exactmatch =
Year =
League =
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There are 567 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| George Adams | adams-005geo | 1881 | Buffalo | Independent | Buffalo, NY | ||
| Bill Ahearn | ahearn002cha | 1881 | Union College | College | , | ||
| Gus Alberts | albert001gus | 1881 | Reading Actives | Independent | Reading, PA | ||
| Andrews | andrew018--- | 1881 | 1 g. | Oakland | New California League | Oakland, CA | |
| Ed Andrews | andrew001ed- | 1881 | Case Western R. | College | , | ||
| Ed Andrews | andrew001ed- | 1881 | Akron | Independent | Akron, OH | ||
| Frank Angus | angus-001fra | 1881 | 9 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Cap Anson | anson-001cap | 1881 | 84 g. | Chicago | National League | Chicago, IL | |
| Harry Arundel | arunde001har | 1881 | Akron | Independent | Akron, OH | ||
| Judge Bailey | bailey001jud | 1881 | 9 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| George Baker | baker-007geo | 1881 | Chicago | Chicago, IL | |||
| George Balsey | balsey001geo | 1881 | Harrisburg | Independent | Harrisburg, PA | ||
| Frank Bancroft | bancro001fra | 1881 | Detroit | National League | Detroit, MI | ||
| Charlie Barber | barber001cha | 1881 | 5/26 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Charlie Barber | barber001cha | 1881 | 7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Al Barker | barker001al- | 1881 | 5/20-5/24 | MLB Umpire | National League | , | |
| Barnes | barnes005--- | 1881 | 2 g. | Oakland | New California League | Oakland, CA | |
| Ross Barnes | barnes001ros | 1881 | -9/21 | 69 g. | Boston | National League | Boston, MA |
| Billy Barnie | barnie001bil | 1881 | 5/3-8/18 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Tommy Barrett | barret002tom | 1881 | Chicago Whitings | Prairie | Chicago, IL | ||
| Joe Battin | battin001joe | 1881 | 5/21-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Frank Beck | beck--001fra | 1881 | Grand Rapids | Independent | Grand Rapids, MI | ||
| Charlie Bennett | bennet005cha | 1881 | 76 g. | Detroit | National League | Detroit, MI | |
| Frank Berkelbach | berkel001fra | 1881 | 6/24-7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| John Bicker | 1881 | Guelph Maple Leafs | Independent | Guelph, ON | |||
| Connie Bigelow | bigelo001con | 1881 | 3 g. | San Francisco Reno | California League | San Francisco, CA | |
| Jud Birchall | bircha001jud | 1881 | 5/21-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Bob Blakiston | blakis001bob | 1881 | 9 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Andrew Blanchfield | blanch001and | 1881 | 3 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Tommy Bond | bond--001tom | 1881 | 3 g. | Boston | National League | Boston, MA | |
| Tommy Bond | bond--001tom | 1881 | 7/20-7/28 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Big Boyle | boyle-001big | 1881 | 8 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Big Boyle | boyle-001big | 1881 | 5 g. | Oakland | New California League | Oakland, CA | |
| Harlow Boyle | boyle-001har | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Bradford | bradfo002--- | 1881 | 2 g. | Oakland | New California League | Oakland, CA | |
| George Bradley | bradle002geo | 1881 | 1 g. | Detroit | National League | Detroit, MI | |
| George Bradley | bradle002geo | 1881 | 60 g. | Cleveland | National League | Cleveland, OH | |
| Steve Brady | brady-002ste | 1881 | 5/4-9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Fatty Briody | briody001fat | 1881 | 7/2- | 6 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC |
| Fatty Briody | briody001fat | 1881 | -7/9 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Fatty Briody | briody001fat | 1881 | 9/26 | MLB Umpire | National League | , | |
| Broder | broder004--- | 1881 | 10 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Dan Brouthers | brouth001den | 1881 | 5/3- 6/7 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Dan Brouthers | brouth001den | 1881 | -5/28 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Dan Brouthers | brouth001den | 1881 | 65 g. | Buffalo | National League | Buffalo, NY | |
| Lew Brown | brown-002lew | 1881 | 7/2-8/11 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Lew Brown | brown-002lew | 1881 | 27 g. | Detroit | National League | Detroit, MI | |
| Lew Brown | brown-002lew | 1881 | 18 g. | Providence | National League | Providence, RI | |
| Tom Brown | brown-012tho | 1881 | 2 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Tom Brown | brown-012tho | 1881 | Oakland | Independent | Oakland, CA | ||
| William Brown | brown-031wil | 1881 | 1 g. | San Francisco Reno | California League | San Francisco, CA | |
| William Brown | brown-031wil | 1881 | 16 g. | Oakland | New California League | Oakland, CA | |
| Pete Browning | browni001pet | 1881 | 40 g. | Louisville Eclipse | Independent | Louisville, KY | |
| Bucannon | bucann001--- | 1881 | 8/31 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Al Buckenberger | bucken001al- | 1881 | Detroit Cass | Independent | Detroit, MI | ||
| Josh Bunce | bunce-001jos | 1881 | Brooklyn Nameless | Independent | Brooklyn, NY | ||
| Burchall | 1881 | +5/9+ | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | ||
| Jack Burdock | burdoc001jac | 1881 | 73 g. | Boston | National League | Boston, MA | |
| C. J. Burns | 1881 | New York Carlstads | Independent | New York, NY | |||
| Thomas Burns | burns-001oys | 1881 | Mackinaw | Independent | Mackinaw, MI | ||
| Tom Burns | burns-001tom | 1881 | 84 g. | Chicago | National League | Chicago, IL | |
| Doc Bushong | bushon001doc | 1881 | 76 g. | Worcester | National League | Worcester, MA | |
| Butler | butler014--- | 1881 | 6/4 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| J. Cadogan | cadoga001j-- | 1881 | 5 g. | San Francisco Reno | California League | San Francisco, CA | |
| Callahan | callah043--- | 1881 | 5/3-5/7 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Callahan | callah043--- | 1881 | 7/13-9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Ed Callahan | callah001ed- | 1881 | MLB Umpire | National League | , | ||
| Campbell | campbe001--- | 1881 | 3 g. | Oakland | New California League | Oakland, CA | |
| Joe Cantillon | cantil001jos | 1881 | Green Bay | Independent | Green Bay, WI | ||
| John Caperoon | capero001joh | 1881 | 5/9 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| John Caperoon | capero001joh | 1881 | Baltimore | Independent | Baltimore, MD | ||
| Hick Carpenter | carpen001hic | 1881 | 83 g. | Worcester | National League | Worcester, MA | |
| Cliff Carroll | carrol002cli | 1881 | California | Calif | California, CA | ||
| John Carroll | carrol007joh | 1881 | 13 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Dennis Casey | casey-002den | 1881 | Flyaways | Independent | , | ||
| Dennis Casey | casey-002den | 1881 | New York Metropolitans | Eastern Championship Association | New York, NY | ||
| Thomas Casey | casey-005tho | 1881 | 6 g. | Oakland | New California League | Oakland, CA | |
| Ed Caskin | caskin001ed- | 1881 | 63 g. | Troy | National League | Troy, NY | |
| John Cassidy | cassid003joh | 1881 | 85 g. | Troy | National League | Troy, NY | |
| Jack Chapman | chapma002jac | 1881 | , | ||||
| Church | church008--- | 1881 | 1 g. | Oakland | New California League | Oakland, CA | |
| John Clapp | clapp-001joh | 1881 | 68 g. | Cleveland | National League | Cleveland, OH | |
| Clark | clark-072--- | 1881 | 7/2- | 4 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| Clark | clark-072--- | 1881 | -8/10 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Jim Clinton | clinto001jim | 1881 | 5/4-8/31 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| John Coleman | colema002joh | 1881 | Chicago | Chicago, IL | |||
| Charlie Comiskey | comisk001cha | 1881 | Dubuque | Independent | Dubuque, IA | ||
| William Conley | conley003wil | 1881 | 14 g. | Oakland | New California League | Oakland, CA | |
| Roger Connor | connor001rog | 1881 | 85 g. | Troy | National League | Troy, NY | |
| Thomas Conway | conway003tho | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Jack Corcoran | corcor001jac | 1881 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | ||
| Larry Corcoran | corcor001lar | 1881 | 47 g. | Chicago | National League | Chicago, IL | |
| Fred Corey | corey-001fre | 1881 | 51 g. | Worcester | National League | Worcester, MA | |
| Jack Corpstein | corpst001jac | 1881 | 3 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Cramer | cramer002--- | 1881 | 7/13-9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| George Creamer | creame001geo | 1881 | 5/3-5/10 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| George Creamer | creame001geo | 1881 | 80 g. | Worcester | National League | Worcester, MA | |
| George Creamer | creame001geo | 1881 | 8/17-8/18 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Mark Creegan | creega001mar | 1881 | 7 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Dan Cronin | cronin002dan | 1881 | 5/12-5/14 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Joe Crotty | crotty001joe | 1881 | Louisville Eclipse | Independent | Louisville, KY | ||
| Bill Crowley | crowle001bil | 1881 | 72 g. | Boston | National League | Boston, MA | |
| Jim Cudworth | cudwor001jim | 1881 | Providence Narragansetts | Amat/s-p | Providence, RI | ||
| John Cullen | cullen004joh | 1881 | 2 g. | San Francisco Californias | New California League | San Francisco, CA | |
| John Cullen | cullen004joh | 1881 | 3 g. | Oakland | New California League | Oakland, CA | |
| John Curran | curren001pet | 1881 | Nevada Albions | Independent | Nevada, | ||
| Hugh Daily | daily-001hug | 1881 | 5/4-9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Dallas | dallas001--- | 1881 | 5/9-5/24 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Abner Dalrymple | dalrym001abn | 1881 | 82 g. | Chicago | National League | Chicago, IL | |
| Art Daniels | daniel001art | 1881 | 7 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Deane | deane-001--- | 1881 | 2 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Pat Deasley | deasle001pat | 1881 | 5/18- | 43 g. | Boston | National League | Boston, MA |
| Jerry Denny | denny-001jer | 1881 | 5/2- | 85 g. | Providence | National League | Providence, RI |
| George Derby | derby-001geo | 1881 | 5/2- | 59 g. | Detroit | National League | Detroit, MI |
| Devlin | devlin004--- | 1881 | +5/9-7/12+ | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Jim Devlin | devlin001jim | 1881 | Trenton | Independent | Trenton, NJ | ||
| Dickerman | dicker002--- | 1881 | 2 g. | Oakland | New California League | Oakland, CA | |
| Buttercup Dickerson | dicker001but | 1881 | 80 g. | Worcester | National League | Worcester, MA | |
| Dixon | dixon-001--- | 1881 | 7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Jeff Dolan | dolan-001tom | 1881 | 9 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Dolan | dolan-001tom | 1881 | 5/3-6/25 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Dolan | dolan-001tom | 1881 | Baltimore | Independent | Baltimore, MD | ||
| Joseph Donnegan | 1881 | 4/30- | 9 g. | MLB Umpire | National League | , | |
| Donnelly | donnel027--- | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Jerry Dorgan | dorgan001jer | 1881 | 5/9- | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Jerry Dorgan | dorgan001jer | 1881 | -8/15 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Jerry Dorgan | dorgan001jer | 1881 | Detroit | National League | Detroit, MI | ||
| Mike Dorgan | dorgan001mik | 1881 | 51 g. | Worcester | National League | Worcester, MA | |
| Mike Dorgan | dorgan001mik | 1881 | 8 g. | Detroit | National League | Detroit, MI | |
| Jerry Dorsey | dorsey004jer | 1881 | 7/16 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Herm Doscher | dosche001her | 1881 | 5 g. | Cleveland | National League | Cleveland, OH | |
| John Doyle | doyle-004joh | 1881 | 6/24-8/31 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Driscoll | drisco001--- | 1881 | 1 g. | Oakland | New California League | Oakland, CA | |
| Denny Driscoll | drisco001den | 1881 | 5/9- | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Denny Driscoll | drisco001den | 1881 | 20 g. | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Denny Driscoll | drisco001den | 1881 | -8/15 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Fred Dunlap | dunlap002fre | 1881 | 80 g. | Cleveland | National League | Cleveland, OH | |
| Joseph Dunnigan | dunnig001jos | 1881 | 8/31 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Joseph Dunnigan | dunnig001jos | 1881 | Umpire | EastChamp | , | ||
| Dick Dwyer | dwyer-001ric | 1881 | St. Louis | Independent | St. Louis, MO | ||
| Dick Dwyer | dwyer-001ric | 1881 | Pueblo | Independent | Pueblo, CO | ||
| Charlie Eden | eden--001cha | 1881-82 | , | ||||
| Edwards | edward015--- | 1881 | 10 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Dude Esterbrook | esterb001dud | 1881 | 5/4-9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Jake Evans | evans-001jak | 1881 | 83 g. | Troy | National League | Troy, NY | |
| Buck Ewing | ewing-001buc | 1881 | 67 g. | Troy | National League | Troy, NY | |
| Charles Faatz | faatz-001cha | 1881 | Milwaukee | Independent | Milwaukee, WI | ||
| Jay Faatz | faatz-001jay | 1881 | St. Thomas | semi-pro | St. Thomas, ON | ||
| Farrell | farrel016--- | 1881 | 5/3 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Jack Farrell | farrel002jac | 1881 | 84 g. | Providence | National League | Providence, RI | |
| Joe Farrell | farrel001joe | 1881 | 4/21-6/8 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Joe Farrell | farrel001joe | 1881 | 7/2-8/31 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Joe Farrell | farrel001joe | 1881 | 9/3-10/21 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| John Farrow | farrow002joh | 1881 | 7/14-7/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Bob Ferguson | fergus001bob | 1881 | 85 g. | Troy | National League | Troy, NY | |
| J. Finn | finn--001j-- | 1881 | 9 g. | San Francisco Reno | California League | San Francisco, CA | |
| John Fisher | fisher006joh | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Fitzhenry | fitzhe003--- | 1881 | 7 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Martin Flaherty | flaher001mar | 1881 | 8/18 | 1 g. | Worcester | National League | Worcester, MA |
| Silver Flint | flint-001sil | 1881 | 80 g. | Chicago | National League | Chicago, IL | |
| Curry Foley | foley-001cur | 1881 | -9/5 | 83 g. | Buffalo | National League | Buffalo, NY |
| John Foley | foley-002joh | 1881 | +7/4+ | Brattleboro | Independent | Brattleboro, VT | |
| Will Foley | foley-002wil | 1881 | 5 g. | Detroit | National League | Detroit, MI | |
| Jim Foran | foran-001jim | 1881 | 1 g. | Oakland | New California League | Oakland, CA | |
| Davy Force | force-001dav | 1881 | 75 g. | Buffalo | National League | Buffalo, NY | |
| Tom Forster | forste001tom | 1881 | 15 g. | New York New Yorks | Eastern Championship Association | New York, NY | |
| Tom Forster | forste001tom | 1881 | New York Quicksteps | Eastern Championship Association | New York, NY | ||
| Tom Forster | forste001tom | 1881 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | ||
| John Fox | fox---008joh | 1881 | 6/2- | 30 g. | Boston | National League | Boston, MA |
| Bill French | french001bil | 1881 | 4 g. | Oakland | New California League | Oakland, CA | |
| Charles Fulmer | fulmer001chi | 1881 | 6/4-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Eddie Fusselback | fussel001edd | 1881 | 5/9-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Pud Galvin | galvin001pud | 1881 | 62 g. | Buffalo | National League | Buffalo, NY | |
| Gid Gardner | gardne001gid | 1881 | 5/9- | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Gid Gardner | gardne001gid | 1881 | -8/15 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Charlie Geggus | geggus001cha | 1881 | St. Mary's Univ. | College | , | ||
| Charlie Geggus | geggus001cha | 1881 | 13 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Joe Gerhardt | gerhar001joe | 1881 | 80 g. | Detroit | National League | Detroit, MI | |
| Gifford | giffor003--- | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Jim Gifford | giffor001jam | 1881 | 5/2-5/4 | MLB Umpire | National League | , | |
| Patrick Gillespie | gilles003pet | 1881 | 84 g. | Troy | National League | Troy, NY | |
| C.H. Gillette | gillet001c-- | 1881 | 7 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Barney Gilligan | gillig001bar | 1881 | 46 g. | Providence | National League | Providence, RI | |
| Jack Glasscock | glassc001jac | 1881 | 85 g. | Cleveland | National League | Cleveland, OH | |
| Bill Gleason | gleaso002bil | 1881 | St. Louis Browns | Independent | St. Louis, MO | ||
| Fred Goldsmith | goldsm002fre | 1881 | 42 g. | Chicago | National League | Chicago, IL | |
| George Gore | gore--001geo | 1881 | 73 g. | Chicago | National League | Chicago, IL | |
| William Graham | graham004wil | 1881 | 7 g. | Oakland | New California League | Oakland, CA | |
| Green | green-001--- | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Gregory | gregor002--- | 1881 | 9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Griffiths | griffi003--- | 1881 | 6/15- | 6 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| Griffiths | griffi003--- | 1881 | -8/10 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Grim | grim--003--- | 1881 | 8/1-8/10 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Emil Gross | gross-001emi | 1881 | 51 g. | Providence | National League | Providence, RI | |
| John Guehrer | guehre001joh | 1881 | Grand Rapids | Independent | Grand Rapids, MI | ||
| William Gurnett | gurnet001wil | 1881 | 1 g. | Oakland | New California League | Oakland, CA | |
| John Hack | hack--002joh | 1881 | 9 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Jim Hamilton | hamilt001jim | 1881 | 4 g. | San Francisco Reno | California League | San Francisco, CA | |
| Frank Hankinson | hankin001fra | 1881 | 85 g. | Troy | National League | Troy, NY | |
| Ned Hanlon | hanlon001ned | 1881 | 76 g. | Detroit | National League | Detroit, MI | |
| Bill Harbridge | harbri001bil | 1881 | 24 g. | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Bill Harbridge | harbri001bil | 1881 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | ||
| Bill Harbridge | harbri001bil | 1881 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | ||
| Bill Harbridge | harbri001bil | 1881 | New York Quicksteps | Eastern Championship Association | New York, NY | ||
| John Harkins | harkin002joh | 1881-82 | Rutgers College | College | , | ||
| Harrison | harris002--- | 1881 | 3 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Bill Hawes | hawes-001bil | 1881 | 1 g. | MLB Umpire | National League | , | |
| E. Hayes | hayes-001e-- | 1881 | 9 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| E. Hayes | hayes-001e-- | 1881 | 5 g. | Oakland | New California League | Oakland, CA | |
| E. Hayes | hayes-001e-- | 1881 | San Francisco Mystics | New California League | San Francisco, CA | ||
| John Hayes | hayes-004joh | 1881 | 5/3- | 30 g. | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY |
| John Hayes | hayes-004joh | 1881 | -8/8 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| William Hegeman | 1881 | -6/25 | 2 g. | MLB Umpire | National League | , | |
| Dick Higham | higham001dic | 1881 | 5/2- | 58 g. | MLB Umpire | National League | , |
| Hines | hines-001--- | 1881 | 8/1-9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Paul Hines | hines-001pau | 1881 | 80 g. | Providence | National League | Providence, RI | |
| Bob Hogan | hogan-001edd | 1881 | +5/22+ | St. Louis Reds | Independent | St. Louis, MO | |
| William Hoggins | hoggin001wil | 1881 | -8/15 | Trenton | Independent | Trenton, NJ | |
| Bill Holbert | holber001bil | 1881 | 46 g. | Troy | National League | Troy, NY | |
| Jim Holdsworth | holdsw001jim | 1881 | 8/5 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| William Hoover | hoover001bus | 1881 | Burlington | Independent | Burlington, NJ | ||
| Joe Hornung | hornun001mik | 1881 | 83 g. | Boston | National League | Boston, MA | |
| Pete Hotaling | hotali001pet | 1881 | 77 g. | Worcester | National League | Worcester, MA | |
| Sadie Houck | houck-001sad | 1881 | 5/9-5/10 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Sadie Houck | houck-001sad | 1881 | 75 g. | Detroit | National League | Detroit, MI | |
| Charlie Householder | househ002cha | 1881 | 6/14-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Bill Hunter | hunter001bil | 1881 | Guelph Maple Leafs | Independent | Guelph, ON | ||
| James Hynes | 1881 | New York Quicksteps | Eastern Championship Association | New York, NY | |||
| William Incell | incell001wil | 1881 | 14 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Arthur Irwin | irwin-001art | 1881 | 50 g. | Worcester | National League | Worcester, MA | |
| Jackson | jackso025--- | 1881 | 4 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Percy Jacobus | jacobu001per | 1881 | 15 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Harry Jacoby | jacoby001har | 1881 | 8/8 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| John Jandron | jandro001joh | 1881-85 | Boston Univ. | College | , | ||
| William Jeffers | 1881 | 5/5-7/7 | MLB Umpire | National League | , | ||
| Jones | 1881 | Akron | Independent | Akron, OH | |||
| Charley Jones | jones-018cha | 1881 | , | ||||
| Charley Jones | jones-018cha | 1881 | Portsmouth | Independent | Portsmouth, OH | ||
| Henry Jones | jones-006hen | 1881 | Fort Wayne | Independent | Fort Wayne, IN | ||
| Tim Keefe | keefe-002tim | 1881 | 46 g. | Troy | National League | Troy, NY | |
| John Kelly | kelly-017joh | 1881 | 5/3- | 8 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| John Kelly | kelly-017joh | 1881 | -8/3 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| King Kelly | kelly-002kin | 1881 | 82 g. | Chicago | National League | Chicago, IL | |
| N. Kelly | kelly-003n-- | 1881 | 1 g. | San Francisco Reno | California League | San Francisco, CA | |
| N. Kelly | kelly-003n-- | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Rudy Kemmler | kemmle001rud | 1881 | Akron | Independent | Akron, OH | ||
| Rudy Kemmler | kemmle001rud | 1881 | 1 g. | Cleveland | National League | Cleveland, OH | |
| Kennedy | kenned033--- | 1881 | 6 g. | Oakland | New California League | Oakland, CA | |
| Doc Kennedy | kenned001doc | 1881 | 39 g. | Cleveland | National League | Cleveland, OH | |
| Ed Kennedy | kenned001ed- | 1881 | 5/4-9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Kenny | kenny-003--- | 1881 | 6/8 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Ed Kent | kent--001ed- | 1881 | Topeka | Independent | Topeka, KS | ||
| Ed Kent | kent--001ed- | 1881 | Colorado Springs | Independent | Colorado Springs, CO | ||
| Eden Kipp | 1881 | 8/2-9/5 | MLB Umpire | National League | , | ||
| Lon Knight | knight001lon | 1881 | 83 g. | Detroit | National League | Detroit, MI | |
| William Kolley | kelley006w-- | 1881-83 | Little Rock | Independent | Little Rock, AR | ||
| Bill Krieg | krieg-001bil | 1881 | Peoria | Independent | Peoria, IL | ||
| Ed Lamb | lamb--001ed- | 1881 | 18 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Doc Landis | landis001doc | 1881 | 5/9- | 4 g. | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA |
| Doc Landis | landis001doc | 1881 | -7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Terry Larkin | larkin001ter | 1881 | 5/3- | 24 g. | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY |
| Terry Larkin | larkin001ter | 1881 | -8/30 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Arlie Latham | latham002wal | 1881 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | ||
| Horatio Lawton | lawton001hor | 1881 | 1 g. | San Francisco Reno | California League | San Francisco, CA | |
| Horatio Lawton | lawton001hor | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Jack Leary | leary-001jac | 1881 | 5/3 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Jack Leary | leary-001jac | 1881 | 5/4-5/26 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Jack Leary | leary-001jac | 1881 | 6/24-7/5 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Jack Leary | leary-001jac | 1881 | 7/12-8/15 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Jack Leary | leary-001jac | 1881 | 3 g. | Detroit | National League | Detroit, MI | |
| Lee | lee---024--- | 1881 | 2 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Rube Levy | levy--001reu | 1881 | 10 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Fred Lewis | lewis-003fre | 1881 | 7/2- | 27 g. | Boston | National League | Boston, MA |
| Lomas | lomas-001--- | 1881 | 6/24, 7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Harry Luff | luff--001hen | 1881 | 5/21- | 18 g. | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA |
| Harry Luff | luff--001hen | 1881 | -6/18 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Jack Lynch | lynch-001jac | 1881 | 5/2- | 23 g. | Buffalo | National League | Buffalo, NY |
| Michael Lynch | lynch-010mic | 1881 | Peoria | Independent | Peoria, IL | ||
| Thomas Lynch | lynch-003tho | 1881-84 | Gallaudet College | College | , | ||
| J. Macey | macey-001j-- | 1881 | 8 g. | San Francisco Reno | California League | San Francisco, CA | |
| Denny Mack | mack--001den | 1881 | New Orleans Robert E. Lees | Independent | New Orleans, LA | ||
| Frederick Macklin | mackli001fre | 1881 | Toronto | Independent | Toronto, ON | ||
| John Magner | magner001joh | 1881 | 5/8-7/16 | St. Louis Browns | Independent | St. Louis, MO | |
| Jack Manning | mannin001jac | 1881 | 1 g. | Buffalo | National League | Buffalo, NY | |
| John Mansell | mansel001joh | 1881 | 7/2-8/31 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Mike Mansell | mansel001mik | 1881 | 5/9- | 34 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC |
| Mike Mansell | mansel001mik | 1881 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | ||
| Mike Mansell | mansel001mik | 1881 | -8/31 | Akron | Independent | Akron, OH | |
| Tom Mansell | mansel001tom | 1881 | 7/2- | 21 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC |
| Tom Mansell | mansel001tom | 1881 | -8/31 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Martinez | martin006--- | 1881 | 1 g. | Oakland | New California League | Oakland, CA | |
| Leech Maskrey | maskre001lee | 1881 | Akron | Independent | Akron, OH | ||
| Charlie Mason | mason-004cha | 1881 | 5/9-5/23 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Bobby Mathews | mathew001bob | 1881 | -10/10 | 16 g. | Providence | National League | Providence, RI |
| Bobby Mathews | mathew001bob | 1881 | 19 g. | Boston | National League | Boston, MA | |
| McCann | mccann001--- | 1881 | 6/15- | 3 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| McCann | mccann001--- | 1881 | -9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Bill McClellan | mcclel001bil | 1881 | 68 g. | Providence | National League | Providence, RI | |
| Bill McCloskey | mcclos001bil | 1881 | Chester | Independent | Chester, PA | ||
| Bill McCloskey | mcclos001bil | 1881 | Camden Merritts | Independent | Camden, NJ | ||
| Bill McCloskey | mcclos001bil | 1881 | 7/6 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| W. McCloskey | mcclos001w-- | 1881 | 9 g. | San Francisco Reno | California League | San Francisco, CA | |
| W. McCloskey | mcclos001w-- | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Bob McCord | mccord001bob | 1881 | 4 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Tom McCord | mccord001tom | 1881 | 12 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Harry McCormick | mccorm006har | 1881 | -9/20 | 12 g. | Worcester | National League | Worcester, MA |
| Jim McCormick | mccorm001jim | 1881 | 70 g. | Cleveland | National League | Cleveland, OH | |
| Jim McDonald | mcdona003jim | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Jim McElroy | mcelro001jim | 1881-83 | St. Mary's Univ. | College | , | ||
| McFarlane | mcfarl004--- | 1881 | 7/13-8/1 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Mike McGeary | mcgear001mik | 1881 | 11 g. | Cleveland | National League | Cleveland, OH | |
| Edward McGlynn | mcglyn001edw | 1881 | 6/15- | 9 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| Edward McGlynn | mcglyn001edw | 1881 | -7/22 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Bill McGunnigle | mcgunn001bil | 1881 | , | ||||
| P. McKenna | mckenn001p-- | 1881 | 5 g. | San Francisco Reno | California League | San Francisco, CA | |
| McNicoll | mcnico001--- | 1881 | 6/15 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Bid McPhee | mcphee001bid | 1881 | Akron | Independent | Akron, OH | ||
| Pete Meegan | meegan001pet | 1881 | 17 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Mendenhall | menden001--- | 1881 | 18 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| George Miller | miller005geo | 1881 | Trenton | Independent | Trenton, NJ | ||
| George Miller | miller005geo | 1881 | Brooklyn City | Independent | Brooklyn, NY | ||
| G. Mitchell | mitche002g-- | 1881 | 9 g. | San Francisco Reno | California League | San Francisco, CA | |
| Henry Moore | moore-004hen | 1881 | 5 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Henry Moore | moore-004hen | 1881 | 8 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Eddie Moran | moran-001edd | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| John Morrill | morril003joh | 1881 | 81 g. | Boston | National League | Boston, MA | |
| Ed Morris | morris002ed- | 1881 | St. Mary's Univ. | College | , | ||
| Ed Morris | morris002ed- | 1881 | 17 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| John Morrissey | morris017joh | 1881 | 5/2-5/14 | 12 g. | Buffalo | National League | Buffalo, NY |
| Charlie Morton | morton002cha | 1881 | Akron | Independent | Akron, OH | ||
| Frank Mountain | mounta002fra | 1881 | 7 g. | Detroit | National League | Detroit, MI | |
| Mike Moynahan | moynah001mik | 1881 | 33 g. | Cleveland | National League | Cleveland, OH | |
| Mike Moynahan | moynah001mik | 1881 | 1 g. | Detroit | National League | Detroit, MI | |
| Mike Muldoon | muldoo001mik | 1881 | 5/4-9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Tony Mullane | mullan001ton | 1881 | -8/ | Akron | Independent | Akron, OH | |
| Tony Mullane | mullan001ton | 1881 | 8/27- | 5 g. | Detroit | National League | Detroit, MI |
| Munson | munson001--- | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Tom Murray | murray003tom | 1881 | 12 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Jim Mutrie | mutrie001jam | 1881 | 5/24-5/25 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Henry Myers | myers-004hen | 1881 | 6/24-7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Henry Myers | myers-004hen | 1881 | Baltimore | Independent | Baltimore, MD | ||
| Henry Myers | myers-004hen | 1881 | 8/20 | 1 g. | Providence | National League | Providence, RI |
| Sandy Nava | nava--001san | 1881 | 10 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Sandy Nava | nava--001san | 1881 | 7 g. | Oakland | New California League | Oakland, CA | |
| Jack Neagle | neagle001jac | 1881 | 6/13-8/10 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Candy Nelson | nelson001can | 1881 | 5/3- | 28 g. | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY |
| Candy Nelson | nelson001can | 1881 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | ||
| Candy Nelson | nelson001can | 1881 | -8/18 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Candy Nelson | nelson001can | 1881 | 24 g. | Worcester | National League | Worcester, MA | |
| George Nettleton | nettle001g-- | 1881-84 | Dartmouth College | College | , | ||
| Tricky Nichols | nichol001tri | 1881 | Saginaw | Independent | Saginaw, MI | ||
| Hugh Nicol | nicol-001hug | 1881 | 5/3- | 26 g. | Chicago | National League | Chicago, IL |
| The Only Nolan | nolan-001the | 1881 | 41 g. | Cleveland | National League | Cleveland, OH | |
| Numan | numan-001--- | 1881 | 2 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Jack O'Brien | obrien002jac | 1881 | 5/9- | 10 g. | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA |
| Jack O'Brien | obrien002jac | 1881 | -6/24 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| O'Connor | oconno004--- | 1881 | 2 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Hank O'Day | oday--001han | 1881-83 | St. Mary's Univ. | College | , | ||
| Dan O'Leary | oleary002dan | 1881 | 2 g. | Detroit | National League | Detroit, MI | |
| Tip O'Neill | oneill001tip | 1881 | Poughkeepsie | Independent | Poughkeepsie, NY | ||
| Tip O'Neill | oneill001tip | 1881 | Detroit Hiawatha | Independent | Detroit, MI | ||
| Jim O'Rourke | orourk003jam | 1881 | 83 g. | Buffalo | National League | Buffalo, NY | |
| John O'Rourke | orourk001joh | 1881 | 5/9-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Dick Orth | orth--001dic | 1881 | Leadville | Independent | Leadville, CO | ||
| Osborne | osborn002--- | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Osborne | osborn002--- | 1881 | 5 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Arthur Paulin | 1881 | Guelph Maple Leafs | Independent | Guelph, ON | |||
| Al Peckenpaugh | pecken001a-- | 1881 | Kent | Independent | Kent, OH | ||
| Frank Peckenpaugh | pecken001f-- | 1881 | Kent | Independent | Kent, OH | ||
| Hip Perrier | perrie001hyp | 1881 | 9 g. | San Francisco Reno | California League | San Francisco, CA | |
| John Peters | peters008joh | 1881 | 54 g. | Buffalo | National League | Buffalo, NY | |
| Fred Pfeffer | pfeffe001fre | 1881 | 47 g. | Louisville Eclipse | Independent | Louisville, KY | |
| Bill Phillips | philli001bil | 1881 | 85 g. | Cleveland | National League | Cleveland, OH | |
| Horace Phillips | philli001hor | 1881 | 5/25-8/15 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Andy Piercy | piercy001and | 1881 | 5/12-6/30 | 2 g. | Chicago | National League | Chicago, IL |
| Lip Pike | pike--001lip | 1881 | 5/3-8/5 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Lip Pike | pike--001lip | 1881 | 8/27- | 5 g. | Worcester | National League | Worcester, MA |
| Tom Poorman | poorma001tom | 1881 | 5/7- | 17 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| Tom Poorman | poorma001tom | 1881 | -7/5 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Tom Poorman | poorma001tom | 1881 | Lock Haven | Independent | Lock Haven, PA | ||
| Henry Porter | porter001hen | 1881 | Webster | Independent | Webster, MA | ||
| Martin Powell | powell001mar | 1881 | 5/9-6/8 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Martin Powell | powell001mar | 1881 | 6/18 - | 55 g. | Detroit | National League | Detroit, MI |
| Phil Powers | powers001phi | 1881 | 5 g. | Cleveland | National League | Cleveland, OH | |
| Phil Powers | powers001phi | 1881 | 5/4-5/7 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Phil Powers | powers001phi | 1881 | 27 g. | MLB Umpire | National League | , | |
| Gus Pratt | pratt-001gus | 1881 | 3 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Harry Preble | preble001har | 1881 | 16 g. | Oakland | New California League | Oakland, CA | |
| Price | price-001--- | 1881 | 11 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Blondie Purcell | purcel001blo | 1881 | 20 g. | Cleveland | National League | Cleveland, OH | |
| Blondie Purcell | purcel001blo | 1881 | 30 g. | Buffalo | National League | Buffalo, NY | |
| Blondie Purcell | purcel001blo | 1881 | -8/? | Akron | Independent | Akron, OH | |
| Joe Quest | quest-001joe | 1881 | 78 g. | Chicago | National League | Chicago, IL | |
| Quill | quill-001--- | 1881 | 6 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Joseph Quinn | quinn-001pad | 1881 | 9/7-9/27 | 1 g. | Boston | National League | Boston, MA |
| Joseph Quinn | quinn-001pad | 1881 | 2 g. | Worcester | National League | Worcester, MA | |
| Paddy Quinn | quinn-004jos | 1881 | MLB Umpire | National League | , | ||
| Marshall Quinton | quinto001mar | 1881 | Harriston | Independent | Harriston, ON | ||
| Marshall Quinton | quinto001mar | 1881 | Toronto | Independent | Toronto, ON | ||
| Old Hoss Radbourn | radbou001old | 1881 | 72 g. | Providence | National League | Providence, RI | |
| Toad Ramsey | ramsey001toa | 1881 | Chattanooga | Independent | Chattanooga, TN | ||
| Randett | randet001--- | 1881 | 1 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| John Reccius | recciu001joh | 1881 | Louisville Eclipse | Independent | Louisville, KY | ||
| Phil Reccius | recciu002phi | 1881 | Louisville Eclipse | Independent | Louisville, KY | ||
| Lew Redmond | redmon001lew | 1881 | 12 g. | Oakland | New California League | Oakland, CA | |
| Regan | regan-004--- | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Charlie Reilley | reille001cha | 1881 | 19 g. | Detroit | National League | Detroit, MI | |
| Charlie Reilley | reille001cha | 1881 | 2 g. | Worcester | National League | Worcester, MA | |
| John Reilly | reilly004joh | 1881 | Cincinnati Buckeyes | semi-pro | Cincinnati, OH | ||
| Charlie Reipschlager | reipsc001cha | 1881 | 5/21- | 25 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC |
| Charlie Reipschlager | reipsc001cha | 1881 | -8/18 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Jack Remsen | remsen001jac | 1881 | 48 g. | Cleveland | National League | Cleveland, OH | |
| Reynolds | reynol013--- | 1881 | 6/24 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Arthur Richardson | richar001art | 1881 | Hamilton | Independent | Hamilton, ON | ||
| Hardy Richardson | richar001har | 1881 | 83 g. | Buffalo | National League | Buffalo, NY | |
| John Richmond | richmo002joh | 1881 | 27 g. | Boston | National League | Boston, MA | |
| John Richmond | richmo002joh | 1881 | 6/25-8/10 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Lee Richmond | richmo001lee | 1881 | 61 g. | Worcester | National League | Worcester, MA | |
| T. Riley | riley-002t-- | 1881 | 10 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Dan Riordan | riorda001dan | 1881 | 5 g. | San Francisco Reno | California League | San Francisco, CA | |
| Jim Ronnoc | ronnoc001jim | 1881 | 4 g. | San Francisco Californias | New California League | San Francisco, CA | |
| James Roseman | rosema001chi | 1881 | 5/3- | 41 g. | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY |
| James Roseman | rosema001chi | 1881 | -9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Jack Rowe | rowe--001jac | 1881 | 64 g. | Buffalo | National League | Buffalo, NY | |
| Ed Rowen | rowen-001ed- | 1881 | 7 g. | Oakland | New California League | Oakland, CA | |
| Ryan | ryan--065--- | 1881 | 6 g. | San Francisco Reno | California League | San Francisco, CA | |
| Jimmy Ryan | ryan--003jam | 1881-85 | HolyC/BosCol? | College | , | ||
| Lou Say | say---001lou | 1881 | 5/4-9/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| John Schappert | schapp001joh | 1881 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | ||
| Bill Schenck | schenc001bil | 1881 | 5/3- | 27 g. | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY |
| Bill Schenck | schenc001bil | 1881 | -8/30 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Bob Schleicher | schlei003rob | 1881 | Louisville Eclipse | Independent | Louisville, KY | ||
| Jumbo Schoeneck | schoen001jum | 1881 | Kansas City | Independent | Kansas City, MO | ||
| Orator Shafer | shafer001ora | 1881 | 85 g. | Cleveland | National League | Cleveland, OH | |
| T. Sharkey | sharke001t-- | 1881 | 1 g. | San Francisco Reno | California League | San Francisco, CA | |
| Bill Sharsig | sharsi001bil | 1881 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | ||
| Shepard | shepar001--- | 1881 | 4 g. | San Francisco Californias | New California League | San Francisco, CA | |
| John Shetzline | shetzl001joh | 1881 | 6/24-7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| John Shoup | shoupe001joh | 1881 | Columbus Buckeyes | Independent | Columbus, OH | ||
| Simmons | simmon001--- | 1881 | 8/8 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Slater | slater006--- | 1881 | 6/24 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| George Sleeman | sleema001geo | 1881 | Guelph Maple Leafs | Independent | Guelph, ON | ||
| Bill Smiley | smiley001bil | 1881 | 5/24- | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Bill Smiley | smiley001bil | 1881 | 23 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Bill Smiley | smiley001bil | 1881 | -8/1 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Smith | smith-099--- | 1881 | 8/1 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Hugh Smith | smith-004hug | 1881 | 5 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| John Smith | smith-043joh | 1881 | 8 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Pacer Smith | smith-041cha | 1881 | Terre Haute | Independent | Terre Haute, IN | ||
| Pop Smith | smith-001pop | 1881 | 10 g. | Cleveland | National League | Cleveland, OH | |
| Pop Smith | smith-001pop | 1881 | 3 g. | Buffalo | National League | Buffalo, NY | |
| Pop Smith | smith-001pop | 1881 | 11 g. | Worcester | National League | Worcester, MA | |
| Pop Snyder | snyder001pop | 1881 | -7/4 | 62 g. | Boston | National League | Boston, MA |
| Adolph Soher | soher-001ado | 1881 | 15 g. | San Francisco Californias | New California League | San Francisco, CA | |
| John Souther | southe002joh | 1881 | Worcester Poly. I. | College | , | ||
| Harry Spence | spence001har | 1881 | Harriston | Independent | Harriston, ON | ||
| Harry Spence | spence001har | 1881 | Toronto | Independent | Toronto, ON | ||
| John Sprague | spragu002joh | 1881 | 9 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Joe Start | start-001joe | 1881 | 79 g. | Providence | National League | Providence, RI | |
| Dan Stearns | stearn002dan | 1881 | 3 g. | Detroit | National League | Detroit, MI | |
| Stevens | steven007--- | 1881 | 1 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Charley Stewart | stewar014cha | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Len Stockwell | stockw001len | 1881 | Akron | Independent | Akron, OH | ||
| Len Stockwell | stockw001len | 1881 | Davenport | Independent | Davenport, IA | ||
| Harry Stovey | stovey001har | 1881 | 75 g. | Worcester | National League | Worcester, MA | |
| Asa Stratton | stratt001asa | 1881 | 6/17 | 1 g. | Worcester | National League | Worcester, MA |
| Cub Stricker | strick001cub | 1881 | 5/9-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Jim Stroud | stroud001jim | 1881 | 8 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Dan Sullivan | sulliv007dan | 1881 | Akron | Independent | Akron, OH | ||
| Dan Sullivan | sulliv007dan | 1881 | no g. | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Sleeper Sullivan | sulliv001sle | 1881 | 8/6-8/31 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Sleeper Sullivan | sulliv001sle | 1881 | 5/3- | 35 g. | Buffalo | National League | Buffalo, NY |
| Ted Sullivan | sulliv001tp- | 1881 | Dubuque | Independent | Dubuque, IA | ||
| Ezra Sutton | sutton001ezr | 1881 | 83 g. | Boston | National League | Boston, MA | |
| Billy Swanton | swanto001bil | 1881 | 5 g. | San Francisco Reno | California League | San Francisco, CA | |
| Ed Swartwood | swartw001ed- | 1881 | Akron | Independent | Akron, OH | ||
| Ed Swartwood | swartw001ed- | 1881 | 8/11- | 1 g. | Buffalo | National League | Buffalo, NY |
| Sweeney | sweene001--- | 1881 | 6/24-7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Bill Sweeney | sweene001bil | 1881 | Detroit | National League | Detroit, MI | ||
| Bill Sweeney | sweene001bil | 1881 | Providence | National League | Providence, RI | ||
| Charlie Sweeney | sweene004cha | 1881 | 8 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Charlie Sweeney | sweene004cha | 1881 | San Francisco Niantic | Calif? | San Francisco, CA | ||
| Pete Sweeney | sweene001pet | 1881 | 3 g. | Oakland | New California League | Oakland, CA | |
| Rooney Sweeney | sweene001roo | 1881 | 5/3- | New York New Yorks | Eastern Championship Association | New York, NY | |
| Rooney Sweeney | sweene001roo | 1881 | 22 g. | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Rooney Sweeney | sweene001roo | 1881 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | ||
| Rooney Sweeney | sweene001roo | 1881 | -9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Tom Sweeney | sweene001tom | 1881 | 10 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Tanner | tanner001--- | 1881 | 7/13-8/1 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Billy Taylor | taylor001bil | 1881 | 5/28 | New York Metropolitans | Eastern Championship Association | New York, NY | |
| Billy Taylor | taylor001bil | 1881 | 7/28 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Billy Taylor | taylor001bil | 1881 | 5/21- | 6 g. | Worcester | National League | Worcester, MA |
| Billy Taylor | taylor001bil | 1881 | 1 g. | Detroit | National League | Detroit, MI | |
| Billy Taylor | taylor001bil | 1881 | 24 g. | Cleveland | National League | Cleveland, OH | |
| Live Oak Taylor | taylor006geo | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Adonis Terry | terry-001ado | 1881 | Bridgeport Rosedales | Independent | Bridgeport, CT | ||
| Ed Thomas | thomas001ed- | 1881 | 2 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Thompson | thomps011--- | 1881 | 14 g. | San Francisco Californias | New California League | San Francisco, CA | |
| Tibbitts | tibbit001--- | 1881 | 1 g. | San Francisco Californias | New California League | San Francisco, CA | |
| John Tilley | tilley001joh | 1881 | 6/16- | 11 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| John Tilley | tilley001joh | 1881 | -4/5 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Jack Towart | towart001jac | 1881 | 5/3- | 11 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| Jack Towart | towart001jac | 1881 | -9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Tracy | 1881 | no g. | Boston | National League | Boston, MA | ||
| Tracy | tracy-001--- | 1881 | 5/7-6/25 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Bill Traffley | traffl001bil | 1881 | Omaha | Independent | Omaha, NE | ||
| Sam Trott | trott-001sam | 1881 | 5/9- | 33 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC |
| Sam Trott | trott-001sam | 1881 | -8/31 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Sam Trott | trott-001sam | 1881 | 6 g. | Detroit | National League | Detroit, MI | |
| Dasher Troy | troy--001das | 1881 | 5/3- | 30 g. | New York New Yorks | Eastern Championship Association | New York, NY |
| Dasher Troy | troy--001das | 1881 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | ||
| Dasher Troy | troy--001das | 1881 | -8/17 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Dasher Troy | troy--001das | 1881 | 8/23- | 11 g. | Detroit | National League | Detroit, MI |
| Thomas Turner | turner007tho | 1881 | 9 g. | Oakland | New California League | Oakland, CA | |
| Fred Tuttle | tuttle001fre | 1881 | 3 g. | Oakland | New California League | Oakland, CA | |
| Gene Vadeboncoeur | vadebo001gen | 1881 | Otsego | Independent | Otsego, MI | ||
| John Valentine | valent003joh | 1881 | 5/3-8/5 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Eugene Van Court | vancou001eug | 1881 | 2 g. | San Francisco Athletics | California League | San Francisco, CA | |
| Vetterlein | vetter002--- | 1881 | 6/16 | New York New Yorks | Eastern Championship Association | New York, NY | |
| Clarence Walker | walsh-002cla | 1881 | Louisville Eclipse | Independent | Louisville, KY | ||
| Fleet Walker | walker001fle | 1881 | Oberlin College | College | , | ||
| Oscar Walker | walker002osc | 1881 | 7/2- | New York New Yorks | Eastern Championship Association | New York, NY | |
| Oscar Walker | walker002osc | 1881 | 12 g. | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Oscar Walker | walker002osc | 1881 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | ||
| Oscar Walker | walker002osc | 1881 | -8/30 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Wally Wallace | wallac001wal | 1881 | 5 g. | San Francisco Californias | New California League | San Francisco, CA | |
| John Ward | ward--002mon | 1881 | 85 g. | Providence | National League | Providence, RI | |
| Wareham | wareha001--- | 1881 | 7/13 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Fred Warner | warner003fre | 1881 | 5/9-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| William Warr | warr--001wil | 1881 | 5/9 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Warren | warren005--- | 1881 | +5/9+ | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Warren | warren006--- | 1881 | 6/8 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Bill Watkins | watkin002bil | 1881 | Guelph Maple Leafs | Independent | Guelph, ON | ||
| Bill Watkins | watkin002bil | 1881 | St. Thomas | Independent | St. Thomas, ON | ||
| Sam Weaver | weaver001sam | 1881 | 6/4-8/18 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| A. G. Webster | 1881 | Leadville | Independent | Leadville, CO | |||
| George Weidman | wiedma001stu | 1881 | 5/9- | 35 g. | Washington Nationals/Albany | Eastern Championship Association | Washington, DC |
| George Weidman | wiedma001stu | 1881 | -8/31 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| George Weidman | wiedma001stu | 1881 | -7/5 | 13 g. | Detroit | National League | Detroit, MI |
| Welch | welch-001--- | 1881 | 9/28 | New York Quicksteps | Eastern Championship Association | New York, NY | |
| Mickey Welch | welch-003mic | 1881 | 40 g. | Troy | National League | Troy, NY | |
| Whaley | whaley003--- | 1881 | 7 g. | San Francisco Athletics | California League | San Francisco, CA | |
| White | white-095--- | 1881 | 2 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| White | white-057--- | 1881 | 5/21-5/28 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Bill White | white-003bil | 1881 | Akron | Independent | Akron, OH | ||
| Deacon White | white-002dea | 1881 | 78 g. | Buffalo | National League | Buffalo, NY | |
| Warren White | white-002war | 1881 | President | EastChamp | , | ||
| Will White | white-019wil | 1881 | 2 g. | Detroit | National League | Detroit, MI | |
| Ed Whiting | whitin001ed- | 1881 | 5/28 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Ed Whiting | whitin001ed- | 1881 | 7/2 | Philadelphia Athletics | Eastern Championship Association | Philadelphia, PA | |
| Art Whitney | whitne002art | 1881 | 58 g. | Detroit | National League | Detroit, MI | |
| Jim Whitney | whitne001jim | 1881 | 5/2 - | 75 g. | Boston | National League | Boston, MA |
| Willey | willey002--- | 1881 | 9 g. | San Francisco Mystics | New California League | San Francisco, CA | |
| Arthur Williams | willia004art | 1881 | Westhol Firemen | s-p | Westhol, | ||
| Ed Williamson | willia001ned | 1881 | -9/29 | 82 g. | Chicago | National League | Chicago, IL |
| Julius Willigrod | willig001jul | 1881 | 8 g. | San Francisco Knickerbockers | California League | San Francisco, CA | |
| Winslow | winslo001--- | 1881 | 5/2, 8/1 | Brooklyn Atlantics | Eastern Championship Association | Brooklyn, NY | |
| Bill Wise | wise--001bil | 1881 | 5/9-6/8 | Washington Nationals/Albany | Eastern Championship Association | Washington, DC | |
| Sam Wise | wise--001sam | 1881 | Akron | Independent | Akron, OH | ||
| Sam Wise | wise--001sam | 1881 | 7/30 - | 1 g. | Detroit | National League | Detroit, MI |
| Chicken Wolf | wolf--001chi | 1881 | Louisville Eclipse | Independent | Louisville, KY | ||
| George Wood | wood--004geo | 1881 | 80 g. | Detroit | National League | Detroit, MI | |
| Woods | woods-002--- | 1881 | 6 g. | Oakland | New California League | Oakland, CA | |
| George Wright | wright007geo | 1881 | 7 g. | Boston | National League | Boston, MA | |
| Harry Wright | wright004har | 1881 | Boston | National League | Boston, MA | ||
| Sam Wright | wright004sam | 1881 | 9/23 | 1 g. | Boston | National League | Boston, MA |
| Tom York | york--001tom | 1881 | 85 g. | Providence | National League | Providence, RI |