eastern League | Richmond, VA | |
| Lou Hardie | hardie001lou | 1884 | Norfolk | Independent | Norfolk, VA | ||
| Lou Hardie | hardie001lou | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Thomas Hargraves | hargra001tho | 1884 | Chester | Keystone Association | Chester, PA | ||
| John Harkins | harkin002joh | 1884 | 5/2- | 61 g. | Cleveland | National League | Cleveland, OH |
| Charles Harman | 1884 | New York Delawares | Independent | New York, NY | |||
| Charles Harman | 1884 | Augusta Clinchs | Georgia State League | Augusta, GA | |||
| James Harmon | harmon002jam | 1884 | 5/2-5/20 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| James Harmon | harmon002jam | 1884 | 6/27 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Edward Harris | harris003edw | 1884 | Amherst College | College | , | ||
| Edward Harris | harris003edw | 1884 | 7/14-7/19 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Frank Harris | harris004fra | 1884 | 5/- | Hamilton | Ohio State League | Hamilton, OH | |
| James Harris | harris004fra | 1884 | 4/17-5/31 | 24 g. | Altoona | Union Association | Altoona, PA |
| James Harris | harris004fra | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| James Harris | harris004fra | 1884 | no g. | Lancaster | Independent | Lancaster, PA | |
| Frank Hart | 1884 | St. Louis Black Stockings | Independent | St. Louis, MO | |||
| George Harter | harter001geo | 1884 | 5/1-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| George Harter | harter001geo | 1884 | 8/21-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Pete Hasney | hasney001pet | 1884 | Augusta Browns | Georgia State League | Augusta, GA | ||
| Christy Hassett | hasset001chr | 1884 | 5/22-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Christy Hassett | hasset001chr | 1884 | +9/16+ | Jersey City | Independent | Jersey City, NJ | |
| Orrin Hatch | 1884 | Danvers | Independent | Danvers, MA | |||
| Gil Hatfield | hatfie001gil | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Gil Hatfield | hatfie001gil | 1884 | 5/22-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Gil Hatfield | hatfie001gil | 1884 | 7/7-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| William Hatton | 1884 | Washington Manhattan | Independent | Washington, DC | |||
| Hausman/Houseman | 1884 | Westminster | Independent | Westminster, MD | |||
| Hausman/Houseman | 1884 | Raleigh | NCst | Raleigh, NC | |||
| Charlie Hautz | houtz-001cha | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Charlie Hautz | hautz-001cha | 1884 | -9/4 | 7 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Bill Hawes | hawes-001bil | 1884 | -10/15 | 79 g. | Cincinnati | Union Association | Cincinnati, OH |
| Thorny Hawkes | hawkes001tho | 1884 | -8/2 | 38 g. | Washington | American Association | Washington, DC |
| Jackie Hayes | hayes-001jac | 1884 | 33 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Jackie Hayes | hayes-001jac | 1884 | 16 g. | Brooklyn | American Association | Brooklyn, NY | |
| John Hayes | 1884 | San Francisco Occidental | California League | San Francisco, CA | |||
| Healey | healey001--- | 1884 | 5/3-5/30 | Worcester | Massachusetts State Association | Worcester, MA | |
| Tom Healey | healey001tom | 1884 | 5/16-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| C.C. Heard | heard-001c-- | 1884 | Augusta Browns | Georgia State League | Augusta, GA | ||
| Guy Hecker | hecker001guy | 1884 | 78 g. | Louisville | American Association | Louisville, KY | |
| William Heckman | 1884 | Pottsville | Independent | Pottsville, PA | |||
| Frank Heifer | heifer001fra | 1884 | 5/23-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Jack Heinzman | heinzm001jac | 1884 | 5/9-6/24 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Jack Heinzman | heinzm001jac | 1884 | Atlanta | Georgia State League | Atlanta, GA | ||
| Heisler | heisle001--- | 1884 | 6/30 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Tony Hellman | hellma001ton | 1884 | 45 g. | Terre Haute | Northwestern League | Terre Haute, IN | |
| Tony Hellman | hellma001ton | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Tony Hellman | hellma001ton | 1884 | Nashville | Independent | Nashville, TN | ||
| Bill Henderson | hender006wil | 1884 | 4/17-10/15 | g. | Baltimore | Union Association | Baltimore, MD |
| Hardie Henderson | hender004har | 1884 | 53 g. | Baltimore | American Association | Baltimore, MD | |
| Hendricks | hendri005--- | 1884 | Chillicothe Logans | Ohio State League | Chillicothe, OH | ||
| John Hendricks | hendri006joh | 1884 | 8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Ed Hengel | hengle001edw | 1884 | 4/20-8/22 | g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Moxie Hengel | hengle001mox | 1884 | 4/20- | 19 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Moxie Hengel | hengle001mox | 1884 | 9 g. | St. Paul | Union Association | St. Paul, MN | |
| Moxie Hengel | hengle001mox | 1884 | 7/22-8/27 | MLB Umpire | Union Association | , | |
| Moxie Hengel | hengle001mox | 1884 | 5/24-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Lewis Henke | henke-001lew | 1884 | Atlanta | Georgia State League | Atlanta, GA | ||
| Thomas Henri | 1884 | no g. | Allentown Dukes | Eastern League | Allentown, PA | ||
| John Henrich | 1884 | 1 g. | Terre Haute | Northwestern League | Terre Haute, IN | ||
| John Henry | henry-007joh | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| John Henry | henry-007joh | 1884 | 8/13- | 9 g. | Cleveland | National League | Cleveland, OH |
| Hetcher | hetche001--- | 1884 | 7/15 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ted Hewer | hewer-001ed- | 1884 | Guelph Beavers | WOntario | Guelph, ON | ||
| John Hibbard | hibbar001joh | 1884 | U. of Michigan | College | , | ||
| John Hibbard | hibbar001joh | 1884 | 7/31-8/2 | 2 g. | Chicago | National League | Chicago, IL |
| Hibbon | hibbon001--- | 1884 | +6/11+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Ernie Hickman | hickma001ern | 1884 | 3/1-6/2 | 23 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Ernie Hickman | hickma001ern | 1884 | 6/7-7/29 | 19 g. | Kansas City | Union Association | Kansas City, MO |
| Levi Hickman | hickma001lev | 1884 | 5/1-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Higgins | higgin002--- | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Bill Higgins | higgin001bil | 1884 | 4/18-5/? | Lancaster | Independent | Lancaster, PA | |
| Bill Higgins | higgin001bil | 1884 | 5/22-9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Bill Higgins | higgin001bil | 1884 | 9/?-10/1 | Lancaster | Independent | Lancaster, PA | |
| John Hiland | hiland001joh | 1884 | 5/2-6/5 | Lancaster | Keystone Association | Lancaster, PA | |
| John Hiland | hiland001joh | 1884 | 7/?-10/1 | Lancaster | Independent | Lancaster, PA | |
| Lewis Hill | hill--002lew | 1884 | /1-4/19 | 5 g. | St. Louis Reserves | Independent | St. Louis, MO |
| James Hillery | hiller002jam | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| James Hillery | hiller002jam | 1884 | 8/3-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Charlie Hilsey | hilsey001cha | 1884 | 6 g. | Philadelphia | American Association | Philadelphia, PA | |
| Mike Hines | hines-001mik | 1884 | 35 g. | Boston | National League | Boston, MA | |
| Mike Hines | hines-001mik | 1884 | 7/26 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Paul Hines | hines-001pau | 1884 | 114 g. | Providence | National League | Providence, RI | |
| C. M. Hockett | 1884 | Quincy Quincys | Northwestern League | Quincy, IL | |||
| Harry Hodge | hodge-002har | 1884 | 5/5+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Charlie Hodnett | hodnet001cha | 1884 | -7/3 | 18 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| Hofer | hofer-001--- | 1884 | +5/26-7/25 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Chick Hofford | hoffor001jos | 1884 | 5/2-6/5 | Lancaster | Keystone Association | Lancaster, PA | |
| Chick Hofford | hoffor001jos | 1884 | Lancaster | Independent | Lancaster, PA | ||
| John Hofford | hoffor001joh | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| John Hofford | hoffor001joh | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| Bob Hogan | hogan-001edd | 1884 | no g. | Baltimore | Union Association | Baltimore, MD | |
| John Hogan | hogan-007joh | 1884 | 5/3-7/9 | Meriden | Connecticut State League | Meriden, CT | |
| John Hogan | hogan-007joh | 1884 | North Brookfield | Independent | North Brookfield, MA | ||
| Mortimer Hogan | hogan-001mor | 1884 | 5/1-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Mortimer Hogan | hogan-001mor | 1884 | 9/27- | 11 g. | Milwaukee | Union Association | Milwaukee, WI |
| Stephen Hogan | 1884 | Evansville | Independent | Evansville, IN | |||
| William Hogan | hogan-003wil | 1884 | 5/3-6/21 | Meriden | Connecticut State League | Meriden, CT | |
| William Hoggins | hoggin001wil | 1884 | Hartford | Independent | Hartford, CT | ||
| William Hoggins | hoggin001wil | 1884 | Savannah Dixies | Georgia State League | Savannah, GA | ||
| Charles Holacher | holach001cha | 1884 | Philadelphia Defiance | Independent | Philadelphia, PA | ||
| Bill Holbert | holber001bil | 1884 | 65 g. | New York | American Association | New York, NY | |
| Jim Holdsworth | holdsw001jim | 1884 | -6/9 | 5 g. | Indianapolis | American Association | Indianapolis, IN |
| Dennis Holland | hollan001den | 1884 | 5/2-5/29 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Jack Holland | hollan001joh | 1884 | 5/15- | 15 g. | MLB Umpire | American Association | , |
| Jack Holland | hollan001joh | 1884 | 32 g. | MLB Umpire | Union Association | , | |
| Will Holland | hollan007wil | 1884 | 5/2-6/5 | Lancaster | Keystone Association | Lancaster, PA | |
| Will Holland | hollan007wil | 1884 | 7/?-10/1 | Lancaster | Independent | Lancaster, PA | |
| Charles Hollenbeck | hollen002cha | 1884 | 5/1-7/4 | Newark Domestics | Eastern League | Newark, NJ | |
| Holly Hollingshead | hollin001hol | 1884 | ?-8/1 | g. | Washington | American Association | Washington, DC |
| John Holzberger | holzbe001joh | 1884 | Long Island A's | Independent | Long Island, NY | ||
| John Holzberger | holzbe001joh | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Honan | honan-001--- | 1884 | 10/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| Charles Hontz | 1884 | Grand Rapids | Northwestern League | Grand Rapids, MI | |||
| Mike Hooper | hooper001mik | 1884 | -5/8 | 9 g. | MLB Umpire | Union Association | , |
| William Hoover | hoover001bus | 1884 | 4/17- | 63 g. | Philadelphia | Union Association | Philadelphia, PA |
| William Hoover | hoover001bus | 1884 | 10 g. | Philadelphia | National League | Philadelphia, PA | |
| William Hoover | 1884 | 5/1-6/5 | Umpire | East | , | ||
| William Hoover | 1884 | 7/- | Umpire | NW | , | ||
| Thomas Hope | 1884 | Cincinnati Artics | Independent | Cincinnati, OH | |||
| Thomas Hope | 1884 | Georgetown | Independent | Georgetown, KY | |||
| John Horan | horan-003joh | 1884 | 5/2-7/28 | Stillwater | Northwestern League | Stillwater, MN | |
| Patrick Horan | horan-002joh | 1884 | 5/17-7/14 | 20 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Patrick Horan | horan-002joh | 1884 | no g. | Quincy Quincys | Northwestern League | Quincy, IL | |
| Jack Horner | horner002jac | 1884 | 5/8-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Jack Horner | horner002jac | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| Joe Hornung | hornun001mik | 1884 | 115 g. | Boston | National League | Boston, MA | |
| Pete Hotaling | hotali001pet | 1884 | 102 g. | Cleveland | National League | Cleveland, OH | |
| Sadie Houck | houck-001sad | 1884 | 108 g. | Philadelphia | American Association | Philadelphia, PA | |
| Charlie Householder | househ001cha | 1884 | 4/20-9/18 | 83 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Charlie Householder | househ002cha | 1884 | -10/15 | 76 g. | Brooklyn | American Association | Brooklyn, NY |
| Julius Hovey | 1884 | +8/16+ | Philadelphia Riverton | Independent | Philadelphia, PA | ||
| Kent Howard | howard002e-- | 1884 | 5/12-7/21 | Bay City | Northwestern League | Bay City, MI | |
| Shorty Howe | howe--001sho | 1884 | +9/16+ | Jersey City | Independent | Jersey City, NJ | |
| William Howes | 1884 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |||
| Al Hubbard | hubbar001al- | 1884 | Westfield | Independent | Westfield, MA | ||
| Al Hubbard | hubbar001al- | 1884 | 5/2-5/10 | Springfield | Massachusetts State Association | Springfield, MA | |
| Al Hubbard | hubbar001al- | 1884 | 5/21-6/27 | Meriden | Connecticut State League | Meriden, CT | |
| Al Hubbard | hubbar001al- | 1884 | Co. K | CtMilitary | , | ||
| Hudson | 1884 | Chicago Reserves | Independent | Chicago, IL | |||
| Nat Hudson | hudson001nat | 1884 | Rock Island | Independent | Rock Island, IL | ||
| Nat Hudson | hudson001nat | 1884 | 8/7 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Vince Hudson | hudson001vin | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Bishop Huey | huey--001bis | 1884 | -9/30 | Hamilton | Ohio State League | Hamilton, OH | |
| Bill Hughes | hughes001bil | 1884 | 5/2-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Bill Hughes | hughes001bil | 1884 | 9/28- | 14 g. | Washington | Union Association | Washington, DC |
| John Hughes | hughes012joh | 1884 | 5/2-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Mickey Hughes | hughes007mic | 1884 | +9/16+ | Jersey City | Independent | Jersey City, NJ | |
| Elmer Hull | hull--000elm | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Humphrey | humphr017--- | 1884 | 6/7-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| John Humphries | humphr004joh | 1884 | -10/13 | 49 g. | Washington | American Association | Washington, DC |
| John Humphries | humphr004joh | 1884 | 20 g. | New York | National League | New York, NY | |
| Al Hungler | hungle001al- | 1884 | 3/1-6/2 | 20 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Bill Hunter | hunter001bil | 1884 | 5/2-5/9 | 2 g. | Louisville | American Association | Louisville, KY |
| Lem Hunter | hunter001lem | 1884 | 5/1-7/22 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Jerry Hurley | hurley002jer | 1884 | 5/3-7/10 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Jerry Hurley | hurley002jer | 1884 | 8/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Jeff Hurst/Horst | hurst-001jef | 1884 | 8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Bill Hutchison | hutchi001bil | 1884 | 6/10- | 2 g. | Kansas City | Union Association | Kansas City, MO |
| James Hylan | hylan-001jam | 1884 | 5/3-5/10 | Meriden | Connecticut State League | Meriden, CT | |
| Hyndman | hyndma001--- | 1884 | 7/2-7/19+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Hyndman | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | |||
| William Hyndman | hyndma001wil | 1884 | Holyoke | Independent | Holyoke, MA | ||
| William Hyndman | hyndma001wil | 1884 | 9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Chick Imlay | imlay-001chi | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| William Incell | incell001wil | 1884 | 8 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Charlie Ingraham | ingrah001cha | 1884 | 8/18-9/1 | Winona Clippers | Northwestern League | Winona, MN | |
| Charlie Ingraham | ingrah001cha | 1884 | Lancaster Ironsides | Eastern League | Lancaster, PA | ||
| Charlie Ingraham | ingrah001cha | 1884 | Trenton Trentonians | Eastern League | Trenton, NJ | ||
| Irwin | irwin-003--- | 1884 | no g. | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Irwin | irwin-003--- | 1884 | 6/7-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| Arthur Irwin | irwin-001art | 1884 | 102 g. | Providence | National League | Providence, RI | |
| John Irwin | irwin-001joh | 1884 | 105 g. | Boston | Union Association | Boston, MA | |
| Charles Isaacson | isaacs004cha | 1884 | 5/2-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Ives | ives--001--- | 1884 | 5/6 | Stillwater | Northwestern League | Stillwater, MN | |
| Jacobs | jacobs020--- | 1884 | Philadelphia Foley | Independent | Philadelphia, PA | ||
| Jacobs | jacobs020--- | 1884 | 6/20 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Alex? Jacobs | 1884 | Philadelphia Wharton | Independent | Philadelphia, PA | |||
| Harry Jacoby | jacoby001har | 1884 | 5/1-6/17 | Reading Actives | Eastern League | Reading, PA | |
| Harry Jacoby | jacoby001har | 1884 | 6/28-8/11 | Allentown Dukes | Eastern League | Allentown, PA | |
| William Jamison | jamiso002wil | 1884 | 8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| William Jamison | jamiso002wil | 1884 | Union Pacific | Omaha, NE | |||
| John Jandron | jandro001joh | 1884 | 5/3-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| John Jandron | jandro001joh | 1884 | 7/31-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Alamazoo Jennings | jennin001ala | 1884 | MLB Umpire | Union Association | , | ||
| Alamazoo Jennings | jennin001ala | 1884 | Umpire | NW | , | ||
| Andrew Jennings | 1884 | 28 g. | MLB Umpire | American Association | , | ||
| Fred Jevne | jevne-001fre | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Fred Jevne | jevne-001fre | 1884 | Dayton Gem Citys | Independent | Dayton, OH | ||
| Johnson | johnso121--- | 1884 | 1 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Claude Johnson | johnso015cla | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Joe Johnson | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| Lefty Johnson | johnso037wil | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| Lefty Johnson | johnso001bil | 1884 | 6/27 | 1 g. | Philadelphia | Union Association | Philadelphia, PA |
| Dick Johnston | johnst001dic | 1884 | 5/1-8/2 | Richmond Virginias | Eastern League | Richmond, VA | |
| Dick Johnston | johnst001dic | 1884 | 8/12- | 39 g. | Richmond | American Association | Richmond, VA |
| Jones | jones-112--- | 1884 | 5/24-5/31 | Hartford | Connecticut State League | Hartford, CT | |
| Jones | jones-002--- | 1884 | 7/14-7/18 | 4 g. | Washington | American Association | Washington, DC |
| Jones | jones-140--- | 1884 | 7/14 or 15 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| Bill Jones | jones-003bil | 1884 | 5/9-5/27 | Chester | Keystone Association | Chester, PA | |
| Bill Jones | jones-003bil | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | ||
| Bill Jones | jones-003bil | 1884 | 7/17-7/23 | 4 g. | Philadelphia | Union Association | Philadelphia, PA |
| Charley Jones | jones-018cha | 1884 | 112 g. | Cincinnati | American Association | Cincinnati, OH | |
| Charlie Jones | jones-019cha | 1884 | 6/16-6/17 | Newark Domestics | Eastern League | Newark, NJ | |
| Charlie Jones | jones-019cha | 1884 | 6/28-9/26 | 25 g. | Brooklyn | American Association | Brooklyn, NY |
| D. Jones | 1884 | Philadelphia Mutual | Independent | Philadelphia, PA | |||
| D.W. Jones | jones-004d-- | 1884 | 5/2-8/3 | Muskegon | Northwestern League | Muskegon, MI | |
| Frank Jones | jones-002fra | 1884 | 5/2-6/14 | Stillwater | Northwestern League | Stillwater, MN | |
| Frank Jones | jones-002fra | 1884 | 7/2-7/7 | 2 g. | Detroit | National League | Detroit, MI |
| Henry Jones | jones-006hen | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Henry Jones | jones-006hen | 1884 | 8/20- | 34 g. | Detroit | National League | Detroit, MI |
| Henry Jones | jones-007hen | 1884 | McKeesport | Independent | McKeesport, PA | ||
| Jack Jones | jones-008jac | 1884 | 5/21-6/11 | Meriden | Connecticut State League | Meriden, CT | |
| Jack Jones | jones-008jac | 1884 | Westfield | Independent | Westfield, CT | ||
| Ri Jones | jones-009jac | 1884 | -8/27 | 69 g. | Cincinnati | Union Association | Cincinnati, OH |
| Mike Jordan | jordan001mik | 1884 | 5/3-5/30 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Mike Jordan | jordan001mik | 1884 | Biddeford | Independent | Biddeford, ME | ||
| William Jordan | jordan003wil | 1884 | 6/5 | Salem | Massachusetts State Association | Salem, MA | |
| William Jordan | 1884 | 9/24 | MLB Umpire | Union Association | , | ||
| Ralph Josselyn | jossel001ral | 1884 | 5/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Pop Joy | joy---001pop | 1884 | 6/3-9/24 | 36 g. | Washington | Union Association | Washington, DC |
| Charles Justi | justi-000cha | 1884 | Chicago West Ends | Independent | Chicago, IL | ||
| Louis Justi | 1884 | Chicago West Ends | Independent | Chicago, IL | |||
| Charlie Kalbfus | kalbfu001cha | 1884 | 4/18 | 1 g. | Washington | Union Association | Washington, DC |
| Kane | 1884 | Chicago Reserves | Independent | Chicago, IL | |||
| William Kane | kane--005wil | 1884 | 5/-6/ | Hamilton | Ohio State League | Hamilton, OH | |
| Henry Kappel | kappel001hei | 1884 | 5/5-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Henry Kappel | kappel001hei | 1884 | 10/4+ | Philadelphia Somerset | Independent | Philadelphia, PA | |
| Joe Kappel | kappel001joe | 1884 | 5/26- | 4 g. | Philadelphia | National League | Philadelphia, PA |
| Joe Kappel | kappel001joe | 1884 | Baltimore Monumentals | Eastern League | Baltimore, MD | ||
| Joe Kappel | kappel001joe | 1884 | 7/14-9/28 | Allentown Dukes | Eastern League | Allentown, PA | |
| Joe Kappel | kappel001joe | 1884 | 10/4+ | Philadelphia Somerset | Independent | Philadelphia, PA | |
| Charles Kavanaugh | cavana001cha | 1884 | Akron | Independent | Akron, OH | ||
| Charles Kavanaugh | cavana001cha | 1884 | -9/30 | Hamilton | Ohio State League | Hamilton, OH | |
| Tom Kearns | kearns001tom | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Tom Kearns | kearns001tom | 1884 | -10/14 | 21 g. | Detroit | National League | Detroit, MI |
| Maurice Keefe | keefe-001mau | 1884 | 5/23-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| Maurice Keefe | keefe-001mau | 1884 | 8/14-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Tim Keefe | keefe-002tim | 1884 | 62 g. | New York | American Association | New York, NY | |
| Keely | keely-001--- | 1884 | +7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Jim Keenan | keenan001jim | 1884 | 68 g. | Indianapolis | American Association | Indianapolis, IN | |
| Owen Keenan | keenan001onl | 1884 | +5/30-8/9 | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Keener | keener003--- | 1884 | 7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Keeney | keeney001--- | 1884 | Westfield Firemen | Independent | Westfield, | ||
| Keeney | keeney001--- | 1884 | 5/21-8/30 | Rockville | Connecticut State League | Rockville, CT | |
| W. Keeney | keeney001w-- | 1884 | 7/22-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Kelley | kelley004--- | 1884 | 6/21 | Newark Domestics | Eastern League | Newark, NJ | |
| P. W. Kelley | 1884 | Evansville | Independent | Evansville, IL | |||
| P. W. Kelley | 1884 | Nashville | Independent | Nashville, TN | |||
| Kelly | 1884 | 5/27-5/31 | Umpire | East | , | ||
| Kelly | kelly-087--- | 1884 | 7/14-7/15 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| E. Kelly | kelly-004e-- | 1884 | 5/31-6/7 | Rockville | Connecticut State League | Rockville, CT | |
| J. Kelly | kelly-005j-- | 1884 | 5/3-5/21 | Hartford | Connecticut State League | Hartford, CT | |
| J. Kelly | kelly-005j-- | 1884 | 5/30-8/16 | Rockville | Connecticut State League | Rockville, CT | |
| John Kelly | kelly-012joh | 1884 | 38 g. | Cincinnati | Union Association | Cincinnati, OH | |
| John Kelly | kelly-012joh | 1884 | 4 g. | Washington | Union Association | Washington, DC | |
| King Kelly | kelly-002kin | 1884 | 108 g. | Chicago | National League | Chicago, IL | |
| W. Kelly | kelly-006w-- | 1884 | 5/3-6/11 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| William Kelly | kelly-020wil | 1884 | 5/7-5/27+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| William Kelly | kelly-020wil | 1884 | 8/- | Pittsburgh Athletics | Independent | Pittsburgh, PA | |
| Rudy Kemmler | kemmle001rud | 1884 | 61 g. | Columbus | American Association | Columbus, OH | |
| Doc Kennedy | kenned001doc | 1884 | 9/29 | MLB Umpire | National League | , | |
| Ed Kennedy | kenned001ed- | 1884 | 103 g. | New York | American Association | New York, NY | |
| Ed Kennedy | kenned002ed- | 1884 | 5/17-8/1 | 13 g. | Cincinnati | Union Association | Cincinnati, OH |
| John Kennedy | kenned007joh | 1884 | 5/5-5/28+ | Umpire | Iron&Oil | , | |
| John Kennedy | kenned007joh | 1884 | +6/9-6/13+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Lou Kennedy | kenned002lou | 1884 | 9 g. | San Francisco Star | California League | San Francisco, CA | |
| Patrick Kennedy | kenned002pat | 1884 | 5/3-10/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| Ted Kennedy | kenned001ted | 1884 | Keokuk | Independent | Keokuk, IA | ||
| Ed Kent | kent--001ed- | 1884 | 5/2-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Ed Kent | kent--001ed- | 1884 | 8/14 | 1 g. | Toledo | American Association | Toledo, OH |
| John Kerins | kerins001joh | 1884 | 5/1- | 94 g. | Indianapolis | American Association | Indianapolis, IN |
| Kerwin | kerwin001--- | 1884 | 7/15 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| Henry Kessler | kessle001hen | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| Henry Kessler | kessle001hen | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Bill Kienzle | kienzl001bil | 1884 | -8/7 | 67 g. | Philadelphia | Union Association | Philadelphia, PA |
| Bill Kienzle | kienzl001bil | 1884 | 8/14-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| John Kiley | kiley-001joh | 1884 | 5/1- | 14 g. | Washington | American Association | Washington, DC |
| John Kiley | kiley-001joh | 1884 | 6/14-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| John Kiley | kiley-001joh | 1884 | 7/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| John Kiley | kiley-001joh | 1884 | 8/9-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Kilroy | 1884 | Atlantic City August Flowers | Independent | Atlantic City, NJ | |||
| Matt Kilroy | kilroy001mat | 1884 | Augusta Browns | Georgia State League | Augusta, GA | ||
| Pete Kilroy | kilroy001pet | 1884 | 5/23-9/11 | Newark Domestics | Eastern League | Newark, NJ | |
| Pete Kilroy | kilroy001pet | 1884 | 9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Sam Kimber | kimber001sam | 1884 | 5/1- | 41 g. | Brooklyn | American Association | Brooklyn, NY |
| Edward King | king--003edw | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Edward King | king--003edw | 1884 | no g. | Springfield | Massachusetts State Association | Springfield, MA | |
| Edward King | king--003edw | 1884 | 7/4-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| H.B. King | king--005h-- | 1884 | York | Keystone Association | York, PA | ||
| H.B. King | king--005h-- | 1884 | 8/20-9/13 | York White Roses | Eastern League | York, PA | |
| Robert King | king--006rob | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Sam King | king--001sam | 1884 | 5/1-5/23 | 12 g. | Washington | American Association | Washington, DC |
| Dennis Kingsley | 1884 | no g. | Rockville | Connecticut State League | Rockville, CT | ||
| William Kinsler | kinsle001wil | 1884-88 | Manhattan Col. | College | , | ||
| John Kinzer | kinzer001joh | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Walt Kinzie | kinzie001wal | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Walt Kinzie | kinzie001wal | 1884 | 19 g. | Chicago | National League | Chicago, IL | |
| Walt Kinzie | kinzie001wal | 1884 | 7/5-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Walt Kinzie | kinzie001wal | 1884 | -9/9 | 2 g. | St. Louis Browns | American Association | St. Louis, MO |
| John Kirby | kirby-002joh | 1884 | 8/1- | 2 g. | Kansas City | Union Association | Kansas City, MO |
| Almon Kirtland | kirtla001alm | 1884 | Utica | Independent | Utica, NY | ||
| G.C. Klages | klages001g-- | 1884 | Denver | Independent | Denver, CO | ||
| Kleim | kleim-001--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| John Klein | klein-001joh | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Walter Klink | 1884 | Pottsville Alert | Independent | Pottsville, PA | |||
| Billy Klusman | klusma001bil | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Billy Klusman | klusma001bil | 1884 | Georgetown | Independent | Georgetown, KY | ||
| Knauff | knauff001--- | 1884 | 5/10-5/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Joe Knight | knight002jos | 1884 | 5/16- | 6 g. | Philadelphia | National League | Philadelphia, PA |
| Joe Knight | knight002jos | 1884 | 7/15-7/31 | Muskegon | Northwestern League | Muskegon, MI | |
| Lon Knight | knight001lon | 1884 | 108 g. | Philadelphia | American Association | Philadelphia, PA | |
| Jake Knodell | knowde001jak | 1884 | 5/2-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Jake Knodell | knowde001jak | 1884 | 7/10-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Ed Knouff | knouff001ed- | 1884 | 6/25-7/30 | Newark Domestics | Eastern League | Newark, NJ | |
| Ed Knouff | knouff001ed- | 1884 | Wharton | Independent | Wharton, | ||
| Ed Knouff | knouff001ed- | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Jimmy Knowles | knowle001jim | 1884 | 5/2- | 46 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Jimmy Knowles | knowle001jim | 1884 | 41 g. | Brooklyn | American Association | Brooklyn, NY | |
| George Knowlton | knowlt001geo | 1884 | 6/28-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Clifford Koecker | 1884 | no g. | Harrisburg Olympics | Eastern League | Harrisburg, PA | ||
| William Kolley | kelley006w-- | 1884 | Little Rock Browns | Independent | Little Rock, AR | ||
| Harry Koons | koons-001har | 1884 | 4/17-5/31 | 21 g. | Altoona | Union Association | Altoona, PA |
| Harry Koons | koons-001har | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Harry Koons | koons-001har | 1884 | 7/5 | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Frank Kreeger | kreege001fra | 1884 | 7/28 | 1 g. | Kansas City | Union Association | Kansas City, MO |
| Charlie Krehmeyer | krehme001cha | 1884 | 3/1-6/2 | 25 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Charlie Krehmeyer | krehme001cha | 1884 | 7/8- | 21 g. | St. Louis Browns | American Association | St. Louis, MO |
| Bill Krieg | krieg-001bil | 1884 | 4/20- | 71 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Kriel | kriel-001--- | 1884 | -6/ | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| Frank Kruegger | 1884 | St. Joseph | Independent | St. Joseph, MO | |||
| Bill Kuehne | kuehne001bil | 1884 | 110 g. | Columbus | American Association | Columbus, OH | |
| Ed. Kugler | kugler001ed- | 1884 | 8/- | Philadelphia Defiance | Independent | Philadelphia, PA | |
| Dell Kurtz | kurtz-001del | 1884 | 6/28 | Muskegon | Northwestern League | Muskegon, MI | |
| James Laffen | 1884 | Columbus Stars | Georgia State League | Columbus, GA | |||
| Frank Lalor | lalor-001fra | 1884 | 8/19-8/27 | Winona Clippers | Northwestern League | Winona, MN | |
| Steve Lambert | lamber002ste | 1884 | 5/24-8/6 | New Britain | Connecticut State League | New Britain, CT | |
| Doc Landis | landis001doc | 1884 | 5/1-5/12 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Doc Landis | landis001doc | 1884 | 5/27-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Chappy Lane | lane--003cha | 1884 | 57 g. | Toledo | American Association | Toledo, OH | |
| William Lane | lane--005wil | 1884 | 5/3-5/16 | Meriden | Connecticut State League | Meriden, CT | |
| H.H. Laney | laney-002h-- | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Charlie Lang | 1884 | Atlanta | Georgia State League | Atlanta, GA | |||
| Franklin Lang | lang--002fra | 1884 | 5/1-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Arthur Larcom | larcom001art | 1884 | 7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Charles Larcom | larcom001cha | 1884 | 7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Henry Larkin | larkin001hen | 1884 | 5/1- | 85 g. | Philadelphia | American Association | Philadelphia, PA |
| Terry Larkin | larkin001ter | 1884 | 6/14-7/24 | Richmond Virginias | Eastern League | Richmond, VA | |
| Terry Larkin | larkin001ter | 1884 | -10/13 | 40 g. | Richmond | American Association | Richmond, VA |
| Patrick Larkins | larkin003--- | 1884 | Rock Island | Independent | Rock Island, IL | ||
| Patrick Larkins | larkin003--- | 1884 | 5/29-7/16 | 17 g. | Washington | Union Association | Washington, DC |
| Patrick Larkins | larkin003--- | 1884 | +8/20+ | Canandaigua | Independent | Canandaigua, NY | |
| Sam LaRocque | larocq001sam | 1884 | 5/30-8/27 | Rockville | Connecticut State League | Rockville, CT | |
| Arlie Latham | latham002wal | 1884 | 110 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Jumbo Latham | latham001jum | 1884 | -10/11 | 77 g. | Louisville | American Association | Louisville, KY |
| Paul Latouche | latouc001pau | 1884 | Richmond Virginias | Eastern League | Richmond, VA | ||
| Paul Latouche | latouc001pau | 1884 | Norfolk | Independent | Norfolk, VA | ||
| Chuck Lauer | lauer-001chu | 1884 | 7/17- | 13 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Chuck Lauer | lauer-001chu | 1884 | 8/- | Pittsburgh Athletics | Independent | Pittsburgh, PA | |
| Ben Laughlin | laughl001ben | 1884 | 5/23-5/31 | Newark Domestics | Eastern League | Newark, NJ | |
| William Laverty | lavert001wil | 1884 | Holy Cross | College | , | ||
| William Laverty | lavert001wil | 1884 | 5/17-7/5 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| William Laverty | lavert001wil | 1884 | 8/6-9/6 | New Britain | Connecticut State League | New Britain, CT | |
| Johnny Lavin | lavin-001joh | 1884 | 5/1-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Johnny Lavin | lavin-001joh | 1884 | 9/10-10/15 | 16 g. | St. Louis Browns | American Association | St. Louis, MO |
| John Lawler | 1884 | 5/1-8/2 | MLB Umpire | American Association | , | ||
| Mike Lawlor | lawlor001mik | 1884 | - 7/23 | 2 g. | Washington | Union Association | Washington, DC |
| Lawton | lawton003--- | 1884 | 7/5-8/14 | Newark Domestics | Eastern League | Newark, NJ | |
| Horatio Lawton | lawton001hor | 1884 | no g. | Bay City | Northwestern League | Bay City, MI | |
| Horatio Lawton | lawton001hor | 1884 | 8 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Lazelle | lazell001--- | 1884 | 6/7-7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Bob Leadley | leadle001rob | 1884 | Detroit Cass | Independent | Detroit, MI | ||
| Leahey | leahy-008--- | 1884 | 5/3-6/6 | Worcester | Massachusetts State Association | Worcester, MA | |
| Leary | leary-006--- | 1884 | 8/23-8/27 | Hartford | Connecticut State League | Hartford, CT | |
| Jack Leary | leary-001jac | 1884 | 8 g. | Altoona | Union Association | Altoona, PA | |
| Jack Leary | leary-001jac | 1884 | 5/13-6/7 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Jack Leary | leary-001jac | 1884 | -7/5 | 10 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| William Lecher | lecher001wil | 1884 | Chillicothe Logans | Ohio State League | Chillicothe, OH | ||
| William Lecher | lecher001wil | 1884 | Georgetown | Independent | Georgetown, KY | ||
| Lecrow | lecrow001--- | 1884 | 7/10 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Tom Lee | lee---001tom | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Tom Lee | lee---001tom | 1884 | 6/14- | 6 g. | Chicago | National League | Chicago, IL |
| Tom Lee | lee---001tom | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Tom Lee | lee---001tom | 1884 | -9/16 | 21 g. | Baltimore | Union Association | Baltimore, MD |
| Tom Lee | lee---001tom | 1884 | 9/30-10/5 | MLB Umpire | Union Association | , | |
| Llewellyn Legg | legg--001lle | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| James Lehan | lehan-001jam | 1884 | 4/26-4/29 | 3 g. | Washington | Union Association | Washington, DC |
| James Lehan | lehan-001jam | 1884 | 5/24 | HillyerGuards | CtMilitary | , | |
| James Lehan | lehan-001jam | 1884 | 5/31-7/26 | New Britain | Connecticut State League | New Britain, CT | |
| W.B. Leighton | leight001w-- | 1884 | Atlanta | Georgia State League | Atlanta, GA | ||
| Doc Leitner | leitne001doc | 1884-87 | St. John's(Fordham) | College | , | ||
| James Lenhart | lenhar001s-- | 1884 | 5/5-5/28+ | Oil City | Iron & Oil Association | Oil City, PA | |
| James Lenhart | lenhar001s-- | 1884 | +6/16-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| C.E. Leslie | leslie002c-- | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Charlie Levis | levis-001cha | 1884 | 4/17- | 60 g. | Baltimore | Union Association | Baltimore, MD |
| Charlie Levis | levis-001cha | 1884 | 1 g. | Washington | Union Association | Washington, DC | |
| Charlie Levis | levis-001cha | 1884 | 3 g. | Indianapolis | American Association | Indianapolis, IN | |
| Rube Levy | levy--001reu | 1884 | 8 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Fred Lewis | lewis-003fre | 1884 | 73 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Fred Lewis | lewis-003fre | 1884 | 8 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Silver Lewis | lewis-001sil | 1884 | 9 g. | San Francisco Star | California League | San Francisco, CA | |
| Fred Lexterman | loxter001--- | 1884 | 5/7-7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Jim Lillie | lillie001jim | 1884 | 114 g. | Buffalo | National League | Buffalo, NY | |
| J. Lilly | 1884 | 7/24 | MLB Umpire | American Association | , | ||
| Frank Linnehan | linneh001fra | 1884 | 5/1-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Hugh Linnehan | linneh001hug | 1884 | 5/1-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Hugh Linnehan | linneh001hug | 1884 | 8/23-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Mat Linnen | linnen001mat | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Harry Little | little001har | 1884 | 9/3 | MLB Umpire | American Association | , | |
| James Little | little007jam | 1884 | Toronto | Independent | Toronto, ON | ||
| Abe Litz | litz--002abr | 1884 | no g. | Terre Haute | Northwestern League | Terre Haute, IN | |
| Harry Livenspise | livens001har | 1884 | +5/26-6/13+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Livestzer | livest001--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Marshall Locke | locke-001mar | 1884 | 7/5-7/20 | 7 g. | Indianapolis | American Association | Indianapolis, IN |
| W. Lockshire | locksh001w-- | 1884 | 5/21-5/24 | Rockville | Connecticut State League | Rockville, CT | |
| Ed Lockwood | 1884 | Saginaw Greys | Northwestern League | Saginaw, MI | |||
| Ed Lockwood | 1884 | Bridgeport | Independent | Bridgeport, CT | |||
| Horace Lockwood | lockwo002hor | 1884 | 6/3-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Milo Lockwood | lockwo001mil | 1884 | 4/17-5/26 | 20 g. | Washington | Union Association | Washington, DC |
| Milo Lockwood | lockwo001mil | 1884 | Oil City | Iron & Oil Association | Oil City, PA | ||
| W. Lockwood | 1884 | , | |||||
| Tom Loftus | loftus002tom | 1884 | 5/1-7/5 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Tom Loftus | loftus002tom | 1884 | 9/27- | 12 g. | Milwaukee | Union Association | Milwaukee, WI |
| Billy Long | long--001bil | 1884 | John L. Whitings | Independent | , | ||
| Harry Long | long--005har | 1884 | 5/2-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Thomas Long | long--002--- | 1884 | Peoria Reds | Northwestern League | Peoria, IL | ||
| Thomas Long | long--002--- | 1884 | 5/2-7/5 | Peoria Reds | Northwestern League | Peoria, IL | |
| Charles Lord | lord--002cha | 1884 | Union Pacific | Independent | Omaha, NE | ||
| Charles Lord | lord--002cha | 1884 | Evansville | Independent | Evansville, IN | ||
| Charles Lord | lord--002cha | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| John Lord | 1884 | Union Pacific | Independent | Omaha, NE | |||
| Ben? Lotz | 1884 | Akron | Independent | Akron, OH | |||
| Benjamin Lotz | lotz--001ben | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| Benjamin Lotz | lotz--001ben | 1884 | 7/10-8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Bill Loughran | loughl002--- | 1884 | Columbia Col. | College | , | ||
| Bill Loughran | loughl002--- | 1884 | 6/6-8/28 | 9 g. | New York | National League | New York, NY |
| Tom Lovett | lovett001tom | 1884 | 5/3-9/24 | Waterbury | Connecticut State League | Waterbury, CT | |
| Dick Lowe | lowe--001dic | 1884 | 6/26 | 1 g. | Detroit | National League | Detroit, MI |
| Lowery | lowery002--- | 1884 | 6/13-6/28 | Springfield | Massachusetts State Association | Springfield, MA | |
| William Lucas | lucas-005wil | 1884 | Chippewa Falls | s-pro | Chippewa Falls, WI | ||
| Ludden | ludden001--- | 1884 | 5/17-7/23 | New Britain | Connecticut State League | New Britain, CT | |
| Ludden | ludden001--- | 1884 | 8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Joseph Lufberry | lufber001jos | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Joseph Lufberry | lufber001jos | 1884 | 5/22-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Joseph Lufberry | lufber001jos | 1884 | 7/7-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Harry Luff | luff--001hen | 1884 | 26 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Harry Luff | luff--001hen | 1884 | 5 g. | Kansas City | Union Association | Kansas City, MO | |
| Ham Lutton | lutton001ham | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| Ham Lutton | lutton001ham | 1884 | +9/+ | Chester | Independent | Chester, PA | |
| Lyman | lyman-001--- | 1884 | 4 g. | San Francisco | California League | San Francisco, CA | |
| Lynch | lynch-001--- | 1884 | 5/21-7/2 | New Britain | Connecticut State League | New Britain, CT | |
| Jack Lynch | lynch-001jac | 1884 | 55 g. | New York | American Association | New York, NY | |
| John Lynch | lynch-008joh | 1884 | 5/3-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| John Lynch | lynch-008joh | 1884 | 8/5-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| John Lynch | lynch-008joh | 1884 | 8/5-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Michael Lynch | lynch-010mic | 1884 | Minneapolis Millers | Northwestern League | Minneapolis, MN | ||
| Thomas Lynch | lynch-003tho | 1884 | Washington Kendall Greens | Independent | Washington, DC | ||
| Thomas Lynch | lynch-003tho | 1884 | 8/5 | 1 g. | Chicago | National League | Chicago, IL |
| Tom Lynch | lynch-002tom | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Tom Lynch | lynch-002tom | 1884 | 8/18- | 16 g. | Wilmington | Union Association | Wilmington, DE |
| Tom Lynch | lynch-002tom | 1884 | 13 g. | Philadelphia | National League | Philadelphia, PA | |
| George Lynn | lyon--002geo | 1884 | 6/18-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| Denny Lyons | lyons-002den | 1884 | Covington Kentons | Independent | Covington, KY | ||
| Denny Lyons | lyons-002den | 1884 | Georgetown | Independent | Georgetown, KY | ||
| William Lyston | lyston001wil | 1884 | , | ||||
| Mac MacArthur | macart001mac | 1884 | 5/2-6/9 | 6 g. | Indianapolis | American Association | Indianapolis, IN |
| Mac MacArthur | macart001mac | 1884 | 6/28-7/4 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Connie Mack | mack--001con | 1884 | 5/3-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| Denny Mack | mack--001den | 1884 | 5/17-7/24 | Allentown Dukes | Eastern League | Allentown, PA | |
| Denny Mack | mack--001den | 1884 | Umpire | East | , | ||
| Reddy Mack | mack--001red | 1884 | Cincinnati Reserves | Independent | Cincinnati, OH | ||
| Reddy Mack | mack--001red | 1884 | 6/-8/ | Springfield | Ohio State League | Springfield, OH | |
| Reddy Mack | mack--001red | 1884 | 8/-9/30 | Dayton Gem Citys | Ohio State League | Dayton, OH | |
| William Mackey | mackey004wil | 1884 | 5/21-7/18 | Rockville | Connecticut State League | Rockville, CT | |
| William Mackey | mackey004wil | 1884 | 7/23-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Frederick Macklin | mackli001fre | 1884 | Toronto | WOntario | Toronto, ON | ||
| Jimmy Macullar | macull001jim | 1884 | 107 g. | Baltimore | American Association | Baltimore, MD | |
| Frank Madden | madden003fra | 1884 | 5/1-8/5 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Madison | madiso001--- | 1884 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| John Magner | magner001joh | 1884 | 7/14 | Umpire | Independent | , | |
| William Magner | magner001wil | 1884 | 5/14-9/10 | Waterbury | Connecticut State League | Waterbury, CT | |
| Tom Maguire | maguir001tho | 1884 | 7 g. | San Francisco Star | California League | San Francisco, CA | |
| George Mahr | mahr--001geo | 1884 | 5/3-7/19 | Waltham | Massachusetts State Association | Waltham, MA | |
| George Mahr | mahr--001geo | 1884 | 7/31-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Maidhoff | maidho001--- | 1884 | 6/11 | Willimantic | Connecticut State League | Willimantic, CT | |
| Maidhoff | maidho001--- | 1884 | 6/20 | Newark Domestics | Eastern League | Newark, NJ | |
| Maley/Maloy | maloy-001--- | 1884 | 5/17-5/24 | New Britain | Connecticut State League | New Britain, CT | |
| Malone | malone010--- | 1884 | 7/18-7/23 | Springfield | Massachusetts State Association | Springfield, MA | |
| Fergy Malone | malone001fer | 1884 | 4/17 | 1 g. | Philadelphia | Union Association | Philadelphia, PA |
| Charlie Manlove | manlov001cha | 1884 | 5/31- | 2 g. | Altoona | Union Association | Altoona, PA |
| Charlie Manlove | manlov001cha | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Charlie Manlove | manlov001cha | 1884 | -6/17 | 3 g. | New York | National League | New York, NY |
| Fred Mann | mann--001fre | 1884 | 99 g. | Columbus | American Association | Columbus, OH | |
| Jack Manning | mannin001jac | 1884 | 104 g. | Philadelphia | National League | Philadelphia, PA | |
| Jim Manning | mannin001jim | 1884 | 5/1-5/2 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Jim Manning | mannin001jim | 1884 | 5/15- | 89 g. | Boston | National League | Boston, MA |
| Tim Manning | mannin001tim | 1884 | 91 g. | Baltimore | American Association | Baltimore, MD | |
| John Mansell | mansel001joh | 1884 | 5/1-6/27 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Mike Mansell | mansel001mik | 1884 | -10/15 | 27 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Mike Mansell | mansel001mik | 1884 | 20 g. | Philadelphia | American Association | Philadelphia, PA | |
| Mike Mansell | mansel001mik | 1884 | 29 g. | Richmond | American Association | Richmond, VA | |
| Tom Mansell | mansel001tom | 1884 | 65 g. | Cincinnati | American Association | Cincinnati, OH | |
| Tom Mansell | mansel001tom | 1884 | 23 g. | Columbus | American Association | Columbus, OH | |
| Blake Mapledoram | 1884 | 4/17- | 40 g. | MLB Umpire | Union Association | , | |
| George Mappes | mappes001geo | 1884 | 5/1-8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| George Mappes | mappes001geo | 1884 | Dallas | Tx | Dallas, TX | ||
| P.J. Markley | markle001p-- | 1884 | 6/1- | New Britain | Connecticut State League | New Britain, CT | |
| Lefty Marr | marr--001lef | 1884 | Cincinnati Reserves | Independent | Cincinnati, OH | ||
| Lefty Marr | marr--001lef | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Lefty Marr | marr--001lef | 1884 | Evansville | Independent | Evansville, IN | ||
| Charles? Marston | 1884 | +8/18+ | Waterbury | Connecticut State League | Waterbury, CT | ||
| Jim Martin | martin002jim | 1884 | +6/9+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Lew Marton | marton001--- | 1884 | Denver | Independent | Denver, CO | ||
| Frank Maskrey | maskre000fra | 1884 | Akron | Independent | Akron, OH | ||
| Leech Maskrey | maskre001lee | 1884 | 105 g. | Louisville | American Association | Louisville, KY | |
| Charlie Mason | mason-004cha | 1884 | Philadelphia | American Association | Philadelphia, PA | ||
| Joseph Masran | masran001jos | 1884 | Georgetown | Independent | Georgetown, KY | ||
| Massamore | 1884 | 8/- | Allentown Dukes | Eastern League | Allentown, PA | ||
| Bobby Mathews | mathew001bob | 1884 | 49 g. | Philadelphia | American Association | Philadelphia, PA | |
| C.V. Matteson | mattes001cv- | 1884 | 6/13 | 1 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| Steve Matthias | matthi001ste | 1884 | 4/20-6/27 | 37 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Steve Matthias | matthi001ste | 1884 | 7/22 | Bay City | Northwestern League | Bay City, MI | |
| Fred Mauer | brooks001hen | 1884 | Honesdale | Independent | Honesdale, PA | ||
| Al Maul | maul--001alb | 1884 | 6/20 | 1 g. | Philadelphia | Union Association | Philadelphia, PA |
| Joseph May | may---002jos | 1884 | 5/1-5/15 | Stillwater | Northwestern League | Stillwater, MN | |
| Al Mays | mays--001al- | 1884 | 5/5-8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Jimmy McAleer | mcalee001jam | 1884 | 5/5-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| McAlum | mcalum001--- | 1884 | +6/23+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Duncan McAndless | mcandl001dun | 1884 | 5/2-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Jeremiah McAuliffe | mcauli003--- | 1884 | Hamiton Baysides | WOntario | Hamiton, ON | ||
| John McCabe | mccabe001joh | 1884 | 6/3+ | 5 g. | Trenton Trentonians | Eastern League | Trenton, NJ |
| Harry McCaffery | mccaff001har | 1884 | -9/28 | 7 g. | MLB Umpire | Union Association | , |
| McCaffree | mccaff005--- | 1884 | 5/31-6/4 | Rockville | Connecticut State League | Rockville, CT | |
| McCane | 1884 | New York Delawares | Independent | New York, NY | |||
| McCane | 1884 | Augusta Clinchs | Georgia State League | Augusta, GA | |||
| McCarthy | mccart003--- | 1884 | Meriden Athletic | Independent | Meriden, CT | ||
| McCarthy | mccart003--- | 1884 | 6/2 | Meriden | Connecticut State League | Meriden, CT | |
| McCarthy | mccart036--- | 1884 | 6/14-6/21 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| P.A. McCarthy | mccart002p-- | 1884 | 8/-9/30 | Ironton | Ohio State League | Ironton, OH | |
| Tommy McCarthy | mccart001tom | 1884 | Emerson Piano | Independent | , | ||
| Tommy McCarthy | mccart001tom | 1884 | 7/10- | 53 g. | Boston | Union Association | Boston, MA |
| Al McCauley | mccaul001al- | 1884 | 6/21- | 17 g. | Indianapolis | American Association | Indianapolis, IN |
| Al McCauley | mccaul001al- | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Jim McCauley | mccaul001jim | 1884 | 6/21-8/24 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Jim McCauley | mccaul001jim | 1884 | 9/17- | 1 g. | St. Louis Browns | American Association | St. Louis, MO |
| Bill McClellan | mcclel001bil | 1884 | 111 g. | Philadelphia | National League | Philadelphia, PA | |
| Bill McCloskey | mcclos001bil | 1884 | 5/1-8/11 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Bill McCloskey | mcclos001bil | 1884 | 8/18-9/9 | 9 g. | Wilmington | Union Association | Wilmington, DE |
| John McCloskey | mcclos001joh | 1884 | El Paso | Independent | El Paso, TX | ||
| Tom McCord | mccord001tom | 1884 | 8 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Harry McCormick | mccorm006har | 1884 | 5/3-5/13 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Harry McCormick | mccorm006har | 1884 | 6/7-6/10 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Jerry McCormick | mccorm001jer | 1884 | -10/19 | 67 g. | Philadelphia | Union Association | Philadelphia, PA |
| Jerry McCormick | mccorm001jer | 1884 | 42 g. | Washington | Union Association | Washington, DC | |
| Jim McCormick | mccorm001jim | 1884 | 49 g. | Cleveland | National League | Cleveland, OH | |
| Jim McCormick | mccorm001jim | 1884 | 27 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Art McCoy | mccoy-001art | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| Art McCoy | mccoy-001art | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | ||
| James McCue | mccue-001jam | 1884 | 5/30-7/10 | Stillwater | Northwestern League | Stillwater, MN | |
| James McCue | mccue-001jam | 1884 | 7/28-7/30 | Terre Haute | Northwestern League | Terre Haute, IN | |
| J.B. McCullough | mccull002j-- | 1884 | 5/5-5/10+ | Franklin | Iron & Oil Association | Franklin, PA | |
| Tommy McCullum | mccull001tho | 1884 | 5/5-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| McDermott | 1884 | Chicago Reserves | Independent | Chicago, IL | |||
| McDermott | 1884 | Dayton Gem Citys | Independent | Dayton, OH | |||
| John McDermott | 1884 | Chicago Reserves | Independent | Chicago, IL | |||
| Jim McDonald | mcdona003jim | 1884 | 6/20- | 2 g. | Washington | Union Association | Washington, DC |
| Jim McDonald | mcdona003jim | 1884 | 38 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Patsy McDonald | mcdona002pat | 1884 | 5/1-6/14 | Allentown Dukes | Eastern League | Allentown, PA | |
| Patsy McDonald | mcdona002pat | 1884 | 6/19-9/17 | Newark Domestics | Eastern League | Newark, NJ | |
| John McDonough | mcdono004joh | 1884 | 5/2-6/23 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| John McDonough | mcdono003joh | 1884 | 5/17-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Jim McElroy | mcelro001jim | 1884 | St. Mary's Univ. | College | , | ||
| Jim McElroy | mcelro001jim | 1884 | 5/2-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Jim McElroy | mcelro001jim | 1884 | 5/26-8/21 | 14 g. | Philadelphia | National League | Philadelphia, PA |
| Jim McElroy | mcelro001jim | 1884 | 1 g. | Wilmington | Union Association | Wilmington, DE | |
| D.C. McElwain | mcelwa002--- | 1884 | 7/14-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Chris McFarland | mcfarl001chr | 1884 | 4/19-4/29 | 3 g. | Baltimore | Union Association | Baltimore, MD |
| Phil McFarland | 1884 | New York Alaskas | Independent | New York, NY | |||
| Chippy McGarr | mcgarr001chi | 1884 | 6/11-7/5 | Worcester | Massachusetts State Association | Worcester, MA | |
| Chippy McGarr | mcgarr001chi | 1884 | 7/11- | 19 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| David McGarvey | mcgarv001dav | 1884 | 5/1-5/7 | Worcester | Massachusetts State Association | Worcester, MA | |
| Jack McGeachey | mcgeac001jac | 1884 | 5/1-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Patrick McGee | 1884 | 7/12 | MLB Umpire | American Association | , | ||
| William McGill | mcgill006wil | 1884 | 5/2-6/7 | Springfield | Massachusetts State Association | Springfield, MA | |
| William McGill | mcgill006wil | 1884 | 6/18-6/27 | Hartford | Connecticut State League | Hartford, CT | |
| William McGill | mcgill006wil | 1884 | +9/16? | Jersey City | Independent | Jersey City, NJ | |
| Dennis McGinley | mcginl001den | 1884 | 5/1-5/12 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Jumbo McGinnis | mcginn001jum | 1884 | 40 g. | St. Louis Browns | American Association | St. Louis, MO | |
| James McGirr | mcgirr001jam | 1884 | 5/3 | Springfield | Massachusetts State Association | Springfield, MA | |
| James McGirr | mcgirr001jam | 1884 | 5/21-5/24 | Hartford | Connecticut State League | Hartford, CT | |
| James McGovern | 1884 | Savannah Dixies | Georgia State League | Savannah, GA | |||
| James McGovern | 1884 | no g. | Altoona | Union Association | Altoona, PA | ||
| McGrath | mcgrat008--- | 1884 | 5/13-5/24 | New Britain | Connecticut State League | New Britain, CT | |
| John McGuinness | mcguin001joh | 1884 | 53 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Deacon McGuire | mcguir006jam | 1884 | 6/21- | 45 g. | Toledo | American Association | Toledo, OH |
| Bill McGunnigle | mcgunn001bil | 1884 | 5/7-7/10 | Bay City | Northwestern League | Bay City, MI | |
| Bill McGunnigle | mcgunn001bil | 1884 | 7/15-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| Bill McGunnigle | mcgunn001bil | 1884 | 8/21-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Bill McGunnigle | mcgunn001bil | 1884 | 9/28 | MLB Umpire | Union Association | , | |
| McGurk | mcgurk001--- | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Frank McIntyre | mcinty001fra | 1884 | 5/5-5/13 | Peoria Reds | Northwestern League | Peoria, IL | |
| Frank McIntyre | mcinty001fra | 1884 | 6/5-7/8 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Ed McKean | mckean001edw | 1884 | 5/5-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Frank McKee | mckee-001fra | 1884 | 6/11-7/3 | 4 g. | Washington | Union Association | Washington, DC |
| James McKee | mckee-002jam | 1884 | 6/16-6/? | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| John McKee | mckee-005joh | 1884 | York | Keystone Association | York, PA | ||
| John McKee | mckee-005joh | 1884 | Williamsport | Independent | Williamsport, PA | ||
| Thomas McKee | mckee-001tho | 1884 | York | Keystone Association | York, PA | ||
| Thomas McKee | mckee-001tho | 1884 | 7/18-8/20 | York White Roses | Eastern League | York, PA | |
| Thomas McKee | mckee-001tho | 1884 | +9/15-10/8+ | Williamsport | Independent | Williamsport, PA | |
| Jim McKeever | mckeev001jim | 1884 | 4/17-7/11 | 16 g. | Boston | Union Association | Boston, MA |
| Ed McKenna | mckenn001ed- | 1884 | 4/17-7/5 | 32 g. | Washington | Union Association | Washington, DC |
| Ed McKenna | mckenn001ed- | 1884 | 5/1-6/21 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Larry McKeon | mckeon001lar | 1884 | 5/1- | 70 g. | Indianapolis | American Association | Indianapolis, IN |
| Edward McKeown | mckeow001edw | 1884 | Youngstown | Iron & Oil Association | Youngstown, OH | ||
| Daniel McKercher | 1884 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |||
| James McKinley | mckinl001jam | 1884 | 10/4 | Toronto | Independent | Toronto, ON | |
| Alex McKinnon | mckinn001ale | 1884 | 5/1- | 116 g. | New York | National League | New York, NY |
| Denny McKnight | mcknig001den | 1884 | 5/1-5/15 | g. | Pittsburgh | American Association | Pittsburgh, PA |
| Barney McLaughlin | mclaug001bar | 1884 | 5/1-7/18 | Reading Actives | Eastern League | Reading, PA | |
| Barney McLaughlin | mclaug001bar | 1884 | 8/2- | 42 g. | Kansas City | Union Association | Kansas City, MO |
| Frank McLaughlin | mclaug001fra | 1884 | 5/21-5/29 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Frank McLaughlin | mclaug001fra | 1884 | -8/19 | 16 g. | Cincinnati | Union Association | Cincinnati, OH |
| Frank McLaughlin | mclaug001fra | 1884 | 15 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Frank McLaughlin | mclaug001fra | 1884 | 32 g. | Kansas City | Union Association | Kansas City, MO | |
| Jim McLaughlin | mclaug001jim | 1884 | 5/30-7/15 | 5 g. | Baltimore | American Association | Baltimore, MD |
| Jim McLaughlin | mclaug001jim | 1884 | 9/10- | 4 g. | Portsmouth Riversides | Ohio State League | Portsmouth, OH |
| Joe Mclaughlin | mclaug003joe | 1884 | 6 g. | San Francisco Star | California League | San Francisco, CA | |
| Tom McLaughlin | mclaug001tom | 1884 | 98 g. | Louisville | American Association | Louisville, KY | |
| William McLaughlin | mclaug002wil | 1884 | 5/3-5/18 | 10 g. | Washington | Union Association | Washington, DC |
| William McLaughlin | mclaug002wil | 1884 | 6/23 | MLB Umpire | Union Association | , | |
| McLeod | mcleod002--- | 1884 | 8/17 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Dennis McMinimum | 1884 | 9/29-10/9 | MLB Umpire | Union Association | , | ||
| McMullen | mcmull002--- | 1884 | 8/23-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Bid McPhee | mcphee001bid | 1884 | 112 g. | Cincinnati | American Association | Cincinnati, OH | |
| Jack McQuaid | mcquai001jac | 1884 | Umpire | West | , | ||
| Jack McQuaid | mcquai001jac | 1884 | 7/10-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Tom McQuaid | mcquai001tom | 1884 | Holy Cross | College | , | ||
| Tom McQuaid | mcquai001tom | 1884 | 6/21 | Worcester | Massachusetts State Association | Worcester, MA | |
| Tom McQuaid | mcquai001tom | 1884 | 7/9-8/18 | Hartford | Connecticut State League | Hartford, CT | |
| Mox McQuery | mcquer001mox | 1884 | 5/1-8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Mox McQuery | mcquer001mox | 1884 | 8/20- | 35 g. | Cincinnati | Union Association | Cincinnati, OH |
| McRemer | mcreme001--- | 1884 | 6/20 | 1 g. | Washington | Union Association | Washington, DC |
| Trick McSorley | mcsorl001tri | 1884 | 5/2-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Trick McSorley | mcsorl001tri | 1884 | 21 g. | Toledo | American Association | Toledo, OH | |
| McSweeny | mcswee001--- | 1884 | 5/23-5/24 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Jim McTamany | mctama001jim | 1884 | 5/22-9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Cal McVey | mcvey-001cal | 1884 | Hanford Irrigation | Co | Hanford, CA | ||
| George McVey | mcvey-001geo | 1884 | Chillicothe Logans | Ohio State League | Chillicothe, OH | ||
| George McVey | mcvey-001geo | 1884 | Rushville | Independent | Rushville, IN | ||
| Richard Meaney | meaney001ric | 1884 | 5/2-8/7 | Allentown Dukes | Eastern League | Allentown, PA | |
| Pete Meegan | meegan001pet | 1884 | 5/1-8/2 | Reading Actives | Eastern League | Reading, PA | |
| Pete Meegan | meegan001pet | 1884 | 8/12- | 23 g. | Richmond | American Association | Richmond, VA |
| John Meehan | meehan001joh | 1884 | 5/29-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| Frank Meinke | meinke001fra | 1884 | 5/1- | 92 g. | Detroit | National League | Detroit, MI |
| Chris Meisel | meisel001chr | 1884 | Hartford | Connecticut State League | Hartford, CT | ||
| George Meister | meiste001geo | 1884 | 5/2-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| George Meister | meiste001geo | 1884 | 8/15-10/15 | 34 g. | Toledo | American Association | Toledo, OH |
| John Meister | meiste002joh | 1884 | Philadelphia Reserve | Independent | Philadelphia, PA | ||
| John Meister | meiste002joh | 1884 | 6/21-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| William Mellon | mellon001wil | 1884 | 5/3-8/23 | Waterbury | Connecticut State League | Waterbury, CT | |
| C.H. Merrick | merric001c-- | 1884 | 5/21-9/24 | Rockville | Connecticut State League | Rockville, CT | |
| E. M.? Merrill | 1884 | 5/3-5/24 | Waltham | Massachusetts State Association | Waltham, MA | ||
| Ed Merrill | merril001ed- | 1884 | -7/31 | 55 g. | Indianapolis | American Association | Indianapolis, IN |
| Fred Merritt | merrit001fre | 1884 | New York Delawares | Independent | New York, NY | ||
| Fred Merritt | merrit001fre | 1884 | Augusta Browns | Georgia State League | Augusta, GA | ||
| Jack Messitt | messit001jac | 1884 | 44 g. | Utica | NYSt | Utica, NY | |
| Harry Metcalf | metcal001har | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Levi Meyerle | meyerl001lev | 1884 | -4/26 | 3 g. | Philadelphia | Union Association | Philadelphia, PA |
| Lou Meyers | meyers001lou | 1884 | 4/17-5/10 | 2 g. | Cincinnati | Union Association | Cincinnati, OH |
| Middleton | middle004--- | 1884 | 8/- | Rockville | Connecticut State League | Rockville, CT | |
| Jake Milbee | milbee001jos | 1884 | 5/26-6/7 | Chester | Keystone Association | Chester, PA | |
| Billy Miles | miles-002bil | 1884 | North Platte | Independent | North Platte, | ||
| Miller | miller045--- | 1884 | Hamiton Primrose | WOntario | Hamiton, ON | ||
| Miller | 1884 | Columbus Stars | Georgia State League | Columbus, GA | |||
| Al Miller | miller007a-- | 1884 | 5/8-5/9 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Charles Miller | 1884 | 8/29-8/30 | MLB Umpire | American Association | , | ||
| Cyclone Miller | miller001cyc | 1884 | 5/3-6/26 | Worcester | Massachusetts State Association | Worcester, MA | |
| Cyclone Miller | miller001cyc | 1884 | 7/11- | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Cyclone Miller | miller001cyc | 1884 | 6 g. | Providence | National League | Providence, RI | |
| Cyclone Miller | miller001cyc | 1884 | 10/9 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| Ed Miller | 1884 | Tecumseh | Independent | Tecumseh, MI | |||
| Ed Miller | 1884 | Toledo | American Association | Toledo, OH | |||
| Ed Miller | miller003ed- | 1884 | 7/18-8/2 | 8 g. | Toledo | American Association | Toledo, OH |
| Frederick Miller | miller006fre | 1884 | 5/5-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| George Miller | miller008geo | 1884 | -7/22 | 6 g. | Cincinnati | American Association | Cincinnati, OH |
| George Miller | miller005geo | 1884 | 5/1- | 89 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Henry Miller | miller007hen | 1884 | 5/8-6/16 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Henry Miller | miller007hen | 1884 | 7/2-9/4 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Joe Miller | miller005joe | 1884 | 5/1- | 105 g. | Toledo | American Association | Toledo, OH |
| Joe Miller | miller004joe | 1884 | 5/15-7/5 | Stillwater | Northwestern League | Stillwater, MN | |
| Wally Miller | miller008wal | 1884 | 5/8-5/31 | Peoria Reds | Northwestern League | Peoria, IL | |
| Wally Miller | miller008wal | 1884 | 6/18 | Muskegon | Northwestern League | Muskegon, MI | |
| Wally Miller | miller008wal | 1884 | 6/23-8/2 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Wick Miller | miller022cha | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Milligan | millig008--- | 1884 | +7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| John Milligan | millig001joc | 1884 | 5/1- | 66 g. | Philadelphia | American Association | Philadelphia, PA |
| Pheron Minor | minor-001phe | 1884 | Waterbury | Connecticut State League | Waterbury, CT | ||
| A. Mitchell | 1884 | Philadelphia Mutual | Independent | Philadelphia, PA | |||
| Bobby Mitchell | mitche001bob | 1884 | 5/2- | Hamilton | Ohio State League | Hamilton, OH | |
| Bobby Mitchell | mitche001bob | 1884 | Chambersburg | Keystone Association | Chambersburg, PA | ||
| Charles Mitchell | mitche008cha | 1884 | 5/2?-6/7? | Chambersburg | Keystone Association | Chambersburg, PA | |
| Charles Mitchell | mitche008cha | 1884 | Milton | Independent | Milton, PA | ||
| Charles Mitchell | mitche008cha | 1884 | Williamsport | Independent | Williamsport, PA | ||
| Ferdy Mitchell | mitche001fer | 1884 | 2 g. | San Francisco | California League | San Francisco, CA | |
| Ferdy Mitchell | mitche001fer | 1884 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Joe Moffet | moffet001joe | 1884 | 5/6-8/10 | 56 g. | Toledo | American Association | Toledo, OH |
| Sam Moffet | moffet001sam | 1884 | 5/15- | 67 g. | Cleveland | National League | Cleveland, OH |
| Harvey Mohr | 1884 | no g. | Allentown Dukes | Eastern League | Allentown, PA | ||
| E.N. Monroe | monroe001e-- | 1884 | Brattleboro | Independent | Brattleboro, VT | ||
| E.N. Monroe | monroe001e-- | 1884 | 5/23-7/5 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Frank Monroe | monroe002fra | 1884 | 4/-7/ | Hamilton | Ohio State League | Hamilton, OH | |
| Frank Monroe | monroe002fra | 1884 | 7/18-7/20 | 2 g. | Indianapolis | American Association | Indianapolis, IN |
| Montgomery | 1884 | 5/27 | MLB Umpire | Union Association | , | ||
| George Moolic | moolic001geo | 1884 | 5/3-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Martin Mooney | mooney001mar | 1884 | 5 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Moore | moore-119--- | 1884 | -6/23 | Chillicothe Logans | Ohio State League | Chillicothe, OH | |
| Henry Moore | moore-004hen | 1884 | 4/17-10/19 | 111 g. | Washington | Union Association | Washington, DC |
| Jerry Moore | moore-005jer | 1884 | 4/17- | 20 g. | Altoona | Union Association | Altoona, PA |
| Jerry Moore | moore-005jer | 1884 | 6/6-8/2 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Jerry Moore | moore-005jer | 1884 | 9 g. | Cleveland | National League | Cleveland, OH | |
| Moran | moran-021--- | 1884 | 1 g. | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Eddie Moran | moran-001edd | 1884 | 8 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Bill Morgan | morgan002bil | 1884 | -7/23 | 45 g. | Washington | American Association | Washington, DC |
| Bill Morgan | morgan001bil | 1884 | 5/1-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Bill Morgan | morgan001bil | 1884 | 8/5-9/8 | 6 g. | Richmond | American Association | Richmond, VA |
| Bill Morgan | morgan001bil | 1884 | 2 g. | Baltimore | Union Association | Baltimore, MD | |
| Bill Morgan | morgan001bil | 1884 | 10/8 | MLB Umpire | American Association | , | |
| Moriarty | moriar002--- | 1884 | 6 g. | San Francisco | California League | San Francisco, CA | |
| Gene Moriarty | moriar001gen | 1884 | 5/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Gene Moriarty | moriar001gen | 1884 | 6/18- | 4 g. | Boston | National League | Boston, MA |
| Gene Moriarty | moriar001gen | 1884 | 10 g. | Indianapolis | American Association | Indianapolis, IN | |
| Gene Moriarty | moriar001gen | 1884 | 9/24-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| John Moriarty | moriar001joh | 1884 | 5/17 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| John Moriarty | moriar001joh | 1884 | 6/7-7/4 | New Britain | Connecticut State League | New Britain, CT | |
| John Moriarty | moriar001joh | 1884 | 7/23-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| John Morrill | morril003joh | 1884 | 5/1- | Boston Reserves | Massachusetts State Association | Boston, MA | |
| John Morrill | morril003joh | 1884 | 111 g. | Boston | National League | Boston, MA | |
| Morris | morris028--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Ed Morris | morris002ed- | 1884 | 5/1- | 57 g. | Columbus | American Association | Columbus, OH |
| Edward Morris | morris004e-- | 1884 | 5/10-5/20 | Newark Domestics | Eastern League | Newark, NJ | |
| Edward Morris | morris004e-- | 1884 | 6/16 | Allentown Dukes | Eastern League | Allentown, PA | |
| James Morris | morris021jam | 1884 | 5/2-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| James Morris | morris021jam | 1884 | 9/11 | 1 g. | Baltimore | Union Association | Baltimore, MD |
| Pete Morris | morris001p-- | 1884 | Milkwauke Reserves | Independent | Milkwauke, WI | ||
| Pete Morris | morris001p-- | 1884 | 5/14 | 1 g. | Washington | Union Association | Washington, DC |
| Pete Morris | morris001p-- | 1884 | -5/19 | Milkwauke Reserves | Independent | Milkwauke, WI | |
| Pete Morris | morris001p-- | 1884 | 6/17 | Stillwater | Northwestern League | Stillwater, MN | |
| Pete Morris | morris001p-- | 1884 | Milwaukee Maple Leafs | Independent | Milwaukee, WI | ||
| Morrison | morris084--- | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Morrison | 1884 | Warren | Independent | Warren, PA | |||
| Morrison | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | |||
| Jon Morrison | morris002jon | 1884 | 5/2-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Jon Morrison | morris002jon | 1884 | 8/1- | 44 g. | Indianapolis | American Association | Indianapolis, IN |
| Thomas Morrison | morris004tho | 1884 | Holyoke | Independent | Holyoke, MA | ||
| Thomas Morrison | morris004tho | 1884 | 5/13-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| Morrissey | morris090--- | 1884 | Washington Nationals | Independent | Washington, DC | ||
| Morrissey | morris090--- | 1884 | 9/4 | Hartford | Connecticut State League | Hartford, CT | |
| Tom Morrissey | morris003tom | 1884 | 5/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Tom Morrissey | morris003tom | 1884 | 5/7-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Tom Morrissey | morris003tom | 1884 | 9/27-10/12 | 12 g. | Milwaukee | Union Association | Milwaukee, WI |
| Pat Morrley | morrle001pat | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Pat Morrley | morrle001pat | 1884 | Georgetown | Independent | Georgetown, KY | ||
| Morton | 1884 | Chicago Reserves | Independent | Chicago, IL | |||
| Charlie Morton | morton002cha | 1884 | 32 g. | Toledo | American Association | Toledo, OH | |
| Sam Morton | morton001sam | 1884 | President | NW | , | ||
| Sparrow Morton | morton001spa | 1884 | Chambersburg | Keystone Association | Chambersburg, PA | ||
| Sparrow Morton | morton001spa | 1884 | 7/15-7/26 | 2 g. | Philadelphia | National League | Philadelphia, PA |
| Edward Moses | moses-001edw | 1884 | 7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Felix Moses | moses-001fel | 1884 | 8/5-10/15 | g. | Richmond | American Association | Richmond, VA |
| George Moshier | 1884 | Utica | Independent | Utica, NY | |||
| Frank Mountain | mounta002fra | 1884 | 58 g. | Columbus | American Association | Columbus, OH | |
| Bill Mountjoy | mountj001bil | 1884 | 34 g. | Cincinnati | American Association | Cincinnati, OH | |
| George Moyer | 1884 | Houston | Tx | Houston, TX | |||
| Mike Moynahan | moynah001mik | 1884 | -6/21 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Mike Moynahan | moynah001mik | 1884 | 12 g. | Cleveland | National League | Cleveland, OH | |
| Mike Moynahan | moynah001mik | 1884 | 7/8-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Mike Muldoon | muldoo001mik | 1884 | 110 g. | Cleveland | National League | Cleveland, OH | |
| D.W. Mulholland | mulhol001d-- | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| D.W. Mulholland | mulhol001d-- | 1884 | 5/6 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| E.J. Mullally | mullal001e-- | 1884 | Dallas | Tx | Dallas, TX | ||
| Tony Mullane | mullan001ton | 1884 | 95 g. | Toledo | American Association | Toledo, OH | |
| Jim Mullee | mullee001jam | 1884 | 10 g. | San Francisco Star | California League | San Francisco, CA | |
| Thomas Mullee | mullee001tho | 1884 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Ed. Mulligan | mullig001ed- | 1884 | 5/2-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Ed. Mulligan | mullig001ed- | 1884 | 8/27-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| John Mulligan | mullig001joh | 1884 | 6/14 | 1 g. | Washington | Union Association | Washington, DC |
| Henry Mullin | mullin001hen | 1884 | 6/4-9/24 | 34 g. | Washington | American Association | Washington, DC |
| Henry Mullin | mullin001hen | 1884 | 2 g. | Boston | Union Association | Boston, MA | |
| Joe Mulvey | mulvey001joe | 1884 | 100 g. | Philadelphia | National League | Philadelphia, PA | |
| John Munce | munce-001joh | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| John Munce | munce-001joh | 1884 | 5/26-8/2 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| John Munce | munce-001joh | 1884 | 8/19-9/5 | 7 g. | Wilmington | Union Association | Wilmington, DE |
| George Mundinger | mundin001geo | 1884 | 5/9-5/20 | 3 g. | Indianapolis | American Association | Indianapolis, IN |
| George Mundinger | mundin001geo | 1884 | 6/6-6/25 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| J.B. Munrose | munros001j-- | 1884 | 5/5-8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| John Munyan | munyan001joh | 1884 | 5/1-6/18 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| John Munyan | munyan001joh | 1884 | Philadelphia August Flowers | Independent | Philadelphia, PA | ||
| John Munyan | munyan001joh | 1884 | +8/22-9/15+ | Williamsport | Independent | Williamsport, PA | |
| Tim Murnane | murnan001tim | 1884 | -10/19 | 76 g. | Boston | Union Association | Boston, MA |
| Murphy | murphy002--- | 1884 | 8/16 | 1 g. | Boston | Union Association | Boston, MA |
| Murphy | 1884 | Warren | Independent | Warren, PA | |||
| Con Murphy | murphy001con | 1884 | 5/1-8/12 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Con Murphy | murphy001con | 1884 | 8/18-8/28 | Newark Domestics | Eastern League | Newark, NJ | |
| Con Murphy | murphy001con | 1884 | 9/11- | 3 g. | Philadelphia | National League | Philadelphia, PA |
| D.M. Murphy | murphy002d-- | 1884 | Boston College | College | , | ||
| D.M. Murphy | murphy002d-- | 1884 | 6/11-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Edward Murphy | murphy011edw | 1884 | 5/3-5/10 | Lynn | Massachusetts State Association | Lynn, MA | |
| Henry Murphy | murphy003hen | 1884 | 5/3-6/19 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Henry Murphy | murphy003w-- | 1884 | 9/2-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| John Murphy | murphy017joh | 1884 | 4/17-5/31 | 23 g. | Altoona | Union Association | Altoona, PA |
| John Murphy | murphy017joh | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| John Murphy | murphy017joh | 1884 | 7/2-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| John Murphy | murphy017joh | 1884 | -9/12 | 10 g. | Wilmington | Union Association | Wilmington, DE |
| John Murphy | murphy023joh | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| John Murphy | murphy024joh | 1884 | 8/?-9/2? | York White Roses | Eastern League | York, PA | |
| John Murphy | 1884 | Fitchburg | semi-pro | Fitchburg, MA | |||
| John Murphy | murphy024joh | 1884 | Philadelphia Hartville | Independent | Philadelphia, PA | ||
| John Murphy | murphy024joh | 1884 | 7/18-8/? | York White Roses | Eastern League | York, PA | |
| Thomas Murphy | murphy010tho | 1884 | 6/4 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Tony Murphy | murphy001ton | 1884 | New York Alaskas | Independent | New York, NY | ||
| Tony Murphy | murphy001ton | 1884 | 5/10-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Tony Murphy | murphy001ton | 1884 | 9/6-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| Tony Murphy | murphy001ton | 1884 | 10/6 | New Britain | Connecticut State League | New Britain, CT | |
| Tony Murphy | murphy001ton | 1884 | 10/15 | 1 g. | New York | American Association | New York, NY |
| W. Murphy | murphy003w-- | 1884 | 5/22-7/10 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| W. Murphy | murphy003w-- | 1884 | Winona Clippers | Northwestern League | Winona, MN | ||
| William Murphy | murphy019wil | 1884 | 6/9 | Waltham | Massachusetts State Association | Waltham, MA | |
| Willie Murphy | murphy013wil | 1884 | 5/1-8/2 | 42 g. | Cleveland | National League | Cleveland, OH |
| Willie Murphy | murphy013wil | 1884 | 5 g. | Washington | American Association | Washington, DC | |
| Willie Murphy | murphy013wil | 1884 | 8/6-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Murray | murray001--- | 1884 | 7/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| Billy Murray | murray007wil | 1884 | 5/3-6/28 | Salem | Massachusetts State Association | Salem, MA | |
| Miah Murray | murray001mia | 1884 | 5/17- | 8 g. | Providence | National League | Providence, RI |
| Miah Murray | murray001mia | 1884 | Biddeford | Independent | Biddeford, ME | ||
| Miah Murray | murray001mia | 1884 | Woonsocket | Independent | Woonsocket, RI | ||
| Miah Murray | murray001mia | 1884 | 8/13-8/30 | Hartford | Connecticut State League | Hartford, CT | |
| R. C. Murray | 1884 | 3/23 | 1 g. | St. Louis Reserves | Independent | St. Louis, MO | |
| Thomas Murray | murray007tho | 1884 | 5/3-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Thomas Murray | murray007tho | 1884 | Dallas | Tx | Dallas, TX | ||
| Jim Mutrie | mutrie001jam | 1884 | New York | American Association | New York, NY | ||
| Al Myers | myers-001al- | 1884 | 5/1-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| Al Myers | myers-001al- | 1884 | 9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Al Myers | myers-001al- | 1884 | 9/27- | 12 g. | Milwaukee | Union Association | Milwaukee, WI |
| George Myers | myers-002geo | 1884 | 5/2- | 78 g. | Buffalo | National League | Buffalo, NY |
| Henry Myers | myers-004hen | 1884 | 5/1-7/7 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Henry Myers | myers-004hen | 1884 | -9/12 | 6 g. | Wilmington | Union Association | Wilmington, DE |
| Billy Nash | nash--001bil | 1884 | 5/1-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Billy Nash | nash--001bil | 1884 | 8/5- | 45 g. | Richmond | American Association | Richmond, VA |
| Frank Nash | nash--001fra | 1884 | 5/3-7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Frank Nash | nash--001fra | 1884 | 7/17 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Frank Nash | nash--001fra | 1884 | 7/23-9/15 | Meriden | Connecticut State League | Meriden, CT | |
| Sandy Nava | nava--001san | 1884 | 34 g. | Providence | National League | Providence, RI | |
| Jack Neagle | neagle001jac | 1884 | 43 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Neihoff | neihof001--- | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| George Nellins | 1884 | +8/16+ | Philadelphia Riverton | Independent | Philadelphia, PA | ||
| Bill Nelson | nelson001bil | 1884 | 5/1-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| Bill Nelson | nelson001bil | 1884 | 9/3-9/10 | 3 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Candy Nelson | nelson001can | 1884 | 111 g. | New York | American Association | New York, NY | |
| F. Nettleton | nettle001f-- | 1884 | 7/9 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| George Nettleton | nettle001g-- | 1884 | 7/3-8/4 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Newman | newman008--- | 1884 | 7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Frank Nicholas | nichol002fra | 1884 | York | Keystone Association | York, PA | ||
| Al Nichols | nichol003al- | 1884 | Brooklyn Franklins | Independent | Brooklyn, NY | ||
| E. H. Nichols | 1884 | +7/15+ | Boston Beacons | Amat | Boston, MA | ||
| Tricky Nichols | nichol001tri | 1884 | 5/2-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Hugh Nicol | nicol-001hug | 1884 | 110 g. | St. Louis Browns | American Association | St. Louis, MO | |
| George Noftsker | noftsk001geo | 1884 | 4/17-5/2 | 7 g. | Altoona | Union Association | Altoona, PA |
| George Noftsker | noftsk001geo | 1884 | 5/9-5/23 | Chambersburg | Keystone Association | Chambersburg, PA | |
| The Only Nolan | nolan-001the | 1884 | 5/1-8/8 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| The Only Nolan | nolan-001the | 1884 | -10/9 | 9 g. | Wilmington | Union Association | Wilmington, DE |
| Richard Noonan | noonan001ric | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| North | north-003--- | 1884 | 5/1-5/10 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Nowell | nowell003--- | 1884 | 1 g. | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| William Nusz | nusz--001emo | 1884 | 4/26 | 1 g. | Washington | Union Association | Washington, DC |
| William Nusz | nusz--001emo | 1884 | Hagerstown | Independent | Hagerstown, MD | ||
| Fred Nyce | nyce--001fre | 1884 | Port Jervis | Independent | Port Jervis, NY | ||
| O'Brien | 1884 | Keokuk | Independent | Keokuk, IA | |||
| O'Brien | obrien007--- | 1884 | 5/1-5/9 | Allentown Dukes | Eastern League | Allentown, PA | |
| O'Brien | 1884 | 6/14 | Waltham | Massachusetts State Association | Waltham, MA | ||
| O'Brien | obrien017--- | 1884 | 5/10-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| O'Brien | obrien054--- | 1884 | +6/6-6/19+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| O'Brien | obrien014--- | 1884 | +7/28-8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Billy O'Brien | obrien001bil | 1884 | 5/1-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Billy O'Brien | obrien001bil | 1884 | 9/27- | 8 g. | St. Paul | Union Association | St. Paul, MN |
| Billy O'Brien | obrien001bil | 1884 | 4 g. | Kansas City | Union Association | Kansas City, MO | |
| Darby O'Brien | obrien002dar | 1884 | 8/19-8/20 | Winona Clippers | Northwestern League | Winona, MN | |
| Jack O'Brien | obrien002jac | 1884 | 36 g. | Philadelphia | American Association | Philadelphia, PA | |
| James O'Brien | obrien010jam | 1884 | 5/2-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Jerry O'Brien | obrien001jer | 1884 | Warren | Independent | Warren, PA | ||
| John O'Brien | obrien008joh | 1884 | 4/19- | 18 g. | Baltimore | Union Association | Baltimore, MD |
| Tom O'Brien | obrien001tom | 1884 | 103 g. | Boston | Union Association | Boston, MA | |
| Tom O'Brien | obrien001tom | 1884 | 9/6-9/20 | Waterbury | Connecticut State League | Waterbury, CT | |
| Pat O'Connell | oconne002pat | 1884 | Biddeford | Independent | Biddeford, MA | ||
| M. O'Connor | oconno004m-- | 1884 | 5/10-7/23 | Willimantic | Connecticut State League | Willimantic, CT | |
| Timothy O'Connor | oconno003tim | 1884 | 6/9-7/18 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Timothy O'Connor | oconno003tim | 1884 | Portland | Independent | Portland, ME | ||
| Hank O'Day | oday--001han | 1884 | 5/2- | 64 g. | Toledo | American Association | Toledo, OH |
| John O'Donnell | odonne007joh | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| John O'Donnell | odonne005joh | 1884 | 7/16 | 1 g. | Philadelphia | Union Association | Philadelphia, PA |
| William O'Donnell | 1884 | Franklin | Iron & Oil Association | Franklin, PA | |||
| William O'Donnell | odonne004wil | 1884 | +5/22-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Dan O'Leary | oleary002dan | 1884 | -8/6 | 32 g. | Cincinnati | Union Association | Cincinnati, OH |
| Dan O'Neil | oneill003dan | 1884 | 5/31 | New Britain | Connecticut State League | New Britain, CT | |
| Dan O'Neil | oneill003dan | 1884 | 6/14-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Ed O'Neil | oneil-002ed- | 1884 | 5/2-5/27 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Frank O'Neil | 1884 | Dubuque | Independent | Dubuque, IA | |||
| M. J. O'Neil | 1884 | g. ? | Youngstown | Iron & Oil Association | Youngstown, OH | ||
| Tip O'Neill | oneill001tip | 1884 | 78 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Tip O'Neill | oneill001nor | 1884 | Bradford | Independent | Bradford, PA | ||
| Jim O'Rourke | orourk003jam | 1884 | 108 g. | Buffalo | National League | Buffalo, NY | |
| Tim O'Rourke | orourk003tim | 1884 | Rochester | Rochester, NY | |||
| William O'Rourke | orourk002wil | 1884 | 5/1-5/13 | Muskegon | Northwestern League | Muskegon, MI | |
| J. O'Shea | oshea-002j-- | 1884 | 6/7-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| Dick O'Toole | otoole001dic | 1884 | Bridgeport | Independent | Bridgeport, CT | ||
| Dick O'Toole | otoole001dic | 1884 | 8/9-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Henry Oberbeck | oberbe001hen | 1884 | 33 g. | Baltimore | Union Association | Baltimore, MD | |
| Henry Oberbeck | oberbe001hen | 1884 | -10/18 | 27 g. | Kansas City | Union Association | Kansas City, MO |
| Oberle | oberle001--- | 1884 | 5/1-5/24 | Newark Domestics | Eastern League | Newark, NJ | |
| Dave Oldfield | oldfie001dav | 1884 | 55 g. | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Frank Olin | olin--001fra | 1884 | 5/1-7/17 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Frank Olin | olin--001fra | 1884 | 7/4- | 21 g. | Washington | American Association | Washington, DC |
| Frank Olin | olin--001fra | 1884 | 1 g. | Washington | Union Association | Washington, DC | |
| Frank Olin | olin--001fra | 1884 | 26 g. | Toledo | American Association | Toledo, OH | |
| Dave Orr | orr---002dav | 1884 | -10/2 | 110 g. | New York | American Association | New York, NY |
| Dick Orth | orth--001dic | 1884 | Leadville | Independent | Leadville, CO | ||
| Charlie Osterhout | osterh001cha | 1884 | 5/2-7/25 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Billy Otterson | otters001bil | 1884 | -6/ | Allegheny Reserve | Independent | Allegheny, PA | |
| Billy Otterson | otters001bil | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Billy Otterson | otters001bil | 1884 | 6/13-8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| George Oxley | oxley-001geo | 1884 | 7/10-7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| Henry Oxley | oxley-001hen | 1884 | Lynn | Massachusetts State Association | Lynn, MA | ||
| Henry Oxley | oxley-001hen | 1884 | 7/30-10/10 | 2 g. | New York | National League | New York, NY |
| Henry Oxley | oxley-001hen | 1884 | 1 g. | New York | American Association | New York, NY | |
| Oyster | oyster001--- | 1884 | 5/3 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Joe Page | 1884 | Big Rapids | NoMich | Big Rapids, MI | |||
| Parker | parker001--- | 1884 | 5/13-7/4 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| C.M. Parker | parker004c-- | 1884 | 5/22 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| C.N. Parker | parker003c-- | 1884 | 5/6-5/22 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Chad Parker | parker009cha | 1884 | 7/4-7/22+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Frank Parker | parker004fra | 1884 | 5/2-6/5 | Lancaster | Keystone Association | Lancaster, PA | |
| Frank Parker | parker004fra | 1884 | 7/?-10/1 | Lancaster | Independent | Lancaster, PA | |
| Henry Parry | 1884 | 5/3-7/19 | Waltham | Massachusetts State Association | Waltham, MA | ||
| Parsons | parson004--- | 1884 | +8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Charlie Parsons | parson002cha | 1884 | Lancaster Ironsides | Eastern League | Lancaster, PA | ||
| Charlie Parsons | parson002cha | 1884 | 5/19-5/26 | Newark Domestics | Eastern League | Newark, NJ | |
| Charlie Parsons | parson002cha | 1884 | Warren | Independent | Warren, PA | ||
| Charlie Parsons | parson002cha | 1884 | Mansfield Regulars | Independent | Mansfield, PA | ||
| George Patterson | patter003geo | 1884 | 4/24-4/26 | 2 g. | Philadelphia | Union Association | Philadelphia, PA |
| George Pattison | 1884 | , | |||||
| Owen Patton | patton001owe | 1884 | 5/2-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| Owen Patton | patton001owe | 1884 | 8/21-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Elias Peak | peak--001eli | 1884 | 4/19-8/7 | 1 g. | Boston | Union Association | Boston, MA |
| Elias Peak | peak--001eli | 1884 | 54 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Peake | peake-002--- | 1884 | 5/2-5/14 | Lancaster | Keystone Association | Lancaster, PA | |
| Dickey Pearce | pearce001dic | 1884 | 5/1-8/9 | Umpire | East | , | |
| Pearson | pearso001--- | 1884 | 6/27-8/7 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Al Peckenpaugh | pecken001a-- | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Frank Peckenpaugh | pecken001f-- | 1884 | 5/-9/ | Springfield | Ohio State League | Springfield, OH | |
| John Peltz | peltz-001joh | 1884 | 5/1 - | 106 g. | Indianapolis | American Association | Indianapolis, IN |
| Jimmy Peoples | people001jim | 1884 | 5/29 - | 69 g. | Cincinnati | American Association | Cincinnati, OH |
| F.W. Perkins | perkin001f-- | 1884 | 5/3-5/10 | Reading Actives | Eastern League | Reading, PA | |
| Hip Perrier | perrie001hyp | 1884 | 8 g. | San Francisco | California League | San Francisco, CA | |
| Peters | peters048--- | 1884 | 5/3-7/2 | Willimantic | Connecticut State League | Willimantic, CT | |
| John Peters | peters008joh | 1884 | 6/11 | 1 g. | Pittsburgh | American Association | Pittsburgh, PA |
| John Peters | peters008joh | 1884 | Allentown Reserve | Independent | Allentown, PA | ||
| John Peters | peters008joh | 1884 | 7/1-8/2 | Stillwater | Northwestern League | Stillwater, MN | |
| Bob Pettit | pettit001bob | 1884 | 5/3-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| Fred Pfeffer | pfeffe001fre | 1884 | 112 g. | Chicago | National League | Chicago, IL | |
| Dan Phelan | phelan001dan | 1884 | 5/3-10/4 | Waterbury | Connecticut State League | Waterbury, CT | |
| Dick Phelan | phelan001dic | 1884 | 4/17 - | 101 g. | Baltimore | Union Association | Baltimore, MD |
| Finton Phelan | phelan001fin | 1884 | 5/13 | Waterbury | Connecticut State League | Waterbury, CT | |
| Bill Phillips | philli001bil | 1884 | 111 g. | Cleveland | National League | Cleveland, OH | |
| Horace Phillips | philli001hor | 1884 | 5/1-8/2 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Horace Phillips | philli001hor | 1884 | -7/24 | g. | Pittsburgh | American Association | Pittsburgh, PA |
| Ira Phillips | philli001ira | 1884 | 5/5-5/16+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Ira Phillips | philli001ira | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| Marr Phillips | philli003mar | 1884 | 5/1 - | 97 g. | Indianapolis | American Association | Indianapolis, IN |
| William Phinney | phinne001wil | 1884 | Springfield | Independent | Springfield, | ||
| John Pickett | picket001joh | 1884 | 5/2-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Pierce | pierce001--- | 1884 | 6/14-6/24 | Rockville | Connecticut State League | Rockville, CT | |
| George Pierce | pierce001mau | 1884 | York | Keystone Association | York, PA | ||
| George Pierce | pierce001mau | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| George Pierce | pierce001mau | 1884 | 4/23-4/24 | 2 g. | Washington | Union Association | Washington, DC |
| Gracie Pierce | pierce001gra | 1884 | -8/1 | 5 g. | New York | American Association | New York, NY |
| Gracie Pierce | pierce001gra | 1884 | 1 g. | MLB Umpire | American Association | , | |
| Andy Piercy | piercy001and | 1884 | 6 g. | San Francisco Star | California League | San Francisco, CA | |
| Dave Pierson | pierso002dav | 1884 | 5/3-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Dick Pierson | pierso001dic | 1884 | 5/1-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Dick Pierson | pierso001dic | 1884 | Jersey City | Independent | Jersey City, NJ | ||
| John Pierson | pierso002joh | 1884 | New Brighton | Iron & Oil Association | New Brighton, PA | ||
| Lip Pike | pike--001lip | 1884 | Long Island Stars | Independent | Long Island, NY | ||
| George Pinkney | pinkne001geo | 1884 | 5/2-8/4 | Peoria Reds | Northwestern League | Peoria, IL | |
| George Pinkney | pinkne001geo | 1884 | 8/16 - | 36 g. | Cleveland | National League | Cleveland, OH |
| Pollard | pollar006--- | 1884 | 6/28-7/5 | Rockville | Connecticut State League | Rockville, CT | |
| Thomas Pollard | pollar001tho | 1884 | 5/3-5/15 | Chester | Keystone Association | Chester, PA | |
| Thomas Pollard | pollar001tho | 1884 | Philadelphia Burlington | Independent | Philadelphia, PA | ||
| Thomas Pollard | pollar001tho | 1884 | Atlantic City | Independent | Atlantic City, NJ | ||
| Thomas Pollard | pollar001tho | 1884 | Philadelphia Wharton | Independent | Philadelphia, PA | ||
| Thomas? Pollard | 1884 | Johnstown | Iron & Oil Association | Johnstown, PA | |||
| Pomeroy | pomero001--- | 1884 | 5/1-5/17 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Tom Poorman | poorma001tom | 1884 | 94 g. | Toledo | American Association | Toledo, OH | |
| Pope | pope--013--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Pope | pope--001--- | 1884 | Oil City | Iron & Oil Association | Oil City, PA | ||
| Arthur Pope | pope--001art | 1884 | no g. | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Henry Porter | porter001hen | 1884 | 5/2-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Henry Porter | porter001hen | 1884 | 8/2-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Henry Porter | porter001hen | 1884 | 9/27 - | 11 g. | Milwaukee | Union Association | Milwaukee, WI |
| Matthew Porter | porter001mat | 1884 | 6/27 - | 3 g. | Kansas City | Union Association | Kansas City, MO |
| Abner Powell | powell001abn | 1884 | 5/2-8/1 | Peoria Reds | Northwestern League | Peoria, IL | |
| Abner Powell | powell001abn | 1884 | 8/4 - | 48 g. | Washington | Union Association | Washington, DC |
| Jim Powell | powell002jim | 1884 | 5/1-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Jim Powell | powell002jim | 1884 | 8/5 - | 41 g. | Richmond | American Association | Richmond, VA |
| Martin Powell | powell001mar | 1884 | 43 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Charles Power | powers002cha | 1884 | 8/29 - | 2 g. | MLB Umpire | Union Association | , |
| Pat Powers | powers001pat | 1884 | 5/1-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Phil Powers | powers001phi | 1884 | 35 g. | Cincinnati | American Association | Cincinnati, OH | |
| Charles Price | 1884 | Wheeling | Wheeling, WV | ||||
| Jesse Price | price-001jes | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Jim Price | price-002jim | 1884 | 5/1-9/20 | g. | New York | National League | New York, NY |
| W.J. Prince | prince001w-- | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Walter Prince | prince001wal | 1884 | -8/4 | 7 g. | Detroit | National League | Detroit, MI |
| Walter Prince | prince001wal | 1884 | 43 g. | Washington | American Association | Washington, DC | |
| Walter Prince | prince001wal | 1884 | 1 g. | Washington | Union Association | Washington, DC | |
| James Proctor | procto003jam | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | ||
| C. Provost | provos001c-- | 1884 | 5/10-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Blondie Purcell | purcel001blo | 1884 | 103 g. | Philadelphia | National League | Philadelphia, PA | |
| James Purvis | purvis002jam | 1884 | 10/4 | Toronto | Independent | Toronto, ON | |
| Harry Pyle | pyle--001sha | 1884 | 4/11- | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Harry Pyle | pyle--001sha | 1884 | 5/22-9/13 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Harry Pyle | pyle--001sha | 1884 | -10/1 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Harry Pyle | pyle--001sha | 1884 | 10/15 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| J.F. Pyne | pyne--001j-- | 1884 | 7/12 | Lynn | Massachusetts State Association | Lynn, MA | |
| Joe Quest | quest-001joe | 1884 | 81 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Joe Quest | quest-001joe | 1884 | 12 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Quinlan | quinla009--- | 1884 | 7/28 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Quinlan | quinla008--- | 1884 | 5/1-6/9 | Boston Blues | Mass | Boston, MA | |
| Quinlan | quinla008--- | 1884 | Braintree | Independent | Braintree, MA | ||
| Quinlan | quinla001--- | 1884 | 5/1-6/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Jack Quinn | quinn-001jac | 1884 | 6/4 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Jack Quinn | quinn-001jac | 1884 | 6/13-7/28 | Stillwater | Northwestern League | Stillwater, MN | |
| Jack Quinn | quinn-001jac | 1884 | Dubuque | Independent | Dubuque, IA | ||
| Joe Quinn | quinn-003jos | 1884 | 4/26- | 103 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| John Quinn | quinn-013joh | 1884 | 5/2-7/4 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| John Quinn | quinn-013joh | 1884 | 7/19-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Michael Quinn | quinn-001mic | 1884 | 5/5-8/8 | Youngstown | Iron & Oil Association | Youngstown, OH | |
| William Quinn | quinn-001bil | 1884 | 7/19- | 55 g. | MLB Umpire | American Association | , |
| Marshall Quinton | quinto001mar | 1884 | 5/1-7/23 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Marshall Quinton | quinto001mar | 1884 | 7/28-8/1 | Richmond Virginias | Eastern League | Richmond, VA | |
| Marshall Quinton | quinto001mar | 1884 | 8/7- | 26 g. | Richmond | American Association | Richmond, VA |
| Maurice Quirk | quirk-001mau | 1884 | 5/21-5/31 | Rockville | Connecticut State League | Rockville, CT | |
| Maurice Quirk | quirk-001mau | 1884 | Rockville Shamrock | Independent | Rockville, CT | ||
| Old Hoss Radbourn | radbou001old | 1884 | 87 g. | Providence | National League | Providence, RI | |
| Paul Radford | radfor002pau | 1884 | 97 g. | Providence | National League | Providence, RI | |
| Jack Rafferty | raffer001joh | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| J. Raine | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| John Rainey | rainey001joh | 1884 | 5/1-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| John Rainey | rainey001joh | 1884 | 8/21-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Toad Ramsey | ramsey001toa | 1884 | Shelbyville | Independent | Shelbyville, IN | ||
| William Randall | 1884 | 6/9-6/17 | Waltham | Massachusetts State Association | Waltham, MA | ||
| John Rauen | rauen-001joh | 1884 | Reading Actives | Eastern League | Reading, PA | ||
| Ray | ray---001--- | 1884 | +6/21+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Jimmy Reardon | reardo002jam | 1884 | Chester | Keystone Association | Chester, PA | ||
| Jimmy Reardon | reardo002jam | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| John Reccius | recciu001joh | 1884 | 5/1-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| John Reccius | recciu001joh | 1884 | 7/9-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Phil Reccius | recciu002phi | 1884 | 73 g. | Louisville | American Association | Louisville, KY | |
| Michael Redigan | rediga001mic | 1884 | 5/1-5/10 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Michael Redigan | rediga001mic | 1884 | 6/2 | New Britain | Connecticut State League | New Britain, CT | |
| Michael Redigan | rediga001mic | 1884 | 6/4-7/19 | Meriden | Connecticut State League | Meriden, CT | |
| Michael Redigan | rediga001mic | 1884 | 8/6-8/9 | Willimantic | Connecticut State League | Willimantic, CT | |
| Edward Reed | reed--003edw | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Frank Reed | reed--002fra | 1884 | -9/30 | Hamilton | Ohio State League | Hamilton, OH | |
| Icicle Reeder | reeder001ici | 1884 | 6/24-8/5 | 3 g. | Cincinnati | American Association | Cincinnati, OH |
| Icicle Reeder | reeder001ici | 1884 | 3 g. | Washington | Union Association | Washington, DC | |
| John Reeves | reeves003joh | 1884 | 5/12-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Billy Reid | reid--001bil | 1884 | 5/2-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Billy Reid | reid--001bil | 1884 | -10/15 | 19 g. | Pittsburgh | American Association | Pittsburgh, PA |
| John Reidy | reidy-002joh | 1884 | Buffalo Travelers | Independent | Buffalo, NY | ||
| Charlie Reilley | reille001cha | 1884 | -4/26 | 3 g. | Boston | Union Association | Boston, MA |
| Charlie Reilley | reille001cha | 1884 | 5/26-5/30 | Worcester | Massachusetts State Association | Worcester, MA | |
| Charlie Reilley | reille001cha | 1884 | 6/14-6/16 | Rockville | Connecticut State League | Rockville, CT | |
| Charlie Reilley | reille001cha | 1884 | 7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Charlie Reilley | reille001cha | 1884 | 8/2-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Jim Reilly | reilly001joe | 1884 | 5/31 | Newark Domestics | Eastern League | Newark, NJ | |
| Jim Reilly | reilly001joe | 1884 | Manhattanville-Olympics | Independent | , | ||
| John Reilly | reilly004joh | 1884 | 105 g. | Cincinnati | American Association | Cincinnati, OH | |
| Charles Reimer | reimer001cha | 1884 | 5/5-6/5+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Charlie Reipschlager | reipsc001cha | 1884 | 59 g. | New York | American Association | New York, NY | |
| Charlie Reising | reisin001cha | 1884 | Kenton | Independent | Kenton, OH | ||
| Charlie Reising | reisin001cha | 1884 | 7/19-7/20 | 2 g. | Indianapolis | American Association | Indianapolis, IN |
| Charlie Reising | reisin001cha | 1884 | 8/- | Springfield | Ohio State League | Springfield, OH | |
| Jack Remsen | remsen001jac | 1884 | 12 g. | Philadelphia | National League | Philadelphia, PA | |
| Jack Remsen | remsen001jac | 1884 | 81 g. | Brooklyn | American Association | Brooklyn, NY | |
| Renia | renia-001--- | 1884 | 6/30 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Renner | renner001--- | 1884 | 7/12-7/16 | Hartford | Connecticut State League | Hartford, CT | |
| Horace Rescott | rescot001hor | 1884 | 5/1-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Ressler | ressle001--- | 1884 | 5/29 | Reading Actives | Eastern League | Reading, PA | |
| Reynolds | reynol007--- | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| George Rhue | rhue--001joh | 1884 | 5/2-9/ | Springfield | Ohio State League | Springfield, OH | |
| John Rice | rice--002joh | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Richardson | richar004--- | 1884 | 7/10 | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Richardson | 1884 | +7/15+ | Boston Beacons | Independent | Boston, MA | ||
| Arthur Richardson | richar001art | 1884 | Meadville | Independent | Meadville, PA | ||
| Arthur Richardson | richar001art | 1884 | 5/21-6/21+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Danny Richardson | richar002dan | 1884 | 5/22 - | 74 g. | New York | National League | New York, NY |
| Hardy Richardson | richar001har | 1884 | 102 g. | Buffalo | National League | Buffalo, NY | |
| Harry Richardson | richar002har | 1884 | 5/2-6/5 | Lancaster | Keystone Association | Lancaster, PA | |
| Harry Richardson | richar002har | 1884 | Lancaster | Independent | Lancaster, PA | ||
| John Richmond | richmo002joh | 1884 | 105 g. | Columbus | American Association | Columbus, OH | |
| Chris Rickley | rickle001chr | 1884 | Atlantic City | Independent | Atlantic City, NJ | ||
| Chris Rickley | rickle001chr | 1884 | 6/9-6/21 | 6 g. | Philadelphia | Union Association | Philadelphia, PA |
| Chris Rickley | rickle001chr | 1884 | Philadelphia Defiance | Independent | Philadelphia, PA | ||
| William Riley | riley-008wil | 1884 | 5/5-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| William Riley | riley-008wil | 1884 | Williamsport | Independent | Williamsport, PA | ||
| Frank Ringo | ringo-001fra | 1884 | 26 g. | Philadelphia | National League | Philadelphia, PA | |
| Frank Ringo | ringo-001fra | 1884 | 2 g. | Philadelphia | American Association | Philadelphia, PA | |
| William Rittenhouse | ritten001wil | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| William Rittenhouse | ritten001wil | 1884 | 6/13-7/21 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| John Roach | roach-003joh | 1884 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | ||
| Roberts | robert048--- | 1884 | 5/9-7/2 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Robinson | robins023--- | 1884 | 5/10 | Waltham | Massachusetts State Association | Waltham, MA | |
| Robinson | robins023--- | 1884 | 5/31-6/21 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Charlie Robinson | robins010cha | 1884 | 5/2-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Charlie Robinson | robins010cha | 1884 | 8/2 - | 20 g. | Indianapolis | American Association | Indianapolis, IN |
| Fred Robinson | robins002fre | 1884 | 4/17-4/19 | 3 g. | Cincinnati | Union Association | Cincinnati, OH |
| Wilbert Robinson | robins001wil | 1884 | Hudson | Independent | Hudson, MA | ||
| William Robinson | robins001yan | 1884 | 4/17- | 102 g. | Baltimore | Union Association | Baltimore, MD |
| Adam Rocap | rocap-001ada | 1884 | +8/16+ | Philadelphia Riverton | Independent | Philadelphia, PA | |
| William Roche | roche-003wil | 1884 | 5/5-7/22 | Stillwater | Northwestern League | Stillwater, MN | |
| Billy Rockwell | rockwe001elm | 1884 | Union Pacific | Independent | Omaha, NE | ||
| Clifford Roecker | roecke001cli | 1884 | 5/1-5/5 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Rogan | rogan-002--- | 1884 | 8/19-8/20 | Winona Clippers | Northwestern League | Winona, MN | |
| Pat Rollins | rollin001hen | 1884 | 5/3-5/27? | Chambersburg | Keystone Association | Chambersburg, PA | |
| Pat Rollins | rollin001hen | 1884 | 8/?-9/? | Williamsport | Independent | Williamsport, PA | |
| Bill Rollinson | rollin001bil | 1884 | 6/17 | 1 g. | Washington | Union Association | Washington, DC |
| Bill Rollinson | rollin001bil | 1884 | 7/14-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| S. Romigh | romigh001s-- | 1884 | +6/6-6/19+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| S. Romigh | romigh001s-- | 1884 | +8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Charles Roof | roof--001cha | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| James Roseman | rosema001chi | 1884 | 107 g. | New York | American Association | New York, NY | |
| Alex Ross | ross--001ale | 1884 | 6/25-9/- | 13 g. | Woodstock | Independent | Woodstock, ON |
| R.F. Ross | ross--001r-- | 1884 | 5/12-7/19 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Robert Ross | ross--007rob | 1884 | 5/7-6/13+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Robert Ross | ross--007rob | 1884 | -7/27 | 4 g. | MLB Umpire | American Association | , |
| Robert Ross | ross--007rob | 1884 | Denver | Independent | Denver, CO | ||
| Bill Rotes | rhodes001bil | 1884-91 | Pottstown | Independent | Pottstown, PA | ||
| H.C. Roth | roth--001h-- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Billy Rourke | rourke001wil | 1884 | , | ||||
| Rousseau | rousse002--- | 1884 | -9/30 | Ironton | Ohio State League | Ironton, OH | |
| Rousseau | rousse002--- | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Elmer Roussey | rousse002elm | 1884 | York | Keystone Association | York, PA | ||
| Elmer Roussey | rousse002elm | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Dave Rowe | rowe--001dav | 1884 | 109 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Jack Rowe | rowe--001jac | 1884 | 93 g. | Buffalo | National League | Buffalo, NY | |
| Ed Rowen | rowen-001ed- | 1884 | 4 g. | Philadelphia | American Association | Philadelphia, PA | |
| J. H. Rowley | 1884 | 7/17-8/7 | Umpire | East | , | ||
| Jim Roxburgh | roxbur001jim | 1884 | 5/30 - | 2 g. | Baltimore | American Association | Baltimore, MD |
| Jim Roxburgh | roxbur001jim | 1884 | -9/30 | Hamilton | Ohio State League | Hamilton, OH | |
| Royce | royce-001--- | 1884 | Muskegon | Northwestern League | Muskegon, MI | ||
| John Rudderham | rudder001joh | 1884 | Braintree | Independent | Braintree, MA | ||
| John Rudderham | rudder001joh | 1884 | 9/18 | 1 g. | Boston | Union Association | Boston, MA |
| Gus Ruhl | 1884 | Columbus Stars | Georgia State League | Columbus, GA | |||
| Rundlett | 1884 | Concord | Independent | Concord, NH | |||
| Clay Runyan | 1884 | 3/30-4/19 | 4 g. | St. Louis Reserves | Independent | St. Louis, MO | |
| George Rush | rush--001geo | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| William Rush | rush--002wil | 1884 | 5/5-5/14 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| James Russell | russel009jam | 1884 | 5/3-6/28 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Daniel Ryan | ryan--006dan | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Daniel F.? Ryan | 1884 | Akron | Independent | Akron, OH | |||
| James Ryan | ryan--013jam | 1884 | 5/3-6/21 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| James Ryan | ryan--012jam | 1884 | 5/27-7/7 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| James Ryan | ryan--012jam | 1884 | 7/24 | Allentown Dukes | Eastern League | Allentown, PA | |
| Jimmy Ryan | ryan--003jam | 1884 | 5/1-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Jimmy Ryan | ryan--003jam | 1884 | 8/30-9/25 | New Britain | Connecticut State League | New Britain, CT | |
| Jimmy Ryan | ryan--003jam | 1884 | 9/24-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| John Ryan | ryan--011joh | 1884 | 4/19 - | 7 g. | Baltimore | Union Association | Baltimore, MD |
| John Ryan | ryan--011joh | 1884 | Norfolk | Independent | Norfolk, VA | ||
| John Ryan | ryan--011joh | 1884 | Rale.-Swiftfoots | Independent | , | ||
| John Ryan | 1884 | , | |||||
| John Ryan | ryan--022joh | 1884 | 5/2- | Hamilton | Ohio State League | Hamilton, OH | |
| John Ryan | ryan--022joh | 1884 | Dayton Gem Citys | Independent | Dayton, OH | ||
| Tom Ryder | ryder-001tom | 1884 | 7/22-8/6 | 8 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| Dummy Ryn | ryn---001joh | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Dummy Ryn | ryn---001joh | 1884 | -9/30 | 3 g. | Dayton Gem Citys | Ohio State League | Dayton, OH |
| Harry Sage | sage--001har | 1884 | Rock Island | Independent | Rock Island, IL | ||
| Harry Sage | sage--001har | 1884 | Pueblo | Independent | Pueblo, CO | ||
| Ed Sales | sales-001ed- | 1884 | 5/2?-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Ed Sales | sales-001ed- | 1884 | 6/16-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Ed Sales | sales-001ed- | 1884 | Williamsport | Independent | Williamsport, PA | ||
| Harry Salisbury | salisb001har | 1884 | Union Pacific | Independent | Omaha, NE | ||
| Edward Santry | santry001edw | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Edward Santry | santry001edw | 1884 | 8/7-8/12 | 6 g. | Detroit | National League | Detroit, MI |
| Arthur Saunders | saunde001art | 1884 | 5/21-5/22 | Quincy Quincys | Northwestern League | Quincy, IL | |
| John Saunders | saunde003joh | 1884 | 5/3-7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Will Sawyer | sawyer005wil | 1884 | 5/1-8/? | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Jimmy Say | say---001jim | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Jimmy Say | say---001jim | 1884 | 16 g. | Wilmington | Union Association | Wilmington, DE | |
| Jimmy Say | say---001jim | 1884 | 2 g. | Kansas City | Union Association | Kansas City, MO | |
| Lou Say | say---001lou | 1884 | 78 g. | Baltimore | Union Association | Baltimore, MD | |
| Lou Say | say---001lou | 1884 | 17 g. | Kansas City | Union Association | Kansas City, MO | |
| Mike Scanlon | scanlo002mic | 1884 | 4/17- | 114 g. | Washington | Union Association | Washington, DC |
| Pat Scanlon | scanlo001pat | 1884 | 7/4-7/11 | 6 g. | Boston | Union Association | Boston, MA |
| Pat Scanlon | scanlo001pat | 1884 | 7/23 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Pat Scanlon | scanlo001pat | 1884 | Augusta | Independent | Augusta, GA | ||
| John Schappert | schapp001joh | 1884 | 5/2-5/19 | Reading Actives | Eastern League | Reading, PA | |
| Nick Scharf | scharf001nic | 1884 | 5/10-5/12 | Richmond Virginias | Eastern League | Richmond, VA | |
| Gus Scharringhausen | sherin001j-- | 1884 | Jacksonville | Independent | Jacksonville, IL | ||
| Ted Scheffler | scheff001ted | 1884 | new York Hudsons | Independent | New York, NY | ||
| Ted Scheffler | scheff001ted | 1884 | New York Acmes | Independent | New York, NY | ||
| Bill Schenck | schenc001bil | 1884 | 5/1-7/7 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Bill Schenck | schenc001bil | 1884 | 7/22-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Bill Schenck | schenc001bil | 1884 | 42 g. | Richmond | American Association | Richmond, VA | |
| John Schenk | 1884 | 5/26-6/2 | 3 g. | St. Louis Reserves | Independent | St. Louis, MO | |
| Gus Schmelz | schmel001gus | 1884 | g. | Columbus | American Association | Columbus, OH | |
| Jumbo Schoeneck | schoen001jum | 1884 | 4/20- | 90 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Jumbo Schoeneck | schoen001jum | 1884 | 16 g. | Baltimore | Union Association | Baltimore, MD | |
| Otto Schomberg | schomb001ott | 1884 | Milkwauke Reserves | Independent | Milkwauke, WI | ||
| Otto Schomberg | schomb001ott | 1884 | 5/28-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Pop Schriver | schriv001wil | 1884 | Long Island AC | Independent | Long Island, NY | ||
| Bill Schwartz | schwar001bil | 1884 | -8/7 | 29 g. | Cincinnati | Union Association | Cincinnati, OH |
| Bill Schwartz | schwar001bil | 1884 | Georgetown | Independent | Georgetown, KY | ||
| John Schweitzer | schwei001joh | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Scott | scott-002--- | 1884 | 7/16-8/5 | 13 g. | Baltimore | Union Association | Baltimore, MD |
| Scott | 1884 | 10/4 | Toronto | Independent | Toronto, ON | ||
| Milt Scott | scott-001mil | 1884 | -10/14 | 110 g. | Detroit | National League | Detroit, MI |
| Emmett Seery | seery-001emm | 1884 | 4/17- | 105 g. | Baltimore | Union Association | Baltimore, MD |
| Emmett Seery | seery-001emm | 1884 | 1 g. | Kansas City | Union Association | Kansas City, MO | |
| Frank Selee | selee-001fra | 1884 | Waltham | Massachusetts State Association | Waltham, MA | ||
| Frank Selee | selee-001fra | 1884 | Lawrence | Massachusetts State Association | Lawrence, MA | ||
| Billy Serad | serad-001bil | 1884 | 5/5- | 37 g. | Buffalo | National League | Buffalo, NY |
| Billy Serad | serad-001bil | 1884 | 10/13 | MLB Umpire | National League | , | |
| Ed Seward | seward001ed- | 1884 | Akron | Independent | Akron, OH | ||
| Ed Seward | seward001ed- | 1884 | 6/14-7/12 | Terre Haute | Northwestern League | Terre Haute, IN | |
| George Seward | seward001geo | 1884 | -10/19 | 87 g. | MLB Umpire | American Association | , |
| Tom Sexton | sexton001tom | 1884 | 5/1-9/7 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Tom Sexton | sexton001tom | 1884 | 9/27-10/12 | 12 g. | Milwaukee | Union Association | Milwaukee, WI |
| Ben Shade | shade-001ben | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Orator Shafer | shafer001ora | 1884 | 106 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Taylor Shafer | shafer001tay | 1884 | 5/5- | 13 g. | Altoona | Union Association | Altoona, PA |
| Taylor Shafer | shafer001tay | 1884 | 44 g. | Kansas City | Union Association | Kansas City, MO | |
| Taylor Shafer | shafer001tay | 1884 | 9/?-9/?- | 3 g. | Baltimore | Union Association | Baltimore, MD |
| Frank Shaffer | shaffe002fra | 1884 | 4/24-5/3 | 6 g. | Altoona | Union Association | Altoona, PA |
| Gus Shallix | shalli001gus | 1884 | 4/- | Cincinnati Reserves | Independent | Cincinnati, OH | |
| Gus Shallix | shalli001gus | 1884 | 6/22- | 23 g. | Cincinnati | American Association | Cincinnati, OH |
| Shannon | shanno001--- | 1884 | 5/2-8/14 | Springfield | Massachusetts State Association | Springfield, MA | |
| Dan Shannon | shanno004dan | 1884 | 5/3-7/4 | Hartford | Connecticut State League | Hartford, CT | |
| Dan Shannon | shanno004dan | 1884 | 7/16-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| J.H. Shannon | shanno002j-- | 1884 | 5/15 | Lancaster | Keystone Association | Lancaster, PA | |
| Edward Shattuck | shattu001edw | 1884 | Utica | Amat | Utica, NY | ||
| Shaughnessy | shaugh001--- | 1884 | 5/2- | Ironton | Ohio State League | Ironton, OH | |
| Charles Shaw | shaw--001cha | 1884 | 5/1-8/15 | Springfield | Massachusetts State Association | Springfield, MA | |
| Dupee Shaw | shaw--001dup | 1884 | 36 g. | Detroit | National League | Detroit, MI | |
| Dupee Shaw | shaw--001dup | 1884 | 44 g. | Boston | Union Association | Boston, MA | |
| John Shaw | shaw--008joh | 1884 | 5/1-8/9 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Samuel Shaw | shaw--004sam | 1884 | 5/3 | Meriden | Connecticut State League | Meriden, CT | |
| Shay | shay--004--- | 1884 | 6/2 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| E. Shay | shay--001e-- | 1884 | 6/10-7/24 | Richmond Virginias | Eastern League | Richmond, VA | |
| E. Shay | shay--001e-- | 1884 | 7/14 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Patsy Shay | shay--001pat | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Dan Sheahan | sheeha003dan | 1884 | 4/19- | 7 g. | Washington | Union Association | Washington, DC |
| Dan Sheahan | sheeha003dan | 1884 | -8/23 | 2 g. | Wilmington | Union Association | Wilmington, DE |
| Dan Sheahan | sheeha003dan | 1884 | 8/27 | Baltimore | Union Association | Baltimore, MD | |
| Sheehan | sheeha006--- | 1884 | 7/16-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| Patrick Sheehan | sheeha001pat | 1884 | 5/10-6/25 | Willimantic | Connecticut State League | Willimantic, CT | |
| Alfred Sheppard/erd | sheppa001alf | 1884 | Toronto | Independent | Toronto, ON | ||
| Jack Sheridan | sherid001jac | 1884 | 8 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| John Shetzline | shetzl001joh | 1884 | 5/1-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Shields | shield002--- | 1884 | 5/7 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Shinehouse | shineh001--- | 1884 | Pottsville Alert | Independent | Pottsville, PA | ||
| Charles Shinehouse | 1884 | Pottsville Young Merritt | Independent | Pottsville, PA | |||
| Roscoe Shinehouse | 1884 | Pottsville Alert | Independent | Pottsville, PA | |||
| Lynn Shirk | shirk-001lyn | 1884 | 5/17 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| George Shoch | shoch-001geo | 1884 | Philadelphia Somerset | Independent | Philadelphia, PA | ||
| John Shoup | shoupe001joh | 1884 | 5/28 | 1 g. | Washington | Union Association | Washington, DC |
| John Shoup | shoupe001joh | 1884 | 6/-8/ | Springfield | Ohio State League | Springfield, OH | |
| Lev Shreve | shreve001lev | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Fred Siegel | siegel001joh | 1884 | Philadelphia Sommers | Independent | Philadelphia, PA | ||
| Fred Siegel | siegel001joh | 1884 | 6/9-6/24 | 8 g. | Philadelphia | Union Association | Philadelphia, PA |
| John Siegel | siegel002joh | 1884 | +6/13+ | Portsmouth Riversides | Ohio State League | Portsmouth, OH | |
| John Siegel | siegel002joh | 1884 | -9/30 | 3 g. | Dayton Gem Citys | Ohio State League | Dayton, OH |
| Frank Siffell | siffel001fra | 1884 | 6/14- | 7 g. | Philadelphia | American Association | Philadelphia, PA |
| Ed Silch | silch-001ed- | 1884 | Dallas | Independent | Dallas, TX | ||
| Joe Simmons | simmon001joe | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Joe Simmons | simmon001joe | 1884 | -9/12 | 18 g. | Wilmington | Union Association | Wilmington, DE |
| Hank Simon | simon-001hen | 1884 | Utica | Amat | Utica, NY | ||
| Ed Sixsmith | sixsmi001ed- | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| Ed Sixsmith | sixsmi001ed- | 1884 | 9/11 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| Frank Skelton | skelto001fra | 1884 | 5/1-8/1 | Boston Reserves | Massachusetts State Association | Boston, MA | |
| Skinner | skinne001--- | 1884 | 4 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Skinner | skinne003--- | 1884 | 5/14 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Al Skinner | skinne001al- | 1884 | 7/12 | 1 g. | Baltimore | Union Association | Baltimore, MD |
| Al Skinner | skinne001al- | 1884 | 7/16 | 1 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| A. M. Slade | 1884 | no g. | Harrisburg Olympics | Eastern League | Harrisburg, PA | ||
| Art Sladen | sladen001art | 1884 | 8/22-8/25 | 2 g. | Boston | Union Association | Boston, MA |
| Mike Slattery | slatte001mik | 1884 | 4/17- | 106 g. | Boston | Union Association | Boston, MA |
| C. Slaughter | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| Smead | smead-001--- | 1884 | Madison Adelberts | Independent | Madison, | ||
| Smead | smead-001--- | 1884 | 7/10 | Muskegon | Northwestern League | Muskegon, MI | |
| Bill Smiley | smiley001bil | 1884 | 5/1-6/21 | Richmond Virginias | Eastern League | Richmond, VA | |
| Smith | smith-002--- | 1884 | 6/5 | 1 g. | Baltimore | Union Association | Baltimore, MD |
| Smith | smith-127--- | 1884 | 2 g. | San Francisco Occidental | California League | San Francisco, CA | |
| Smith | smith-041--- | 1884 | 5/14-5/24 | Willimantic | Connecticut State League | Willimantic, CT | |
| Smith | smith-061--- | 1884 | 7/16-7/18 | Rockville | Connecticut State League | Rockville, CT | |
| A.G. Smith | smith-003a-- | 1884 | Tama City | Independent | Tama City, IA | ||
| Bill Smith | smith-007bil | 1884 | 9/17 | 1 g. | Cleveland | National League | Cleveland, OH |
| Billy Smith | 1884 | New Orleans | Independent | New Orleans, LA | |||
| Ed Smith | smith-002ed- | 1884 | 4/18-5/22Â | 9 g. | Baltimore | Union Association | Baltimore, MD |
| Edgar Smith | smith-002edg | 1884 | +9/11+ | Bridgeport | Independent | Bridgeport, CT | |
| Edgar Smith | smith-003edg | 1884 | 14 g. | Washington | American Association | Washington, DC | |
| Ernest Smith | smith-003ern | 1884 | 5/28 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Ernest Smith | smith-003ern | 1884 | 6/16-9/18 | Allentown Dukes | Eastern League | Allentown, PA | |
| Frank Smith | smith-014fra | 1884 | 5/2-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Frank Smith | smith-014fra | 1884 | 8/6-10/3 | 10 g. | Pittsburgh | American Association | Pittsburgh, PA |
| George Smith | smith-029geo | 1884 | 5/1-5/5 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Germany Smith | smith-013geo | 1884 | 4/17-5/31 | 25 g. | Altoona | Union Association | Altoona, PA |
| Germany Smith | smith-013geo | 1884 | Altoona Browns | Independent | Altoona, PA | ||
| Germany Smith | smith-013geo | 1884 | 72 g. | Cleveland | National League | Cleveland, OH | |
| Harry Smith | smith-019har | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| Harry Smith | smith-019har | 1884 | Akron | Independent | Akron, OH | ||
| Harry Smith | smith-019har | 1884 | 5/16-5/21 | Stillwater | Northwestern League | Stillwater, MN | |
| Harry Smith | smith-024har | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Harry Smith | smith-028har | 1884 | Cleveland Reserves | Independent | Cleveland, OH | ||
| Harry Smith | smith-028har | 1884 | 5/15-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Harry Smith | smith-028har | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| Harry Smith | smith-019har | 1884 | Saginaw Greys | Northwestern League | Saginaw, MI | ||
| Hugh Smith | smith-004hug | 1884 | 2 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Hugh Smith | smith-004hug | 1884 | 4 g. | San Francisco | California League | San Francisco, CA | |
| John Smith | smith-043joh | 1884 | 2 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| John Smith | smith-043joh | 1884 | 4 g. | San Francisco | California League | San Francisco, CA | |
| John Smith | smith-054joh | 1884 | 5/2?-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| L. Smith | smith-005l-- | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| Leo Smith | smith-007leo | 1884 | 5/1-9/20 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Lewis Smith | smith-003l-- | 1884 | York | Keystone Association | York, PA | ||
| Lewis Smith | smith-003l-- | 1884 | 7/18-9/20 | York White Roses | Eastern League | York, PA | |
| Pacer Smith | smith-041cha | 1884 | Nobleview | Independent | Nobleview, IN | ||
| Peter Smith | smith-006pet | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| Phenomenal Smith | smith-013joh | 1884 | 8/14- | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Phenomenal Smith | smith-013joh | 1884 | 1 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Pop Smith | smith-001pop | 1884 | 108 g. | Columbus | American Association | Columbus, OH | |
| Skyrocket Smith | smith-001sky | 1884 | 5/5+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| John Sneed | sneed-002joh | 1884 | 5/1- | 27 g. | Indianapolis | American Association | Indianapolis, IN |
| Snow | 1884 | 6/28 | Waltham | Massachusetts State Association | Waltham, MA | ||
| Charles Snow | snow--003cha | 1884 | 5/3-5/31 | New Britain | Connecticut State League | New Britain, CT | |
| Charles Snow | snow--003cha | 1884 | +7/18+ | Foot Guards | CT-Military | , | |
| Emanuel Snyder | snyder001red | 1884 | 5/1-8/12 | Wilmington Quicksteps | Eastern League | Wilmington, DE | |
| Emanuel Snyder | snyder001red | 1884 | -9/12 | 17 g. | Wilmington | Union Association | Wilmington, DE |
| Herman Snyder | snyder004h-- | 1884 | +5/30-7/21+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Herman Snyder | snyder004h-- | 1884 | New Brighton | Iron & Oil Association | New Brighton, PA | ||
| Pop Snyder | snyder001pop | 1884 | 67 g. | Cincinnati | American Association | Cincinnati, OH | |
| Charles Soby | soby--001cha | 1884 | 5/3-9/24 | Hartford | Connecticut State League | Hartford, CT | |
| Somers | somers009--- | 1884 | +5/22-7/19+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| Joe Sommer | sommer001joe | 1884 | 107 g. | Baltimore | American Association | Baltimore, MD | |
| John Souther | southe002joh | 1884 | 6/28-7/9 | Meriden | Connecticut State League | Meriden, CT | |
| John Souther | southe002joh | 1884 | New Milford | Independent | New Milford, CT | ||
| John Souther | southe002joh | 1884 | Fitchburg | Independent | Fitchburg, MA | ||
| Len Sowders | sowder001len | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Speakman | speakm001--- | 1884 | Littlestown | Keystone Association | Littlestown, PA | ||
| Harry Spence | spence001har | 1884 | 5/1-5/19 | Baltimore Monumentals | Eastern League | Baltimore, MD | |
| Harry Spence | spence001har | 1884 | 6/2-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Frank Spill | spill-001fra | 1884 | 5/2-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Spillace | spilla002--- | 1884 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Sprague | spragu005--- | 1884 | +7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| E.B. Sproul | sproul001e-- | 1884 | +5/16-6/7+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Frank Sproul | sproul002fra | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| Daniel Spry | spry--001dan | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Edward St. Lawrence | stlawr001edw | 1884 | 5/16-7/10 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Joe Stanley | stanle001joe | 1884 | +4/21+ | Philadelphia Archers | Independent | Philadelphia, PA | |
| Joe Stanley | stanle001joe | 1884 | 4/24-6/18 | 6 g. | Baltimore | Union Association | Baltimore, MD |
| Joe Stanley | stanle001joe | 1884 | +6/30+ | Philadelphia Archers | Independent | Philadelphia, PA | |
| Frank Stannard | stanna001fra | 1884 | 5/10-5/16 | Hartford | Connecticut State League | Hartford, CT | |
| Edward Stapleton | staple002edw | 1884 | 5/2-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Joe Start | start-001joe | 1884 | 93 g. | Providence | National League | Providence, RI | |
| Dan Stearns | stearn002dan | 1884 | 100 g. | Baltimore | American Association | Baltimore, MD | |
| Fred Stein | stein-001fre | 1884 | 7 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Simmons Steiner | steine001sim | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Simmons Steiner | steine001sim | 1884 | 7/14-7/15 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| Bill Stemmyer | stemme001bil | 1884 | 5/5-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Benjamin Stephens | stephe002ben | 1884 | 5/5-8/9 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Stevens | steven028--- | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| Stevens | steven028--- | 1884 | Lancaster | Independent | Lancaster, PA | ||
| Frank Stevens | steven002fra | 1884 | Leadville | Independent | Leadville, CO | ||
| George Stimmel | stimme001geo | 1884 | 7/9-8/10 | Salem | Massachusetts State Association | Salem, MA | |
| Stine | stine-002--- | 1884 | 6/17-6/20 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Harry Stine | stine-001har | 1884 | Dayton Gem Citys | Independent | Dayton, OH | ||
| Len Stockwell | stockw001len | 1884 | 5/1-7/25 | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| Len Stockwell | stockw001len | 1884 | 2 g. | Louisville | American Association | Louisville, KY | |
| Stoltz | stoltz001--- | 1884 | 7/14 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |
| George Stone | stone-005geo | 1884 | 5/1-8/12 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| George Stone | stone-005geo | 1884 | 8/19-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| C. F. Stoner | 1884 | 8/- | Lancaster Ironsides | Eastern League | Lancaster, PA | ||
| Harry Stovey | stovey001har | 1884 | 104 g. | Philadelphia | American Association | Philadelphia, PA | |
| Ed Stratton | stratt001ed- | 1884 | 5/5-7/17 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ed Stratton | stratt001ed- | 1884 | Norfolk | Independent | Norfolk, VA | ||
| Joe Straub | straub001joe | 1884 | 5/1-8/17 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Joe Straub | straub001joe | 1884 | Oconto | Independent | Oconto, WI | ||
| Joe Strauss | straus001joe | 1884 | 5/2-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Joe Strauss | straus001joe | 1884 | 7/27- | 16 g. | Kansas City | Union Association | Kansas City, MO |
| Charles Strick | strick001cha | 1884 | Erie | Independent | Erie, PA | ||
| Cub Stricker | strick001cub | 1884 | 107 g. | Philadelphia | American Association | Philadelphia, PA | |
| George Strief | strief001geo | 1884 | 48 g. | St. Louis Browns | American Association | St. Louis, MO | |
| George Strief | strief001geo | 1884 | 15 g. | Kansas City | Union Association | Kansas City, MO | |
| George Strief | strief001geo | 1884 | 15 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| George Strief | strief001geo | 1884 | 8 g. | Cleveland | National League | Cleveland, OH | |
| Joseph Strobb | 1884 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |||
| Strock | strock001--- | 1884 | 7/9-7/10 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Al Strueve | struev001al- | 1884 | 3/1-6/2 | 21 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Al Strueve | struev001al- | 1884 | 6/22-6/24 | 2 g. | St. Louis Browns | American Association | St. Louis, MO |
| Al Strueve | struev001al- | 1884 | 8/3 | Evansville | Northwestern League | Evansville, IN | |
| Al Strueve | struev001al- | 1884 | Evansville | Independent | Evansville, IN | ||
| Arthur Stuart | stuart001art | 1884 | Amherst Col. | College | , | ||
| Arthur Stuart | stuart001art | 1884 | Fitchburg | Independent | Fitchburg, MA | ||
| Joe Stuart | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | |||
| Albert Stump | stump-001alb | 1884 | 5/3-8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Robert Sturgeon | sturge003rob | 1884 | 5/1-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| Succor | succor001--- | 1884 | 9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Tony Suck | suck--001ton | 1884 | -10/15 | 53 g. | Chicago-Pittsburgh | Union Association | Chicago, IL |
| Tony Suck | suck--001ton | 1884 | 3 g. | Baltimore | Union Association | Baltimore, MD | |
| Benjamin Sullivan | sulliv003ben | 1884 | North Platte | Independent | North Platte, | ||
| Charlie Sullivan | sulliv003cha | 1884 | 1 g. | San Francisco | California League | San Francisco, CA | |
| Dan Sullivan | sulliv007dan | 1884 | 63 g. | Louisville | American Association | Louisville, KY | |
| Dave Sullivan | sulliv006dav | 1884 | 90 g. | MLB Umpire | American Association | , | |
| Fleury Sullivan | sulliv001fle | 1884 | 5/3-10/15 | 54 g. | Pittsburgh | American Association | Pittsburgh, PA |
| James Sullivan | sulliv015jam | 1884 | Chatham | Independent | Chatham, | ||
| James Sullivan | sulliv014jam | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| John Sullivan | 1884 | Providence | Providence, RI | ||||
| Joseph Sullivan | sulliv009jos | 1884 | Nashville | Independent | Nashville, TN | ||
| Mike Sullivan | sulliv001mik | 1884 | Webster | Independent | Webster, MA | ||
| Mike Sullivan | sulliv001mik | 1884 | 5/17-7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Mike Sullivan | sulliv001mik | 1884 | 7/17-7/19 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| Mike Sullivan | sulliv001mik | 1884 | 7/23-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| P. Sullivan | 1884 | Nashville | Independent | Nashville, TN | |||
| P. Sullivan | 1884 | Memphis Reds | Independent | Memphis, TN | |||
| Pat Sullivan | sulliv002pat | 1884 | 5/2-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Pat Sullivan | sulliv002pat | 1884 | 8/30-10/19 | 31 g. | Kansas City | Union Association | Kansas City, MO |
| Sleeper Sullivan | sulliv001sle | 1884 | 1 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| T.J. Sullivan | sulliv002t-- | 1884 | 5/24-7/23 | Willimantic | Connecticut State League | Willimantic, CT | |
| Ted Sullivan | sulliv001tp- | 1884 | 39 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Ted Sullivan | sulliv001tp- | 1884 | 7/3-7/5 | Richmond Virginias | Eastern League | Richmond, VA | |
| Ted Sullivan | sulliv001tp- | 1884 | 7/16-10/18 | 3 g. | Kansas City | Union Association | Kansas City, MO |
| Tom Sullivan | sulliv001tom | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Tom Sullivan | sulliv001tom | 1884 | 9/27- | 4 g. | Columbus | American Association | Columbus, OH |
| William Sullivan | sulliv015wil | 1884 | 5/29 | 1 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| William Sullivan | sulliv014wil | 1884 | 5/7-5/? | Youngstown | Iron & Oil Association | Youngstown, OH | |
| William Sullivan | sulliv014wil | 1884 | Akron | Independent | Akron, OH | ||
| B. Sully | 1884 | Seneca Falls | Empire | Seneca Falls, NY | |||
| B. Sully | sully-001b-- | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Art Sunday | sunday001art | 1884 | St. Joseph | Independent | St. Joseph, MO | ||
| Billy Sunday | sunday001bil | 1884 | 43 g. | Chicago | National League | Chicago, IL | |
| Elmer Sutcliffe | sutcli001sy- | 1884 | 10/2- | 4 g. | Chicago | National League | Chicago, IL |
| Ezra Sutton | sutton001ezr | 1884 | 110 g. | Boston | National League | Boston, MA | |
| Andy Swan | swan--001and | 1884 | 5/1-6/24 | Newark Domestics | Eastern League | Newark, NJ | |
| Andy Swan | swan--001and | 1884 | 7/23-7/? | 5 g. | Washington | American Association | Washington, DC |
| Andy Swan | swan--001and | 1884 | 10/10-10/13 | 3 g. | Richmond | American Association | Richmond, VA |
| Billy Swanton | swanto001bil | 1884 | 8 g. | San Francisco | California League | San Francisco, CA | |
| Ed Swartwood | swartw001ed- | 1884 | 102 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Charlie Sweasy | sweasy001cha | 1884 | 6/4-6/5 | Newark Domestics | Eastern League | Newark, NJ | |
| Sweeney | sweene017--- | 1884 | 7/11 | Worcester | Massachusetts State Association | Worcester, MA | |
| Bernard Sweeney | sweene001ber | 1884 | -9/30 | Hamilton | Ohio State League | Hamilton, OH | |
| Bill Sweeney | sweene001bil | 1884 | 4/17-10/14 | 74 g. | Baltimore | Union Association | Baltimore, MD |
| Bryan Sweeney | sweene001bry | 1884 | Holyoke | Independent | Holyoke, MA | ||
| Bryan Sweeney | sweene001bry | 1884 | 5/27-5/31 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Charlie Sweeney | sweene004cha | 1884 | 41 g. | Providence | National League | Providence, RI | |
| Charlie Sweeney | sweene004cha | 1884 | 45 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Jerry Sweeney | sweene001jer | 1884 | 5/2-8/9 | Quincy Quincys | Northwestern League | Quincy, IL | |
| Jerry Sweeney | sweene001jer | 1884 | 8/22-10/16 | 31 g. | Kansas City | Union Association | Kansas City, MO |
| Pete Sweeney | sweene001pet | 1884 | 6 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Rooney Sweeney | sweene001roo | 1884 | 48 g. | Baltimore | Union Association | Baltimore, MD | |
| Swift | swift-001--- | 1884 | 5/24 | Allentown Dukes | Eastern League | Allentown, PA | |
| J.A. Swift | swift-001ja- | 1884 | +5/26-7/16+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Lou Sylvester | sylves002lou | 1884 | 4/18- | 82 g. | Cincinnati | Independent | Cincinnati, OH |
| Lou Sylvester | sylves002lou | 1884 | 82 g. | Cincinnati | Union Association | Cincinnati, OH | |
| Talcott | talcot002--- | 1884 | 8/13- | Rockville | Connecticut State League | Rockville, CT | |
| Lewis Talley | talley001lew | 1884 | 5/5-8/9 | Franklin | Iron & Oil Association | Franklin, PA | |
| George Tanner | tanner001geo | 1884 | 6/14 | Willimantic | Connecticut State League | Willimantic, CT | |
| Edward Tate | tate--001pop | 1884 | Richmond Virginias | Eastern League | Richmond, VA | ||
| Edward Tate | tate--001pop | 1884 | Norfolk | Independent | Norfolk, VA | ||
| Taylor | taylor043--- | 1884 | 7/14-7/19 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Taylor | taylor068--- | 1884 | 8/20 | Willimantic | Connecticut State League | Willimantic, CT | |
| Billy Taylor | taylor001bil | 1884 | 43 g. | St. Louis Maroons | Union Association | St. Louis, MO | |
| Billy Taylor | taylor001bil | 1884 | 30 g. | Philadelphia | American Association | Philadelphia, PA | |
| Charles Taylor | 1884 | Utica | Independent | Utica, NY | |||
| George Taylor | taylor005geo | 1884 | 5/1-10/15 | g. | Brooklyn | American Association | Brooklyn, NY |
| Live Oak Taylor | taylor001liv | 1884 | -7/30 | 41 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Live Oak Taylor | taylor001liv | 1884 | Union Pacific | Independent | Omaha, NE | ||
| W. C. Taylor | 1884 | Buffalo Niagara | Independent | Buffalo, NY | |||
| George Tebeau | tebeau002geo | 1884 | St. Louis Shamrock | Amateur | St. Louis, MO | ||
| Fred Tenney | tenney002fre | 1884 | 4/28- | 1 g. | Washington | Union Association | Washington, DC |
| Fred Tenney | tenney002fre | 1884 | 4 g. | Boston | Union Association | Boston, MA | |
| Fred Tenney | tenney002fre | 1884 | 8/28 | 1 g. | Wilmington | Union Association | Wilmington, DE |
| Edmund Terrien | terrie001edm | 1884 | 5/3-5/29 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Terry | 1884 | Yale Univ. | College | , | |||
| Terry | 1884 | Metropolitans | Independent | , | |||
| Adonis Terry | terry-001ado | 1884 | 5/1- | 67 g. | Brooklyn | American Association | Brooklyn, NY |
| A.J. Thomas | thomas005a-- | 1884 | 5/5-6/6+ | Youngstown | Iron & Oil Association | Youngstown, OH | |
| William Thomas | thomas015wil | 1884 | 5/10-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| William Thomas | thomas015wil | 1884 | 9/10-9/20 | Hartford | Connecticut State League | Hartford, CT | |
| Thompson | 1884 | Brooklyn | Independent | Brooklyn, NY | |||
| Andrew Thompson | thomps007and | 1884 | 7/23-9/7 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Andrew Thompson | thomps007and | 1884 | 9/27-10/13 | g. | St. Paul | Union Association | St. Paul, MN |
| Arthur Thompson | thomps005art | 1884 | Brooklyn Atlantics | Eastern League | Brooklyn, NY | ||
| Sam Thompson | thomps002sam | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Tug Thompson | thomps001tug | 1884 | -7/4 | 24 g. | Indianapolis | American Association | Indianapolis, IN |
| Tug Thompson | thomps001tug | 1884 | London Ontario | Independent | London, ON | ||
| James Thyne | thyne-001jam | 1884 | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | ||
| Mike Tiernan | tierna001mik | 1884 | 5/10-6/7 | Chambersburg | Keystone Association | Chambersburg, PA | |
| Mike Tiernan | tierna001mik | 1884 | 8/?-10/8 | Williamsport | Independent | Williamsport, PA | |
| Bill Tierney | tierne001bil | 1884 | 4/24 | 1 g. | Baltimore | Union Association | Baltimore, MD |
| Till | till--001--- | 1884 | 5/31-7/26 | Rockville | Connecticut State League | Rockville, CT | |
| John Tilley | tilley001joh | 1884 | 17 g. | Toledo | American Association | Toledo, OH | |
| John Tilley | tilley001joh | 1884 | 7/7-9/? | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| John Tilley | tilley001joh | 1884 | -10/13 | 9 g. | St. Paul | Union Association | St. Paul, MN |
| Timblin | 1884 | 10/3-10/9 | MLB Umpire | Union Association | , | ||
| Robert Tindall | tindal001rob | 1884 | 5/8 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Thomas Tinney | tinney000tho | 1884 | 4/28-6/24 | 32 g. | Washington | Union Association | Washington, DC |
| Bill Tobin | tobin-001bil | 1884 | 5/14-8/30 | Hartford | Connecticut State League | Hartford, CT | |
| George Toffling | toffli001geo | 1884 | 5/28-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| F.K. Tomer | tomer-001f-- | 1884 | 5/7-7/16 | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| F.K. Tomer | tomer-001f-- | 1884 | 8/?- | Pittsburgh Athletics | Independent | Pittsburgh, PA | |
| Phil Tomney | tomney001phi | 1884 | 5/20-6/17 | Reading Actives | Eastern League | Reading, PA | |
| Phil Tomney | tomney001phi | 1884 | 7/1-9/18 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Phil Tomney | tomney001phi | 1884 | -10/1 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Edward Toohey | toohey001edw | 1884 | 5/10-8/30 | Willimantic | Connecticut State League | Willimantic, CT | |
| Toole | toole-002--- | 1884 | 8/1-8/7 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Toole | toole-001--- | 1884 | Springfield | Ohio State League | Springfield, OH | ||
| Steve Toole | toole-001ste | 1884 | +5/12-6/25+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| Frank Torreyson | torrey001fra | 1884 | McKeesport | Independent | McKeesport, PA | ||
| Teddie Toughey | toughe001ted | 1884 | 5/1-5/2 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Jack Towart | towart001jac | 1884 | New York Alaskas | Independent | New York, NY | ||
| Jim Toy | toy---001jim | 1884 | +5/12-6/25+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| Bill Traffley | traffl001bil | 1884 | 53 g. | Baltimore | American Association | Baltimore, MD | |
| Charles Trask | trask-001cha | 1884 | 5/3-5/10 | Lynn | Massachusetts State Association | Lynn, MA | |
| Charles Trask | trask-001cha | 1884 | 7/5 | Salem | Massachusetts State Association | Salem, MA | |
| Jim Tray | tray--001jim | 1884 | -6/ | Allentown Reserves | Independent | Allentown, PA | |
| Jim Tray | tray--001jim | 1884 | 6/17-8/13 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Jim Tray | tray--001jim | 1884 | 9/6- | 6 g. | Indianapolis | American Association | Indianapolis, IN |
| William Trimble | trimbl001wil | 1884 | Meriden Athletic | Independent | Meriden, CT | ||
| William Trimble | trimbl001wil | 1884 | 5/24-8/2 | Rockville | Connecticut State League | Rockville, CT | |
| Sam Trott | trott-001sam | 1884 | 71 g. | Baltimore | American Association | Baltimore, MD | |
| Dasher Troy | troy--001das | 1884 | 107 g. | New York | American Association | New York, NY | |
| Pete Troy | 1884 | New York Delawares | Independent | New York, NY | |||
| Pete Troy | 1884 | Augusta Clinchs | Georgia State League | Augusta, GA | |||
| Ed Trumbull | trumbu001ed- | 1884 | 5/10-7/28 | 25 g. | Washington | American Association | Washington, DC |
| Ed Trumbull | trumbu001ed- | 1884 | 8/9-8/13 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Sheppard Trusty | 1884 | Philadelphia Orions | Independent | Philadelphia, PA | |||
| Tommy Tucker | tucker003tho | 1884 | 5/1-8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Jerry Turbidy | turbid001jer | 1884 | 5/3-7/22 | Bay City | Northwestern League | Bay City, MI | |
| Jerry Turbidy | turbid001jer | 1884 | 7/27-8/13 | 13 g. | Kansas City | Union Association | Kansas City, MO |
| Jerry Turbidy | turbid001jer | 1884 | 9/6 | Hartford | Connecticut State League | Hartford, CT | |
| Turner | turner001--- | 1884 | Light Guards | Military | , | ||
| Turner | turner001--- | 1884 | 5/31-7/4 | Hartford | Connecticut State League | Hartford, CT | |
| Turner | turner001--- | 1884 | 7/26-10/4 | New Britain | Connecticut State League | New Britain, CT | |
| Benjamin Tuthill | tuthil001ben | 1884 | 5/1-9/7 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Art Twineham | twineh002art | 1884 | St. Joseph | Independent | St. Joseph, MO | ||
| Robert Tyler | tyler-002rob | 1884 | 5/3-6/3 | New Britain | Connecticut State League | New Britain, CT | |
| Robert Tyler | tyler-002rob | 1884 | 10/4-10/6 | New Britain | Connecticut State League | New Britain, CT | |
| Jim Tyng | tyng--001jim | 1884 | Staten Island | Independent | Staten Island, NY | ||
| Will Umbach | umbach001wil | 1884 | 8/19-8/28 | Winona Clippers | Northwestern League | Winona, MN | |
| Underwood | 1884 | Norfolk | Independent | Norfolk, VA | |||
| J. D. Updegrove | 1884-87 | Lafayette Col. | College | , | |||
| Gene Vadeboncoeur | vadebo001gen | 1884 | Akron | Independent | Akron, OH | ||
| Gene Vadeboncoeur | vadebo001gen | 1884 | 7/11-7/22 | 4 g. | Philadelphia | National League | Philadelphia, PA |
| Gene Vadeboncoeur | vadebo001gen | 1884 | Mechanic. | Independent | , | ||
| Gene Vadeboncoeur | vadebo001gen | 1884 | 8/23-9/20 | York White Roses | Eastern League | York, PA | |
| John Valentine | valent003joh | 1884 | 5/1- | 104 g. | MLB Umpire | American Association | , |
| Hobart Van Alstyne | vanals001hob | 1884 | Syracuse | Independent | Syracuse, NY | ||
| Eugene Van Court | vancou001eug | 1884 | 5/1-8/7 | MLB Umpire | National League | , | |
| Bill Van Dyke | vandyk001bil | 1884 | 5/1-8/5 | Terre Haute | Northwestern League | Terre Haute, IN | |
| George Van Haltren | vanhal001geo | 1884 | Oakland | Independent | Oakland, CA | ||
| Joe Van Lewen | vanlew001--- | 1884 | +5/15-5/22+ | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | |
| Joe Van Lewen | vanlew001--- | 1884 | 9/1 | Quincy Quincys | Northwestern League | Quincy, IL | |
| W.M. Van Sickles | vansic001w-- | 1884 | no g. | Grand Rapids | Northwestern League | Grand Rapids, MI | |
| John Vaughn | vaughn001joh | 1884 | 8/15 | Holyoke | Massachusetts State Association | Holyoke, MA | |
| Peek-A-Boo Veach | veach-001pee | 1884 | 7/30-8/4 | Evansville | Northwestern League | Evansville, IN | |
| Peek-A-Boo Veach | veach-001pee | 1884 | Evansville | Independent | Evansville, IN | ||
| Peek-A-Boo Veach | veach-001pee | 1884 | 8/24- | 27 g. | Kansas City | Union Association | Kansas City, MO |
| Vetter | 1884 | Warren | Independent | Warren, PA | |||
| George Vincent | 1884 | no g. | Minneapolis Millers | Northwestern League | Minneapolis, MN | ||
| George Vincent | 1884 | Vincennes | Independent | Vincennes, IN | |||
| Bill Vinton | vinton001bil | 1884 | Phillips Andover | School | , | ||
| Bill Vinton | vinton001bil | 1884 | 7/3- | 21 g. | Philadelphia | National League | Philadelphia, PA |
| Joe Visner | visner001joe | 1884 | 5/3-8/4 | Stillwater | Northwestern League | Stillwater, MN | |
| Joe Visner | visner001joe | 1884 | Union Pacific | Independent | Omaha, NE | ||
| Philip Voegtle | voetle001--- | 1884 | Lebanon | Independent | Lebanon, IL | ||
| W.J. Voelker | voelke001w-- | 1884 | 5/30-7/28+ | Oil City | Iron & Oil Association | Oil City, PA | |
| William Voltz | voltz-001wil | 1884 | Akron | Independent | Akron, OH | ||
| Alex Voss | voss--001ale | 1884 | 4/17-9/12 | 63 g. | Washington | Union Association | Washington, DC |
| Alex Voss | voss--001ale | 1884 | 14 g. | Kansas City | Union Association | Kansas City, MO | |
| Wade | 1884 | +9/16+ | Jersey City | Independent | Jersey City, NJ | ||
| Frank Wadsworth | wadswo001fra | 1884 | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | ||
| George Wadsworth | wadswo001geo | 1884 | 6/11-8/15 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| George Wagner | 1884 | 3/1-5/30 | 25 g. | St. Louis Reserves | Independent | St. Louis, MO | |
| Charlie Waitt | waitt-001cha | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| Charlie Waitt | waitt-001cha | 1884 | 7/?- | Lancaster | Independent | Lancaster, PA | |
| Walker | 1884 | Columbus Stars | Georgia State League | Columbus, GA | |||
| Clarence Walker | walsh-002cla | 1884 | Columbus Stars | Georgia State League | Columbus, GA | ||
| Fleet Walker | walker001fle | 1884 | 5/1-9/4 | 42 g. | Toledo | American Association | Toledo, OH |
| George Walker | walker002geo | 1884 | 7/5-7/14 | Hamiton Baysides | Independent | Hamiton, ON | |
| George Walker | walker002geo | 1884 | Stratford | Independent | Stratford, ON | ||
| Oscar Walker | walker002osc | 1884 | -9/4 | 95 g. | Brooklyn | American Association | Brooklyn, NY |
| Walt Walker | walker001wal | 1884 | 5/8 | 1 g. | Detroit | National League | Detroit, MI |
| Walt Walker | walker001wal | 1884 | 6/3-9/2 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Welday Walker | walker001wel | 1884 | 7/15-8/6 | 5 g. | Toledo | American Association | Toledo, OH |
| Howard Wall | wall--002how | 1884 | Washington Waverlys | WashAmat | Washington, DC | ||
| John Walmsley | walmsl001joh | 1884 | 5/2-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| James Walsh | walsh-012jam | 1884 | Rock Island | Independent | Rock Island, IL | ||
| James Walsh | walsh-012jam | 1884 | Union Pacific | Independent | Omaha, NE | ||
| John Walsh | walsh-059--- | 1884 | 5/17-7/4 | Waltham | Massachusetts State Association | Waltham, MA | |
| John Walsh | walsh-059--- | 1884 | Newburg | Independent | Newburg, NY | ||
| John Walsh | walsh-015joh | 1884 | 5/10-7/22 | Muskegon | Northwestern League | Muskegon, MI | |
| John Walsh | walsh-015joh | 1884 | 8/21-9/3 | Winona Clippers | Northwestern League | Winona, MN | |
| Mickey Walsh | walsh-005mic | 1884 | Plainfield | Independent | Plainfield, CT | ||
| Mickey Walsh | walsh-005mic | 1884 | 5/16-10/6 | Meriden | Connecticut State League | Meriden, CT | |
| Mike Walsh | walsh-001mik | 1884 | 5/1-10/15 | g. | Louisville | American Association | Louisville, KY |
| John Wamsley | 1884 | no g. | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | ||
| Ward | ward--001--- | 1884 | 6/14 | Hartford | Connecticut State League | Hartford, CT | |
| E.J. Ward | ward--003e-- | 1884 | 5/1-5/9 | Allentown Dukes | Eastern League | Allentown, PA | |
| E.J. Ward | ward--003e-- | 1884 | Warren | Independent | Warren, PA | ||
| John Ward | ward--002mon | 1884 | 113 g. | New York | National League | New York, NY | |
| John Ward | ward--008joh | 1884 | 3/1-5/30 | 25 g. | St. Louis Reserves | Independent | St. Louis, MO |
| John Ward | ward--007joh | 1884 | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | ||
| John Ward | ward--007joh | 1884 | 5/23 | 1 g. | Washington | Union Association | Washington, DC |
| Edward Warner | warner003edw | 1884 | 5/2-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Edward Warner | warner003edw | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| Fred Warner | warner003fre | 1884 | 84 g. | Brooklyn | American Association | Brooklyn, NY | |
| L. Washington | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| Bill Watkins | watkin002bil | 1884 | 5/2-7/18 | Bay City | Northwestern League | Bay City, MI | |
| Bill Watkins | watkin002bil | 1884 | 8/1-10/13 | 35 g. | Indianapolis | American Association | Indianapolis, IN |
| Arthur Watson | watson004art | 1884 | 5/3-5/21 | Lawrence | Massachusetts State Association | Lawrence, MA | |
| G.H. Weakley | weakle001g-- | 1884 | Nashville | Independent | Nashville, TN | ||
| Sam Weaver | weaver001sam | 1884 | 20 g. | Philadelphia | Union Association | Philadelphia, PA | |
| Harry Weber | weber-001har | 1884 | 7/22-7/31 | 3 g. | Indianapolis | American Association | Indianapolis, IN |
| Harry Weber | weber-001har | 1884 | 7/25 | Muskegon | Northwestern League | Muskegon, MI | |
| Joe Weber | weber-001joe | 1884 | 7/22-7/31 | 2 g. | Detroit | National League | Detroit, MI |
| August Weidel | weidel001aug | 1884 | 5/1-7/4 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| August Weidel | weidel001aug | 1884 | 7/9-9/19 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| George Weidman | wiedma001stu | 1884 | 81 g. | Detroit | National League | Detroit, MI | |
| George Weigand | weigan001geo | 1884 | 5/1-9/18 | Newark Domestics | Eastern League | Newark, NJ | |
| Podge Weihe | weihe-001pod | 1884 | Cincinnati Reserves | Independent | Cincinnati, OH | ||
| Podge Weihe | weihe-001pod | 1884 | -9/25 | 63 g. | Indianapolis | American Association | Indianapolis, IN |
| Hugh Weir | weir--001hug | 1884 | +5/12-6/25+ | New Brighton | Iron & Oil Association | New Brighton, PA | |
| Hugh Weir | weir--001hug | 1884 | +8/9 | Oil City | Iron & Oil Association | Oil City, PA | |
| Curt Welch | welch-001cur | 1884 | 5/1 - | 109 g. | Toledo | American Association | Toledo, OH |
| Mickey Welch | welch-003mic | 1884 | 71 g. | New York | National League | New York, NY | |
| Welsh | welsh-008--- | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Perry Werden | werden001per | 1884 | 4/24 - | 18 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| Joe Werrick | werric001joe | 1884 | 5/1-7/8 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Joe Werrick | werric001joe | 1884 | 8/19-8/20 | Winona Clippers | Northwestern League | Winona, MN | |
| Joe Werrick | werric001joe | 1884 | 8/21 | St. Paul Apostles | Northwestern League | St. Paul, MN | |
| Joe Werrick | werric001joe | 1884 | 9/27- | 9 g. | St. Paul | Union Association | St. Paul, MN |
| Buck West | west--001buc | 1884 | 5/1-8/12 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Buck West | west--001buc | 1884 | 8/24 - | 33 g. | Cincinnati | American Association | Cincinnati, OH |
| Edward West | 1884 | 6/4-8/26 | Umpire | East | , | ||
| George Wetzell | wetzel001sho | 1884 | Lancaster | Keystone Association | Lancaster, PA | ||
| George Wetzell | wetzel001sho | 1884 | Philadelphia August Flowers | Independent | Philadelphia, PA | ||
| George Wetzell | wetzel001sho | 1884 | 7/?-10/1 | Lancaster | Independent | Lancaster, PA | |
| Wheat | wheat-002--- | 1884 | 6/4 | Willimantic | Connecticut State League | Willimantic, CT | |
| Wheeler | 1884 | +9/11+ | Bridgeport | Independent | Bridgeport, CT | ||
| Harry Wheeler | wheele002har | 1884 | 5 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Harry Wheeler | wheele002har | 1884 | 5/27-6/2 | 4 g. | St. Louis Reserves | Independent | St. Louis, MO |
| Harry Wheeler | wheele002har | 1884 | 14 g. | Kansas City | Union Association | Kansas City, MO | |
| Harry Wheeler | wheele002har | 1884 | 37 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Harry Wheeler | wheele002har | 1884 | 17 g. | Baltimore | Union Association | Baltimore, MD | |
| Bobby Wheelock | wheelo001bob | 1884 | Concord | Independent | Concord, NH | ||
| Bill White | white-003bil | 1884 | 5/3 - | 74 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Bill White | white-003bil | 1884 | 8/- | Springfield | Ohio State League | Springfield, OH | |
| Bill White | white-003bil | 1884 | East Liberty Liberty Stars | Iron & Oil Association | East Liberty, OH | ||
| Deacon White | white-002dea | 1884 | 110 g. | Buffalo | National League | Buffalo, NY | |
| Warren White | white-002war | 1884 | -6/27 | 4 g. | Washington | Union Association | Washington, DC |
| Will White | white-019wil | 1884 | 52 g. | Cincinnati | American Association | Cincinnati, OH | |
| Milt Whitehead | whiteh001mil | 1884 | 4/20-10/19 | 99 g. | St. Louis Maroons | Union Association | St. Louis, MO |
| Milt Whitehead | whiteh001mil | 1884 | 5 g. | Kansas City | Union Association | Kansas City, MO | |
| Guerdon Whiteley | whitel001gue | 1884 | Chicago Reserves | Independent | Chicago, IL | ||
| Guerdon Whiteley | whitel001gue | 1884 | 8/7 - | 8 g. | Cleveland | National League | Cleveland, OH |
| James Whitfield | whitfi003jam | 1884 | 5/1-5/28 | Peoria Reds | Northwestern League | Peoria, IL | |
| Ed Whiting | whitin001ed- | 1884 | 42 g. | Louisville | American Association | Louisville, KY | |
| Art Whitney | whitne002art | 1884 | 5/1-8/12 | Saginaw Greys | Northwestern League | Saginaw, MI | |
| Art Whitney | whitne002art | 1884 | -8/22 | 23 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Charles Whitney | whitne002cha | 1884 | Union Pacific | Independent | Omaha, NE | ||
| Frank Whitney | whitne003fra | 1884 | Lowell | Independent | Lowell, MA | ||
| Frank Whitney | whitne003fra | 1884 | 5/10 | Umpire | Mass | , | |
| Frank Whitney | whitne003fra | 1884 | 6/21 | Salem | Massachusetts State Association | Salem, MA | |
| Frank Whitney | whitne003fra | 1884 | Danvers | Independent | Danvers, MA | ||
| Frank Whitney | whitne003fra | 1884 | 7/11 | Umpire | Mass | , | |
| Jim Whitney | whitne001jim | 1884 | 66 g. | Boston | National League | Boston, MA | |
| H. Wier | 1884 | +6/6-6/19+ | New Brighton | Iron & Oil Association | New Brighton, PA | ||
| H. Wier | 1884 | +8/9 | Oil City | Iron & Oil Association | Oil City, PA | ||
| Wilcox | wilcox008--- | 1884 | +6/11+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Wilcox | wilcox014--- | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Joseph Wiley | wiley-002joh | 1884 | -5/ | Chester | Independent | Chester, PA | |
| Joseph Wiley | wiley-002joh | 1884 | 6/23 | 1 g. | Washington | Union Association | Washington, DC |
| C. Wilkinson | wilkin001c-- | 1884 | Meriden Elms | Independent | Meriden, CT | ||
| C. Wilkinson | wilkin001c-- | 1884 | 6/4-9/20 | Meriden | Connecticut State League | Meriden, CT | |
| James Willett | 1884 | New York Alaskas | Independent | New York, NY | |||
| Williams | willia247--- | 1884 | 5/23-6/10 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Williams | 1884 | Philadelphia Wharton | Independent | Philadelphia, PA | |||
| Williams | 1884 | Henderson | NCSt | Henderson, NC | |||
| Arthur Williams | willia004art | 1884 | Lancaster | Independent | Lancaster, PA | ||
| Jimmy Williams | willia004jim | 1884 | 5/1- | 85 g. | St. Louis Browns | American Association | St. Louis, MO |
| S.F. Williams | willia003s-- | 1884 | 5/3-? | Waterbury | Connecticut State League | Waterbury, CT | |
| S.J. Williams | willia005s-- | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| Solomon Williams | 1884 | Baltimore Atlantics | Independent | Baltimore, MD | |||
| Wash Williams | willia001was | 1884 | 5/1-7/21 | Trenton Trentonians | Eastern League | Trenton, NJ | |
| Wash Williams | willia001was | 1884 | 7/30-8/4 | Richmond Virginias | Eastern League | Richmond, VA | |
| Wash Williams | willia001was | 1884 | 8/5 - | 2 g. | Richmond | American Association | Richmond, VA |
| Ed Williamson | willia001ned | 1884 | 107 g. | Chicago | National League | Chicago, IL | |
| Wills | wills-002--- | 1884 | 5/14-7/25 | 4 g. | Washington | American Association | Washington, DC |
| Wills | wills-002--- | 1884 | 5 g. | Kansas City | Union Association | Kansas City, MO | |
| Wilson | wilson107--- | 1884 | 6/21-7/18 | Springfield | Massachusetts State Association | Springfield, MA | |
| Wilson | wilson104--- | 1884 | Westfield Firemen | Independent | Westfield, | ||
| Wilson | wilson104--- | 1884 | 7/2-10/4 | Rockville | Connecticut State League | Rockville, CT | |
| Charles Wilson | wilson002cha | 1884 | Hamiton Clippers | Independent | Hamiton, ON | ||
| James Wilson | wilson021jam | 1884 | 5/19 | Harrisburg Olympics | Eastern League | Harrisburg, PA | |
| John Wilson | 1884 | +7/2-8/1+ | Umpire | Iron&Oil | , | ||
| Tug Wilson | wilson001tug | 1884 | 5/9-7/21 | 24 g. | Brooklyn | American Association | Brooklyn, NY |
| Winchester | winche002--- | 1884 | 5/3-6/1 | New Britain | Connecticut State League | New Britain, CT | |
| George Winkleman | winkle002geo | 1884 | Hamilton | Ohio State League | Hamilton, OH | ||
| John Winslow | winslo001joh | 1884 | Beverly Stars | Independent | Beverly, MA | ||
| John Winslow | winslo001joh | 1884 | 5/3-6/21 | Salem | Massachusetts State Association | Salem, MA | |
| Ansil Winternitz | winter001ans | 1884 | +7/28+ | New Castle Neshannocks | Iron & Oil Association | New Castle, PA | |
| Bill Wise | wise--001bil | 1884 | 4/17- | 85 g. | Washington | Union Association | Washington, DC |
| Sam Wise | wise--001sam | 1884 | 114 g. | Boston | National League | Boston, MA | |
| Chicken Wolf | wolf--001chi | 1884 | 110 g. | Louisville | American Association | Louisville, KY | |
| Abe Wolstenholme | wolste001abe | 1884 | 5/5-7/10+ | Oil City | Iron & Oil Association | Oil City, PA | |
| Fred Wood | wood--001fre | 1884 | 5/14 - | 12 g. | Detroit | National League | Detroit, MI |
| Fred Wood | wood--001fre | 1884 | 10/4 | Hamiton Clippers | Independent | Hamiton, ON | |
| George Wood | wood--004geo | 1884 | 114 g. | Detroit | National League | Detroit, MI | |
| Jeff Wood | wood--001jef | 1884 | Hamiton Clippers | Independent | Hamiton, ON | ||
| Pete Wood | wood--001pet | 1884 | U.of Toronto Med | College | , | ||
| Pete Wood | wood--001pet | 1884 | Hamiton Clippers | Independent | Hamiton, ON | ||
| William Wood | wood--012wil | 1884 | 5/2-8/2 | Fort Wayne Hoosiers | Northwestern League | Fort Wayne, IN | |
| Lyman Woodbury | woodbu001lym | 1884 | 5/3 | Lynn | Massachusetts State Association | Lynn, MA | |
| M. E. Worrell | 1884 | Muskegon | Northwestern League | Muskegon, MI | |||
| Jimmy Woulfe | woulfe001jim | 1884 | 5/16-7/23 | 8 g. | Cincinnati | American Association | Cincinnati, OH |
| Jimmy Woulfe | woulfe001jim | 1884 | 15 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Harry Wright | wright004har | 1884 | Philadelphia | National League | Philadelphia, PA | ||
| Lou Wright | wright001lou | 1884 | 6/7 | Waterbury | Connecticut State League | Waterbury, CT | |
| Parry Wright | 1884 | 7/20-7/22 | MLB Umpire | American Association | , | ||
| Rasty Wright | wright001ras | 1884 | 5/1-8/7 | Muskegon | Northwestern League | Muskegon, MI | |
| Rasty Wright | wright001ras | 1884 | Detroit Cass | Independent | Detroit, MI | ||
| John Wylie | wylie-003joh | 1884 | 5/2-5/27 | Chester | Keystone Association | Chester, PA | |
| Willis Wyman | wyman-002fra | 1884 | 5/3-6/7 | Lynn | Massachusetts State Association | Lynn, MA | |
| Willis Wyman | wyman-001fra | 1884 | 6/10 | 30 g. | Kansas City | Union Association | Kansas City, MO |
| Willis Wyman | wyman-002fra | 1884 | 6/13-6/21 | Lynn | Massachusetts State Association | Lynn, MA | |
| Willis Wyman | wyman-001fra | 1884 | 6/24-8/9 | 30 g. | Kansas City | Union Association | Kansas City, MO |
| Willis Wyman | wyman-001fra | 1884 | 2 g. | Chicago-Pittsburgh | Union Association | Chicago, IL | |
| Henry Yaik | yaik--001hen | 1884 | Detroit Cass | Independent | Detroit, MI | ||
| Henry Yarnell | yarnel001hen | 1884 | 5/2-5/22 | Stillwater | Northwestern League | Stillwater, MN | |
| Henry Yarnell | yarnel001hen | 1884 | 6/19-6/30 | Muskegon | Northwestern League | Muskegon, MI | |
| Henry Yarnell | yarnel001hen | 1884 | 7/? | Stillwater | Northwestern League | Stillwater, MN | |
| Henry Yarnell | yarnel001hen | 1884 | 7/22 | Terre Haute | Northwestern League | Terre Haute, IN | |
| Henry Yarnell | yarnel001hen | 1884 | Pottsville Antharcites | Independent | Pottsville, PA | ||
| Yeager | yeager003--- | 1884 | 5/20-5/29 | Reading Actives | Eastern League | Reading, PA | |
| Edward Yeager | 1884 | Houston | Tx | Houston, TX | |||
| Joe Yetzer | yetzer001--- | 1884 | 7/26 | Reading Goodwill | Independent | Reading, PA | |
| Joe Yetzer | yetzer001--- | 1884 | 7/28 | Reading Actives | Eastern League | Reading, PA | |
| Ed Yewell | yewell001ed- | 1884 | 5/12-8/7 | 27 g. | Washington | American Association | Washington, DC |
| Ed Yewell | yewell001ed- | 1884 | 1 g. | Washington | Union Association | Washington, DC | |
| Tom York | york--001tom | 1884 | 83 g. | Baltimore | American Association | Baltimore, MD | |
| William Yott | yott--001wil | 1884 | 5/15-6/23 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| William Yott | yott--001wil | 1884 | +7/22+ | Chicago Reserves | Independent | Chicago, IL | |
| Young | young-001--- | 1884 | 8/31 | Winona Clippers | Northwestern League | Winona, MN | |
| Ben Young | young-002ben | 1884 | Umpire | NW | , | ||
| Brigham Young | young-005j-- | 1884 | Hamiton Primrose | Independent | Hamiton, ON | ||
| William Zecher | zecher001wil | 1884 | +5/19+ | Littlestown | Keystone Association | Littlestown, PA | |
| William Zecher | zecher001wil | 1884 | 9/15 | Lancaster Ironsides | Eastern League | Lancaster, PA | |
| Henry Zeiher | zeiher001whi | 1884 | +5/5-6/5+ | York | Keystone Association | York, PA | |
| Henry Zeiher | zeiher001whi | 1884 | 7/18-9/19 | York White Roses | Eastern League | York, PA | |
| Harry Zell | zell--001har | 1884 | Dayton Gem Citys | Ohio State League | Dayton, OH | ||
| Zimmer | 1884 | Akron | Independent | Akron, OH | |||
| Charles Zimmer | zimmer001cha | 1884 | Ironton | Ohio State League | Ironton, OH | ||
| Charles Zimmer | zimmer001cha | 1884 | Portsmouth Riversides | Ohio State League | Portsmouth, OH | ||
| Charles Zimmer | zimmer001cha | 1884 | 7/18- | 8 g. | Detroit | National League | Detroit, MI |