exactmatch =
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There are 2909 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Adams | adams-001--- | 1886 | 5/8-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Henry Adams | 1886 | LaCrosse | LaCrosse, WI | ||||
| Arthur Agan | agan--001art | 1886 | Oneida | CNY | Oneida, NY | ||
| Arthur Agan | agan--001art | 1886 | Little Falls | CNY | Little Falls, NY | ||
| Tom Ahern | ahern-000tom | 1886 | 32 g. | Sacramento | California League | Sacramento, CA | |
| Aiken | aiken-003--- | 1886 | +4/10+ | Dartmouth U. | College | , | |
| Aiken | aiken-003--- | 1886 | Rutland | Independent | Rutland, VT | ||
| John Ake | ake---001joh | 1886 | 5/1-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| John Ake | ake---001joh | 1886 | 7/13-10/2 | Boston Blues | New England League | Boston, MA | |
| Gus Alberts | albert001gus | 1886 | Reading Actives | Independent | Reading, PA | ||
| Gus Alberts | albert001gus | 1886 | 5/8-9/25 | Toronto Canucks | International League | Toronto, ON | |
| Ernest Albro | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| Charles Alcott | alcott001cha | 1886 | 5/8-7/29 | Syracuse Stars | International League | Syracuse, NY | |
| Charles Alcott | alcott001cha | 1886 | Oneida | CNY | Oneida, NY | ||
| George Aldrich | aldric000geo | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Alexander | alexan008--- | 1886 | 6/20-10/10 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Alexander | alexan008--- | 1886 | 10/14-10/31 | Mobile | Gulf League | Mobile, AL | |
| Nin Alexander | alexan001nin | 1886 | St. Joseph Reds | Western League | St. Joseph, MO | ||
| Allen | allen-072--- | 1886 | +7/5+ | Richmond | Virginia League | Richmond, VA | |
| Allen | allen-004--- | 1886 | 7/7-7/13 | Buffalo Bisons | International League | Buffalo, NY | |
| Edward Allen | allen-004edw | 1886 | Bradford | Independent | Bradford, PA | ||
| Myron Allen | allen-001myr | 1886 | 1 g. | Boston | National League | Boston, MA | |
| Myron Allen | allen-001myr | 1886 | 46 g. | Kingston | Hudson River League | Kingston, NY | |
| James Allison | alliso005jam | 1886 | Jersey City Blues | Independent | Jersey City, NJ | ||
| Charles Almin | almin-001--- | 1886 | U. of Michigan | College | , | ||
| Charles Almin | almin-001--- | 1886 | 5/8-5/9+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Charles Almin | almin-001--- | 1886 | Milwaukee Bay View | Independent | Milwaukee, WI | ||
| Charles Almin | almin-001--- | 1886 | 8/23-9/14 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Billy Alvord | alvord001bil | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| Billy Alvord | alvord001bil | 1886 | 5/27-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Robert Ammerman | ammerm001r-- | 1886 | Danville HS | HighSchool | , | ||
| Varney? Anderson | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | ||
| Ed Andrews | andrew001ed- | 1886 | 107 g. | Philadelphia | National League | Philadelphia, PA | |
| Wally Andrews | andrew002wal | 1886 | 4/15-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Wally Andrews | andrew002wal | 1886 | 9/7-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Wyman Andrus | andrus001wym | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Bill Annis | annis-001bil | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Cap Anson | anson-001cap | 1886 | 125 g. | Chicago | National League | Chicago, IL | |
| Joe Ardner | ardner001joe | 1886 | 5/8-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| Joe Ardner | ardner001joe | 1886 | 9/25-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Arlington | arling000--- | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Dan Armbruster | armbru001dan | 1886 | 6 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Dan Armbruster | armbru001dan | 1886 | 3 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Dan Armbruster | armbru001dan | 1886 | 8 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Billy Arnold | arnold001bil | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| Jack Arnold | arnold001jac | 1886 | 12 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Jack Arnold | arnold001jac | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Hustling Arthur | 1886 | San Francisco Californias | California State League | San Francisco, CA | |||
| Tug Arundel | arunde001tug | 1886 | 4/15-7/5 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Tug Arundel | arunde001tug | 1886 | 7/7-9/4 | Savannah | Southern Association | Savannah, GA | |
| Tug Arundel | arunde001tug | 1886 | 9/18-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Tug Arundel | arunde001tug | 1886 | 9/28-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Frank Ash | ash---001fra | 1886 | 9/2-9/3 | Memphis Grays | Southern Association | Memphis, TN | |
| Al Atkinson | atkins001al- | 1886 | 45 g. | Philadelphia | American Association | Philadelphia, PA | |
| William Avery | avery-002wil | 1886 | 17 g. | Kingston | Hudson River League | Kingston, NY | |
| Jake Aydelott | aydelo001jak | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Jake Aydelott | aydelo001jak | 1886 | - 7/13 | 2 g. | Philadelphia | American Association | Philadelphia, PA |
| E. F. Ayrault | 1886 | Columbia Univ. | College | , | |||
| George Backer | backer001geo | 1886 | 4/21- | Corning | Independent | Corning, NY | |
| George Backer | backer001geo | 1886 | 5/29-6/5 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Herman Bader | bader-001her | 1886 | St. Louis Prickly Ash | Independent | St. Louis, MO | ||
| Herman Bader | bader-001her | 1886 | +6/30-7/19+ | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Ed Bagley | bagley001ed- | 1886 | 5/20-8/13 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Ed Bagley | bagley001ed- | 1886 | 9/4-9/8 | Brockton | New England League | Brockton, MA | |
| Gene Bagley | begley001gen | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Gene Bagley | begley001gen | 1886 | 5/11-7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Gene Bagley | begley001gen | 1886 | 9/11-10/1 | 5 g. | New York | National League | New York, NY |
| Timothy Bailey | bailey003tim | 1886 | St. Louis Shamrocks | Independent | St. Louis, MO | ||
| Baker | baker-015--- | 1886 | Corning | Amat | Corning, NY | ||
| Baker | baker-015--- | 1886 | 7/24 | Syracuse Stars | International League | Syracuse, NY | |
| Charlie Baker | baker-007cha | 1886 | 7/22 | Haverhill | New England League | Haverhill, MA | |
| George Baker | baker-007geo | 1886 | 5/1 | 1 g. | Kansas City | National League | Kansas City, MO |
| Lewis Baker | baker-001lew | 1886 | 5/10-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Norm Baker | baker-001nor | 1886 | 4/15-8/21 | Nashville Americans | Southern Association | Nashville, TN | |
| Norm Baker | baker-001nor | 1886 | 9/5-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Phil Baker | baker-002phi | 1886 | - 9/2 | 81 g. | Washington | National League | Washington, DC |
| Jersey Bakley | bakely001jer | 1886 | 5/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Kid Baldwin | baldwi001kid | 1886 | 87 g. | Cincinnati | American Association | Cincinnati, OH | |
| Lady Baldwin | baldwi001lad | 1886 | 57 g. | Detroit | National League | Detroit, MI | |
| Mark Baldwin | baldwi001mar | 1886 | 5/8-9/29 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Will Baldwin | 1886 | East Saginaw | East Saginaw, MI | ||||
| Frank Bancroft | bancro001fra | 1886 | 5/8-8/? | Rochester Maroons | International League | Rochester, NY | |
| Jim Banning | bannin001jim | 1886 | 6/10-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Charlie Barber | barber001cha | 1886 | 5/8-6/18 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| William Barclay | barcla001wil | 1886 | Cochituates | Independent | Cochituates, | ||
| William Barclay | barcla001wil | 1886 | 9/7 | Lawrence | New England League | Lawrence, MA | |
| Sam Barkley | barkle001sam | 1886 | 122 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Barnard | barnar003--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Barnard | barnar003--- | 1886 | 7/12 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Doug Barnes | barnes001dou | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| John Barnes | barnes003joh | 1886 | 5/6-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Albert Barney | barney001alb | 1886 | 7/31-9/1 | Boston Blues | New England League | Boston, MA | |
| James Barnfather | barnfa001jam | 1886 | Peterboro | Independent | Peterboro, ON | ||
| Billy Barnie | barnie001bil | 1886 | -6/28 | 2 g. | Baltimore | American Association | Baltimore, MD |
| Bob Barr | barr--001bob | 1886 | 23 g. | Washington | National League | Washington, DC | |
| Bob Barr | barr--001bob | 1886 | 8/31-9/21 | Rochester Maroons | International League | Rochester, NY | |
| Barrett | barret048--- | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Barrett | barret001--- | 1886 | +8/8+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Romeo Barry | barry-001rom | 1886 | 13 g. | Sacramento | California League | Sacramento, CA | |
| R. Bartell | bartel001r-- | 1886 | +7/30+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| B.L. Barton | barton001b-- | 1886 | Ipswich | Independent | Ipswich, MA | ||
| Charley Bassett | basset001cha | 1886 | 90 g. | Kansas City | National League | Kansas City, MO | |
| Charlie Bastian | bastia001cha | 1886 | 105 g. | Philadelphia | National League | Philadelphia, PA | |
| Jack Batchelder | batche001jac | 1886 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Bates | bates-002--- | 1886 | +5/18-6/26+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Joe Battin | battin001joe | 1886 | 5/1-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Al Bauer | bauer-001al- | 1886 | -6/11 | 4 g. | St. Louis Maroons | National League | St. Louis, MO |
| Al Bauer | bauer-001al- | 1886 | +7/9-8/19+ | Topeka Capitals | Western League | Topeka, KS | |
| Al Bauer | bauer-001al- | 1886 | Hastings | Independent | Hastings, NE | ||
| James Baxter | baxter004jam | 1886 | 5/3-8/19 | Lawrence | New England League | Lawrence, MA | |
| Jack Beach | beach-001jac | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | |
| Jack Beach | beach-001jac | 1886 | 6/23-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Dave Beadle | beadle001dav | 1886 | New York Delaware | Independent | New York, NY | ||
| Ollie Beard | beard-001oll | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Ollie Beard | beard-001oll | 1886 | 9/6-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Ed Beatin | beatin001ed- | 1886 | Frederick | Independent | Frederick, MD | ||
| Beaumont | beaumo002--- | 1886 | 7/5-9/2 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Beaumont | beaumo002--- | 1886 | 9/21 | New Orleans | Gulf League | New Orleans, LA | |
| Buck Becannon | becann001buc | 1886 | 5/17-7/3 | Binghamton Crickets | International League | Binghamton, NY | |
| Buck Becannon | becann001buc | 1886 | 7/19-8/2 | Buffalo Bisons | International League | Buffalo, NY | |
| Buck Becannon | becann001buc | 1886 | 8/11-9/30 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Bechtel | bechte001--- | 1886 | 6/29 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Frank Beck | beck--001fra | 1886 | 7/7 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Jake Beckley | beckle001jac | 1886 | 5/-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Oscar Bedell | bedell001osc | 1886 | 13 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Walter Beebe | beebe-001wal | 1886 | 14 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Walter Beebe | beebe-001wal | 1886 | Kingston | Hudson River League | Kingston, NY | ||
| Beecher | 1886 | Baltimore Harlems | Independent | Baltimore, MD | |||
| Ed Beecher | beeche001ed- | 1886 | 5/1-6/22 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Ed Beecher | beeche001ed- | 1886 | 7/3-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Jesse Beecher | beeche001jes | 1886 | 5/1-8/25 | Lawrence | New England League | Lawrence, MA | |
| John Beeler | beeler001joh | 1886 | 5/6-6/7+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Beeler | beeler001joh | 1886 | +7/15+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| James Behan | behan-001jam | 1886 | 4/25- | Robert E. Lee's | Gulf League | New Orleans, LA | |
| James Behan | behan-001jam | 1886 | 6/20-8/2 | Mobile | Gulf League | Mobile, AL | |
| James Behan | behan-001jam | 1886 | 8/7-8/28 | Macon | Southern Association | Macon, GA | |
| James Behan | behan-001jam | 1886 | 9/2-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Steve Behel | behel-001ste | 1886 | -8/26 | 59 g. | New York | American Association | New York, NY |
| Steve Behel | behel-001ste | 1886 | 9/14-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Steve Behel | behel-001ste | 1886 | 9/28-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Bell | 1886 | 7/12 | New Orleans | Gulf League | New Orleans, LA | ||
| Jack Bellman | bellma001jac | 1886 | 9/18-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Bender | 1886 | San Francisco Pioneers | California League | San Francisco, CA | |||
| Charlie Bennett | bennet005cha | 1886 | 72 g. | Detroit | National League | Detroit, MI | |
| Eddie Bennett | bennet001edd | 1886 | 28 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Phil Bennett | bennet001phi | 1886 | Ca/CaSt | , | |||
| W.F. Bent | bent--001w-- | 1886 | Oneida | CNY | Oneida, NY | ||
| Berial | berial001--- | 1886 | 8/1 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Berkery | berker001--- | 1886 | 6/30 | New Orleans | Gulf League | New Orleans, LA | |
| Berkery | berker002--- | 1886 | 7/6 | Mobile | Gulf League | Mobile, AL | |
| Berkery | berker003--- | 1886 | 10/4 | New Orleans | Gulf League | New Orleans, LA | |
| John Berkery | berker001joh | 1886 | 10/10-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Martin Berkery | berker002mar | 1886 | New Orleans Brennans | Independent | New Orleans, LA | ||
| Martin Berkery | berker002mar | 1886 | Vicksburg | Independent | Vicksburg, MS | ||
| Martin Berkery | berker002mar | 1886 | New Orleans Crusos | Independent | New Orleans, LA | ||
| Rhody Berkery | berker001rho | 1886 | 7/22-9/12 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Rhody Berkery | berker001rho | 1886 | 10/14-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Charlie Berry | berry-003cha | 1886 | 35 g. | Newburgh | Hudson River League | Newburgh, NY | |
| John Best | 1886 | Philadelphia Somerset | Independent | Philadelphia, PA | |||
| William Betz | betz--001wil | 1886 | 25 g. | Kingston | Hudson River League | Kingston, NY | |
| Dan Bickham | bickha001dan | 1886 | 8/13 | 1 g. | Cincinnati | American Association | Cincinnati, OH |
| Bidwell | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| Lou Bierbauer | bierba002lou | 1886 | 4/17- | 137 g. | Philadelphia | American Association | Philadelphia, PA |
| Connie Bigelow | bigelo001con | 1886 | 19 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| George Bignell | bignel001geo | 1886 | 5/1-6/3 | Brockton | New England League | Brockton, MA | |
| George Bignell | bignel001geo | 1886 | +7/4-7/20+ | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Bishop | bishop001--- | 1886 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | ||
| Bill Bishop | bishop002bil | 1886 | Allegheny | Independent | Allegheny, PA | ||
| Bill Bishop | bishop018--- | 1886 | 6/23-7/24+ | Richmond | Virginia League | Richmond, VA | |
| Bill Bishop | bishop002bil | 1886 | 9/13- | 2 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Frank Bishop | bishop001fra | 1886 | 5/6-9/10 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Red Bittmann | bittma001red | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Red Bittmann | bittma001red | 1886 | 9/7-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Bob Black | black-002bob | 1886 | 4/15-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| George Blackstock | blacks001geo | 1886 | 5/8-6/21+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Butch Blake | blake-002m-- | 1886 | 5/12-8/22 | Leadville Blues | Western League | Leadville, CO | |
| Bob Blakiston | blakis001bob | 1886 | 5/28-6/13 | Rochester Maroons | International League | Rochester, NY | |
| Bob Blakiston | blakis001bob | 1886 | 6/19-6/28 | Binghamton Crickets | International League | Binghamton, NY | |
| Bob Blakiston | blakis001bob | 1886 | 10 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Bob Blakiston | blakis001bob | 1886 | 8 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Blanchard | blanch001--- | 1886 | +7/24-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| Bland | 1886 | +7/5-7/9+ | Norfolk | Virginia League | Norfolk, VA | ||
| Ned Bligh | bligh-001ned | 1886 | Nassau Athletic | Independent | Nassau, | ||
| Ned Bligh | bligh-001ned | 1886 | 6/26- | 3 g. | Baltimore | American Association | Baltimore, MD |
| Ned Bligh | bligh-001ned | 1886 | 7/23-8/13 | Lawrence | New England League | Lawrence, MA | |
| Bockenfohr | bocken001--- | 1886 | 4/- | New Orleans | Independent | New Orleans, LA | |
| Bockenfohr | bocken001--- | 1886 | 6/20-10/18 | New Orleans | Gulf League | New Orleans, LA | |
| Joseph Bohannon | bohann001jos | 1886 | 5/12+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Daniel Boland | boland001dan | 1886 | Ishpeming | Independent | Ishpeming, MI | ||
| Bomard | bomard001--- | 1886 | 7/11-8/23 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Tommy Bond | bond--001tom | 1886 | 7/5-7/17 | Brockton | New England League | Brockton, MA | |
| George Borchers | borche001geo | 1886 | 18 g. | Sacramento | California League | Sacramento, CA | |
| Harry Boschen | bosche001har | 1886 | 6/21-7/? | Richmond | Virginia League | Richmond, VA | |
| Botd | botd--001--- | 1886 | 5/12+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Bothner | bothne001--- | 1886 | 7/4-7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Bothner | bothne001--- | 1886 | 10/26 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| E.L. Bouchard | boucha001e-- | 1886 | St. Louis Peach Pies | Independent | St. Louis, MO | ||
| E.L. Bouchard | boucha001e-- | 1886 | Alton | Independent | Alton, IL | ||
| Bouche | bouche011--- | 1886 | 6 g. | Stockton | California State League | Stockton, CA | |
| Thomas Bowen | bowen-015--- | 1886 | 18 g. | Saratoga | Hudson River League | Saratoga, NY | |
| Cooney Bowers | bowers001coo | 1886 | 9/4-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Sumner Bowman | bowman001sum | 1886 | DickinsonCol. | College | , | ||
| Ben Boyd | boyd--001ben | 1886 | 5/9- | 43 g. | Cuban Giants | Independent | Cuban, |
| G. A. Boyle | 1886 | no g. | Providence Grays | Eastern League | Providence, RI | ||
| Henry Boyle | boyle-001hen | 1886 | 30 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Henry Boyle | boyle-001hen | 1886 | 8/30 | MLB Umpire | National League | , | |
| Jack Boyle | boyle-001jac | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Jack Boyle | boyle-001jac | 1886 | 10/8- | 1 g. | Cincinnati | American Association | Cincinnati, OH |
| Charles Bradley | bradle001m-- | 1886 | Topeka Capitals | Western League | Topeka, KS | ||
| Charles Bradley | bradle001m-- | 1886 | 6/?- | Abilene | Independent | Abilene, KS | |
| Foghorn Bradley | bradle001fog | 1886 | -8/31 | 78 g. | MLB Umpire | American Association | , |
| George Bradley | bradle002geo | 1886 | 13 g. | Philadelphia | American Association | Philadelphia, PA | |
| George Bradley | bradle002geo | 1886 | 5/29-6/5 | Rochester Maroons | International League | Rochester, NY | |
| George Bradley | bradle002geo | 1886 | 7/21-8/23 | Binghamton Crickets | International League | Binghamton, NY | |
| George Bradley | bradle002geo | 1886 | 9/11-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| Henry Bradley | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| M.J. Bradley | bradle001m-- | 1886 | +7/9-7/24 | Topeka Capitals | Western League | Topeka, KS | |
| Michael Bradley | bradle004mic | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Nick Bradley | bradle002nic | 1886 | 4/15-4/19 | Memphis Grays | Southern Association | Memphis, TN | |
| Nick Bradley | bradle002nic | 1886 | 9/1-9/11 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Charles Brady | 1886 | 41 g. | Newburgh | Hudson River League | Newburgh, NY | ||
| Ed Brady | brady-001ed- | 1886 | 8/10 | Macon | Southern Association | Macon, GA | |
| Steve Brady | brady-002ste | 1886 | 124 g. | New York | American Association | New York, NY | |
| Brandt | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | ||
| Jack Brennan | brenna002jac | 1886 | Bloomington | Independent | Bloomington, IL | ||
| Jack Brennan | brenna002jac | 1886 | Little Rock | Independent | Little Rock, AR | ||
| James Brennan | brenna007jam | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| John Brennan | 1886 | 4/15-7/6 | Umpire | So | , | ||
| Crist Brenneman | brenne001chr | 1886 | 5/8-5/? | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| O. S. Brenton | 1886 | Omaha Union Pacific | Independent | Omaha, NE | |||
| Maurice Bresnahan | bresna001mau | 1886 | 5/1-8/14 | Haverhill | New England League | Haverhill, MA | |
| Maurice Bresnahan | bresna001mau | 1886 | 7/12 | Lawrence | New England League | Lawrence, MA | |
| John Briel | briel-001joh | 1886 | 5/10-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Briggs | briggs001--- | 1886 | +7/18-9/11 | Leadville Blues | Western League | Leadville, CO | |
| Briggs | briggs008--- | 1886 | 6/21-7/24+ | Richmond | Virginia League | Richmond, VA | |
| Grant Briggs | briggs008--- | 1886 | 6/21-7/26+ | Richmond | Virginia League | Richmond, VA | |
| Sinclair Brigham | brigha001sin | 1886-87 | Yale University | College | , | ||
| George Bright | bright001geo | 1886 | 5/12-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Frank Brill | brill-001fra | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Frank Brill | brill-001fra | 1886 | 5/11-7/19 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Frank Brill | brill-001fra | 1886 | 8/7-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| Fatty Briody | briody001fat | 1886 | 56 g. | Kansas City | National League | Kansas City, MO | |
| Steve Brodie | brodie001wal | 1886 | Roanoke | Indpendent | Richmond, VA | ||
| Brooks | brooks005--- | 1886 | 6/1 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Brooks | brooks040--- | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Brooks | brooks041--- | 1886 | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Henry Brooks | brooks002hen | 1886 | 5/11-7/12 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Henry Brooks | brooks002hen | 1886 | 7/31-8/11 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Henry Brooks | brooks002hen | 1886 | 8/14-9/30 | Umpire | PaSt | , | |
| Timothy Brosnan | brosna001tim | 1886 | 4/15-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Timothy Brosnan | brosna001tim | 1886 | 9/11-9/21 | Brockton | New England League | Brockton, MA | |
| Cal Broughton | brough001cal | 1886 | 4/23-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Cal Broughton | brough001cal | 1886 | 9/8-9/18 | Syracuse Stars | International League | Syracuse, NY | |
| Dan Brouthers | brouth001den | 1886 | 121 g. | Detroit | National League | Detroit, MI | |
| Jim Brouthers | brouth001jam | 1886 | 5/8-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| M. Brouthers | brouth001m-- | 1886 | 8/25 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Brown | brown-002--- | 1886 | Mobile | Gulf League | Mobile, AL | ||
| George Brown | 1886 | St. Louis | Amat | St. Louis, MO | |||
| Jim Brown | brown-003jim | 1886 | 4/19-5/8 | Augusta Browns | Southern Association | Augusta, GA | |
| Jim Brown | brown-003jim | 1886 | 6/2-6/19 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Jim Brown | brown-003jim | 1886 | 7/28 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Joe Brown | brown-004joe | 1886 | 5/1-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Joe Brown | brown-004joe | 1886 | 10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Tom Brown | brown-012tho | 1886 | 115 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| William Brown | brown-027wil | 1886 | 20 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| William Brown | brown-027wil | 1886 | 12 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| William Brown | 1886 | 3 g. | San Francisco Haverlys | California League | San Francisco, CA | ||
| William Brown | 1886 | 3 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Pete Browning | browni001pet | 1886 | 112 g. | Louisville | American Association | Louisville, KY | |
| Will Bryan | bryan-004wil | 1886 | preseason | Charleston Seagulls | Southern Association | Charleston, SC | |
| Tod Brynan | brynan001tod | 1886 | 4/17-5/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Tod Brynan | brynan001tod | 1886 | 6/24-8/10 | Memphis Grays | Southern Association | Memphis, TN | |
| Tod Brynan | brynan001tod | 1886 | 9/5+ | Milton | Independent | Milton, PA | |
| Al Buckenberger | bucken001al- | 1886 | 42 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Buckley | buckle015--- | 1886 | +7/19-9/29 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Dick Buckley | buckle001dic | 1886 | 5/8-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Tom Buckley | buckle001tom | 1886 | 29 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Buerger | buerge002--- | 1886 | 5/12+ | Leadville Blues | Western League | Leadville, CO | |
| Charlie Buffinton | buffin001cha | 1886 | 44 g. | Boston | National League | Boston, MA | |
| James Bufford | buffor001jam | 1886 | 2 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| James Bufford | buffor001jam | 1886 | 14 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| James Bufford | buffor001jam | 1886 | 7 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Buick | buick-000--- | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| George Burbridge | burbri002geo | 1886 | Vincennes | Independent | Vincennes, IN | ||
| Ernie Burch | burch-001ern | 1886 | 113 g. | Brooklyn | American Association | Brooklyn, NY | |
| Roxy Burchard | burcha001g-- | 1886 | 5/15-7/12+ | Topeka Capitals | Western League | Topeka, KS | |
| Bill Burdick | burdic001bil | 1886 | 5/7-9/29 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Jack Burdock | burdoc001jac | 1886 | 59 g. | Boston | National League | Boston, MA | |
| Frank Burgor | 1886 | 7/3-9/11 | Little Falls | CNY | Little Falls, NY | ||
| Burke | burke-076--- | 1886 | 8/16 | Haverhill | New England League | Haverhill, MA | |
| Dan Burke | burke-001dan | 1886 | 8/14-9/25 | Brockton | New England League | Brockton, MA | |
| Eddie Burke | burke-002edd | 1886 | 6/8-6/12 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Eddie Burke | burke-002edd | 1886 | 6/24-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Eddie Burke | burke-002edd | 1886 | 8/17-9/29 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| John Burke | burke-010joh | 1886 | 7/29 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| John Burke | burke-008joh | 1886 | 5/1-10/2 | Lawrence | New England League | Lawrence, MA | |
| William Burke | burke-007wil | 1886 | Atchison | Independent | Atchison, KS | ||
| William Burke | burke-007wil | 1886 | +6/30+ | Lincoln Tree Planters | Western League | Lincoln, NE | |
| William Burke | burke-007wil | 1886 | Abilene | Independent | Abilene, TX | ||
| William Burke | burke-007wil | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | |
| Robert Burks | burks-001rob | 1886 | 6/20-10/26 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Walter Burnham | burnha002wal | 1886 | 5/1-6/8 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Walter Burnham | burnha002wal | 1886 | 7/2-10/2 | Boston Blues | New England League | Boston, MA | |
| Watch Burnham | burnha001wal | 1886 | 1 g. | MLB Umpire | National League | , | |
| A. J. Burns | 1886 | no g. | Providence Grays | Eastern League | Providence, RI | ||
| C. J. Burns | 1886 | Hillsboro | Independent | Hillsboro, NH | |||
| Dick Burns | burns-001dic | 1886 | 5/1-7/31 | Boston Blues | New England League | Boston, MA | |
| Dick Burns | burns-001dic | 1886 | 8/19-9/25 | Brockton | New England League | Brockton, MA | |
| Harvey Burns | burns-002har | 1886 | 4/15-7/17 | Umpire | So | , | |
| Henry Burns | burns-002hen | 1886 | Nashua | New Hampshire State League | Nashua, NH | ||
| Henry Burns | burns-002hen | 1886 | Belfast | Independent | Belfast, ME | ||
| Jim Burns | burns-001jim | 1886 | Decatur | Independent | Decatur, IL | ||
| Jim Burns | burns-001jim | 1886 | 8/17-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Burns | burns-015joh | 1886 | 5/1-10/2 | Lawrence | New England League | Lawrence, MA | |
| Thomas Burns | burns-001oys | 1886 | 5/1-9/25 | Newark Little Giants | Eastern League | Newark, NJ | |
| Tom Burns | burns-001tom | 1886 | 112 g. | Chicago | National League | Chicago, IL | |
| Burroughs | burrou004--- | 1886 | 6/5-6/15 | Oswego Starchboxes | International League | Oswego, NY | |
| Henry Burtis | 1886 | Brooklyn Bedfords | Independent | Brooklyn, NY | |||
| Doc Bushong | bushon001doc | 1886 | 107 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Bill Butler | butler002bil | 1886 | Robert E. Lee's | Gulf League | New Orleans, LA | ||
| Bill Butler | butler002bil | 1886 | 5/16- | New Orleans Waters | Independent | New Orleans, LA | |
| Bill Butler | butler031--- | 1886 | 6/20-8/29 | New Orleans | Gulf League | New Orleans, LA | |
| Bill Butler | butler002bil | 1886 | 9/12-10/4 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| David Butler | butler002dav | 1886 | 5/12-9/13 | Topeka Capitals | Western League | Topeka, KS | |
| David Butler | butler002dav | 1886 | 9/15 | Denver Mountain Lions | Western League | Denver, CO | |
| Frank Butler | butler001kid | 1886 | 7/2-7/14 | Boston Blues | New England League | Boston, MA | |
| Frank Butler | butler001kid | 1886 | 8/19 | Haverhill | New England League | Haverhill, MA | |
| Charlie Byrne | byrne-001cha | 1886 | Brooklyn | American Association | Brooklyn, NY | ||
| Jim Byrnes | 1886 | 4/4-5/2 | San Francisco Star | California League | San Francisco, CA | ||
| J. Cadogan | cadoga001j-- | 1886 | 2 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Charlie Cady | cady--001cha | 1886 | 5/6-5/27+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Charlie Cady | cady--001cha | 1886 | 6/9-6/12 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Charlie Cady | cady--001cha | 1886 | 7/26 | Haverhill | New England League | Haverhill, MA | |
| Charlie Cady | cady--001cha | 1886 | 8/3-8/5 | Boston Blues | New England League | Boston, MA | |
| Cahalan | 1886 | Oakland Greenhood & Morans | California League | Oakland, CA | |||
| Frank Cahill | cahill001--- | 1886 | 5/12+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Frank Cahill | cahill000f-- | 1886 | 7/ - 9/20 | Cairo | Independent | Cairo, IL | |
| John Cahill | cahill006joh | 1886 | 125 g. | St. Louis Maroons | National League | St. Louis, MO | |
| John Cahill | cahill006joh | 1886 | 5 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| John Cahill | cahill008joh | 1886 | Cleveland Electics | Independent | Cleveland, OH | ||
| Cain | cain--002--- | 1886 | 4/25-4/30 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| George Cain | cain--002geo | 1886 | Allentown | Independent | Allentown, PA | ||
| Cain/Kane | 1886 | +6/4-6/12+ | Lynchburg | Independent | Lynchburg, VA | ||
| Cain/Kane | 1886 | 6/21-8/9 | Lynchburg | Virginia League | Lynchburg, VA | ||
| Calhoun | calhou008--- | 1886 | 5/12+ | St. Joseph Reds | Western League | St. Joseph, MO | |
| Charles Calhoun | calhou002cha | 1886 | 6/19-7/13 | Buffalo Bisons | International League | Buffalo, NY | |
| Tom Calihan | callah001tho | 1886 | 5/17-9/3 | Buffalo Bisons | International League | Buffalo, NY | |
| Tom Calihan | callah001tho | 1886 | 9/7 | Oswego Starchboxes | International League | Oswego, NY | |
| Will Calihan | caliha001wil | 1886 | Rochester Ninth Ward Stars | Independent | Rochester, NY | ||
| Pat Callaghan | callag001pat | 1886 | 5/11-7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Abe Callahan | callah001abe | 1886 | 17 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Abe Callahan | callah001abe | 1886 | 4 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| William Callendar | callen001wil | 1886 | 5/28 | Oswego Starchboxes | International League | Oswego, NY | |
| William Callendar | callen001wil | 1886 | Decatur | Independent | Decatur, IL | ||
| John Campana | campan001joh | 1886 | 5/1-8/28 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| John Campana | campan001joh | 1886 | 9/1-9/25 | Brockton | New England League | Brockton, MA | |
| John Campana | campan001joh | 1886 | 9/29-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Count Campau | campau001cha | 1886 | 62 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Harry Campbell | campbe003j-- | 1886 | Staten Island | Independent | Staten Island, NY | ||
| William Campion | campio002wil | 1886 | 5/3-5/24 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| William Campion | campio002wil | 1886 | 6/11-10/1 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Jim Canavan | canava001jim | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Hugh Cannon | cannon001hug | 1886 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Hugh Cannon | cannon001hug | 1886 | 6 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Hugh Cannon | cannon001hug | 1886 | 3 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Joe Cantillon | cantil001jos | 1886 | 5/6-5/9+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Joe Cantillon | cantil001jos | 1886 | +5/18-6/26+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Joe Cantillon | cantil001jos | 1886 | Dubuque | Independent | Dubuque, IA | ||
| Bart Cantz | cantz-001bar | 1886 | 5/4-5/19 | Long Island A's | Eastern League | Long Island City, NY | |
| Bart Cantz | cantz-001bar | 1886 | 6/2-8/13 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Carey | carey-005--- | 1886 | 7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Roger Carey | carey-001rog | 1886 | Little Falls | Independent | Little Falls, NY | ||
| Fred Carl | carl--001fre | 1886 | 5/1-9/30 | Haverhill | New England League | Haverhill, MA | |
| John Carlin | carlin002joh | 1886 | 9/2-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Jack Carney | carney002joh | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Hick Carpenter | carpen001hic | 1886 | 111 g. | Cincinnati | American Association | Cincinnati, OH | |
| E.S. Carr | carr--001b-- | 1886 | 5/24 | Buffalo Bisons | International League | Buffalo, NY | |
| E.S. Carr | carr--001e-- | 1886 | +6/30+ | Leadville Blues | Western League | Leadville, CO | |
| Peter Carrigan | carrig001pet | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Cliff Carroll | carrol002cli | 1886 | 111 g. | Washington | National League | Washington, DC | |
| Frank Carroll | carrol004fra | 1886 | 31 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Frank Carroll | carrol004fra | 1886 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Fred Carroll | carrol001fre | 1886 | 122 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| John Carroll | carrol001scr | 1886 | 5/11-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Ed Cartwright | cartwr001ed- | 1886 | 4/25- | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Ed Cartwright | cartwr001ed- | 1886 | 6/20-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Bob Caruthers | caruth001bob | 1886 | 87 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Casey | casey-032--- | 1886 | Richmond | Virginia League | Richmond, VA | ||
| Dan Casey | casey-002dan | 1886 | 44 g. | Philadelphia | National League | Philadelphia, PA | |
| Dennis Casey | casey-002den | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Ed Caskin | caskin001ed- | 1886 | 1 g. | New York | National League | New York, NY | |
| Ed Caskin | caskin001ed- | 1886 | 5/8-6/1 | Rochester Maroons | International League | Rochester, NY | |
| Ed Caskin | caskin001ed- | 1886 | 8/23-10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| R. J. Cassiday | cassid001r-- | 1886 | 5/11-9/10 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Cassman | cassma001--- | 1886 | 9/17-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Happy Cate | cate--000hap | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Happy Cate | cate--000hap | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Happy Cate | cate--000hap | 1886 | 13 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| J.D. Cavanaugh | cavana001j-- | 1886 | no g. | Utica Pent Ups | International League | Utica, NY | |
| J.D. Cavanaugh | cavana001j-- | 1886 | +6/19-8/13+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Caveney | cavene000--- | 1886 | 25 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Cayce | cayce-000--- | 1886 | Richmond | Indpendent | Richmond, VA | ||
| Cayce | cayce-000--- | 1886 | +7/22-7/26+ | Richmond | Virginia League | Richmond, VA | |
| Ollie Caylor | caylor001oll | 1886 | Cincinnati | American Association | Cincinnati, OH | ||
| Ice Box Chamberlain | chambe001ice | 1886 | 4/29-8/28 | Macon | Southern Association | Macon, GA | |
| Ice Box Chamberlain | chambe001ice | 1886 | 9/13- | 6 g. | Louisville | American Association | Louisville, KY |
| George C.? Chapman | 1886 | 22 g. | Kingston | Hudson River League | Kingston, NY | ||
| George C.? Chapman | 1886 | Troy Trojans | Hudson River League | Troy, NY | |||
| Jack Chapman | chapma002jac | 1886 | 5/8-9/28 | Buffalo Bisons | International League | Buffalo, NY | |
| Chase | chase-004--- | 1886 | +7/23+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Chase | 1886 | CaSt | , | ||||
| Childs | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | ||
| Cupid Childs | childs001cla | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | |
| Cupid Childs | childs001cla | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| Cupid Childs | childs001cla | 1886 | 8/17-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| H.B. Chrisman | chrism001h-- | 1886 | 5/8-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| John Clapp | clapp-001joh | 1886 | 5/11-7/ | Umpire | Int | , | |
| Daniel Clare | clare-001dan | 1886 | Long Island A's | Eastern League | Long Island City, NY | ||
| Bob Clark | clark-001bob | 1886 | 4/17- | 71 g. | Brooklyn | American Association | Brooklyn, NY |
| Charles Clark | clark-001c-- | 1886 | +5/22-7/4+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Ed Clark | clark-002ed- | 1886 | 4/16-5/12 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Ed Clark | clark-002ed- | 1886 | 5/24 | Macon | Southern Association | Macon, GA | |
| Ed Clark | clark-002ed- | 1886 | 5/26 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Ed Clark | clark-002ed- | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Ed Clark | clark-002ed- | 1886 | 7/4 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Ed Clark | clark-002ed- | 1886 | 9/20 | Oswego Starchboxes | International League | Oswego, NY | |
| Thomas Clark | clark-004tho | 1886 | 5/5-5/19 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Andy Clarke | clarke001and | 1886 | 6/25-7/13 | Buffalo Bisons | International League | Buffalo, NY | |
| Artie Clarke | clarke001art | 1886 | Brown Univ. | College | , | ||
| Dad Clarke | clarke001dad | 1886 | Norwich | CNYSt | Norwich, NY | ||
| John Clarkson | clarks001joh | 1886 | 55 g. | Chicago | National League | Chicago, IL | |
| Clayton | clayto005--- | 1886 | 5/1 | Long Island A's | Eastern League | Long Island City, NY | |
| Edward Clayton | clayto001edw | 1886 | +6/4-6/12+ | Lynchburg | Independent | Lynchburg, VA | |
| Edward Clayton | clayto001edw | 1886 | 6/21-7/10 | Lawrence | New England League | Lawrence, MA | |
| Frank Clements | clemen004fra | 1886 | 6/21-7/31 | Petersburg | Virginia League | Petersburg, VA | |
| Jack Clements | clemen001jac | 1886 | 54 g. | Philadelphia | National League | Philadelphia, PA | |
| Elmer Cleveland | clevel001elm | 1886 | 5/8-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| C. Clifford | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| Monk Cline | cline-001mon | 1886 | 4/15-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Jim Clinton | clinto001jim | 1886 | 23 g. | Baltimore | American Association | Baltimore, MD | |
| Jim Clinton | clinto001jim | 1886 | 8/12-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Michael Cody | cody--001mic | 1886 | 5/8-9/29 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Coffin | coffin004--- | 1886 | 5/6-5/22+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Coleman | colema002joh | 1886 | 121 g. | Philadelphia | American Association | Philadelphia, PA | |
| John Coleman | colema002joh | 1886 | 11 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Billy Colgan | colgan001ed- | 1886 | 5/31-7/5 | Memphis Grays | Southern Association | Memphis, TN | |
| Billy Colgan | colgan001ed- | 1886 | 7/31-9/5 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Billy Colgan | colgan001ed- | 1886 | 9/9-9/29 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Collins | collin028--- | 1886 | 7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Chub Collins | collin001chu | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Hub Collins | collin001hub | 1886 | 4/15-8/25 | Savannah | Southern Association | Savannah, GA | |
| Hub Collins | collin001hub | 1886 | 9/4- | 27 g. | Louisville | American Association | Louisville, KY |
| James Collins | collin007jam | 1886 | 4/21-5/11 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| James Collins | collin007jam | 1886 | 5/31-7/24 | Oswego Starchboxes | International League | Oswego, NY | |
| John Collins | 1886 | Camden | Independent | Camden, NJ | |||
| Charlie Comiskey | comisk001cha | 1886 | 131 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Confer | confer000--- | 1886 | 6 g. | Stockton | California State League | Stockton, CA | |
| Alphonse Conley | conley002alp | 1886 | Decatur | Independent | Decatur, IL | ||
| Ed Conley | conley001ed- | 1886 | 5/3-8/21 | Haverhill | New England League | Haverhill, MA | |
| Josh Conley | conley001cla | 1886 | Canastota | Independent | Canastota, NY | ||
| Edward Conn | conn--001edw | 1886 | 10 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Red Connally | connal001red | 1886 | 4/17-5/21 | Macon | Southern Association | Macon, GA | |
| Red Connally | connal001red | 1886 | +6/26+ | Decatur | Decatur, IL | ||
| Red Connally | connal001red | 1886 | 7/1-7/6 | 2 g. | St. Louis Maroons | National League | St. Louis, MO |
| Red Connally | connal001red | 1886 | 2 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Peter Connell | connel001pet | 1886 | 9/3 | 1 g. | New York | American Association | New York, NY |
| John Connolly | 1886 | 56 g. | MLB Umpire | National League | , | ||
| John Connor | connor004joh | 1886 | 6/22 | Brockton | New England League | Brockton, MA | |
| Roger Connor | connor001rog | 1886 | 118 g. | New York | National League | New York, NY | |
| Denny Connors | connor001den | 1886 | 5/22-9/6 | Buffalo Bisons | International League | Buffalo, NY | |
| John Connors | 1886 | , | |||||
| Conway | conway008--- | 1886 | 4/15-4/30 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Conway | conway008--- | 1886 | 6/3-6/9 | Augusta Browns | Southern Association | Augusta, GA | |
| Bill Conway | conway001bil | 1886 | 7 g. | Baltimore | American Association | Baltimore, MD | |
| Bill Conway | conway001bil | 1886 | 5/15-7/9 | Lawrence | New England League | Lawrence, MA | |
| Bill Conway | conway001bil | 1886 | 9/20 | Portland | New England League | Portland, ME | |
| Dick Conway | conway001dic | 1886 | 5/3-7/8 | Lawrence | New England League | Lawrence, MA | |
| Dick Conway | conway001dic | 1886 | 7/22- | 9 g. | Baltimore | American Association | Baltimore, MD |
| Dick Conway | conway001dic | 1886 | 9/1-10/1 | Portland | New England League | Portland, ME | |
| Jim Conway | conway001jim | 1886 | 4/19-5/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Jim Conway | conway001jim | 1886 | Augusta | Independent | Augusta, GA | ||
| Pete Conway | conway001pet | 1886 | 51 g. | Kansas City | National League | Kansas City, MO | |
| Pete Conway | conway001pet | 1886 | 12 g. | Detroit | National League | Detroit, MI | |
| John Coogan | coogan001joh | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Michael Cook | cook--004mic | 1886 | West Chester Brandywines | Independent | West Chester, PA | ||
| Paul Cook | cook--003pau | 1886 | 66 g. | Louisville | American Association | Louisville, KY | |
| Walter Cook | 1886 | Cuban Giants | Independent | Cuban, | |||
| Richard Cooke | 1886 | LI-Stars | Independent | , | |||
| G. Cooley | cooley001g-- | 1886 | Lebanon | Independent | Lebanon, KS | ||
| Jimmy Cooney | cooney002jim | 1886 | 5/3-9/30 | Haverhill | New England League | Haverhill, MA | |
| Johnny Cooney | cooney005joh | 1886 | 4 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| William Cooney | cooney002wil | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| William Cooney | cooney002wil | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Coons | 1886 | +7/28-7/31+ | Danville | Virginia League | Danville, PA | ||
| George Cooper | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| David Corcoran | corcor001dav | 1886 | 4/15-7/20 | Macon | Southern Association | Macon, GA | |
| David Corcoran | corcor001dav | 1886 | 8/2-8/6 | Rochester Maroons | International League | Rochester, NY | |
| David Corcoran | corcor001dav | 1886 | 8/26-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| Jack Corcoran | corcor001jac | 1886 | 5/1-10/1 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Larry Corcoran | corcor001lar | 1886 | 1 g. | New York | National League | New York, NY | |
| Larry Corcoran | corcor001lar | 1886 | 21 g. | Washington | National League | Washington, DC | |
| Tommy Corcoran | corcor002tho | 1886 | 5/11-5/12 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| William Corcoran | corcor001wil | 1886 | 5/8-5/30 | Umpire | Int | , | |
| William Corcoran | corcor001wil | 1886 | 27 g. | Kingston | Hudson River League | Kingston, NY | |
| Phil Coridan | corida001phi | 1886 | no g. | Hamilton Clippers | International League | Hamilton, ON | |
| John Corkhill | corkhi001pop | 1886 | 129 g. | Cincinnati | American Association | Cincinnati, OH | |
| Cornell | 1886 | Emporia | Independent | Emporia, KS | |||
| William Corrigan | corrig003wil | 1886 | 5/1-5/31 | Providence Grays | Eastern League | Providence, RI | |
| William Corrigan | corrig003wil | 1886 | 6/22-7/5 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Robert Costello | costel003rob | 1886 | 6/18-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| David Coughlin | coughl001dav | 1886 | Hyde Park | Independent | Hyde Park, NY | ||
| Roscoe Coughlin | coughl001ed- | 1886 | 8/1-10/1 | Brockton | New England League | Brockton, MA | |
| Cox | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| Cox | 1886 | +7/31+ | Danville | Virginia League | Danville, PA | ||
| Frank Cox | cox---003fra | 1886 | 5/1-10/2 | Lawrence | New England League | Lawrence, MA | |
| Edward Cramer | cramer002edw | 1886 | 6/23-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Crammer | cramme001--- | 1886 | 7/4 | New Orleans | Gulf League | New Orleans, LA | |
| Ed Crane | crane-001ed- | 1886 | 80 g. | Washington | National League | Washington, DC | |
| Sam Crane | crane-002sam | 1886 | 47 g. | Detroit | National League | Detroit, MI | |
| Sam Crane | crane-002sam | 1886 | 39 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Dave Creamer | creame002dav | 1886 | 3 g. | Stockton | California State League | Stockton, CA | |
| Mark Creegan | creega001mar | 1886 | -8/ | Portland | Independent | Portland, OR | |
| Mark Creegan | creega001mar | 1886 | 2 g. | San Francisco Star | California League | San Francisco, CA | |
| Mark Creegan | creega001mar | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Mark Creegan | creega001mar | 1886 | 6 g. | Stockton | California State League | Stockton, CA | |
| Shorty Creeley | creele000sho | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Jack Croghan | crogan001--- | 1886 | 7/7-8/28 | Macon | Southern Association | Macon, GA | |
| John Crone | crone-001joh | 1886 | 3 g. | Sacramento | California League | Sacramento, CA | |
| Cronin | 1886 | Richmond Henleys | Independent | Richmond, IN | |||
| Jack Crooks | crooks001jac | 1886 | +5/22-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Thomas Crooks | crooks001tho | 1886 | 5/8-? | Hamilton Clippers | International League | Hamilton, ON | |
| Crosby | 1886 | CaSt | , | ||||
| Amos Cross | cross-001amo | 1886 | 74 g. | Louisville | American Association | Louisville, KY | |
| Clarence Cross | cross-001cla | 1886 | 4/15-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Clarence Cross | cross-001cla | 1886 | 7/29-9/7 | Binghamton Crickets | International League | Binghamton, NY | |
| Clarence Cross | cross-001cla | 1886 | 9/18 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Lave Cross | cross-001laf | 1886 | 5/8-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| William Crossley | crossl001wil | 1886 | 4/21- | Corning | Independent | Corning, NY | |
| William Crossley | crossl001wil | 1886 | 5/17 | Oswego Starchboxes | International League | Oswego, NY | |
| William Crossley | crossl001wil | 1886 | 6/7-7/23 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| I. Crosswaith | crossw000i-- | 1886 | 4 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| I. Crosswaith | crossw000i-- | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Charles Crostic | crosti001--- | 1886 | Norfolk | Virginia League | Norfolk, VA | ||
| Charles Crostic | crosti001--- | 1886 | 6/21-7/26+ | Richmond | Virginia League | Richmond, VA | |
| Doug Crothers | crothe001dou | 1886 | 5/8-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Joe Crotty | crotty001joe | 1886 | 14 g. | New York | American Association | New York, NY | |
| Joe Crotty | crotty001joe | 1886 | 8/10-9/6 | Syracuse Stars | International League | Syracuse, NY | |
| Billy Crowell | crowel001bil | 1886 | 5/8-9/21 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Bill Crowley | crowle001bil | 1886 | 4/22-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| John Crowley | crowle002joh | 1886 | 5/28-8/5 | Lawrence | New England League | Lawrence, MA | |
| C. Cruso | cruso-001c-- | 1886 | 6/20-10/14 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| C. Cruso | cruso-001c-- | 1886 | 10/17-10/18 | New Orleans | Gulf League | New Orleans, LA | |
| John Cruso | cruso-001joh | 1886 | 4/25- | Robert E. Lee's | Gulf League | New Orleans, LA | |
| John Cruso | cruso-001joh | 1886 | 6/20-6/21 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| John Cruso | cruso-001joh | 1886 | New Orleans Gymnasium | Independent | New Orleans, LA | ||
| Jim Cudworth | cudwor001jim | 1886 | 5/1-10/1 | Brockton | New England League | Brockton, MA | |
| John Cuff | cuff--001joh | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| John Cuff | cuff--001joh | 1886 | 5/31-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| John Cuff | cuff--001joh | 1886 | 7/14-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Eddie Cull | cull--001edw | 1886 | 6/19-8/ | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Eddie Cull | cull--001edw | 1886 | 8/-8/23 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| John Cullen | cullen004joh | 1886 | 6/6-6/24 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| John Cullen | cullen004joh | 1886 | +8/+ | Norfolk | Virginia League | Norfolk, VA | |
| Thomas Cummings | cummin002tho | 1886 | 5/1-5/22 | Long Island A's | Eastern League | Long Island City, NY | |
| Thomas Cummings | cummin002tho | 1886 | 7/1-8/14 | Umpire | East | , | |
| George Cummins | cummin004--- | 1886 | 4 g. | San Francisco Californias | California State League | San Francisco, CA | |
| George Cummins | cummin004--- | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Bert Cunningham | cunnin001ell | 1886 | Moline Browns | Independent | Moline, IL | ||
| James Curry | curry-002jam | 1886 | 7/3-7/27 | Toronto Canucks | International League | Toronto, ON | |
| James P.? Curry | 1886 | 4/21-4/30+ | Corning | Independent | Corning, NY | ||
| Wes Curry | curry-001wes | 1886 | 51 g. | MLB Umpire | National League | , | |
| Wes Curry | curry-001wes | 1886 | 7/27-9/ | Umpire | Int | , | |
| Charlie Cushman | cushma001cha | 1886 | 4/15-7/23 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Charlie Cushman | cushma001cha | 1886 | 7/27-9/ | Umpire | Int | , | |
| Ed Cushman | cushma001ed- | 1886 | 38 g. | New York | American Association | New York, NY | |
| Andy Cusick | cusick001and | 1886 | 5/8-5/28+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Andy Cusick | cusick001and | 1886 | 29 g. | Philadelphia | National League | Philadelphia, PA | |
| Jim Cusisk | cusisk001jim | 1886 | 16 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Jim Cusisk | cusisk001jim | 1886 | 3 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Jim Cusisk | cusisk001jim | 1886 | 2 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| D'Ahna | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Milton Dabney | 1886 | Cuban Giants | Independent | Cuban, | |||
| John Dailey | dailey001joh | 1886 | 5/1- | Umpire | NE | , | |
| Vince Dailey | dailey001vin | 1886 | Bradford | Independent | Bradford, PA | ||
| Daily | daily-008--- | 1886 | 19 g. | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Bill Daily | daily-001bil | 1886 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Bill Daily | daily-001bil | 1886 | 1 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Bill Daily | daily-001bil | 1886 | 6 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Con Daily | daily-001con | 1886 | 50 g. | Boston | National League | Boston, MA | |
| Ed Daily | daily-001ed- | 1886 | 79 g. | Philadelphia | National League | Philadelphia, PA | |
| Hugh Daily | daily-001hug | 1886 | 6 g. | Washington | National League | Washington, DC | |
| Hugh Daily | daily-001hug | 1886 | 7/24+ | Norfolk | Virginia League | Norfolk, VA | |
| Hugh Daily | daily-001hug | 1886 | 8/1-9/8 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Hugh Daily | daily-001hug | 1886 | 9/15-9/23 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Hugh? Daily | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | ||
| George Daisy | daisy-001geo | 1886 | 6/24-7/5 | Danville | Pennsylvania State Association | Danville, PA | |
| George Daisy | daisy-001geo | 1886 | Frederick | Independent | Frederick, MD | ||
| Dale | 1886 | 1 g. | Stockton | California State League | Stockton, CA | ||
| William Dale | dale--001wil | 1886 | BlueGrass | , | |||
| Daley | daley-014--- | 1886 | Fort Henry | Independent | Fort Henry, | ||
| Dallas | 1886 | +6/28-7/9+ | Norfolk | Virginia League | Norfolk, VA | ||
| James Dallas | dallas001jam | 1886 | 5/10-5/12 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| James Dallas | dallas001jam | 1886 | 7/29-8/11 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Leon Dallas | dallas001leo | 1886 | +6/30-7/18+ | Leadville Blues | Western League | Leadville, CO | |
| Abner Dalrymple | dalrym001abn | 1886 | 82 g. | Chicago | National League | Chicago, IL | |
| Tom Daly | daly--002tho | 1886 | 5/3-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Charles Daniels | daniel005cha | 1886 | 5/1-7/23 | Umpire | East | , | |
| Charles Daniels | daniel005cha | 1886 | 8/10-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| J.E. Daniels | daniel003j-- | 1886 | 6/24-7/16 | Danville | Pennsylvania State Association | Danville, PA | |
| Law Daniels | daniel002law | 1886 | 5/21-8/28 | Macon | Southern Association | Macon, GA | |
| Pete Daniels | daniel003pet | 1886 | Evansville | Evansville, IN | |||
| Walter Daniels | daniel002w-- | 1886 | Alton | Independent | Alton, IL | ||
| Darling | darlin003--- | 1886 | +7/12-7/15+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Dell Darling | darlin001del | 1886 | 5/12-9/25 | Toronto Canucks | International League | Toronto, ON | |
| John Darrah | darrah001--- | 1886 | no g. | Augusta Browns | Southern Association | Augusta, GA | |
| Erwin Darrow | darrow001ira | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Erwin Darrow | darrow001ira | 1886 | Richmond | Virginia League | Richmond, VA | ||
| Darsam | darsam001--- | 1886 | 7/12-9/6 | New Orleans | Gulf League | New Orleans, LA | |
| Ambrose Davis | davis-001amb | 1886 | New York Gorhams | Independent | New York, NY | ||
| Daisy Davis | davis-001dai | 1886 | 5/8-9/23 | Toronto Canucks | International League | Toronto, ON | |
| Harry Davis | davis-011har | 1886 | 8/11-9/11 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Jumbo Davis | davis-001jum | 1886 | 5/6-8/12 | Brockton | New England League | Brockton, MA | |
| Jumbo Davis | davis-001jum | 1886 | 60 g. | Baltimore | American Association | Baltimore, MD | |
| Manny Davis | davis-001man | 1886 | 4/25- | Mobile | Independent | Mobile, AL | |
| Manny Davis | davis-001man | 1886 | 6/20-8/20 | Acid Iron Earths | Gulf League | Mobile, AL | |
| W. Davis | 1886 | New Orleans Unions | Independent | New Orleans, LA | |||
| Ren Deagle | deagle001ren | 1886 | 5/12-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| Pat Dealy | dealy-001pat | 1886 | 15 g. | Boston | National League | Boston, MA | |
| William Dean | 1886 | 5/24-7/5 | Umpire | PaSt | , | ||
| Pat Deasley | deasle001pat | 1886 | 41 g. | New York | National League | New York, NY | |
| Frank Decker | decker002fra | 1886 | St. Louis Prickly Ash | Independent | St. Louis, MO | ||
| Harry Decker | decker001har | 1886 | 4/15-6/26 | Macon | Southern Association | Macon, GA | |
| Harry Decker | decker001har | 1886 | 14 g. | Detroit | National League | Detroit, MI | |
| Harry Decker | decker001har | 1886 | 7 g. | Washington | National League | Washington, DC | |
| James Deegan | deegan001jam | 1886 | 25 g. | Troy Trojans | Hudson River League | Troy, NY | |
| Joseph Deistel | deiste001jos | 1886 | 6/26-7/19+ | Norfolk | Virginia League | Norfolk, VA | |
| Ed Delahanty | delaha001edw | 1886 | Mansfield | Independent | Mansfield, OH | ||
| Bill Delaney | delane001bil | 1886 | Canton | Independent | Canton, OH | ||
| Delmore | delmor000--- | 1886 | 33 g. | Troy Trojans | Hudson River League | Troy, NY | |
| F. Demorias | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| Jerry Denny | denny-001jer | 1886 | 119 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Jerry Denny | denny-001jer | 1886 | 5 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Jerry Denny | denny-001jer | 1886 | 14 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Mike DePangher | depang001mik | 1886 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Mike DePangher | depang001mik | 1886 | 20 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Mike DePangher | depang001mik | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Gene Derby | derby-001gen | 1886 | 5/1-9/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| F. Desmond | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| J. Desmond | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| Henry Devaull | devaul001hen | 1886 | 1 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Henry Devaull | devaul001hen | 1886 | 4 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Henry Devaull | devaul001hen | 1886 | 15 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| William Deveney | devinn001pun | 1886 | Chester | Independent | Chester, PA | ||
| Devereaux | 1886 | 11 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Devereaux | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Abe Devine | devine001abe | 1886 | 5/6-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Jim Devine | devine001jim | 1886 | 5/12-8/3 | Syracuse Stars | International League | Syracuse, NY | |
| Charles Devlin | devlin001cha | 1886 | +6/4+ | Lynchburg | Independent | Lynchburg, VA | |
| Charles Devlin | devlin001cha | 1886 | 6/21-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Jim Devlin | devlin002jim | 1886 | Troy Trojans | Hudson River League | Troy, NY | ||
| Jim Devlin | devlin002jim | 1886 | 6/28 | 1 g. | New York | National League | New York, NY |
| Jim Devlin | devlin002jim | 1886 | 8/17-9/11 | Syracuse Stars | International League | Syracuse, NY | |
| Buttercup Dickerson | dicker001but | 1886 | 4/15-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Buttercup Dickerson | dicker001but | 1886 | 7/15-7/23 | Syracuse Stars | International League | Syracuse, NY | |
| Andy Dillon | dillon001and | 1886 | 25 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Andy Dillon | dillon001and | 1886 | 5/8-6/18+ | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Andy Dillon | dillon001and | 1886 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | ||
| Edward Dillon | 1886 | Dartmouth | College | , | |||
| Edward Dillon | 1886 | Rutland | Independent | Rutland, VT | |||
| Hiram Dillon | dillon001hir | 1886 | Topeka Capitals | Western League | Topeka, KS | ||
| William Dilworth | dilwor001wil | 1886 | 5/1-7/20 | Brockton | New England League | Brockton, MA | |
| William Dilworth | dilwor001wil | 1886 | 8/21-9/18 | Binghamton Crickets | International League | Binghamton, NY | |
| David Dischler | dischl001dav | 1886 | 5/8-9/28 | Utica Pent Ups | International League | Utica, NY | |
| Frank Diven | diven-001fra | 1886 | 5/11-7/5 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Frank Diven | diven-001fra | 1886 | 9/29 | 1 g. | New York | National League | New York, NY |
| Fred Doe | doe---002fre | 1886 | 7/21-7/23 | Haverhill | New England League | Haverhill, MA | |
| Fred Doe | doe---002fre | 1886 | 8/17-9/21 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Dolan | 1886 | Paterson Olympics | Independent | Paterson, NJ | |||
| Dolan | 1886 | Oakland Greenhood & Morans | California League | Oakland, CA | |||
| Tom Dolan | dolan-001tom | 1886 | 15 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Tom Dolan | dolan-001tom | 1886 | 38 g. | Baltimore | American Association | Baltimore, MD | |
| Dolan | dolan-001tom | 1886 | 3 g. | Sacramento | California League | Sacramento, CA | |
| Dolan | dolan-001tom | 1886 | 3 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Dolan | dolan-001tom | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Jack Donahue | donahu001jac | 1886 | 24 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Jim Donahue | donahu001jim | 1886 | 4/19- | 49 g. | New York | American Association | New York, NY |
| James Donald | donald001jam | 1886 | 5/1-6/16 | Lawrence | New England League | Lawrence, MA | |
| Donnell | donnel003--- | 1886 | 7/12 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Donnelly | 1886 | Troy Trojans | Hudson River League | Troy, NY | |||
| James Donnelly | donnel003jam | 1886 | 5/1-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Jim Donnelly | donnel002jim | 1886 | 113 g. | Kansas City | National League | Kansas City, MO | |
| Jim Donnelly | donnel001jim | 1886 | Cambridge Franklins | Independent | Cambridge, MA | ||
| Alexander Donoghue | donohu001ale | 1886 | 5/8-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Jack Donovan | donova002jac | 1886 | 27 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Jack Donovan | donova002jac | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| Patsy Donovan | donova001pat | 1886 | 5/31-10/2 | Lawrence | New England League | Lawrence, MA | |
| W. Donovan | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| Charles Dooley | dooley001cha | 1886 | 5/12-6/5 | Binghamton Crickets | International League | Binghamton, NY | |
| Charles Dooley | dooley001cha | 1886 | Bradford | Independent | Bradford, PA | ||
| Harry Dooms | dooms-001har | 1886 | Edwardsville | Independent | Edwardsville, IL | ||
| Harry Dooms | dooms-001har | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | ||
| Harry Dooms | dooms-001har | 1886 | 8/22-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| John Doran | doran-002joh | 1886 | 5/6-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Jerry Dorgan | dorgan001jer | 1886 | 5/1-5/4 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Mike Dorgan | dorgan001mik | 1886 | 118 g. | New York | National League | New York, NY | |
| J. Dorney | 1886 | West Manchester | New Hampshire State League | West Manchester, NH | |||
| Joseph Dorsey | dorsey002jer | 1886 | 6/21-7/5+ | Richmond | Virginia League | Richmond, VA | |
| Joseph Dorsey | dorsey002jer | 1886 | 8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Joseph Dorsey | dorsey002jer | 1886 | 8/17-8/26 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Dougherty | doughe001--- | 1886 | 7/29 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Charlie Dougherty | doughe002cha | 1886 | 7/10-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| T. Dougherty | doughe001t-- | 1886 | St. Joseph Reds | Western League | St. Joseph, MO | ||
| T. Dougherty | doughe001t-- | 1886 | 5/8-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Pizzaro Douthett | douthe001piz | 1886 | 5/8-7/12+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Pizzaro Douthett | douthe001piz | 1886 | +7/16+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Pizzaro Douthett | douthe001piz | 1886 | +7/28-9/3 | Decatur | Independent | Decatur, IL | |
| Pizzaro Douthett | douthe001piz | 1886 | 10/28 | Little Rock | Independent | Little Rock, AR | |
| J. O. Dowd | 1886 | West Manchester | New Hampshire State League | West Manchester, NH | |||
| Joe Dowie | dowie-001joe | 1886 | Galveston | Independent | Galveston, TX | ||
| Joe Dowie | dowie-001joe | 1886 | New Orleans Caldwell | Independent | New Orleans, LA | ||
| Joe Dowie | dowie-001joe | 1886 | 7/4-7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Joe Dowie | dowie-001joe | 1886 | 7/11-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| James? Downey | 1886 | 15 g. | Troy Trojans | Hudson River League | Troy, NY | ||
| Tom Dowse | dowse-001tom | 1886 | 10 g. | Saratoga | Hudson River League | Saratoga, NY | |
| Conny Doyle | doyle-001con | 1886 | 5/1-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| John Doyle | doyle-004joh | 1886 | 5/1-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Michael Doyle | doyle-003mic | 1886 | 5/19-7/7 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Michael Doyle | doyle-003mic | 1886 | Oneida | Independent | Oneida, NY | ||
| Michael Doyle | doyle-003mic | 1886 | 7/28-9/29 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Lyman Drake | drake-001lym | 1886 | Leavenworth Soldiers | Western League | Leavenworth, KS | ||
| Jake Drauby | drauby001jak | 1886 | +6/4-6/12+ | Lynchburg | Independent | Lynchburg, VA | |
| Jake Drauby | drauby001jak | 1886 | 6/21-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Jake Drauby | drauby001jak | 1886 | Milton | Independent | Milton, PA | ||
| Jake Drauby | drauby001jak | 1886 | 8/23-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Benjamin Drischel | drisch001ben | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Driscoll | drisco005--- | 1886 | +5/19-5/22+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Driscoll | drisco010--- | 1886 | +5/27-6/12+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| D. J. Driscoll | 1886 | no g. | Macon | Southern Association | Macon, GA | ||
| Denny Driscoll | drisco001den | 1886 | 6/29-7/3 | Binghamton Crickets | International League | Binghamton, NY | |
| John Driscoll | 1886 | no g. | Chattanooga Lookouts | Southern Association | Chattanooga, TN | ||
| John Driscoll | drisco005joh | 1886 | 5/25-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| John Driscoll | drisco005joh | 1886 | +7/5- | Norfolk | Virginia League | Norfolk, VA | |
| Mike Drissel | drisse001mik | 1886 | 5/- | St. Louis Peach Pies | Independent | St. Louis, MO | |
| Thomas Drummey | 1886 | 40 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | ||
| Bert Duane | duane-001bar | 1886 | +5/19-9/5 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Charlie Duffee | duffee001cha | 1886 | 4/25- | Mobile | Independent | Mobile, AL | |
| Charlie Duffee | duffee001cha | 1886 | 6/20-7/18 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Charlie Duffee | duffee001cha | 1886 | 8/1-10/31 | Mobile | Gulf League | Mobile, AL | |
| Hugh Duffy | duffy-001hug | 1886 | 9/20-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| J.C. Duffy | duffy-002j-- | 1886 | 5/11-5/17 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Dugan | dugan-001--- | 1886 | 9/16-10/31 | Mobile | Gulf League | Mobile, AL | |
| Ed Dugan | dugan-001ed- | 1886 | 5/3 | Portland | New England League | Portland, ME | |
| Dan Dugdale | dugdal001dan | 1886 | 5/20 - | 12 g. | Kansas City | National League | Kansas City, MO |
| Dan Dugdale | dugdal001dan | 1886 | 8/28-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| Martin Duke | duke--002mar | 1886 | Columbus | Independent | Columbus, OH | ||
| Martin Duke | duke--002mar | 1886 | 5/24- | Zanesville | Independent | Zanesville, OH | |
| Ed Dundon | dundon001ed- | 1886 | 4/19-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Ed Dundon | dundon001ed- | 1886 | 9/6-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Dunlap | dunlap003--- | 1886 | 9/20 | New Orleans | Gulf League | New Orleans, LA | |
| Fred Dunlap | dunlap002fre | 1886 | 71 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Fred Dunlap | dunlap002fre | 1886 | 51 g. | Detroit | National League | Detroit, MI | |
| George Dunn | dunn--002geo | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Jere Dunn | 1886 | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |||
| Steve Dunn | dunn--004ste | 1886 | 5/1-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Steve Dunn | dunn--004ste | 1886 | 7/14-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| Harry Durfee | durfee001har | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | ||
| Charles Durmeyer | durmey001c-- | 1886 | 4/- | New Orleans | Independent | New Orleans, LA | |
| Charles Durmeyer | durmey001c-- | 1886 | 6/20-6/27 | New Orleans | Gulf League | New Orleans, LA | |
| Charles Durmeyer | durmey001c-- | 1886 | 7/5-9/6 | Mobile | Gulf League | Mobile, AL | |
| Charles Durmeyer | durmey001c-- | 1886 | 9/12-10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Jesse Duryea | duryea001jes | 1886 | 5/8-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Frank DuShane | dushan002--- | 1886 | New Castle | Independent | New Castle, PA | ||
| Frank DuShane | dushan002--- | 1886 | Wooster | Independent | Wooster, OH | ||
| Dwyer | dwyer-027--- | 1886 | +5/27-5/28+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Dick Dwyer | dwyer-001ric | 1886 | 5/11-6/12 | Binghamton Crickets | International League | Binghamton, NY | |
| Dick Dwyer | dwyer-001ric | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | |
| Frank Dwyer | dwyer-001fra | 1886 | Hobart College | College | , | ||
| Frank Dwyer | dwyer-001fra | 1886 | no g. | Hartford Dark Blues | Eastern League | Hartford, CT | |
| John Dwyer | 1886 | no g. | Augusta Browns | Southern Association | Augusta, GA | ||
| James Dyer | dyer--004jam | 1886 | 5/29-6/19 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Eagan | eagan-001--- | 1886 | +6/21-6/27+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Eagan | eagan-011--- | 1886 | +7/16+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| John Eagan | 1886 | -8/3 | MLB Umpire | National League | , | ||
| Michael Eagan | eagan-001mic | 1886 | Scranton | Amat | Scranton, PA | ||
| Michael Eagan | eagan-001mic | 1886 | 7/29-8/4 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Michael Eagan | eagan-001mic | 1886 | Dunmore Morning Glories | Independent | Dunmore, | ||
| Eames | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| Howard Earl | earl--002how | 1886 | 5/1-5/5 | Boston Blues | New England League | Boston, MA | |
| Howard Earl | earl--002how | 1886 | Bangor | Independent | Bangor, ME | ||
| Billy Earle | earle-001bil | 1886 | 4/17-6/10 | Nashville Americans | Southern Association | Nashville, TN | |
| Billy Earle | earle-001bil | 1886 | 6/12-6/28 | Memphis Grays | Southern Association | Memphis, TN | |
| Billy Earle | earle-001bil | 1886 | Monmouth | Independent | Monmouth, IL | ||
| Harry East | east--001har | 1886 | +6/30-7/19+ | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Harry East | east--001har | 1886 | Edwardsville | Independent | Edwardsville, IL | ||
| Henry Easterday | easter001hen | 1886 | Lynchburg | Independent | Lynchburg, VA | ||
| Henry Easterday | easter001hen | 1886 | 5/18-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Jack Easton | easton001jac | 1886 | Wheeling | Independent | Wheeling, WV | ||
| Hi Ebright | ebrigh001hi- | 1886 | Hastings | Independent | Hastings, NE | ||
| Jerry Eddinger | edinge001jer | 1886 | Jacksonville | Independent | Jacksonville, Il | ||
| John Egan | egan--003joh | 1886 | 2 g. | Stockton | California State League | Stockton, CA | |
| Dave Eggler | eggler001dav | 1886 | 6/14-6/15 | Buffalo Bisons | International League | Buffalo, NY | |
| C. Ehler | ehler-001--- | 1886 | +7/22-7/23+ | Danville | Virginia League | Danville, PA | |
| Red Ehret | ehret-001phi | 1886 | Evansville | Independent | Evansville, IN | ||
| Eisley | eisley001--- | 1886 | 6/26 | Danville | Pennsylvania State Association | Danville, PA | |
| Ernest Ellis | ellis-001ern | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Bones Ely | ely---001wil | 1886 | 10 g. | Louisville | American Association | Louisville, KY | |
| Bob Emslie | emslie001bob | 1886 | 5/12-9/7 | Toronto Canucks | International League | Toronto, ON | |
| English | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Dan Erek | ereck-001dan | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | |
| Dan Erek | ereck-001dan | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| George Ertelt | ertelt001geo | 1886 | 37 g. | Kingston | Hudson River League | Kingston, NY | |
| Dude Esterbrook | esterb001dud | 1886 | 123 g. | New York | National League | New York, NY | |
| Charles Ettinger | etting001cha | 1886 | 5/10-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Charles Ettinger | etting001cha | 1886 | +6/26-7/19+ | Norfolk | Virginia League | Norfolk, VA | |
| Charles Ettinger | etting001cha | 1886 | Milton | Independent | Milton, PA | ||
| Charles Ettinger | etting001cha | 1886 | 9/13-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Evans | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | ||
| Jake Evans | evans-001jak | 1886 | 5/5 | MLB Umpire | National League | , | |
| Scottie Evatt | evatt-001sco | 1886 | 17 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Buck Ewing | ewing-001buc | 1886 | 73 g. | New York | National League | New York, NY | |
| John Ewing | ewing-001joh | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Charles Faatz | faatz-001cha | 1886 | 5/8-7/10 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Charles Faatz | faatz-001cha | 1886 | +8/5-9/20+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Jay Faatz | faatz-001jay | 1886 | 5/8-9/28 | Toronto Canucks | International League | Toronto, ON | |
| Henry Fabian | fabian001hen | 1886 | 7/4-7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Henry Fabian | fabian001--- | 1886 | 7/22 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Fadert | fadert001--- | 1886 | +7/31+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Fagan | fagan-011--- | 1886 | 11 g. | Troy Trojans | Hudson River League | Troy, NY | |
| John Fairhurst | fairhu001joh | 1886 | Philadelphia Harrowgate | Independent | Philadelphia, PA | ||
| Jack Fanning | fannin001jac | 1886 | -8/1 | Brooklyn Nassaus | Independent | Brooklyn, NY | |
| Jack Fanning | fannin001jac | 1886 | 8/7-10/2 | Lawrence | New England League | Lawrence, MA | |
| J. Farley | farley001j-- | 1886 | 3 g. | Stockton | California State League | Stockton, CA | |
| Bill Farmer | farmer002bil | 1886 | West Chester Brandywines | Independent | West Chester, PA | ||
| Sid Farrar | farrar001sid | 1886 | 118 g. | Philadelphia | National League | Philadelphia, PA | |
| Farrell | farrel018--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Farrell | farrel018--- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Duke Farrell | farrel002cha | 1886 | Marlboro | Independent | Marlboro, MA | ||
| Jack Farrell | farrel002jac | 1886 | 17 g. | Philadelphia | National League | Philadelphia, PA | |
| Jack Farrell | farrel002jac | 1886 | 47 g. | Washington | National League | Washington, DC | |
| Jack Farrell | farrel007jac | 1886 | New Orleans | Independent | New Orleans, LA | ||
| Jack Farrell | farrel007jac | 1886 | New Orleans | Gulf League | New Orleans, LA | ||
| Jack Farrell | farrel008jac | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Joe Farrell | farrel001joe | 1886 | -8/29 | 73 g. | Baltimore | American Association | Baltimore, MD |
| William Farrell | farrel002wil | 1886 | 7/6-7/19 | Hamilton Clippers | International League | Hamilton, ON | |
| William Farrell | 1886 | 7/18- | Washington Nationals | Independent | Washington, DC | ||
| John Farrow | farrow002joh | 1886 | 5/1-7/19 | Umpire | East | , | |
| John Farrow | farrow003joh | 1886 | 34 g. | Troy Trojans | Hudson River League | Troy, NY | |
| John Farrow | farrow003joh | 1886 | Newburgh | Hudson River League | Newburgh, NY | ||
| Frederick Fass | fass--002fre | 1886 | +5/22-7/22+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Frederick Fass | fass--002fre | 1886 | 9/14 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Favette | favett001--- | 1886 | 6/21 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Fay | say---002--- | 1886 | 8/9 | Lawrence | New England League | Lawrence, MA | |
| John Fay | fay---001joh | 1886 | 7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Ed Fellis | 1886 | 5/- | St. Louis Peach Pies | Independent | St. Louis, MO | ||
| Frank Fennelly | fennel001fra | 1886 | 132 g. | Cincinnati | American Association | Cincinnati, OH | |
| J.J. Fennessey | fennes001j-- | 1886 | 7/23-8/16 | Lawrence | New England League | Lawrence, MA | |
| Ferguson | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Bob Ferguson | fergus001bob | 1886 | 120 g. | New York | American Association | New York, NY | |
| Bob Ferguson | fergus001bob | 1886 | 12 g. | MLB Umpire | American Association | , | |
| Charlie Ferguson | fergus003cha | 1886 | 72 g. | Philadelphia | National League | Philadelphia, PA | |
| Alex Ferson | ferson001ale | 1886 | 7/5-7/14 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Alex Ferson | ferson001ale | 1886 | 7/24-8/5 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| E. Field | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| Jim Field | field-001jim | 1886 | 4/15-9/4 | Savannah | Southern Association | Savannah, GA | |
| Sam Field | field-001sam | 1886 | Reading Nationals | Independent | Reading, PA | ||
| Jocko Fields | fields001joc | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| Jocko Fields | fields001joc | 1886 | 6/5-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| Jocko Fields | fields001joc | 1886 | 6/14-6/15 | Utica Pent Ups | International League | Utica, NY | |
| G. Figner/or | figner000--- | 1886 | 6/21-7/14+ | Richmond | Virginia League | Richmond, VA | |
| Bill Finley | finley001bil | 1886 | +4/14+ | Columbia Col. | College | , | |
| Bill Finley | finley001bil | 1886 | 7/12-9/27 | 13 g. | New York | National League | New York, NY |
| Mike Finn | finn--002mic | 1886 | 16 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Mike Finn | finn--002mic | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Finnegan | 1886 | 2 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Michael Firle | firle-002mic | 1886 | 5/18-7/16 | Buffalo Bisons | International League | Buffalo, NY | |
| John Firth | firth-002joh | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| John Firth | firth-002joh | 1886 | 8/25-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| John E.? Firth | 1886 | +6/26-7/19+ | Norfolk | Virginia League | Norfolk, VA | ||
| John Fischer | fisher002j-- | 1886 | 5/10-5/29 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| George Fisher | fisher009geo | 1886 | 24 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| George Fisher | fisher009geo | 1886 | 1 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| George Fisher | fisher009geo | 1886 | Alameda Stars | Independent | Alameda, CA | ||
| Harry Fisher | fisher008har | 1886 | 5/18-7/29 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Harry Fisher | fisher008har | 1886 | 8/17-9/4 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Mike Fisher | fisher001mik | 1886 | 6 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Mike Fisher | fisher001mik | 1886 | 23 g. | Sacramento | California League | Sacramento, CA | |
| Pete Fishue | 1886 | New York Gorhams | Independent | New York, NY | |||
| Fred Fisk | 1886 | 5/14-9/6 | Canisteo | CNY | Canisteo, NY | ||
| Frank Fitch | fitch-002fra | 1886 | Youngstown | Independent | Youngstown, OH | ||
| Fitzgerald | 1886 | 28 g. | Newburgh | Hudson River League | Newburgh, NY | ||
| Fitzgerald | 1886 | Troy Trojans | Hudson River League | Troy, NY | |||
| Dennis Fitzgerald | fitzge002den | 1886 | 5/6-7/13 | Boston Blues | New England League | Boston, MA | |
| Dennis Fitzgerald | fitzge002den | 1886 | 7/21-7/26 | Lawrence | New England League | Lawrence, MA | |
| John Fitzgerald | fitzge008joh | 1886 | 19 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| James Fitzpatrick | fitzpa002jam | 1886 | 5/10-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| John Fitzsimmons | fitzsi001joh | 1886 | 5/18-9/15 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Orlando Fitzsimmons | fitzsi001o-- | 1886 | 4/21-5/27 | Augusta Browns | Southern Association | Augusta, GA | |
| Orlando Fitzsimmons | fitzsi001o-- | 1886 | +6/18-9/12 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Orlando Fitzsimmons | fitzsi001o-- | 1886 | 9/16-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Flagg | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | ||
| Ed Flanagan | flanag001ed- | 1886 | 5/1- | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Ed Flanagan | flanag001ed- | 1886 | -9/14 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Thomas Flanagan | flanag001tho | 1886 | Zanesville | Independent | Zanesville, OH | ||
| Flannigan | flanni005--- | 1886 | +6/26-7/14+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Joe Fleishman | fleish001joe | 1886 | 4/21-4/30+ | Corning | Independent | Corning, NY | |
| Joe Fleishman | fleish001joe | 1886 | Norwich | CNY | Norwich, NY | ||
| Russell Flint | 1886 | 32 g. | Sacramento | California League | Sacramento, CA | ||
| Silver Flint | flint-001sil | 1886 | 54 g. | Chicago | National League | Chicago, IL | |
| Flood | flood-002--- | 1886 | Philadelphia Somerset | Independent | Philadelphia, PA | ||
| Flood | flood-002--- | 1886 | 6/7 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Flood | flood-001--- | 1886 | Williamsport | Pennsylvania State Association | Williamsport, PA | ||
| Daniel Flynn | flynn-001dan | 1886 | 6/19 | Buffalo Bisons | International League | Buffalo, NY | |
| James Flynn | flynn-005jam | 1886 | +6/30-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| Jocko Flynn | flynn-001joc | 1886 | 5/1- | 57 g. | Chicago | National League | Chicago, IL |
| Joe Flynn | flynn-001joe | 1886 | 5/29-6/11 | Oswego Starchboxes | International League | Oswego, NY | |
| Jim Fogarty | fogart001jim | 1886 | 77 g. | Philadelphia | National League | Philadelphia, PA | |
| John Fogarty | fogart002joh | 1886 | 5/12-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| John Fogarty | fogart002joh | 1886 | Little Rock | Independent | Little Rock, AR | ||
| John Foley | foley-002joh | 1886 | 6/1-6/11 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| John Foley | foley-002joh | 1886 | 8/4 | Buffalo Bisons | International League | Buffalo, NY | |
| Will Foley | foley-002wil | 1886 | Chicago Excelsior | Independent | Chicago, IL | ||
| Will Foley | foley-002wil | 1886 | +5/18-7/14+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Will Foley | foley-002wil | 1886 | +8/26-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Will Foley | foley-002wil | 1886 | 18 g. | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| J. Forbes | forbes002--- | 1886 | Cuban Giants | Independent | Cuban, | ||
| Davy Force | force-001dav | 1886 | 68 g. | Washington | National League | Washington, DC | |
| Ford | ford--009--- | 1886 | 8/10 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Ed Ford | ford--001ed- | 1886 | 5/1 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Ed Ford | ford--001ed- | 1886 | Richmond | Indpendent | Richmond, VA | ||
| Ed Ford | ford--001ed- | 1886 | +6/4-6/12+ | Lynchburg | Independent | Lynchburg, VA | |
| Ed Ford | ford--001ed- | 1886 | 6/21-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| William Forrest | forres003wil | 1886 | 5/12-5/15+ | Leadville Blues | Western League | Leadville, CO | |
| William Forrest | forres003wil | 1886 | 6/7-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Tom Forster | forste001tom | 1886 | 67 g. | New York | American Association | New York, NY | |
| Foster | foster040--- | 1886 | +6/29+ | Richmond | Virginia League | Richmond, VA | |
| Elmer Foster | foster001elm | 1886 | 4/17- | 35 g. | New York | American Association | New York, NY |
| Elmer Foster | foster001elm | 1886 | 6/26-9/30 | Haverhill | New England League | Haverhill, MA | |
| Frank Foulkrod | foulkr001fra | 1886 | 5/10-6/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Dave Foutz | foutz-001dav | 1886 | 102 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Bud Fowler | fowler004joh | 1886 | 5/12-9/2+ | Topeka Capitals | Western League | Topeka, KS | |
| John Fox | fox---008joh | 1886 | 8/9 | 1 g. | Washington | National League | Washington, DC |
| Frable | frable001--- | 1886 | 7/29 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Jacob Francis | 1886 | Umpire | CNY | , | |||
| Jacob Francis | 1886 | 9/13-9/14 | Umpire | Int | , | ||
| Frawley | frawle003--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Frawley | frawle003--- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Lee Frazee | frazee001lee | 1886 | 5/8-8/20 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Fredericks | freder006--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Fredericks | freder006--- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Art Freeze | freeze001art | 1886 | 6/24-7/17 | Danville | Pennsylvania State Association | Danville, PA | |
| Seth Freeze | freeze001set | 1886 | 6/24-7/30 | Danville | Pennsylvania State Association | Danville, PA | |
| Charles Freleigh | frelei001cha | 1886 | 5/15-5/17 | Providence Grays | Eastern League | Providence, RI | |
| William Frey | frey--002wil | 1886 | 5/12-8/1 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Pat Friel | friel-001pat | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Fries/Friss | fries-001--- | 1886 | 5/31-6/1 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| F. Friss | friss-001f-- | 1886 | 6/3-7/24 | Binghamton Crickets | International League | Binghamton, NY | |
| F. Friss | friss-001f-- | 1886 | 8/3-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| John Frye | frye--003joh | 1886 | 5/11-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| John Frye | frye--003joh | 1886 | +7/21-7/28+ | Cuban Giants | Independent | Cuban, | |
| John Frye | frye--003joh | 1886 | York Colored Monarchs | Independent | York, PA | ||
| Frank Fudger | fudger001fre | 1886 | 4/- | New Orleans | Independent | New Orleans, LA | |
| Frank Fudger | fudger001fre | 1886 | 6/20-7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Frank Fudger | fudger001fre | 1886 | 7/18-8/23 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Frank Fudger | fudger001fre | 1886 | 8/29-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Fuller | fuller005--- | 1886 | 6/20-7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Billy Fuller | fuller002wil | 1886 | Hiawathas | Independent | , | ||
| Ed Fuller | fuller001ed- | 1886 | 7/11-7/22 | 2 g. | Washington | National League | Washington, DC |
| Harry Fuller | fuller003har | 1886 | Nicholasville | BlueGrass | Nicholasville, KY | ||
| Shorty Fuller | fuller001sho | 1886 | Zanesville | Independent | Zanesville, OH | ||
| Chris Fulmer | fulmer001chr | 1886 | -6/27 | 80 g. | Baltimore | American Association | Baltimore, MD |
| Eddie Fusselback | fussel001edd | 1886 | 4/15-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Eddie Fusselback | fussel001edd | 1886 | 10/3-10/18 | Mobile | Gulf League | Mobile, AL | |
| John Gaffney | gaffne002joh | 1886 | 8/24- | 43 g. | Washington | National League | Washington, DC |
| Jim Gagus | 1886 | 2 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Harry Gallagher | 1886 | 5/10-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | ||
| James Gallagher | gallag004jam | 1886 | +6/19-8/6+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| James Gallagher | gallag004jam | 1886 | 8/17-9/4 | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Galligan | gallig001joh | 1886 | 5/1-10/2 | Portland | New England League | Portland, ME | |
| Pete Galligan | gallag002jim | 1886 | +6/15-9/25+ | Chicago Whitings | ChicCity | Chicago, IL | |
| Pete Galligan | gallag002jim | 1886 | 9/4 | 1 g. | Washington | National League | Washington, DC |
| Lou Galvin | galvin001lou | 1886 | no g. | Meriden Silvermen | Eastern League | Meriden, CT | |
| Lou Galvin | galvin001lou | 1886 | 7/5 | Oswego Starchboxes | International League | Oswego, NY | |
| Pud Galvin | galvin001pud | 1886 | 50 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Bob Gamble | gamble001bob | 1886 | 5/8-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Bob Gamble | gamble001bob | 1886 | 7/24 | Binghamton Crickets | International League | Binghamton, NY | |
| Charlie Ganzel | ganzel002cha | 1886 | 1 g. | Philadelphia | National League | Philadelphia, PA | |
| Charlie Ganzel | ganzel002cha | 1886 | 57 g. | Detroit | National League | Detroit, MI | |
| Garbarino | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Gardner | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | ||
| Gardner | gardne035--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Gardner | gardne035--- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Bill Gardner | gardne002bil | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| Gid Gardner | gardne001gid | 1886 | 4/19-7/14 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Gid Gardner | gardne001gid | 1886 | 7/22-7/24 | Brockton | New England League | Brockton, MA | |
| Gid Gardner | gardne001gid | 1886 | 8/2-9/15 | Rochester Maroons | International League | Rochester, NY | |
| Bill Garfield | garfie001bil | 1886-87 | Oberlin College | College | , | ||
| Garmer | 1886 | New York Gorhams | Independent | New York, NY | |||
| George Garrett | 1886 | Roanoke | Indpendent | Richmond, VA | |||
| William Garvin | garvin001wil | 1886 | 29 g. | Newburgh | Hudson River League | Newburgh, NY | |
| Gary | gary--001--- | 1886 | +6/25+ | Petersburg | Virginia League | Petersburg, VA | |
| Ed Gastfield | gastfi001ed- | 1886 | +6/12-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Charles Gaunt | gaunt-001cha | 1886 | Jersey City Blues | Independent | Jersey City, NJ | ||
| W. Gaut | 1886 | 5/14-9/11 | Oneida | CNY | Oneida, NY | ||
| Jerry Geary | geary-001jer | 1886 | 5 g. | San Francisco Californias | California State League | San Francisco, CA | |
| George Geer | geer--001geo | 1886 | 21 g. | Norwich | CNY | Norwich, NY | |
| George Geer | geer--001geo | 1886 | Umpire | CNY | , | ||
| George Geer | geer--001geo | 1886 | 3 g. | Homer | Amateur | Homer, NY | |
| Charlie Geggus | geggus001cha | 1886 | 24 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Charlie Geggus | geggus001cha | 1886 | 8 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Geidel | geidel001--- | 1886 | 8/10-8/11 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Bill Geiss | geiss-001bil | 1886 | 4/15-8/28 | Macon | Southern Association | Macon, GA | |
| Bill Geiss | geiss-001bil | 1886 | 9/5-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Frank Genins | genins001c-- | 1886 | St. Louis Peach Pies | Independent | St. Louis, MO | ||
| Bill George | george001bil | 1886 | 21 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Joe Gerhardt | gerhar001joe | 1886 | 123 g. | New York | National League | New York, NY | |
| Charlie Gessner | gessne001cha | 1886 | 7/19 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Tom Gettinger | gettin001tom | 1886 | Frederick Bee Hives | Independent | Frederick, MD | ||
| Tom Gettinger | gettin001tom | 1886 | Frederick | Independent | Frederick, MD | ||
| Pretzels Getzien | getzie001pre | 1886 | 43 g. | Detroit | National League | Detroit, MI | |
| Whitey Gibson | gibson001whi | 1886 | 5/25-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Whitey Gibson | gibson001whi | 1886 | +7/5-7/19+ | Norfolk | Virginia League | Norfolk, VA | |
| Jim Gifford | giffor001jam | 1886 | -5/14 | g. | New York | American Association | New York, NY |
| Jim Gifford | giffor001jam | 1886 | 8/11-9/16 | Syracuse Stars | International League | Syracuse, NY | |
| John Gilder | 1886 | 13 g. | Rochester | Independent | Rochester, NH | ||
| Bob Gilks | gilks-001rob | 1886 | 5/22-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| Gill | gill--020--- | 1886 | 7/28-9/16 | MLB Umpire | American Association | , | |
| Jim Gill | gill--001jim | 1886 | 6/21-7/14+ | Richmond | Virginia League | Richmond, VA | |
| Tom Gillen | gillen001tom | 1886 | 4/15-8/27 | Savannah | Southern Association | Savannah, GA | |
| Tom Gillen | gillen001tom | 1886 | -9/15 | 2 g. | Detroit | National League | Detroit, MI |
| Patrick Gillespie | gilles003pet | 1886 | 97 g. | New York | National League | New York, NY | |
| Barney Gilligan | gillig001bar | 1886 | 81 g. | Washington | National League | Washington, DC | |
| Pit Gilman | gilman001pit | 1886 | 4/15-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Frank Gilmore | gilmor001fra | 1886 | 5/1-10/1 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Frank Gilmore | gilmor001fra | 1886 | 9/11- | 9 g. | Washington | National League | Washington, DC |
| Buck Gladmon | gladmo001buc | 1886 | 44 g. | Washington | National League | Washington, DC | |
| Buck Gladmon | gladmo001buc | 1886 | 7/31-9/7 | Syracuse Stars | International League | Syracuse, NY | |
| Jack Glasscock | glassc001jac | 1886 | 121 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Bill Gleason | gleaso002bil | 1886 | 125 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Jack Gleason | gleaso001jac | 1886 | 77 g. | Philadelphia | American Association | Philadelphia, PA | |
| Kid Gleason | gleaso002wil | 1886 | Camden Kenny | Independent | Camden, NJ | ||
| Tom Gleeson | 1886 | 3/14-5/2 | Oakland Greenhood & Morans | California State League | Oakland, CA | ||
| Tom Gleeson | 1886 | Sacramento | California League | Sacramento, CA | |||
| Ed Glenn | glenn-001ed- | 1886 | 71 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Ed Glenn | glenn-001ed- | 1886 | 8/31-9/8 | Syracuse Stars | International League | Syracuse, NY | |
| M. Glynn | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| John Godar | godar-001joh | 1886 | Decatur | Independent | Decatur, IL | ||
| H.P. Goddard | goddar001h-- | 1886 | 8/13-8/15 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Tom Golden | golden001tho | 1886 | Springfield | Independent | Springfield, IL | ||
| Walt Goldsby | goldsb001wal | 1886 | 4/15-8/26 | Nashville Americans | Southern Association | Nashville, TN | |
| Walt Goldsby | goldsb001wal | 1886 | 6 g. | Washington | National League | Washington, DC | |
| Goldsmith | goldsm003--- | 1886 | 7/30 | Danville | Pennsylvania State Association | Danville, PA | |
| Fred Goldsmith | goldsm002fre | 1886 | 3 g. | MLB Umpire | National League | , | |
| John Goodfelloe | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| Mike Goodfellow | goodfe001mik | 1886 | 42 g. | Newburgh | Hudson River League | Newburgh, NY | |
| Jake Goodman | goodma001jak | 1886 | 5/10-5/18 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| George Gore | gore--001geo | 1886 | 118 g. | Chicago | National League | Chicago, IL | |
| D. Gorman | 1886 | West Manchester | New Hampshire State League | West Manchester, NH | |||
| Jack Gorman | gorman001jac | 1886 | 5/1-10/2 | Lawrence | New England League | Lawrence, MA | |
| Gorsuch | gorsuc001--- | 1886 | +7/9-7/11 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| D.T. Gorsuch | gorsuc001d-- | 1886 | 5/17-5/26 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Gosman | 1886 | 8 g. | Staten Island | Independent | Staten Island, NY | ||
| Jack Grady | grady-000jac | 1886 | 5/1-7/8 | Brockton | New England League | Brockton, MA | |
| Jack Grady | grady-000jac | 1886 | 7/28-10/2 | Lawrence | New England League | Lawrence, MA | |
| Patrick Grady | grady-002pat | 1886 | Tilton | Independent | Tilton, NH | ||
| Bernie Graham | graham003ber | 1886 | 4/15-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Bernie Graham | graham003ber | 1886 | 7/24-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Bernie Graham | graham003ber | 1886 | 10/3-10/10 | Mobile | Gulf League | Mobile, AL | |
| D. Grant | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Frank Grant | grant-001fra | 1886 | 5/1-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Frank Grant | grant-001fra | 1886 | 7/14-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| Michael Granville | granvi001mic | 1886 | 21 g. | Troy Trojans | Hudson River League | Troy, NY | |
| Lew Graulich | grauli001wil | 1886 | Philadelphia Shieb | Independent | Philadelphia, PA | ||
| Lew Graulich | grauli001wil | 1886 | Kingston | Hudson River League | Kingston, NY | ||
| Lew Graulich | grauli001wil | 1886 | Reading | Independent | Reading, PA | ||
| Frank Graves | graves004fra | 1886 | 5/10-10/4 | 43 g. | St. Louis Maroons | National League | St. Louis, MO |
| Grebe | grebe-001--- | 1886 | +5/22+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Green | green-007--- | 1886 | 9/2 | New Orleans | Gulf League | New Orleans, LA | |
| Ed Green | green-002ed- | 1886 | 5/4-5/19 | Long Island A's | Eastern League | Long Island City, NY | |
| Ed Green | green-002ed- | 1886 | 6/3-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| Jim Green | green-001jim | 1886 | no g. | Mobile | Gulf League | Mobile, AL | |
| Jim Green | green-001jim | 1886 | 4/15-5/3 | Umpire | So | , | |
| John Green | green-009joh | 1886 | 5/8-6/15 | Syracuse Stars | International League | Syracuse, NY | |
| John Green | green-009joh | 1886 | 6/17-7/7 | Oswego Starchboxes | International League | Oswego, NY | |
| John Green | green-009joh | 1886 | +7/29-8/8+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| W. E. Green | 1886 | Hampton | Independent | Hampton, VA | |||
| John Greenig | greeni001joh | 1886 | 6/2 | Charleston Seagulls | Southern Association | Charleston, SC | |
| John Greenig | greeni001joh | 1886 | 7/24-7/28 | Oswego Starchboxes | International League | Oswego, NY | |
| Whiting Greenwald | greenw001whi | 1886 | Philadelphia Somerset | Independent | Philadelphia, PA | ||
| Whiting Greenwald | greenw001whi | 1886 | Philadelphia Harrowgate | Independent | Philadelphia, PA | ||
| Whiting Greenwald | greenw001whi | 1886 | 6/7-6/17 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Bill Greenwood | greenw001bil | 1886 | 5/1-10/1 | Newark Little Giants | Eastern League | Newark, NJ | |
| Ed Greer | greer-001ed- | 1886 | 11 g. | Baltimore | American Association | Baltimore, MD | |
| Ed Greer | greer-001ed- | 1886 | 71 g. | Philadelphia | American Association | Philadelphia, PA | |
| Grennell | grenne001--- | 1886 | 6/5 | Oswego Starchboxes | International League | Oswego, NY | |
| Bart Grether | grethe001alb | 1886 | St. Louis Prickly Ash | Independent | St. Louis, MO | ||
| Bart Grether | grethe001alb | 1886 | Dacatur | Independent | Dacatur, IL | ||
| Bart Grether | grethe001alb | 1886 | +7/9-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Mike Griffin | griffi001mik | 1886 | 5/11-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Sandy Griffin | griffi001san | 1886 | 5/11-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Charles Griswold | griswo001cha | 1886 | 6/11 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| J. Gromley | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Henry Gruber | gruber001hen | 1886 | 5/1- | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Henry Gruber | gruber001hen | 1886 | -10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| John Guehrer | guehre001joh | 1886 | 5/10-9/4 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| John Guehrer | guehre001joh | 1886 | 9/11-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Tom Gunning | gunnin001tom | 1886 | 27 g. | Boston | National League | Boston, MA | |
| Joe Gunson | gunson001joe | 1886 | 4/15-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Joe Gunson | gunson001joe | 1886 | 9/15 | Rochester Maroons | International League | Rochester, NY | |
| Jim Gurnett | 1886 | 1 g. | San Francisco Pioneers | California League | San Francisco, CA | ||
| William Gurnett | gurnet001wil | 1886 | 28 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| William Gurnett | gurnet001wil | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| Daniel Guthrie | guthri001dan | 1886 | 8/14-8/16 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Charlie Hackett | hacket001cha | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Mert Hackett | hacket001mer | 1886 | 62 g. | Kansas City | National League | Kansas City, MO | |
| Walter Hackett | hacket001wal | 1886 | 5/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| George Haddock | haddoc001geo | 1886 | 5/12+ | Topeka Capitals | Western League | Topeka, KS | |
| George Haddock | haddoc001geo | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| Hagen | hagen-002--- | 1886 | 6/23 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Edward Hale | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| Haley | haley-016--- | 1886 | 5/15-5/20 | Providence Grays | Eastern League | Providence, RI | |
| Haley | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | ||
| John Haley | haley-006joh | 1886 | Syracuse Stars | International League | Syracuse, NY | ||
| Hall | hall--007--- | 1886 | 6/23 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Hall | hall--003--- | 1886 | 6/27-7/18 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Hall | hall--003--- | 1886 | 9/5 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Charles Hall | hall--012cha | 1886 | Cornell Univ. | College | , | ||
| Charles Hall | hall--012cha | 1886 | Detroit | National League | Detroit, MI | ||
| Charlie Hall | hall--008cha | 1886 | 5/12-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Frank Halligan | 1886 | Long Island A's | Eastern League | Long Island City, NY | |||
| Frank Halligan | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Bill Hallman | hallma002wil | 1886 | 5/11-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Charlie Hallstrom | hallst001cha | 1886 | +6/27-9/29 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Jim Halpin | halpin001jim | 1886 | 5/1-6/4 | Brockton | New England League | Brockton, MA | |
| Jim Halpin | halpin001jim | 1886 | 6/10-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Halsey | 1886 | 5 g. | Newburgh | Independent | Newburgh, NY | ||
| Halsey | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| Charlie Hamburg | hambur003cha | 1886 | 5/1-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Jim Handiboe | handib001jim | 1886 | 5/28-9/8 | 14 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Handle | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | ||
| Frank Hankinson | hankin001fra | 1886 | 136 g. | New York | American Association | New York, NY | |
| George Hanley | hanley001geo | 1886 | 24 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Hanlon | hanlon004--- | 1886 | New Orleans Waters | Independent | New Orleans, LA | ||
| Hanlon | hanlon004--- | 1886 | 6/20-10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Ned Hanlon | hanlon001ned | 1886 | 126 g. | Detroit | National League | Detroit, MI | |
| Charles Hannan | hannan001cha | 1886 | 8 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Charles Hannan | hannan001cha | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| William Hanrahan | hanrah002wil | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| William Hanrahan | hanrah002wil | 1886 | 19 g. | Saratoga | Hudson River League | Saratoga, NY | |
| Hanson | hanson001--- | 1886 | New Orleans Lamsons | Independent | New Orleans, LA | ||
| Hanson | hanson001--- | 1886 | 6/20 | New Orleans | Gulf League | New Orleans, LA | |
| Hanson | hanson006--- | 1886 | 6/27-7/5 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Hanson | hanson001--- | 1886 | 7/12-10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Hanson | hanson020--- | 1886 | 8/20 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Hantel | hantel001--- | 1886 | New Orleans Lamsons | Independent | New Orleans, LA | ||
| Hantel | hantel001--- | 1886 | 6/27-7/11 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Hantel | hantel001--- | 1886 | 7/26 | New Orleans | Gulf League | New Orleans, LA | |
| Hantel | hantel001--- | 1886 | 8/1 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Bill Harbridge | harbri001bil | 1886 | 4/15-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Bill Harbridge | harbri001bil | 1886 | 7/15-9/6 | Syracuse Stars | International League | Syracuse, NY | |
| Lou Hardie | hardie001lou | 1886 | 16 g. | Chicago | National League | Chicago, IL | |
| Lou Hardie | hardie001lou | 1886 | 22 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Lou Hardie | hardie001lou | 1886 | Incell | Independent | Incell, | ||
| Harkins | harkin001--- | 1886 | 8/21 | Haverhill | New England League | Haverhill, MA | |
| John Harkins | harkin002joh | 1886 | 41 g. | Brooklyn | American Association | Brooklyn, NY | |
| J. M. Harmon | 1886 | Manchester | New Hampshire State League | Manchester, NH | |||
| James Harmon | harmon002jam | 1886 | 5/4-9/4 | Haverhill | New England League | Haverhill, MA | |
| R. B. Harness | 1886 | no g. | Oshkosh | Northwestern League | Oshkosh, WI | ||
| George Harper | harper003joh | 1886 | 5/27-5/28+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| George Harper | harper003joh | 1886 | +6/12-9/20+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Harrington | 1886 | 6/15-7/10 | Umpire | , | |||
| William Harrington | harrin005wil | 1886 | 5/6-7/11 | Oshkosh | Northwestern League | Oshkosh, WI | |
| William Harrington | harrin005wil | 1886 | 7/17-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Harris | harris112--- | 1886 | Fort Edwards | Independent | Fort Edwards, | ||
| Harris | harris112--- | 1886 | HudRiv | , | |||
| Frank Harris | harris005fra | 1886 | Denver Mountain Lions | Western League | Denver, CO | ||
| Hank Harris | harris001hen | 1886 | 4/4-11/28 | San Francisco Haverlys | California League | San Francisco, CA | |
| Abe Harrison | harris001abr | 1886 | Cuban Giants | Independent | Cuban, | ||
| Bill Hart | hart--004wil | 1886 | 4/15-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Bill Hart | hart--004wil | 1886 | 7/26- | 22 g. | Philadelphia | American Association | Philadelphia, PA |
| Billy Hart | hart--002bil | 1886 | 5/12+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Billy Hart | hart--002bil | 1886 | +7/25-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Jim Hart | hart--008jam | 1886 | Louisville | American Association | Louisville, KY | ||
| George Harter | harter001geo | 1886 | 4/15-7/21 | Macon | Southern Association | Macon, GA | |
| George Harter | harter001geo | 1886 | 8/2-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Jumbo Harting | hartin001jum | 1886 | +7/9-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Jumbo Harting | hartin001jum | 1886 | 10/5 | 1 g. | St. Louis Browns | American Association | St. Louis, MO |
| Pat Hartnett | hartne001pat | 1886 | 5/1-9/14 | Boston Blues | New England League | Boston, MA | |
| Pete Hasney | hasney001pet | 1886 | 5/10-5/17 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Pete Hasney | hasney001pet | 1886 | Philadelphia Somerset | Independent | Philadelphia, PA | ||
| Pete Hasney | hasney001pet | 1886 | 6/16-9/18 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Christy Hassett | hasset001chr | 1886 | 5/11-6/1 | Binghamton Crickets | International League | Binghamton, NY | |
| Christy Hassett | hasset001chr | 1886 | Brooklyn Ridgeways | Independent | Brooklyn, NY | ||
| Christy Hassett | hasset001chr | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Christy Hassett | hasset001chr | 1886 | 9/20-10/2 | Lawrence | New England League | Lawrence, MA | |
| Gil Hatfield | hatfie001gil | 1886 | 5/1-10/2 | Portland | New England League | Portland, ME | |
| Charlie Hautz | houtz-001cha | 1886 | -7/? | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Charlie Hautz | houtz-001cha | 1886 | 9/16-10/31 | Mobile | Gulf League | Mobile, AL | |
| Bill Hawes | hawes-001bil | 1886 | 5/1-8/28 | Brockton | New England League | Brockton, MA | |
| Bill Hawes | hawes-001bil | 1886 | 9/7-9/30 | Haverhill | New England League | Haverhill, MA | |
| Thorny Hawkes | hawkes001tho | 1886 | 5/1-9/30 | Haverhill | New England League | Haverhill, MA | |
| Theodore Hawkins | hawkin001the | 1886 | 5/12-7/9+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Hay | hay---002--- | 1886 | +7/13+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Hayes | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| J. B. Hayes | 1886 | no g. | Denver Mountain Lions | Western League | Denver, CO | ||
| Jack Hayes | hayes-003jac | 1886 | 14 g. | Sacramento | California League | Sacramento, CA | |
| Jack Hayes | hayes-003jac | 1886 | 17 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Jackie Hayes | hayes-001jac | 1886 | 5/6-7/13 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Jackie Hayes | hayes-001jac | 1886 | 26 g. | Washington | National League | Washington, DC | |
| John Hayes | hayes-005joh | 1886 | 4/25- | Mobile | Independent | Mobile, AL | |
| John Hayes | hayes-005joh | 1886 | 7/4-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Healey | healey008--- | 1886 | 5/31 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Joseph Healey | healey001jos | 1886 | 5/18-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Tom Healey | healey001tom | 1886 | 5/31-9/25 | Portland | New England League | Portland, ME | |
| Egyptian Healy | healy-001egy | 1886 | 43 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Ed Heck | heck--004--- | 1886 | Topeka Atlantic | Independent | Topeka, KS | ||
| Guy Hecker | hecker001guy | 1886 | 84 g. | Louisville | American Association | Louisville, KY | |
| Heffner | heffne001--- | 1886 | +6/30-9/16+ | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Frank Heifer | heifer001fra | 1886 | 5/18-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Jack Heinzman | heinzm001jac | 1886 | 5/20-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Jack Heinzman | heinzm001jac | 1886 | 7/31-8/28 | Macon | Southern Association | Macon, GA | |
| Jack Heinzman | heinzm001jac | 1886 | Louisville Etheridge | semi-pro | Louisville, KY | ||
| Jack Heinzman | heinzm001jac | 1886 | 10/2 | 1 g. | Louisville | American Association | Louisville, KY |
| Charles Helfer | helfer001cha | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Charles Helfer | helfer001cha | 1886 | 5/11-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Tony Hellman | hellma001ton | 1886 | 5/15-8/30 | Nashville Americans | Southern Association | Nashville, TN | |
| Tony Hellman | hellma001ton | 1886 | 10/10 | 1 g. | Baltimore | American Association | Baltimore, MD |
| Ducky Hemp | hemp--001duc | 1886 | Alton | Independent | Alton, IL | ||
| Hardie Henderson | hender004har | 1886 | 19 g. | Baltimore | American Association | Baltimore, MD | |
| Hardie Henderson | hender004har | 1886 | 14 g. | Brooklyn | American Association | Brooklyn, NY | |
| John Hendricks | hendri006joh | 1886 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | ||
| John Hendricks | hendri006joh | 1886 | +5/27-6/7+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Hendricks | hendri006joh | 1886 | +9/2-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Ed Hengel | hengle001edw | 1886 | 5/6-5/22 | Umpire | NW | , | |
| Ed Hengel | hengle001edw | 1886 | 5/31-8/7 | Umpire | So | , | |
| Moxie Hengel | hengle001mox | 1886 | 5/11-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Heniro | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Spike Hennessey | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| John Henry | henry-007joh | 1886 | 5/3-9/9 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| John Henry | henry-007joh | 1886 | 4 g. | Washington | National League | Washington, DC | |
| Josh Herbert | herber002jos | 1886 | 6/24-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Joseph Herr | herr--001jos | 1886 | 5/12-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Walter Herrington | herrin001wal | 1886 | Scottdale | WPa | Scottdale, PA | ||
| James Hewer | hewer-001jam | 1886 | 46 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| John Hibbard | hibbar001joh | 1886 | 7/24-8/14 | Hamilton Clippers | International League | Hamilton, ON | |
| Ernie Hickman | hickma001ern | 1886 | +6/30-7/19+ | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Levi Hickman | hickma001lev | 1886 | 5/4-7/5 | Portland | New England League | Portland, ME | |
| Bill Higgins | higgin001bil | 1886 | 5/7-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| John Hiland | hiland001joh | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| George Hilbert | hilber001geo | 1886 | 27 g. | Sacramento | California League | Sacramento, CA | |
| James Hillery | hiller002jam | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| James Hillery | hiller002jam | 1886 | 9/8-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Charlie Hilsey | hilsey001cha | 1886 | West Chester Brandywines | Independent | West Chester, PA | ||
| Hines | hines-006--- | 1886 | 8/7 | Lawrence | New England League | Lawrence, MA | |
| Hunkey Hines | hines-001hun | 1886 | Rockford | Independent | Rockford, IL | ||
| Mike Hines | hines-001mik | 1886 | 5/4-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Mike Hines | hines-001mik | 1886 | 7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Paul Hines | hines-001pau | 1886 | 121 g. | Washington | National League | Washington, DC | |
| Hodge | hodge-001--- | 1886 | New Orleans Waters | Independent | New Orleans, LA | ||
| Hodge | hodge-001--- | 1886 | 6/20-6/21 | New Orleans | Gulf League | New Orleans, LA | |
| Hodge | hodge-003--- | 1886 | 6/27-7/5 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Hodge | hodge-001--- | 1886 | 7/12-10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Hoefner | 1886 | Olean | Olean, NY | ||||
| Hoffner | hoffne001--- | 1886 | Reading Actives | Independent | Reading, PA | ||
| Hoffner | hoffne001--- | 1886 | 7/27-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Chick Hofford | hoffor001jos | 1886 | 5/14-9/25 | Utica Pent Ups | International League | Utica, NY | |
| John Hofford | hoffor001joh | 1886 | -7/24 | 9 g. | Pittsburgh | American Association | Pittsburgh, PA |
| John Hofford | hoffor001joh | 1886 | 8/31 | Rochester Maroons | International League | Rochester, NY | |
| Bob Hogan | hogan-001edd | 1886 | St. Louis Peach Pies | S-p | St. Louis, MO | ||
| Bob Hogan | hogan-001edd | 1886 | +7/10-8/8+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Mortimer Hogan | hogan-001mor | 1886 | 4/15-6/26 | Augusta Browns | Southern Association | Augusta, GA | |
| Mortimer Hogan | hogan-001mor | 1886 | 7/7-8/2 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Tom Hogan | 1886 | Leavenworth Soldiers | Western League | Leavenworth, KS | |||
| Tom Hogan | 1886 | 8/28-9/19 | Denver Mountain Lions | Western League | Denver, CO | ||
| William Hoggins | hoggin001wil | 1886 | +6/12+ | Lynchburg | Independent | Lynchburg, VA | |
| William Hoggins | hoggin001wil | 1886 | 7/3-7/14 | Lynchburg | Virginia League | Lynchburg, VA | |
| William Hoggins | hoggin001wil | 1886 | +7/31+ | Danville | Virginia League | Danville, PA | |
| Charles Holacher | holach001cha | 1886 | 5/11-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Charles Holacher | holach001cha | 1886 | 8/2-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Bill Holbert | holber001bil | 1886 | 48 g. | New York | American Association | New York, NY | |
| Will Holland | hollan007wil | 1886 | 4/15-6/17 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Will Holland | hollan007wil | 1886 | +7/22-7/31+ | Danville | Virginia League | Danville, PA | |
| Will Holland | hollan007wil | 1886 | 8/5-9/23 | Lawrence | New England League | Lawrence, MA | |
| Bug Holliday | hollid001bug | 1886 | 5/12-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Benjamin Holmes | 1886 | Cuban Giants | Independent | Cuban, | |||
| W. Holmes | holmes002w-- | 1886 | 5/8-5/9+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| W. Holmes | holmes002w-- | 1886 | +8/18-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| John Holzberger | holzbe001joh | 1886 | 5/8-5/31 | Buffalo Bisons | International League | Buffalo, NY | |
| Charlie Hoover | hoover001cha | 1886 | +6/30-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| William Hoover | hoover001bus | 1886 | 40 g. | Baltimore | American Association | Baltimore, MD | |
| William Hoover | hoover001bus | 1886 | 7/2-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| William Hoover | 1886 | Umpire | Int | , | |||
| Horan | horan-001--- | 1886 | +5/22-7/6+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Jack Horner | horner002jac | 1886 | 5/24-8/27 | Rochester Maroons | International League | Rochester, NY | |
| Jack Horner | horner002jac | 1886 | 9/4-9/17 | Oswego Starchboxes | International League | Oswego, NY | |
| Joe Hornung | hornun001mik | 1886 | 94 g. | Boston | National League | Boston, MA | |
| T. Horrigan | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| Pete Hotaling | hotali001pet | 1886 | 4/15-9/4 | Savannah | Southern Association | Savannah, GA | |
| Sadie Houck | houck-001sad | 1886 | 61 g. | Baltimore | American Association | Baltimore, MD | |
| Sadie Houck | houck-001sad | 1886 | 52 g. | Washington | National League | Washington, DC | |
| Charlie Householder | househ002cha | 1886 | 5/8-8/3 | Syracuse Stars | International League | Syracuse, NY | |
| Charlie Householder | househ002cha | 1886 | 8/17-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| William Houseman | housem001fra | 1886 | +7/28-7/31+ | Danville | Virginia League | Danville, PA | |
| William Houseman | housem001fra | 1886 | 9/2 | 1 g. | Baltimore | American Association | Baltimore, MD |
| George Hoverter | hovert001geo | 1886 | Lewisburg | Amat | Lewisburg, PA | ||
| Sam Hoverter | hovert001--- | 1886 | Lewisburg | Amat | Lewisburg, PA | ||
| Hovey | 1886 | 5/1- | Umpire | Int | , | ||
| Kent Howard | howard002ken | 1886 | no g. | St. Louis | National League | , | |
| Kent Howard | howard002ken | 1886 | 5/12-5/29 | Boston Blues | New England League | Boston, MA | |
| Shorty Howe | howe--001sho | 1886 | 4/28-5/ | Elmira | Independent | Elmira, NY | |
| Shorty Howe | howe--001sho | 1886 | 5/11-7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Shorty Howe | howe--001sho | 1886 | 11 g. | Newburgh | Hudson River League | Newburgh, NY | |
| Billy Hoy | hoy---001wil | 1886 | 5/6-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Nat Hudson | hudson001nat | 1886 | 4/18- | 43 g. | St. Louis Browns | American Association | St. Louis, MO |
| Vince Hudson | hudson001vin | 1886 | 5/1 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Vince Hudson | hudson001vin | 1886 | 5/8-6/12 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Vince Hudson | hudson001vin | 1886 | 8/24-9/4 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Hughes | hughes024--- | 1886 | 9/11-9/17 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Bill Hughes | hughes001bil | 1886 | no g. | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Mickey Hughes | hughes007mic | 1886 | 5/1-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| W. Hughes | hughes002w-- | 1886 | Leadville Blues | Western League | Leadville, CO | ||
| Arthur Hull | hull--001art | 1886 | 5/12-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Elmer Hull | hull--000elm | 1886 | Frederick | Independent | Frederick, MD | ||
| Daniel Humphries | humphr002dan | 1886 | Philadelphia Somerset | Independent | Philadelphia, PA | ||
| Daniel Humphries | humphr002dan | 1886 | Philadelphia Harrowgate | Independent | Philadelphia, PA | ||
| Daniel Humphries | humphr002dan | 1886 | 6/2-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| John Humphries | humphr004joh | 1886 | 5/8-9/23 | Toronto Canucks | International League | Toronto, ON | |
| Al Hungler | hungle001--- | 1886 | Leadville Blues | Western League | Leadville, CO | ||
| Bill Hunter | hunter001bil | 1886 | 80 ab | Denver Mountain Lions | Western League | Denver, CO | |
| Bill Hunter | hunter001bil | 1886 | Leavenworth Soldiers | Western League | Leavenworth, KS | ||
| Jerry Hurley | hurley002jer | 1886 | Boston Univ. | College | , | ||
| Jerry Hurley | hurley002jer | 1886 | 9/9-10/2 | Lawrence | New England League | Lawrence, MA | |
| Michael Hurley | hurley001mic | 1886 | Leavenworth Soldiers | Western League | Leavenworth, KS | ||
| Jack Huston | huston001jac | 1886 | 5/8-5/29 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Jack Huston | huston001jac | 1886 | Mount Carmel | Mount Carmel, PA | |||
| A.H. Hutchings | hutchi001a-- | 1886 | 6/24-6/30 | Buffalo Bisons | International League | Buffalo, NY | |
| A.H. Hutchings | hutchi001a-- | 1886 | Jersey City Blues | Independent | Jersey City, NJ | ||
| Hyde | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Jim Hyndman | hyndma001jim | 1886 | Kingston | Amat | Kingston, PA | ||
| Jim Hyndman | hyndma001jim | 1886 | 5/29-6/12 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Jim Hyndman | hyndma001jim | 1886 | 7/29-8/4 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Jim Hyndman | hyndma001jim | 1886 | 9/29 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| William Hyndman | hyndma001wil | 1886 | 5/10-5/31 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| William Hyndman | hyndma001wil | 1886 | 6/11-7/8 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| William Hyndman | hyndma001wil | 1886 | 7/23 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| William Incell | incell001wil | 1886 | 28 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Charlie Ingraham | ingrah001cha | 1886 | Decatur | Independent | Decatur, IL | ||
| Charlie Ingraham | ingrah001cha | 1886 | +6/26-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Bert Inks | inks--001ber | 1886 | Evansville | Evansville, IL | |||
| Arthur Irwin | irwin-001art | 1886 | 101 g. | Philadelphia | National League | Philadelphia, PA | |
| Bill Irwin | irwin-001bil | 1886 | Lexington | BlueGrass | Lexington, KY | ||
| Bill Irwin | irwin-001bil | 1886 | 8/30-10/7 | 2 g. | Cincinnati | American Association | Cincinnati, OH |
| John Irwin | irwin-001joh | 1886 | 3 g. | Philadelphia | American Association | Philadelphia, PA | |
| John Irwin | irwin-001joh | 1886 | 5/19-9/29 | Haverhill | New England League | Haverhill, MA | |
| Charles Isaacson | isaacs004cha | 1886 | 5/8-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Bob Jackson | jackso001bob | 1886 | York Monarchs | Independent | York, PA | ||
| George Jackson | jackso003geo | 1886 | Cuban Giants | Independent | Cuban, | ||
| James Jackson | jackso010jam | 1886 | Troy Trojans | Hudson River League | Troy, NY | ||
| Jacobs | jacobs013--- | 1886 | 5/8+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Alex Jacobs | jacobs001ale | 1886 | Bucknell Univ | College | , | ||
| Alex Jacobs | jacobs001ale | 1886 | 8/4-9/28 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Harry Jacoby | jacoby001har | 1886 | 5/8-9/18 | Syracuse Stars | International League | Syracuse, NY | |
| Jahns | jahns-000--- | 1886 | 7/5-7/14+ | Richmond | Virginia League | Richmond, VA | |
| Duke Jantzen | jantze001a-- | 1886 | 5/12-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Jennings | jennin005--- | 1886 | +8/26-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Hughie Jennings | jennin001hug | 1886 | Mansfield State | College | , | ||
| Fred Jevne | jevne-001fre | 1886 | 5/8-5/29 | Buffalo Bisons | International League | Buffalo, NY | |
| Fred Jevne | jevne-001fre | 1886 | +7/12-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Johnson | 1886 | 16 g. | Kingston | Hudson River League | Kingston, NY | ||
| Johnson | johnso104--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Johnson | johnso104--- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Johnson | 1886 | New York Gorhams | Independent | New York, NY | |||
| Harry Johnson | 1886 | Cuban Giants | Independent | Cuban, | |||
| Lefty Johnson | johnso037wil | 1886 | 5/1-10/1 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Davy Johnston | johnst003dav | 1886 | 7/12-10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Davy Johnston | johnst003dav | 1886 | 6/27-7/5 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Dick Johnston | johnst001dic | 1886 | 109 g. | Boston | National League | Boston, MA | |
| Jones | jones-073--- | 1886 | 8/23 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Bill Jones | jones-003bil | 1886 | Ticonderoga | Independent | Ticonderoga, NY | ||
| Bill Jones | jones-003bil | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| Bill Jones | jones-003bil | 1886 | Ticonderoga | Independent | Ticonderoga, NY | ||
| Bill Jones | jones-003bil | 1886 | Little Falls | Independent | Little Falls, NY | ||
| Bill Jones | jones-003bil | 1886 | Oneida | Independent | Oneida, NY | ||
| Charles Jones | 1886 | no g. | Leavenworth Soldiers | Western League | Leavenworth, KS | ||
| Charley Jones | jones-018cha | 1886 | 127 g. | Cincinnati | American Association | Cincinnati, OH | |
| Charlie Jones | jones-019cha | 1886 | 5/11-7/12 | Binghamton Crickets | International League | Binghamton, NY | |
| Frank Jones | jones-002fra | 1886 | 5/8-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Henry Jones | jones-007hen | 1886 | no g. | Rochester Maroons | International League | Rochester, NY | |
| Henry Jones | jones-007hen | 1886 | 8/8-9/14 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Mike Jones | jones-002mik | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Silas Jones | jones-001sil | 1886 | 14 g. | Saratoga | Hudson River League | Saratoga, NY | |
| Mike Jordan | jordan001mik | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| George Joyce | joyce-001geo | 1886 | 8/14 | 1 g. | Washington | National League | Washington, DC |
| Henry Kappel | kappel001hei | 1886 | 4/15-6/26 | Augusta Browns | Southern Association | Augusta, GA | |
| Henry Kappel | kappel001hei | 1886 | 6/28-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Henry Kappel | kappel001hei | 1886 | 9/10-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Henry Kappel | kappel001hei | 1886 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | ||
| Joe Kappel | kappel001joe | 1886 | 5/11-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| George Kauffman | 1886 | Frederick Bee Hives | Independent | Frederick, MD | |||
| George Kauffman | 1886 | Frederick | Independent | Frederick, MD | |||
| Charles Kavanaugh | cavana001cha | 1886 | 5/1-8/6 | Portland | New England League | Portland, ME | |
| Tom Kearns | kearns001tom | 1886 | 5/1-10/2 | Portland | New England League | Portland, ME | |
| Forest Keay | keay--002for | 1886-88 | Dartmouth | College | , | ||
| George Keefe | keefe-002geo | 1886 | 7/30- | 4 g. | Washington | National League | Washington, DC |
| John Keefe | keefe-001joh | 1886-87 | Holy Cross Col. | College | , | ||
| Maurice Keefe | keefe-001mau | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Tim Keefe | keefe-002tim | 1886 | 64 g. | New York | National League | New York, NY | |
| Jim Keenan | keenan001jim | 1886 | 44 g. | Cincinnati | American Association | Cincinnati, OH | |
| Joseph Keenan | keenan005jos | 1886 | 5/17-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| Frank Keffer | keffer001fra | 1886 | 5/8-7/6 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Frank Keffer | keffer001fra | 1886 | 8/26-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Nate Kellogg | kellog001nat | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Kelly | kelly-011--- | 1886 | +5/18-6/27+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Charles Kelly | kelly-007cha | 1886 | Cambridge Franklins | Independent | Cambridge, MA | ||
| Charlie Kelly | kelly-004cha | 1886 | Philadelphia Solar Tips | Independent | Philadelphia, PA | ||
| Charlie Kelly | kelly-004cha | 1886 | 6/10 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Charlie Kelly | kelly-004cha | 1886 | 7/2-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| James Kelly | 1886 | 21 g. | Saratoga | Hudson River League | Saratoga, NY | ||
| John Kelly | kelly-012joh | 1886 | Mobile | Gulf League | Mobile, AL | ||
| John Kelly | kelly-012joh | 1886 | 6/20-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| King Kelly | kelly-002kin | 1886 | 118 g. | Chicago | National League | Chicago, IL | |
| Michael Kelly | kelly-009mic | 1886 | 4/15-5/27 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Michael Kelly | kelly-009mic | 1886 | 6/10-7/31+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Rudy Kemmler | kemmle001rud | 1886 | 35 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Doc Kennedy | kenned001doc | 1886 | 5/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Ed Kennedy | kenned001ed- | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Ed Kennedy | kenned001ed- | 1886 | 5/11-7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Ed Kennedy | kenned001ed- | 1886 | -8/25 | 6 g. | Brooklyn | American Association | Brooklyn, NY |
| Ed Kennedy | kenned001ed- | 1886 | 9/17-9/29 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Fred Kennedy | 1886 | 3 g. | San Francisco Star | California League | San Francisco, CA | ||
| Lou Kennedy | kenned002lou | 1886 | San Francisco Star | California League | San Francisco, CA | ||
| Ted Kennedy | kenned001ted | 1886 | 20 g. | Philadelphia | American Association | Philadelphia, PA | |
| Ted Kennedy | kenned001ted | 1886 | Chicago Kents | Independent | Chicago, IL | ||
| Ted Kennedy | kenned001ted | 1886 | -9/23 | 4 g. | Louisville | American Association | Louisville, KY |
| Tom Kennedy | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| Alexander Kenney | kenney001ale | 1886 | 6/25-7/8 | Boston Blues | New England League | Boston, MA | |
| Bert Kenney | kenney001ber | 1886 | Norwich | CNY | Norwich, NY | ||
| Ed Kent | kent--001ed- | 1886 | 4/17-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| John Kent | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| Jack Kenyon | kenyon001jac | 1886 | 5/15-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| John Kerins | kerins001joh | 1886 | 120 g. | Louisville | American Association | Louisville, KY | |
| George Kerr | kerr--002geo | 1886 | 5/8 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Larry Ketrick | ketric001lar | 1886 | Scranton Athletic | Amat | Scranton, PA | ||
| Kettrung | 1886 | 6 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Bill Kienzle | kienzl001bil | 1886 | 5/8-8/5 | Rochester Maroons | International League | Rochester, NY | |
| Bill Kienzle | kienzl001bil | 1886 | 8/17-9/29 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| John Kiley | kiley-001joh | 1886 | 5/1-6/5 | Lawrence | New England League | Lawrence, MA | |
| John Kiley | kiley-001joh | 1886 | 6/10-7/1 | Brockton | New England League | Brockton, MA | |
| John Kiley | kiley-001joh | 1886 | 7/3-10/2 | Boston Blues | New England League | Boston, MA | |
| Killings | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Matt Kilroy | kilroy001mat | 1886 | 4/17- | 68 g. | Baltimore | American Association | Baltimore, MD |
| Mike Kilroy | kilroy001mik | 1886 | 5/12 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Mike Kilroy | kilroy001mik | 1886 | +8/+ | Norfolk | Virginia League | Norfolk, VA | |
| Sam Kimber | kimber001sam | 1886 | 4/16-5/11 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Sam Kimber | kimber001sam | 1886 | 5/28 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Sam Kimber | kimber001sam | 1886 | 6/24-8/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Joe King | king--002joe | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Joe King | king--002joe | 1886 | 5/14-9/2 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Silver King | king--001sil | 1886 | +7/9-9/5 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Silver King | king--001sil | 1886 | 9/28- | 7 g. | Kansas City | National League | Kansas City, MO |
| W. H. King | 1886 | Princeton Univ. | College | , | |||
| Moses Kingsley | kingsl001mos | 1886 | 44 g. | Newburgh | Hudson River League | Newburgh, NY | |
| Tom Kinslow | kinslo001tom | 1886 | 6/4- | 3 g. | Washington | National League | Washington, DC |
| Tom Kinslow | kinslo001tom | 1886 | Frederick | Independent | Frederick, MD | ||
| Walt Kinzie | kinzie001wal | 1886 | +6/12-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| John Kirby | kirby-002joh | 1886 | 42 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Albert Kirmes | kirmes001alb | 1886 | 7/12 | Haverhill | New England League | Haverhill, MA | |
| Albert Kirmes | kirmes001alb | 1886 | 7/21-8/3 | Lawrence | New England League | Lawrence, MA | |
| Almon Kirtland | kirtla001alm | 1886 | Oneida | Independent | Oneida, NY | ||
| J. J. Kitty | 1886 | New York Climax | Independent | New York, NY | |||
| Bernard Kleinbacher | 1886 | 5/18-8/30 | MLB Umpire | American Association | , | ||
| Billy Klusman | klusma001bil | 1886 | 5/12-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Phil Knell | knell-001phi | 1886 | 3 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Knight | knight009--- | 1886 | 6/12-7/1 | Buffalo Bisons | International League | Buffalo, NY | |
| Joe Knight | knight002jos | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Lon Knight | knight001lon | 1886 | 5/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Ed Knouff | knouff001ed- | 1886 | 4/16-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Ed Knouff | knouff001ed- | 1886 | 9/8-9/17 | Syracuse Stars | International League | Syracuse, NY | |
| Ed Knouff | knouff001ed- | 1886 | - 6/7 | 1 g. | Baltimore | American Association | Baltimore, MD |
| Knowles | 1886 | 4 g. | Stockton | California State League | Stockton, CA | ||
| Jimmy Knowles | knowle001jim | 1886 | 115 g. | Washington | National League | Washington, DC | |
| George Knowlton | knowlt001geo | 1886 | 5/4-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Knox | knox--008--- | 1886 | +7/23+ | Richmond | Virginia League | Richmond, VA | |
| Andy Knox | knox--001and | 1886 | 5/29-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Kollay | 1886 | 5/- | St. Louis Peach Pies | Independent | St. Louis, MO | ||
| Charles Koockegey | koocke001cha | 1886 | no g. | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Charles Koockegey | koocke001cha | 1886 | 5/14-5/31 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Charles Koockegey | koocke001cha | 1886 | 6/21-6/25+ | Richmond | Virginia League | Richmond, VA | |
| Harry Koons | koons-001har | 1886 | Charleston Seagulls | Southern Association | Charleston, SC | ||
| Harry Koons | koons-001har | 1886 | 9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Frank Kreeger | kreege001fra | 1886 | St. Joseph Reds | Western League | St. Joseph, MO | ||
| Charlie Krehmeyer | krehme001cha | 1886 | 5/8-6/9 | Memphis Grays | Southern Association | Memphis, TN | |
| Charlie Krehmeyer | krehme001cha | 1886 | 6/18-7/22 | Nashville Americans | Southern Association | Nashville, TN | |
| Charlie Krehmeyer | krehme001cha | 1886 | 8/9-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Bill Krieg | krieg-001bil | 1886 | 5/1-9/9 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Bill Krieg | krieg-001bil | 1886 | 27 g. | Washington | National League | Washington, DC | |
| Gus Krock | krock-001gus | 1886 | +7/31 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Gus Krock | krock-001gus | 1886 | +8/17-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Bill Kuehne | kuehne001bil | 1886 | 117 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| J. H. Kuhn | 1886 | Frederick | Independent | Frederick, MD | |||
| Henry? Kurtz | 1886 | +7/31+ | Danville | Virginia League | Danville, PA | ||
| Lahare | lahare001--- | 1886 | 6/21 | New Orleans | Gulf League | New Orleans, LA | |
| Mike Lambeau | lambea001mik | 1886 | 7/22-8/8 | New Orleans | Gulf League | New Orleans, LA | |
| Steve Lambert | lamber002ste | 1886 | 5/3-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Steve Lambert | lamber002ste | 1886 | 7/17-8/17 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Steve Lambert | lamber002ste | 1886 | 9/3 | Brockton | New England League | Brockton, MA | |
| Steve Lambert | lamber002ste | 1886 | 9/8-9/15 | Boston Blues | New England League | Boston, MA | |
| Doc Landis | landis001doc | 1886 | 5/4-5/31 | Providence Grays | Eastern League | Providence, RI | |
| W. Lane | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| Franklin Lang | lang--002fra | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| John Lang | 1886 | Cuban Giants | Independent | Cuban, | |||
| Fred Lange | lange-001fre | 1886 | 28 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Fred Lange | lange-001fre | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| Langston | langst003--- | 1886 | 9/16-9/23 | Mobile | Gulf League | Mobile, AL | |
| Henry Lanser | lanser001hen | 1886 | 4/16-5/17 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Henry Lanser | lanser001hen | 1886 | +7/9-9/17 | Denver Mountain Lions | Western League | Denver, CO | |
| Henry Larkin | larkin001hen | 1886 | 139 g. | Philadelphia | American Association | Philadelphia, PA | |
| T. L. Larkin | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| Patrick Larkins | larkin003--- | 1886 | 5/8-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| Sam LaRocque | larocq001sam | 1886 | 5/1-8/11 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Sam LaRocque | larocq001sam | 1886 | 8/14-10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| John Lasch | lasch-001joh | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| Arlie Latham | latham002wal | 1886 | 134 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Jumbo Latham | latham001jum | 1886 | 5/1-6/15 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Jumbo Latham | latham001jum | 1886 | 7/7-9/24 | Utica Pent Ups | International League | Utica, NY | |
| Latimer | latime002--- | 1886 | 6/26-7/13 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Ben Laughlin | laughl001ben | 1886 | New York Times | Independent | New York, NY | ||
| Johnny Lavin | lavin-001joh | 1886 | 4/15-5/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Johnny Lavin | lavin-001joh | 1886 | +5/22-6/20+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Johnny Lavin | lavin-001joh | 1886 | 7/9-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| Mike Lawlor | lawlor001mik | 1886 | -5/29 | Albany Senators | Hudson River League | Albany, NY | |
| William Lawlor | lawlor001wil | 1886 | Brooklyn Ridgewood | Independent | Brooklyn, NY | ||
| William Lawlor | lawlor001wil | 1886 | 5/13-5/20 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Howard Lawrence | lawren029--- | 1886 | Decatur | Independent | Decatur, IL | ||
| Howard Lawrence | lawren029--- | 1886 | +7/17+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Henry Lawson | 1886 | Newburgh | Hudson River League | Newburgh, NY | |||
| Horatio Lawton | lawton001hor | 1886 | 27 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Dan Leahy | leahy-003dan | 1886 | 8/26-9/21 | Brockton | New England League | Brockton, MA | |
| T.J. Leahy | leahy-001t-- | 1886 | 8/4,9/18 | Lawrence | New England League | Lawrence, MA | |
| Jack Leary | leary-001jac | 1886 | 5/1-5/15 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Llewellyn Legg | legg--001lle | 1886 | Columbus | Columbus, GA | |||
| Llewellyn Legg | legg--001lle | 1886 | +5/18-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Mike Lehane | lehane001mik | 1886 | Long Island Ridgeways | Independent | Long Island, NY | ||
| Mike Lehane | lehane001mik | 1886 | 53 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| J.W. Leib | leib--001j-- | 1886 | 5/8-5/12 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| J.W. Leib | leib--001j-- | 1886 | 5/14-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Conrad Leithman | leithm001con | 1886 | Robert E. Lee's | Gulf League | New Orleans, LA | ||
| Conrad Leithman | leithm001con | 1886 | 6/20-7/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Frank Leonard | leonar001fra | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Charlie Levis | levis-001cha | 1886 | 4/15-7/8 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Charlie Levis | levis-001cha | 1886 | 7/29-9/1 | Binghamton Crickets | International League | Binghamton, NY | |
| David Levy | levy--001dav | 1886 | 7 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| David Levy | levy--001dav | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| David Levy | levy--001dav | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Rube Levy | levy--001reu | 1886 | 27 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Fred Lewis | lewis-003fre | 1886 | -8/26 | 77 g. | Cincinnati | American Association | Cincinnati, OH |
| H. Lewis | lewis-001h-- | 1886 | Mobile | Independent | Mobile, AL | ||
| H. Lewis | lewis-001h-- | 1886 | 6/20-10/31 | Mobile | Gulf League | Mobile, AL | |
| Silver Lewis | lewis-001sil | 1886 | 2 g. | San Francisco Star | California League | San Francisco, CA | |
| Silver Lewis | lewis-001sil | 1886 | 14 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Jim Lillie | lillie001jim | 1886 | 114 g. | Kansas City | National League | Kansas City, MO | |
| Frank Linnehan | linneh001fra | 1886 | 14 g. | Troy Trojans | Hudson River League | Troy, NY | |
| Hugh Linnehan | linneh001hug | 1886 | Meriden Resolutes | Independent | Meriden, CT | ||
| Hugh Linnehan | linneh001hug | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Rudolph Lion | lion--001rud | 1886 | New Orleans | Gulf League | New Orleans, LA | ||
| Harry Lloyd | lloyd-019--- | 1886 | no g. | Memphis Grays | Southern Association | Memphis, TN | |
| Pete Lohman | lohman001geo | 1886 | Sacramento | California League | Sacramento, CA | ||
| Lonefellow | 1886 | 3 g. | Stockton | California State League | Stockton, CA | ||
| Long | long--003--- | 1886 | 7/1-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Billy Long | long--001bil | 1886 | Bangor | Independent | Bangor, ME | ||
| Dan Long | long--003dan | 1886 | 28 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Dan Long | long--003dan | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| Edward Lorrigan | lorrig001edw | 1886 | 4 g. | Stockton | California State League | Stockton, CA | |
| Frank Loughran | loughr001fra | 1886 | 2 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Frank Loughran | loughr001fra | 1886 | 3 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Tom Lovett | lovett001tom | 1886 | 5/3-8/11 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Tom Lovett | lovett001tom | 1886 | 8/14-10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| William Lovett | lovett003wil | 1886 | 6/20-9/23 | Mobile | Gulf League | Mobile, AL | |
| Bobby Lowe | lowe--002rob | 1886 | New Castle Neshhannock | Independent | New Castle, PA | ||
| Lowery | 1886 | 23 g. | Kingston | Hudson River League | Kingston, NY | ||
| William Lucas | lucas-005wil | 1886 | 5/6-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Puss Luck | luck--001pus | 1886 | 6/21-7/24+ | Richmond | Virginia League | Richmond, VA | |
| Luddy | luddy-001--- | 1886 | 10/1 | Brockton | New England League | Brockton, MA | |
| Ludwig | ludwig004--- | 1886 | 7/25-7/26 | New Orleans | Gulf League | New Orleans, LA | |
| William Ludwig | ludwig004wil | 1886 | Frederick | Independent | Frederick, MD | ||
| Joseph Lufberry | lufber001jos | 1886 | 5/1-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Luke Lutenberg | lutenb001luk | 1886 | -6/ | Decatur | Independent | Decatur, IL | |
| Luke Lutenberg | lutenb001luk | 1886 | 7/9-8/28 | Macon | Southern Association | Macon, GA | |
| Lyman | lyman-001--- | 1886 | 15 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Lynch | 1886 | Brooklyn Ridgeways | Independent | Brooklyn, NY | |||
| Lynch | 1886 | Troy Trojans | Hudson River League | Troy, NY | |||
| Jack Lynch | lynch-001jac | 1886 | 51 g. | New York | American Association | New York, NY | |
| Michael Lynch | lynch-010mic | 1886 | 5/6-6/7+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Michael Lynch | lynch-010mic | 1886 | +6/20-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Tom Lynch | lynch-002tom | 1886 | 4/15-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Will Lynch | 1886 | 14 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Will Lynch | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Lyon(s) | 1886 | 10 g. | Kingston | Hudson River League | Kingston, NY | ||
| Denny Lyons | lyons-002den | 1886 | 4/15-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Denny Lyons | lyons-002den | 1886 | 32 g. | Philadelphia | American Association | Philadelphia, PA | |
| Mac MacArthur | macart001mac | 1886 | 5/18-8/17 | Hamilton Clippers | International League | Hamilton, ON | |
| Connie Mack | mack--001con | 1886 | 5/1-9/9 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Connie Mack | mack--001con | 1886 | 9/11- | 10 g. | Washington | National League | Washington, DC |
| Denny Mack | mack--001den | 1886 | -4/23 | 6 g. | MLB Umpire | American Association | , |
| Denny Mack | mack--001den | 1886 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | ||
| Reddy Mack | mack--001red | 1886 | 137 g. | Louisville | American Association | Louisville, KY | |
| Samuel Mack | mack--002sam | 1886 | 8/17-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Gus Mackey | mackey001c-- | 1886 | Athens | Independent | Athens, MI | ||
| Frederick Macklin | mackli001fre | 1886 | 5/8-7/12 | Toronto Canucks | International League | Toronto, ON | |
| Ed Macon | macon-001ed- | 1886 | 5/12-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Jimmy Macullar | macull001jim | 1886 | 85 g. | Baltimore | American Association | Baltimore, MD | |
| Frank Madden | madden003fra | 1886 | Syracuse Stars | International League | Syracuse, NY | ||
| Kid Madden | madden001kid | 1886 | 5/12-10/2 | Portland | New England League | Portland, ME | |
| Frank Madigan | madiga001fra | 1886 | 86 g. | Kingston | Hudson River League | Kingston, NY | |
| William Madigan | madiga001ton | 1886 | 7/10-9/4 | 14 g. | Washington | National League | Washington, DC |
| D. Maginley | 1886 | 17 g. | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | ||
| James Maguire | maguir003jam | 1886 | 8/20 | Brockton | New England League | Brockton, MA | |
| Tom Maguire | maguir001tho | 1886 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Tom Maguire | maguir001tho | 1886 | 2 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Tom Maguire | maguir001tho | 1886 | 2 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Mahan | mahan-001--- | 1886 | Philadelphia Harrowgate | Amat | Philadelphia, PA | ||
| Dan Mahoney | mahone003dan | 1886 | Saratoga | Independent | Saratoga, NY | ||
| Dan Mahoney | mahone003dan | 1886 | Kingston | Hudson River League | Kingston, NY | ||
| George Mallory | mallor002geo | 1886 | 6/4-6/11 | Hamilton Clippers | International League | Hamilton, ON | |
| R. Mallory | mallor001r-- | 1886 | 6/15 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Malloy | malloy011--- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| Malloy | malloy011--- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| J.H. Malloy | malloy002j-- | 1886 | 4/15-5/24 | Macon | Southern Association | Macon, GA | |
| J.H. Malloy | malloy002j-- | 1886 | 6/22-6/30 | Boston Blues | New England League | Boston, MA | |
| Malone | 1886 | 28 g. | Troy Trojans | Hudson River League | Troy, NY | ||
| William Malone | malone008wil | 1886 | York Monarchs | Independent | York, PA | ||
| Bud Manion | manion001m-- | 1886 | Columbia Reds | Independent | Columbia, | ||
| Charlie Manlove | manlov001cha | 1886 | 5/8-6/19 | Umpire | PaSt | , | |
| Charlie Manlove | manlov001cha | 1886 | 6/28-7/6 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Charlie Manlove | manlov001cha | 1886 | 7/14-7/19 | Umpire | PaSt | , | |
| Linc Manlove | manlov001abr | 1886 | 5/8-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Fred Mann | mann--001fre | 1886 | 116 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Jack Manning | mannin001jac | 1886 | 137 g. | Baltimore | American Association | Baltimore, MD | |
| Jim Manning | mannin001jim | 1886 | 26 g. | Detroit | National League | Detroit, MI | |
| Tim Manning | mannin001tim | 1886 | 4/15-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Tim Manning | mannin001tim | 1886 | 7/12-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Tim Manning | mannin001tim | 1886 | 9/14-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| John Mansell | mansel001joh | 1886 | 4/16-4/19 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Mike Mansell | mansel001mik | 1886 | 5/1-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Tom Mansell | mansel001tom | 1886 | 4/27-6/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Tom Mansell | mansel001tom | 1886 | 6/7 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Blake Mapledoram | 1886 | 7/8 | MLB Umpire | National League | , | ||
| George Mappes | mappes001geo | 1886 | 5/10-8/26 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| George Mappes | mappes001geo | 1886 | -10/9 | 6 g. | St. Louis Maroons | National League | St. Louis, MO |
| Marquis | marqui002--- | 1886 | 6/21-8/17 | Mobile | Gulf League | Mobile, AL | |
| Lefty Marr | marr--001lef | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Lefty Marr | marr--001lef | 1886 | 9/7-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Lefty Marr | marr--001lef | 1886 | 10/3- | 8 g. | Cincinnati | American Association | Cincinnati, OH |
| Marsoni | marson002--- | 1886 | 6/20-6/21 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| W.H. Martin | martin002w-- | 1886 | 8/17 | Haverhill | New England League | Haverhill, MA | |
| Leech Maskrey | maskre001lee | 1886 | 5 g. | Louisville | American Association | Louisville, KY | |
| Leech Maskrey | maskre001lee | 1886 | -7/7 | 27 g. | Cincinnati | American Association | Cincinnati, OH |
| Leech Maskrey | maskre001lee | 1886 | +8/18-9/17 | Topeka Capitals | Western League | Topeka, KS | |
| Mason | mason-015--- | 1886 | 8/26 | Memphis Grays | Southern Association | Memphis, TN | |
| Mason | 1886 | 291 ab | Leadville Blues | Western League | Leadville, CO | ||
| Joseph Masran | masran001jos | 1886 | +5/18-9/8 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Joseph Masran | masran001jos | 1886 | +9/14-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| J. Mater | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| Bobby Mathews | mathew001bob | 1886 | 24 g. | Philadelphia | American Association | Philadelphia, PA | |
| C.V. Matteson | mattes001cv- | 1886 | 6/1-6/11 | Augusta Browns | Southern Association | Augusta, GA | |
| Steve Matthias | matthi001ste | 1886 | 4/15-5/4 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Steve Matthias | matthi001ste | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | |
| Mike Mattimore | mattim001mik | 1886 | 5/8-9/2 | Oswego Starchboxes | International League | Oswego, NY | |
| Mike Mattimore | mattim001mik | 1886 | 9/8-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Fred Mauer | brooks001hen | 1886 | 7/24 | 1 g. | New York | American Association | New York, NY |
| Al Maul | maul--001alb | 1886 | 5/19-5/22 | Rochester Maroons | International League | Rochester, NY | |
| Al Maul | maul--001alb | 1886 | 6/14-9/20 | Binghamton Crickets | International League | Binghamton, NY | |
| W. H. Maxwell | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| Ed Mayer | mayer-001ed- | 1886 | 6/7-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Al Mays | mays--001al- | 1886 | 41 g. | New York | American Association | New York, NY | |
| Jimmy McAleer | mcalee001jam | 1886 | 4/15-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Duncan McAndless | mcandl001dun | 1886 | 7/9-7/12 | Boston Blues | New England League | Boston, MA | |
| Duncan McAndless | mcandl001dun | 1886 | 7/23-7/24 | Lawrence | New England League | Lawrence, MA | |
| Thomas McAndries | mcandr003tho | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| Daniel McAuliffe | mcauli001dan | 1886 | 5/8-5/29 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Daniel McAuliffe | mcauli002--- | 1886 | 7/5 | Danville | Pennsylvania State Association | Danville, PA | |
| McBecker | mcbeck001--- | 1886 | 9/23 | Mobile | Gulf League | Mobile, AL | |
| Bill McCabe | mccabe005wil | 1886 | 12 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| John McCabe | mccabe001joh | 1886 | 50 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Harry McCaffery | mccaff001har | 1886 | 7/17 | MLB Umpire | National League | , | |
| Harry McCaffery | mccaff001har | 1886 | 7/31 | Lawrence | New England League | Lawrence, MA | |
| Bill McCaffrey | mccaff001mic | 1886 | 4/27 | Augusta Browns | Southern Association | Augusta, GA | |
| Bill McCaffrey | mccaff004--- | 1886 | 5/12-6/28 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| McCann | 1886 | 27 g. | Troy Trojans | Hudson River League | Troy, NY | ||
| Jack McCann | mccann001jac | 1886 | Zanesville | Independent | Zanesville, OH | ||
| Frank McCarthy | mccart004fra | 1886 | +7/14-9/28 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Tommy McCarthy | mccart001tom | 1886 | 5/1-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Tommy McCarthy | mccart001tom | 1886 | 6/5-9/21 | Brockton | New England League | Brockton, MA | |
| Tommy McCarthy | mccart001tom | 1886 | 8 g. | Philadelphia | National League | Philadelphia, PA | |
| M. McCarty | 1886 | Amoskeag | New Hampshire State League | Manchester, NH | |||
| McCauley | mccaul001--- | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | |
| McCauley | mccaul001--- | 1886 | Washington Nationals | Independent | Washington, DC | ||
| McCauley | mccaul004--- | 1886 | 6/30-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| McCauley | mccaul006--- | 1886 | +7/31+ | Danville | Virginia League | Danville, PA | |
| Al McCauley | mccaul001al- | 1886 | 5/3-5/25 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Jim McCauley | mccaul001jim | 1886 | 11 g. | Brooklyn | American Association | Brooklyn, NY | |
| Bill McClellan | mcclel001bil | 1886 | 141 g. | Brooklyn | American Association | Brooklyn, NY | |
| Robert McClintock | mcclin002wil | 1886 | Denver Mountain Lions | Western League | Denver, CO | ||
| Bill McCloskey | mcclos001bil | 1886 | 5/12-9/18 | Syracuse Stars | International League | Syracuse, NY | |
| John McCloskey | mcclos001joh | 1886 | Arkansas City | ArkSt | Arkansas City, KS | ||
| John McCloskey | mcclos001joh | 1886 | Evansville | Independent | Evansville, IN | ||
| Broderick McClung | 1886 | no g. | Chattanooga Lookouts | Southern Association | Chattanooga, TN | ||
| Pleasant McClung | mcclun001ple | 1886 | 4/16-7/8 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| J. McCord | 1886 | 3 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Tom McCord | mccord001tom | 1886 | 21 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Mac McCormack | mccorm001mac | 1886 | 5/8-6/12 | Binghamton Crickets | International League | Binghamton, NY | |
| Jerry McCormick | mccorm001jer | 1886 | 5/1-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Jerry McCormick | mccorm001jer | 1886 | 7/13-10/2 | Boston Blues | New England League | Boston, MA | |
| Jim McCormick | mccorm001jim | 1886 | 42 g. | Chicago | National League | Chicago, IL | |
| Art McCoy | mccoy-001art | 1886 | 5/11-5/21 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Art McCoy | mccoy-001art | 1886 | 6/24-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Thomas Mccoy | mccoy-001tho | 1886 | 5/18 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Robert McCracken | mccrac001rob | 1886 | +6/4-6/12+ | Lynchburg | Independent | Lynchburg, VA | |
| Robert McCracken | mccrac001rob | 1886 | 6/21-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Robert McCracken | mccrac001rob | 1886 | Philadelphia Kensington | Amat | Philadelphia, PA | ||
| Tommy McCullum | mccull001tho | 1886 | 5/8-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Michael McDermott | mcderm003mic | 1886 | 31 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Michael McDermott | mcderm003mic | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Sandy McDermott | mcderm001san | 1886 | 16 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Tom McDermott | mcderm003tho | 1886 | 54 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| McDonald | mcdona003--- | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | ||
| Jim McDonald | mcdona003jim | 1886 | 22 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Jim McDonald | mcdona003jim | 1886 | no g. | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Patsy McDonald | mcdona002pat | 1886 | 4/15-4/21 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Patsy McDonald | mcdona002pat | 1886 | 5/14-5/17 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Patsy McDonald | mcdona002pat | 1886 | 5/26-6/14 | Buffalo Bisons | International League | Buffalo, NY | |
| Patsy McDonald | mcdona002pat | 1886 | 6/23-6/26 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| McDonough | mcdono006--- | 1886 | 4/25- | Robert E. Lee's | Gulf League | New Orleans, LA | |
| McDonough | mcdono006--- | 1886 | 6/20-10/26 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| McDonough | mcdono008--- | 1886 | 10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Jim McElroy | mcelro001jim | 1886 | no g. | Memphis Grays | Southern Association | Memphis, TN | |
| Jim McElroy | mcelro001--- | 1886 | +7/10+ | Topeka Capitals | Western League | Topeka, KS | |
| Chippy McGarr | mcgarr001chi | 1886 | 5/1-7/17 | Haverhill | New England League | Haverhill, MA | |
| Chippy McGarr | mcgarr001chi | 1886 | 71 g. | Philadelphia | American Association | Philadelphia, PA | |
| Jack McGeachey | mcgeac001jac | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| Jack McGeachey | mcgeac001jac | 1886 | 6/2 | Providence Grays | Eastern League | Providence, RI | |
| Jack McGeachey | mcgeac001jac | 1886 | 6/17- | 6 g. | Detroit | National League | Detroit, MI |
| Jack McGeachey | mcgeac001jac | 1886 | 59 g. | St. Louis Maroons | National League | St. Louis, MO | |
| McGee | 1886 | 2 g. | San Francisco Star | California League | San Francisco, CA | ||
| Dennis McGinley | mcginl001den | 1886 | 5/6-5/19+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Dennis McGinley | mcginl001den | 1886 | Keokuk | Independent | Keokuk, IA | ||
| N. McGinley | mcginl001n-- | 1886 | 5/6-7/4+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Jumbo McGinnis | mcginn001jum | 1886 | 10 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Jumbo McGinnis | mcginn001jum | 1886 | 26 g. | Baltimore | American Association | Baltimore, MD | |
| John McGlone | mcglon001joh | 1886 | 5/8-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| John McGlone | mcglon001joh | 1886 | 10/7- | 4 g. | Washington | National League | Washington, DC |
| John McGough | mcgoug001joh | 1886 | 6/25 | Boston Blues | New England League | Boston, MA | |
| Pat McGra | 1886 | Lowville | Independent | Lowville, NY | |||
| McGrath | mcgrat006--- | 1886 | 7/21-7/22 | Lawrence | New England League | Lawrence, MA | |
| Pat McGraw | mcgra-001pat | 1886 | Lowville | Independent | Lowville, NY | ||
| Joe McGuckin | mcguck001joe | 1886 | 5/8-5/27 | Oswego Starchboxes | International League | Oswego, NY | |
| Joe McGuckin | mcguck001joe | 1886 | 6/2-7/10 | Hamilton Clippers | International League | Hamilton, ON | |
| Joe McGuckin | mcguck001joe | 1886 | 46 g. | Toronto Canucks | International League | Toronto, ON | |
| Deacon McGuire | mcguir006jam | 1886 | 50 g. | Philadelphia | National League | Philadelphia, PA | |
| Thomas McGuirk | mcguir004tho | 1886 | 44 g. | Newburgh | Hudson River League | Newburgh, NY | |
| Bill McGunnigle | mcgunn001bil | 1886 | 5/1-7/25 | Brockton | New England League | Brockton, MA | |
| Bill McGunnigle | mcgunn001bil | 1886 | 9/8-9/25 | Haverhill | New England League | Haverhill, MA | |
| McHargan | mcharg001--- | 1886 | +7/16+ | Denver Mountain Lions | Western League | Denver, CO | |
| Ed McKean | mckean001edw | 1886 | 5/1-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Ed McKean | mckean001edw | 1886 | 6/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| John McKee | mckee-005joh | 1886 | 5/10 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| John McKee | mckee-005joh | 1886 | 5/11-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Jim McKeever | mckeev001jim | 1886 | 5/1-9/29 | Haverhill | New England League | Haverhill, MA | |
| Russ McKelvy | mckelv001rus | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | |
| Ed McKenna | mckenn001ed- | 1886 | +7/19-8/14 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Thomas McKenna | mckenn002tho | 1886 | 9/25 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Fred McKenzie/Kin | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Larry McKeon | mckeon001lar | 1886 | 19 g. | Cincinnati | American Association | Cincinnati, OH | |
| Larry McKeon | mckeon001lar | 1886 | 3 g. | Kansas City | National League | Kansas City, MO | |
| Dave McKeough | mckeou001dav | 1886 | 5/11-9/25 | Utica Pent Ups | International League | Utica, NY | |
| George McKeough | mckeou001geo | 1886 | 6/1 | Oswego Starchboxes | International League | Oswego, NY | |
| Theodore McKim | mckim-001the | 1886 | -7/? | St. Joseph Reds | Western League | St. Joseph, MO | |
| James McKinley | mckinl001jam | 1886 | 5/1-9/9 | Portland | New England League | Portland, ME | |
| James McKinley | mckinl001jam | 1886 | 9/10-9/25 | Toronto Canucks | International League | Toronto, ON | |
| Alex McKinnon | mckinn001ale | 1886 | 122 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Barney McLaughlin | mclaug001bar | 1886 | 5/1-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Frank McLaughlin | mclaug001fra | 1886 | 5/1-6/19 | Boston Blues | New England League | Boston, MA | |
| Jim McLaughlin | mclaug001jim | 1886 | 5/20-6/12 | Binghamton Crickets | International League | Binghamton, NY | |
| Joe Mclaughlin | mclaug003joe | 1886 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Tom McLaughlin | mclaug001tom | 1886 | 74 g. | New York | American Association | New York, NY | |
| William McLaughlin | mclaug002wil | 1886 | 4/17-4/27 | Savannah | Southern Association | Savannah, GA | |
| William McLaughlin | mclaug002wil | 1886 | 6/16-6/22 | Boston Blues | New England League | Boston, MA | |
| William McLaughlin | mclaug002wil | 1886 | 28 g. | Sacramento | California League | Sacramento, CA | |
| McManus | 1886 | Rutland | Independent | Rutland, VT | |||
| George McMillan | mcmill001geo | 1886 | 5/8-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| George McMillan | mcmill003geo | 1886 | Univ. of Michigan | College | , | ||
| George McMillan | mcmill003geo | 1886 | +7/19-8/8+ | Denver Mountain Lions | Western League | Denver, CO | |
| James McMullin | mcmull001geo | 1886 | 17 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| James McMullin | mcmull001geo | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| McNally | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Bid McPhee | mcphee001bid | 1886 | 140 g. | Cincinnati | American Association | Cincinnati, OH | |
| Jack McQuaid | mcquai001jac | 1886 | 4/15-8/14 | Umpire | So | , | |
| Jack McQuaid | mcquai001jac | 1886 | Umpire | West | , | ||
| Mox McQuery | mcquer001mox | 1886 | 122 g. | Kansas City | National League | Kansas City, MO | |
| Pete McShannic | mcshan001pet | 1886 | no g. | Rochester Maroons | International League | Rochester, NY | |
| Pete McShannic | mcshan001pet | 1886 | 6/26-7/7 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Pete McShannic | mcshan001pet | 1886 | +9/21-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Trick McSorley | mcsorl001tri | 1886 | -5/6 | 5 g. | St. Louis Browns | American Association | St. Louis, MO |
| Trick McSorley | mcsorl001tri | 1886 | 6/5-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Jim McTamany | mctama001jim | 1886 | 111 g. | Brooklyn | American Association | Brooklyn, NY | |
| Cal McVey | mcvey-001cal | 1886 | 4 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Cal McVey | mcvey-001cal | 1886 | San Diego Hamiltons | Independent | San Diego, CA | ||
| George McVey | mcvey-001geo | 1886 | 4/16-5/18 | Nashville Americans | Southern Association | Nashville, TN | |
| George McVey | mcvey-001geo | 1886 | 5/22-8/13 | Charleston Seagulls | Southern Association | Charleston, SC | |
| George McVey | mcvey-001geo | 1886 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | ||
| J. D. McWalters | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| Tom Meagher | meaghe001tom | 1886 | 29 g. | Sacramento | California League | Sacramento, CA | |
| Richard Meaney | meaney001ric | 1886 | 5/12 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Thomas Meara | meara-001tho | 1886 | 53 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Pete Meegan | meegan001pet | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | |
| Pete Meegan | meegan001pet | 1886 | 9 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Pete Meegan | meegan001pet | 1886 | 16 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Augustus Meehan | meehan001aug | 1886 | 5/15 | Syracuse Stars | International League | Syracuse, NY | |
| Frank Meinke | meinke001fra | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| Chris Meisel | meisel001chr | 1886 | Grounds-Newa. | East | , | ||
| George Meister | meiste001geo | 1886 | 5/1-9/10 | Brockton | New England League | Brockton, MA | |
| John Meister | meiste002joh | 1886 | 5/1-8/21 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| John Meister | meiste002joh | 1886 | 8/24- | 45 g. | New York | American Association | New York, NY |
| Melias | melias001--- | 1886 | 10/3-10/4 | New Orleans | Gulf League | New Orleans, LA | |
| William Mellon | mellon001wil | 1886 | 5/1-7/3 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Mercer | 1886 | Bellevue Col. | College | , | |||
| Fred Merritt | merrit001fre | 1886 | 5/4-5/6 | Memphis Grays | Southern Association | Memphis, TN | |
| Fred Merritt | merrit001fre | 1886 | 7/3-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Fred Merritt | merrit001fre | 1886 | 7/19-9/4 | Umpire | So | , | |
| Jack Messitt | messit001jac | 1886 | Oneida | Independent | Oneida, NY | ||
| Meyers | 1886 | 25 g. | Saratoga | Hudson River League | Saratoga, NY | ||
| Meyers | 1886 | Kingston | Hudson River League | Kingston, NY | |||
| Lou Meyers | meyers001lou | 1886 | 5/15-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Billy Miles | miles-002bil | 1886 | 5/12-5/15+ | Topeka Capitals | Western League | Topeka, KS | |
| Billy Miller | miller004bil | 1886 | 8/29 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Cyclone Miller | miller001cyc | 1886 | 4/15-7/31 | Macon | Southern Association | Macon, GA | |
| Cyclone Miller | miller001cyc | 1886 | -10/14 | 21 g. | Philadelphia | American Association | Philadelphia, PA |
| Frederick Miller | miller006fre | 1886 | Youngstown | Independent | Youngstown, OH | ||
| George Miller | miller005geo | 1886 | 83 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Joe Miller | miller005joe | 1886 | 4/15-9/4 | Savannah | Southern Association | Savannah, GA | |
| Joseph Miller | miller012jos | 1886 | 5/22-6/21 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Scott Miller | miller004sco | 1886 | 5/8-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Wally Miller | miller008wal | 1886 | 55 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Millett | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | ||
| John Milligan | millig001joc | 1886 | 75 g. | Philadelphia | American Association | Philadelphia, PA | |
| Jack Millman | millma001jac | 1886 | Philadelphia Shibe | Independent | Philadelphia, PA | ||
| William Millon | millon002wil | 1886 | Waterbury Brassmen | Eastern League | Waterbury, CT | ||
| Mills | mills-026--- | 1886 | 5/14-5/21 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Lynn Mills | mills-001lyn | 1886 | Lake Mills | Independent | Lake Mills, WI | ||
| Lynn Mills | mills-001lyn | 1886 | ?6/ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Lynn Mills | mills-001lyn | 1886 | +7/29-8/26 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Milton | milton003--- | 1886 | +7/9-7/18+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Charles Mitchell | mitche008cha | 1886 | Lynchburg | Independent | Lynchburg, VA | ||
| Charles Mitchell | mitche008cha | 1886 | 6/21-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Frank Mitchell | 1886 | no g. | Atlanta Atlantas | Southern Association | Atlanta, GA | ||
| Joe Moffet | moffet001joe | 1886 | Wheeling | Independent | Wheeling, WV | ||
| George Mold | mold--001geo | 1886 | Alton | Independent | Alton, IL | ||
| Monahan | monaha003--- | 1886 | 9/4-9/10 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Vic Monet | monet-001vic | 1886 | 4 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Frank Monroe | monroe002fra | 1886 | Los Angeles | Calif | Los Angeles, CA | ||
| Kid Monroe | monroe001dan | 1886 | Waterbury Brewster | Independent | Waterbury, CT | ||
| Montague | montag002--- | 1886 | +7/19+ | Norfolk | Virginia League | Norfolk, VA | |
| Hiram Montel | montel001hir | 1886 | 14 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Heber Montgomery | 1886 | Philadelphia Poweltons | Independent | Philadelphia, PA | |||
| George Moolic | moolic001geo | 1886 | 5/1-9/7 | 16 g. | Chicago | National League | Chicago, IL |
| Joseph Mooney | 1886 | no g. | Troy Trojans | Hudson River League | Troy, NY | ||
| Moore | moore-124--- | 1886 | 8/5-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| Moore | 1886 | Swantons | Independent | , | |||
| Alfred Moore | moore-001alf | 1886 | 8/6-9/18 | Lawrence | New England League | Lawrence, MA | |
| Colorado Moore | 1886 | Richmond Henleys | Independent | Richmond, IN | |||
| Fred Moore | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Henry Moore | moore-004hen | 1886 | 4/15-6/16 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Henry Moore | moore-004hen | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | |
| Henry Moore | moore-004hen | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Henry Moore | moore-004hen | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Henry Moore | moore-124--- | 1886 | Topeka Capitals | Western League | Topeka, KS | ||
| Jerry Moore | moore-005jer | 1886 | 7/31 | Rochester Maroons | International League | Rochester, NY | |
| Andrew Moran | moran-001and | 1886 | 7/22-7/26 | Lawrence | New England League | Lawrence, MA | |
| D. Moran | 1886 | Oakland Greenhood & Morans | California League | Oakland, CA | |||
| D. Moran | 1886 | San Francisco Haverlys | California League | San Francisco, CA | |||
| Eddie Moran | moran-001edd | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Eddie Moran | moran-001edd | 1886 | 5 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Eddie Moran | moran-001edd | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| D.W. Morgan | morgan002d-- | 1886 | Leadville Blues | Western League | Leadville, CO | ||
| Henry W.? Morgan | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | ||
| Gene Moriarty | moriar001gen | 1886 | 4/15-9/4 | Savannah | Southern Association | Savannah, GA | |
| Gene Moriarty | moriar001gen | 1886 | 9/9-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| John Moriarty | moriar001joh | 1886 | 4/15-9/4 | Savannah | Southern Association | Savannah, GA | |
| Morlock | 1886 | 4 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| John Morrill | morril003joh | 1886 | 117 g. | Boston | National League | Boston, MA | |
| Ed Morris | morris002ed- | 1886 | 3 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Ed Morris | morris002ed- | 1886 | 64 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Morrison | morris078--- | 1886 | +5/22-6/20+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Morrison | morris066--- | 1886 | 8/10-8/11 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Hank Morrison | morris001han | 1886 | 7/22 | Lawrence | New England League | Lawrence, MA | |
| J.W. Morrison | morris006j-- | 1886 | 7/17-7/28 | Binghamton Crickets | International League | Binghamton, NY | |
| Jack Morrison | morris002jac | 1886 | 5/18-9/20 | Hamilton Clippers | International League | Hamilton, ON | |
| Jon Morrison | morris002jon | 1886 | 5/8-9/25 | Toronto Canucks | International League | Toronto, ON | |
| Mike Morrison | morris001mik | 1886 | 5/18-9/20 | Hamilton Clippers | International League | Hamilton, ON | |
| Thomas Morrison | morris004tho | 1886 | 5/1-8/3 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Tom Morrissey | morris003tom | 1886 | 5/8-8/10 | Oswego Starchboxes | International League | Oswego, NY | |
| Tom Morrissey | morris003tom | 1886 | 8/26-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Charlie Morton | morton002cha | 1886 | 4/15-6/11 | Savannah | Southern Association | Savannah, GA | |
| Charlie Morton | morton002cha | 1886 | -6/21 | 8 g. | MLB Umpire | American Association | , |
| Sparrow Morton | morton001spa | 1886 | 6/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| William Motz | motz--002wil | 1886 | Topeka Capitals | Western League | Topeka, KS | ||
| Frank Mountain | mounta002fra | 1886 | 18 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Bill Mountjoy | mountj001bil | 1886 | +7/11-9/18 | Denver Mountain Lions | Western League | Denver, CO | |
| Moylan | moylan001--- | 1886 | 5/9- | New Orleans | Independent | New Orleans, LA | |
| Moylan | moylan001--- | 1886 | 6/21-7/4 | New Orleans | Gulf League | New Orleans, LA | |
| Mike Moynahan | moynah001mik | 1886 | 5/11-6/11 | Utica Pent Ups | International League | Utica, NY | |
| Patrick Mulderig | mulder001pat | 1886 | Scranton Lackawanna | Amat | Scranton, PA | ||
| Patrick Mulderig | mulder001pat | 1886 | 7/23-8/2 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Mike Muldoon | muldoo001mik | 1886 | 101 g. | Baltimore | American Association | Baltimore, MD | |
| Dan Mulholland | mulhol001dan | 1886 | 55 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Tony Mullane | mullan001ton | 1886 | 91 g. | Cincinnati | American Association | Cincinnati, OH | |
| Jim Mullee | mullee001jam | 1886 | 5 g. | San Francisco Star | California League | San Francisco, CA | |
| Jim Mullee | mullee001jam | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Jim Mullee | mullee001jam | 1886 | 6 g. | Stockton | California State League | Stockton, CA | |
| Thomas Mullee | mullee001tho | 1886 | 5 g. | San Francisco Star | California League | San Francisco, CA | |
| Michael Mullen | mullen004mic | 1886 | Nashua | New Hampshire State League | Nashua, NH | ||
| Michael Mullen | mullen004mic | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Muller | muller002--- | 1886 | 8/8 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Ed. Mulligan | mullig001ed- | 1886 | 10/1-10/2 | Brockton | New England League | Brockton, MA | |
| Luke Mulligan | mullig004--- | 1886 | Randolphs | Independent | , | ||
| Alex. Mullin | 1886 | Philadelphia Patton | Amat | Philadelphia, PA | |||
| Henry Mullin | mullin001hen | 1886 | 5/1-6/29 | Boston Blues | New England League | Boston, MA | |
| Joe Mulvey | mulvey001joe | 1886 | 107 g. | Philadelphia | National League | Philadelphia, PA | |
| John Munce | munce-001joh | 1886 | 5/1-9/30 | Haverhill | New England League | Haverhill, MA | |
| George Mundinger | mundin001geo | 1886 | Robert E. Lee's | Gulf League | New Orleans, LA | ||
| George Mundinger | mundin001geo | 1886 | Grenada | Independent | Grenada, | ||
| George Mundinger | mundin001geo | 1886 | 7/18-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| John Munyan | munyan001joh | 1886 | 5/11-9/18 | Binghamton Crickets | International League | Binghamton, NY | |
| Joe Murdock | murdoc002joe | 1886 | 19 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Tim Murnane | murnan001tim | 1886 | 5/1-6/30 | Boston Blues | New England League | Boston, MA | |
| Tim Murnane | murnan001tim | 1886 | MLB Umpire | National League | , | ||
| Murphy | murphy046--- | 1886 | 34 g. | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Clarence Murphy | murphy003cla | 1886 | 6/17 | 1 g. | Louisville | American Association | Louisville, KY |
| Con Murphy | murphy001con | 1886 | 5/1-9/30 | Haverhill | New England League | Haverhill, MA | |
| Henry Murphy | murphy001hen | 1886 | Robert E. Lee's | Gulf League | New Orleans, LA | ||
| Henry Murphy | murphy001hen | 1886 | 6/20-9/23 | Mobile | Gulf League | Mobile, AL | |
| J. Murphy | 1886 | Scranton Athletic | Amat | Scranton, PA | |||
| Joe Murphy | murphy003joe | 1886 | 4/28- | 5 g. | Cincinnati | American Association | Cincinnati, OH |
| Joe Murphy | murphy003joe | 1886 | 4 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Joe Murphy | murphy003joe | 1886 | 1 g. | St. Louis Browns | American Association | St. Louis, MO | |
| John Murphy | murphy017joh | 1886 | 5/3-6/8 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| John Murphy | murphy017joh | 1886 | Harrisburg | Independent | Harrisburg, PA | ||
| John Murphy | murphy017joh | 1886 | 7/31-8/11 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| John Murphy | murphy028joh | 1886 | Louisville | Louisville, KY | |||
| Morgan Murphy | murphy001mor | 1886 | 5/4-10/2 | Boston Blues | New England League | Boston, MA | |
| Morgan Murphy | murphy001mor | 1886 | 9/15 | MLB Umpire | National League | , | |
| P.L. Murphy | murphy002p-- | 1886 | 5/1-5/29 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Pat Murphy | murphy007pat | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Patrick Murphy | murphy008pat | 1886 | 6/4 | Rochester Maroons | International League | Rochester, NY | |
| Tony Murphy | murphy001ton | 1886 | 5/1- | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Tony Murphy | murphy001ton | 1886 | -10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Will Murphy | murphy018wil | 1886 | 49 g. | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Willie Murphy | murphy013wil | 1886 | 5/1-7/5 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Willie Murphy | murphy013wil | 1886 | 7/13-10/2 | Boston Blues | New England League | Boston, MA | |
| Murray | murray020--- | 1886 | 5/1 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Billy Murray | murray007wil | 1886 | 5/8-5/15 | Buffalo Bisons | International League | Buffalo, NY | |
| Harry Murray | 1886 | no g. | Hamilton Clippers | International League | Hamilton, ON | ||
| Miah Murray | murray001mia | 1886 | 5/8-5/31 | Rochester Maroons | International League | Rochester, NY | |
| Miah Murray | murray001mia | 1886 | 8/24-9/30 | Haverhill | New England League | Haverhill, MA | |
| Thomas Murray | murray007tho | 1886 | 4/15-5/27 | Savannah | Southern Association | Savannah, GA | |
| Thomas Murray | murray007tho | 1886 | +7/14-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Murth | murth-001--- | 1886 | 10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Jim Mutrie | mutrie001jam | 1886 | New York | National League | New York, NY | ||
| Al Myers | myers-001al- | 1886 | 118 g. | Kansas City | National League | Kansas City, MO | |
| George Myers | myers-002geo | 1886 | 79 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Henry Myers | myers-004hen | 1886 | no g. | Rochester Maroons | International League | Rochester, NY | |
| Tom Nagle | nagle-001tom | 1886 | 5/6-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Billy Nash | nash--001bil | 1886 | 109 g. | Boston | National League | Boston, MA | |
| Sandy Nava | nava--001san | 1886 | 2 g. | Baltimore | American Association | Baltimore, MD | |
| Joe Neale | neale-001joe | 1886 | 4/16-5/1? | Savannah | Southern Association | Savannah, GA | |
| Joe Neale | neale-001joe | 1886 | 6/21- | 2 g. | Louisville | American Association | Louisville, KY |
| George Nellins | 1886 | Philadelphia Riverton | Amat | Philadelphia, PA | |||
| Bill Nelson | nelson001bil | 1886 | +7/4-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Candy Nelson | nelson001can | 1886 | 109 g. | New York | American Association | New York, NY | |
| George Nettleton | nettle001g-- | 1886 | +7/14+ | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| George Nettleton | nettle001g-- | 1886 | , | ||||
| Billy Newbert | newber001bil | 1886 | 16 g. | Sacramento | California League | Sacramento, CA | |
| Frank Nicholas | nichol002fra | 1886 | no g. | Lawrence | New England League | Lawrence, MA | |
| F. H. Nichols | 1886 | Manchester | New Hampshire State League | Manchester, NH | |||
| Kid Nichols | nichol006cha | 1886 | Kansas City Blues | Independent | Kansas City, MO | ||
| Tricky Nichols | nichol001tri | 1886 | 5/5-7/10 | Brockton | New England League | Brockton, MA | |
| Joseph Nicholson | nichol007j-- | 1886 | Kalamazoo | Kalamazoo, MI | |||
| Hugh Nicol | nicol-001hug | 1886 | 67 g. | St. Louis Browns | American Association | St. Louis, MO | |
| John Nightingale | nighti001joh | 1886 | 7/5+ | Richmond | Virginia League | Richmond, VA | |
| Harry Nolan | nolan-002har | 1886 | 1 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| The Only Nolan | nolan-001the | 1886 | 4/23-6/8 | Savannah | Southern Association | Savannah, GA | |
| The Only Nolan | nolan-001the | 1886 | 8/14-9/10 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Norwood | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Nowlin | 1886 | Lynchburg | Independent | Lynchburg, VA | |||
| Nowlin | 1886 | 8/11 | Lynchburg | Virginia League | Lynchburg, VA | ||
| George Nulton | nulton001geo | 1886 | 57 ab | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| William Nusz | nusz--001emo | 1886 | Frederick | Independent | Frederick, MD | ||
| Fred Nyce | nyce--001fre | 1886 | 37 g. | Newburgh | Hudson River League | Newburgh, NY | |
| O'Brien | obrien043--- | 1886 | 8/23 | Brockton | New England League | Brockton, MA | |
| O'Brien | 1886 | 7/2-8/1 | Hartford Dark Blues | Eastern League | Hartford, CT | ||
| Billy O'Brien | obrien001bil | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Billy O'Brien | obrien001bil | 1886 | 9/15-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Darby O'Brien | obrien002dar | 1886 | Sioux City | Independent | Sioux City, IA | ||
| Darby O'Brien | obrien002dar | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| George O'Brien | obrien005geo | 1886 | +5/22-5/28+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| George O'Brien | obrien005geo | 1886 | 9/8-9/12 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Jack O'Brien | obrien002jac | 1886 | 105 g. | Philadelphia | American Association | Philadelphia, PA | |
| Jack O'Brien | obrien003jac | 1886 | 4/15-7/5 | Augusta Browns | Southern Association | Augusta, GA | |
| James O'Brien | obrien010jam | 1886 | 5/1- | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| James O'Brien | obrien010jam | 1886 | -9/22 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Jerry O'Brien | obrien001jer | 1886 | Norwich | CNY | Norwich, NY | ||
| Joe O'Brien | obrien002joe | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | |
| Joe O'Brien | obrien002joe | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| Pete O'Brien | obrien003pet | 1886 | Chicago Whitings | ChicCity | Chicago, IL | ||
| T. O'Brien | 1886 | Manchester | New Hampshire State League | Manchester, NH | |||
| T. O. O'Brien | 1886 | 1 g. | Oakland Greenhood & Morans | California League | Oakland, CA | ||
| T. O. O'Brien | 1886 | 1 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | ||
| Thomas O'Brien | obrien013tho | 1886 | 5/6-6/7 | Providence Grays | Eastern League | Providence, RI | |
| Tom O'Brien | obrien001tom | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Pat O'Connell | oconne002pat | 1886 | 5/1-7/12 | Lawrence | New England League | Lawrence, MA | |
| Pat O'Connell | oconne002pat | 1886 | 7/22-9/9 | 42 g. | Baltimore | American Association | Baltimore, MD |
| Pat O'Connell | oconne002pat | 1886 | 9/21-10/2 | Portland | New England League | Portland, ME | |
| O'Connor | oconno022--- | 1886 | 10/17-10/31 | Mobile | Gulf League | Mobile, AL | |
| Jack O'Connor | oconno006joh | 1886 | St. Louis Shamrocks | Independent | St. Louis, MO | ||
| Jack O'Connor | oconno006joh | 1886 | +7/9-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| O'Day | oday--003--- | 1886 | +5/18-5/27+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| O'Day | oday--008--- | 1886 | +7/22+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Hank O'Day | oday--001han | 1886 | 6 g. | Washington | National League | Washington, DC | |
| Hank O'Day | oday--001han | 1886 | 5/17-8/28 | Savannah | Southern Association | Savannah, GA | |
| Harry O'Day | oday--001har | 1886 | 1 g. | San Francisco Star | California League | San Francisco, CA | |
| Harry O'Day | oday--001har | 1886 | 14 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Harry O'Day | oday--001har | 1886 | 2 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| O'Donnell | 1886 | 11 g. | Saratoga | Hudson River League | Saratoga, NY | ||
| O'Donnell | odonne001--- | 1886 | +5/18+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Charles O'Donnell | odonne001cha | 1886 | 6/8-6/22 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Thomas O'Donnell | odonne004tho | 1886 | -6/ | Lynchburg | Independent | Lynchburg, VA | |
| Thomas O'Donnell | odonne004tho | 1886 | 7/16-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| William O'Donnell | odonne004wil | 1886 | St. Joseph Reds | Western League | St. Joseph, MO | ||
| William O'Donnell | odonne004wil | 1886 | 5/9 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| O'Hara | 1886 | 3 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| O'Hare | ohare-002--- | 1886 | 9/12-9/23 | Mobile | Gulf League | Mobile, AL | |
| O'Hern | ohern-001--- | 1886 | +5/28+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Dan O'Leary | oleary002dan | 1886 | 4/28-5/ | Elmira | Independent | Elmira, NY | |
| Dan O'Leary | oleary002dan | 1886 | 5/10-8/4 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Dan O'Leary | oleary004dan | 1886 | 4/15-8/16 | Memphis Grays | Southern Association | Memphis, TN | |
| Dan O'Neil | oneill003dan | 1886 | Umpire | East | , | ||
| Fred O'Neill | oneill001fre | 1886 | 201 ab | Denver Mountain Lions | Western League | Denver, CO | |
| Tip O'Neill | oneill001tip | 1886 | 138 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Tip O'Neill | oneill001nor | 1886 | 4/15-4/22 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Tip O'Neill | oneill001nor | 1886 | Bradford | Independent | Bradford, PA | ||
| O'Reilly | 1886 | 18 g. | Kingston | Hudson River League | Kingston, NY | ||
| O'Rourke | 1886 | 3 g. | Stockton | California State League | Stockton, CA | ||
| Frank O'Rourke | orourk001fra | 1886 | 5/11-5/14 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Frank O'Rourke | orourk001fra | 1886 | 5/18-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Frank O'Rourke | orourk001fra | 1886 | Norfolk | Virginia League | Norfolk, VA | ||
| Frank O'Rourke | orourk001fra | 1886 | 6/18-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Jim O'Rourke | orourk003jam | 1886 | 105 g. | New York | National League | New York, NY | |
| John O'Rourke | orourk005joh | 1886 | 5/11 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Tim O'Rourke | orourk003tim | 1886 | +5/18-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Tom O'Rourke | orourk001tom | 1886 | 5/1-10/2 | Portland | New England League | Portland, ME | |
| Doc Oberlander | oberla001doc | 1886 | 5/8-8/28 | Syracuse Stars | International League | Syracuse, NY | |
| Doc Oberlander | oberla001doc | 1886 | 9/3-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| Dave Oldfield | oldfie001dav | 1886 | 14 g. | Brooklyn | American Association | Brooklyn, NY | |
| Dave Oldfield | oldfie001dav | 1886 | 21 g. | Washington | National League | Washington, DC | |
| Frank Olin | olin--001fra | 1886 | +4/24-5/1+ | Cornell Univ. | College | , | |
| Frank Olin | olin--001fra | 1886 | 6/18-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Henry Ormsbee | ormsbe001hen | 1886 | 5/8-6/16 | Syracuse Stars | International League | Syracuse, NY | |
| Henry Ormsbee | ormsbe001hen | 1886 | 6/17-8/? | Oswego Starchboxes | International League | Oswego, NY | |
| Dave Orr | orr---002dav | 1886 | 136 g. | New York | American Association | New York, NY | |
| Charlie Osterhout | osterh001cha | 1886 | 5/8-9/25 | Toronto Canucks | International League | Toronto, ON | |
| Billy Otterson | otters001bil | 1886 | 5/20-5/25 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| John Owens | owens-005joh | 1886 | 10 g. | Saratoga | Hudson River League | Saratoga, NY | |
| Palles | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | |||
| George Parego | 1886 | +7/21-7/27+ | Cuban Giants | Independent | Cuban, | ||
| Frank Parker | parker004fra | 1886 | 5/12-6/2 | Rochester Maroons | International League | Rochester, NY | |
| Frank Parker | parker004fra | 1886 | 6/15-8/20 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Harry Parker | parker004har | 1886 | 4/15-4/24 | Augusta Browns | Southern Association | Augusta, GA | |
| Harry Parker | parker004har | 1886 | 5/14-5/21 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Harry Parker | parker004har | 1886 | 7/5-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| William? Parks | 1886 | 16 g. | Kingston | Hudson River League | Kingston, NY | ||
| William? Parks | 1886 | Troy Trojans | Hudson River League | Troy, NY | |||
| Charlie Parsons | parson002cha | 1886 | 5/29 - | 2 g. | Boston | National League | Boston, MA |
| Charlie Parsons | parson002cha | 1886 | 6/30-9/24 | Rochester Maroons | International League | Rochester, NY | |
| Partington | partin002--- | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | ||
| Owen Patton | patton001owe | 1886 | 5/1-10/1 | Brockton | New England League | Brockton, MA | |
| Arthur Paulin | 1886 | Manitoba C.P.R. | Independent | Manitoba, BC | |||
| William Paulin | 1886 | Manitoba C.P.R. | Independent | Manitoba, BC | |||
| Elias Peak | peak--001eli | 1886 | 5/3-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Elias Peak | peak--001eli | 1886 | 7/17-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Elias Peak | peak--001eli | 1886 | 8/24-10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| George Pechiney | pechin001geo | 1886 | 41 g. | Cincinnati | American Association | Cincinnati, OH | |
| Peebles | peeble001--- | 1886 | 5/14 | Charleston Seagulls | Southern Association | Charleston, SC | |
| William Peeples | peeple001wil | 1886 | +7/9-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Louis Pelouze | pelouz001lou | 1886 | Detroit | Amateur | Detroit, MI | ||
| Louis Pelouze | pelouz001lou | 1886 | 7/24 | 1 g. | St. Louis Maroons | National League | St. Louis, MO |
| John Peltz | peltz-001joh | 1886 | 4/15-8/26 | Macon | Southern Association | Macon, GA | |
| John Peltz | peltz-001joh | 1886 | 9/5-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Bob Pender | pender001rob | 1886 | 7/22-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| John Pendergrass | pender002joh | 1886 | 5/12-9/22 | Utica Pent Ups | International League | Utica, NY | |
| Jimmy Peoples | people001jim | 1886 | 93 g. | Brooklyn | American Association | Brooklyn, NY | |
| Hip Perrier | perrie001hyp | 1886 | 13 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Emmanuel Perry | perry-001emm | 1886 | 9/14 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| H. Clay Perry | 1886 | Frederick | Independent | Frederick, MD | |||
| Peters | 1886 | 12 g. | Kingston | Hudson River League | Kingston, NY | ||
| Pat Pettee | pettee001pat | 1886 | 5/1-10/2 | Lawrence | New England League | Lawrence, MA | |
| Jack Pettiford | pettif002jac | 1886 | 5/12-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| Bob Pettit | pettit001bob | 1886 | 5/1-10/2 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| J.F. Petty | petty-001j-- | 1886 | 6/20-10/31 | Mobile | Gulf League | Mobile, AL | |
| Fred Pfeffer | pfeffe001fre | 1886 | 118 g. | Chicago | National League | Chicago, IL | |
| Dick Phelan | phelan001dic | 1886 | 4/15-8/30 | Memphis Grays | Southern Association | Memphis, TN | |
| Dick Phelan | phelan001dic | 1886 | 10/3-10/31 | Mobile | Gulf League | Mobile, AL | |
| Bill Phillips | philli001bil | 1886 | 141 g. | Brooklyn | American Association | Brooklyn, NY | |
| Horace Phillips | philli001hor | 1886 | Pittsburgh | American Association | Pittsburgh, PA | ||
| Ira Phillips | philli001ira | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| Marr Phillips | philli003mar | 1886 | 4/15-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Marr Phillips | philli003mar | 1886 | 7/7-9/2 | Charleston Seagulls | Southern Association | Charleston, SC | |
| John Pickett | picket001joh | 1886 | 5/8-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| John Pickett | picket001joh | 1886 | +9/28-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| George Pierce | pierce001mau | 1886 | 4/15-4/17 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Gracie Pierce | pierce001gra | 1886 | Elmira | Independent | Elmira, NY | ||
| Gracie Pierce | pierce001gra | 1886-87 | 8/86- | 80 g. | MLB Umpire | National League | , |
| Andy Piercy | piercy001and | 1886 | 4 g. | San Francisco Star | California League | San Francisco, CA | |
| Andy Piercy | piercy001and | 1886 | 4 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Dave Pierson | pierso002dav | 1886 | Umpire | Int | , | ||
| John Piggott | piggot001joh | 1886 | 5/1-5/14 | Providence Grays | Eastern League | Providence, RI | |
| John Piggott | piggot001joh | 1886 | 5/26-5/29 | Boston Blues | New England League | Boston, MA | |
| Charles Pike | pike--002cha | 1886 | Savannah | Southern Association | Savannah, GA | ||
| George Pinkney | pinkne001geo | 1886 | 141 g. | Brooklyn | American Association | Brooklyn, NY | |
| Pitsch | pitsch001--- | 1886 | 5/12+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Herman Pitz | pitz--001her | 1886 | Umpire | CNY | , | ||
| Mark Polhemus | polhem001mar | 1886 | Nyack | HudRiver | Nyack, NY | ||
| I. Pollard | 1886 | 5+ g. | Saratoga | Hudson River League | Saratoga, NY | ||
| Thomas Pollard | pollar002tho | 1886 | Kingston | Hudson River League | Kingston, NY | ||
| Pommeraux | pommer001--- | 1886 | 7/25-7/26 | New Orleans | Gulf League | New Orleans, LA | |
| Tom Poorman | poorma001tom | 1886 | 88 g. | Boston | National League | Boston, MA | |
| Arthur Pope | pope--001art | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Arthur Pope | pope--001art | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Arthur Pope | pope--001art | 1886 | +6/26-7/16+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Arthur Pope | pope--001art | 1886 | 7/31-8/1+ | Denver Mountain Lions | Western League | Denver, CO | |
| Arthur Pope | pope--001art | 1886 | 8/26-9/5 | Leadville Blues | Western League | Leadville, CO | |
| Charles Pope | pope--002cha | 1886 | 5/6-6/7+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Joseph Popplein | 1886 | Baltimore | Independent | Baltimore, MD | |||
| Andy Porter | porter003and | 1886-87 | Chippawa Falls | Independent | Chippawa, OH | ||
| Henry Porter | porter001hen | 1886 | 48 g. | Brooklyn | American Association | Brooklyn, NY | |
| George Potter | potter001geo | 1886 | 8/20-8/28 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Abner Powell | powell001abn | 1886 | -9/13 | 11 g. | Baltimore | American Association | Baltimore, MD |
| Abner Powell | powell001abn | 1886 | 19 g. | Cincinnati | American Association | Cincinnati, OH | |
| Jim Powell | powell002jim | 1886 | 4/15-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Charles Power | powers002cha | 1886 | Oshkosh | Northwestern League | Oshkosh, WI | ||
| Charles Power | powers002cha | 1886 | New Castle Neshhannock | Independent | New Castle, PA | ||
| Tom Power | power-001tom | 1886 | 31 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Pat Powers | powers001pat | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Phil Powers | powers001phi | 1886 | 49 g. | MLB Umpire | National League | , | |
| Al Pratt | pratt-001al- | 1886-87 | -7/22 | 6 g. | MLB Umpire | National League | , |
| Tom Pratt | pratt-001tom | 1886 | -5/3 | 4 g. | MLB Umpire | National League | , |
| Gomer Price | price-001gom | 1886 | 7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Jules Pujol | pujol-001jul | 1886 | 4/25- | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Jules Pujol | pujol-001jul | 1886 | 6/20-9/6 | Mobile | Gulf League | Mobile, AL | |
| Jules Pujol | pujol-001jul | 1886 | 9/12-10/18 | New Orleans | Gulf League | New Orleans, LA | |
| Blondie Purcell | purcel001blo | 1886 | 4/15-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Blondie Purcell | purcel001blo | 1886 | - 9/16 | 26 g. | Baltimore | American Association | Baltimore, MD |
| Joseph Purcell | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| James Purvis | purvis002jam | 1886 | 37 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Harry Pyle | pyle--001sha | 1886 | 5/3-9/30 | Newark Little Giants | Eastern League | Newark, NJ | |
| James Quarles | quarle001jam | 1886-89 | Wash. & Lee | College | , | ||
| Joe Quest | quest-001joe | 1886 | -7/13 | 42 g. | Philadelphia | American Association | Philadelphia, PA |
| Joe Quest | quest-001joe | 1886 | 8/25- | 40 g. | MLB Umpire | National League | , |
| Quinn | 1886 | 2 g. | Stockton | California State League | Stockton, CA | ||
| Jack Quinn | quinn-001jac | 1886 | 5/1-5/31 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Jack Quinn | quinn-001jac | 1886 | 6/15-6/26 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Joe Quinn | quinn-003jos | 1886 | 75 g. | St. Louis Maroons | National League | St. Louis, MO | |
| M. Quinn | quinn-001m-- | 1886 | 6/8-7/6 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Tom Quinn | quinn-001tom | 1886 | 9/2- | 3 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Marshall Quinton | quinto001mar | 1886 | 6/24 | Rochester Maroons | International League | Rochester, NY | |
| Vincy Quitzow | quitzo001vin | 1886 | 14 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Vincy Quitzow | quitzo001vin | 1886 | 7 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Vincy Quitzow | quitzo001vin | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Old Hoss Radbourn | radbou001old | 1886 | 66 g. | Boston | National League | Boston, MA | |
| John Rademacher | rodema002joh | 1886 | -7/? | Lincoln Tree Planters | Western League | Lincoln, NE | |
| John Rademacher | rodema002joh | 1886 | +7/10+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| John Rademacher | rodema002joh | 1886 | +8/2+ | St. Louis Prickly Ash | Independent | St. Louis, MO | |
| Paul Radford | radfor002pau | 1886 | 122 g. | Kansas City | National League | Kansas City, MO | |
| Jack Rafferty | raffer001joh | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Jack Rafferty | raffer001joh | 1886 | Richmond | Virginia League | Richmond, VA | ||
| John Rainey | rainey001joh | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Toad Ramsey | ramsey001toa | 1886 | 67 g. | Louisville | American Association | Louisville, KY | |
| W. Rathgeber | 1886 | Troy Trojans | Hudson River League | Troy, NY | |||
| Irv Ray | ray---001irv | 1886 | Bangor | Independent | Bangor, ME | ||
| Raycraft | raycra002--- | 1886 | 5/8+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Reardon | reardo009--- | 1886 | 5/19-5/25 | Meriden Silvermen | Eastern League | Meriden, CT | |
| James Reardon | reardo001jam | 1886 | Lowville | Independent | Lowville, NY | ||
| Jeremiah Reardon | reardo001jer | 1886 | 7/17 | 1 g. | St. Louis Maroons | National League | St. Louis, MO |
| Jeremiah Reardon | reardo001jer | 1886 | 8/31 | 1 g. | Cincinnati | American Association | Cincinnati, OH |
| Jimmy Reardon | reardo002jam | 1886 | 4/15-6/24 | Augusta Browns | Southern Association | Augusta, GA | |
| Jimmy Reardon | reardo002jam | 1886 | 7/5-8/5 | Hamilton Clippers | International League | Hamilton, ON | |
| Jimmy Reardon | reardo002jam | 1886 | Belfast | Independent | Belfast, ME | ||
| Rebenac | rebena001--- | 1886 | 4/25-6/19 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Rebenac | rebena001--- | 1886 | 6/20-10/26 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| J. Recasner | 1886 | New Orleans Unions | Independent | New Orleans, LA | |||
| Frank? Reccius | 1886 | Decatur | Independent | Decatur, IL | |||
| John Reccius | recciu001joh | 1886 | 5/1-7/17 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Phil Reccius | recciu002phi | 1886 | 5 g. | Louisville | American Association | Louisville, KY | |
| Michael Redigan | rediga001mic | 1886 | 6/12 | Binghamton Crickets | International League | Binghamton, NY | |
| Lew Redmond | redmon001lew | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Reed | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| Icicle Reeder | reeder001ici | 1886 | 1 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Icicle Reeder | reeder001ici | 1886 | 2 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Icicle Reeder | reeder001ici | 1886 | 9 g. | San Francisco Californias | California State League | San Francisco, CA | |
| John Reeves | reeves003joh | 1886 | +6/19-8/1+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Billy Reid | reid--001bil | 1886 | 5/8-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| John Reidy | reidy-002joh | 1886 | Buffalo Clippers | Independent | Buffalo, NY | ||
| John Reidy | reidy-002joh | 1886 | Bradford | Independent | Bradford, PA | ||
| Charlie Reilly | reilly003cha | 1886 | , | ||||
| Jim Reilly | reilly001joe | 1886 | 5/3-9/30 | Portland | New England League | Portland, ME | |
| John Reilly | reilly004joh | 1886 | 115 g. | Cincinnati | American Association | Cincinnati, OH | |
| Josh Reilly | reilly002wil | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Josh Reilly | reilly002wil | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| T. J. Reilly | 1886 | Nashua | New Hampshire State League | Nashua, NH | |||
| John Reinagle | reinag001joh | 1886 | +6/30-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Charlie Reipschlager | reipsc001cha | 1886 | 65 g. | New York | American Association | New York, NY | |
| Charlie Reising | reisin001cha | 1886 | 5/12-9/3 | Decatur | Independent | Decatur, IL | |
| Charlie Reising | reisin001cha | 1886 | 10/28 | Little Rock | Independent | Little Rock, AR | |
| Reiter | reiter001--- | 1886 | +9/3-9/4+ | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Henry Reitz | reitz-001hen | 1886 | Athletics | Independent | , | ||
| Jack Remsen | remsen001jac | 1886 | 5/1-5/22 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Jack Remsen | remsen001jac | 1886 | 6/9-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Jack Remsen | remsen001jac | 1886 | 7/14-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| William Renaud | renaud001wil | 1886 | 4/25-6/19 | Mobile | Independent | Mobile, AL | |
| William Renaud | renaud001wil | 1886 | 6/21-8/2 | Acid Iron Earths | Gulf League | Mobile, AL | |
| William Renaud | renaud001wil | 1886 | 8/8-9/5 | Mobile | Gulf League | Mobile, AL | |
| William Renfro | renfro001wil | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | |
| Louis Renner | renner001lou | 1886 | Brooklyn Ridgewood | Independent | Brooklyn, NY | ||
| Louis Renner | renner001lou | 1886 | 5/11-9/28 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Charlie Reynolds | reynol006cha | 1886 | +7/9-9/15 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| George Rhue | rhue--001geo | 1886 | +6/26-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Rice | 1886 | Canandaigua | CNY | Canandaigua, NY | |||
| Lacey Rice | rice--001lac | 1886 | Mitchell AcadamySchool | , | |||
| Arthur Richardson | richar001art | 1886 | Constableville | Independent | Constableville, NY | ||
| Arthur Richardson | richar001art | 1886 | Lowville | Independent | Lowville, NY | ||
| Danny Richardson | richar002dan | 1886 | 68 g. | New York | National League | New York, NY | |
| Hardy Richardson | richar001har | 1886 | 125 g. | Detroit | National League | Detroit, MI | |
| Harry Richardson | richar002har | 1886 | 5/13-5/20 | Meriden Silvermen | Eastern League | Meriden, CT | |
| John Richmond | richmo002joh | 1886 | 4/16-7/3 | Charleston Seagulls | Southern Association | Charleston, SC | |
| John Richmond | richmo002joh | 1886 | 7/24-8/18 | Oswego Starchboxes | International League | Oswego, NY | |
| Lee Richmond | richmo001lee | 1886 | -10/4 | 8 g. | Cincinnati | American Association | Cincinnati, OH |
| Philip Ricketts | ricket001phi | 1886 | 4/- | New Orleans | Independent | New Orleans, LA | |
| Philip Ricketts | ricket001phi | 1886 | 6/27-10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Chris Rickley | rickle001chr | 1886 | 5/10-9/24 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Ridley | 1886 | Little Falls | CNY | Little Falls, NY | |||
| A. Ridley | ridley001a-- | 1886 | 5/3-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| R. Rigby | rigby-001r-- | 1886 | 5/8-5/11 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| James Riley | riley-009jam | 1886 | 5/1-6/7 | Boston Blues | New England League | Boston, MA | |
| William Riley | riley-008wil | 1886 | no g. | Augusta Browns | Southern Association | Augusta, GA | |
| William Riley | riley-008wil | 1886 | 5/29-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Frank Ringo | ringo-001fra | 1886 | 15 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Frank Ringo | ringo-001fra | 1886 | 16 g. | Kansas City | National League | Kansas City, MO | |
| Frank Rinn | rinn--002fra | 1886 | Wilmington | Independent | Wilmington, NC | ||
| Frank Rinn | rinn--002fra | 1886 | Danville | Virginia League | Danville, PA | ||
| Dan Riordan | riorda001dan | 1886 | 1 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Tim Riordan | riorda001tim | 1886 | Oneida | CNY | Oneida, NY | ||
| William Rittenhouse | ritten001wil | 1886 | 5/10-8/21 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| William Rittenhouse | ritten001wil | 1886 | 8/28-9/15 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Rittinger | 1886 | 11 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| John Roach | roach-003joh | 1886 | 5/1-5/12 | Long Island A's | Eastern League | Long Island City, NY | |
| John Roach | roach-003joh | 1886 | 6/10-6/19 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| John Robb | 1886 | 10/5 | MLB Umpire | American Association | , | ||
| Roberts | robert020--- | 1886 | 5/6-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| William Roberts | robert018wil | 1886 | 7/9-7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Charley Robertson | robert011cha | 1886 | 33 g. | Sacramento | California League | Sacramento, CA | |
| Charlie Robinson | robins010cha | 1886 | 5/1-5/20 | Providence Grays | Eastern League | Providence, RI | |
| Charlie Robinson | robins010cha | 1886 | 6/1-6/2 | Oswego Starchboxes | International League | Oswego, NY | |
| Charlie Robinson | robins010cha | 1886 | 6/21-8/3 | Brockton | New England League | Brockton, MA | |
| Richmond Robinson | 1886 | Cuban Giants | Independent | Cuban, | |||
| Richmond Robinson | 1886 | New York Gorhams | Independent | New York, NY | |||
| Thomas Robinson | 1886 | 5/16-11/28 | Oakland Greenhood & Morans | California League | Oakland, CA | ||
| Tom P.? Robinson | 1886 | 1 g. | Oakland Greenhood & Morans | California League | Oakland, CA | ||
| Wilbert Robinson | robins001wil | 1886 | 4/19 - | 87 g. | Philadelphia | American Association | Philadelphia, PA |
| William Robinson | robins001yan | 1886 | 133 g. | St. Louis Browns | American Association | St. Louis, MO | |
| William Roche | roche-003wil | 1886 | 5/6-9/30 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Billy Rockwell | rockwe001elm | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | |
| Rogers | rogers037--- | 1886 | 7/2 | Boston Blues | New England League | Boston, MA | |
| Emmett Rogers | rogers002emm | 1886 | Hot Springs | Independent | Hot Springs, AR | ||
| Pat Rollins | rollin001hen | 1886 | +6/3-6/5+ | Lynchburg | Independent | Lynchburg, VA | |
| Pat Rollins | rollin001hen | 1886 | 6/21-8/11 | Lynchburg | Virginia League | Lynchburg, VA | |
| Pat Rollins | rollin001hen | 1886 | 8/21-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| George Rooks | rooks-001geo | 1886 | 5/6-7/11 | Oshkosh | Northwestern League | Oshkosh, WI | |
| George Rooks | rooks-001geo | 1886 | +8/26-9/16+ | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Peter Rooney | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| S. Rooney | 1886 | 1 g. | San Francisco Star | California League | San Francisco, CA | ||
| James Roseman | rosema001chi | 1886 | 134 g. | New York | American Association | New York, NY | |
| Rosenthal | 1886 | +6/26-7/19+ | Norfolk | Virginia League | Norfolk, VA | ||
| Alex Ross | ross--001ale | 1886 | Woodstock | WOntario | Woodstock, ON | ||
| Roulton | 1886 | +7/19+ | Norfolk | Virginia League | Norfolk, VA | ||
| Billy Rourke | rourke001wil | 1886 | no g. | Charleston Seagulls | Southern Association | Charleston, SC | |
| Billy Rourke | rourke001wil | 1886 | 5/8-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Elmer Roussey | rousse002elm | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | |
| Elmer Roussey | rousse002elm | 1886 | +6/25-8/9 | Petersburg | Virginia League | Petersburg, VA | |
| Elmer Roussey | rousse002elm | 1886 | Fredericksburg | Independent | Fredericksburg, MD | ||
| Phil Routcliffe | routcl001phi | 1886 | Little Falls | CNY | Little Falls, NY | ||
| Dave Rowe | rowe--001dav | 1886 | 105 g. | Kansas City | National League | Kansas City, MO | |
| Jack Rowe | rowe--001jac | 1886 | 111 g. | Detroit | National League | Detroit, MI | |
| Jim Roxburgh | roxbur001jim | 1886 | 5/11-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| John Rudderham | rudder001joh | 1886 | Bangor | Independent | Bangor, ME | ||
| Louis Ruedlett | 1886 | Concord | New Hampshire State League | Concord, NH | |||
| J. Russell | russel003j-- | 1886 | Kansas City | Independent | Kansas City, MO | ||
| William Russell | russel006wil | 1886 | 4/25- | Mobile | Independent | Mobile, AL | |
| William Russell | russel006wil | 1886 | 6/20-6/27 | Mobile | Gulf League | Mobile, AL | |
| William Russell | russel006wil | 1886 | 8/22-9/2 | Acid Iron Earths | Gulf League | Mobile, AL | |
| William Russell | russel006wil | 1886 | 9/6-9/12 | Mobile | Gulf League | Mobile, AL | |
| Ryan | ryan--047--- | 1886 | +9/20-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Cyclone Ryan | ryan--001cyc | 1886 | 5/14-10/2 | Boston Blues | New England League | Boston, MA | |
| Jack Ryan | ryan--004jac | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| James Ryan | ryan--012jam | 1886 | 5/3-6/2 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| James Ryan | ryan--011jam | 1886 | 5/8-7/6 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Jimmy Ryan | ryan--003jam | 1886 | 84 g. | Chicago | National League | Chicago, IL | |
| Mike Ryan | ryan--001mik | 1886 | 5/10-6/5 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| Harry Sage | sage--001har | 1886 | +5/22-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Ed Sales | sales-001ed- | 1886 | 5/11-8/6 | Binghamton Crickets | International League | Binghamton, NY | |
| Ed Sales | sales-001ed- | 1886 | 8/17 | Brockton | New England League | Brockton, MA | |
| Ed Sales | sales-001ed- | 1886 | Milton | Independent | Milton, PA | ||
| Harry Salisbury | salisb001har | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | |
| Harry Salisbury | salisb001har | 1886 | Denver Mountain Lions | Western League | Denver, CO | ||
| Ben Sanders | sander002ben | 1886 | 8/12-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Sangster | sangst001--- | 1886 | 5/- | Mobile | Gulf League | Mobile, AL | |
| Sangster | sangst001--- | 1886 | 9/12-10/14 | Mobile | Gulf League | Mobile, AL | |
| Edward Santry | santry001edw | 1886 | 5/18-5/28 | Memphis Grays | Southern Association | Memphis, TN | |
| Edward Santry | santry001edw | 1886 | +6/26-6/29+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Albert Sapp | sapp--001alb | 1886 | Chiacgo | Amat | Chiacgo, IL | ||
| Albert Sapp | sapp--001alb | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | ||
| Arthur Saunders | saunde001art | 1886 | 8/12-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Jimmy Say | say---001jim | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Lou Say | say---001lou | 1886 | 4/15-5/27 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Lou Say | say---001lou | 1886 | +7/31-9/23 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Lou Say | say---001lou | 1886 | 9/28-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Lou Say | say---001lou | 1886 | 5/7 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| George Sayer | sayer-001geo | 1886 | Norwich | CNY | Norwich, NY | ||
| George Sayer | sayer-001geo | 1886 | 9/17-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| Sayles | 1886 | , | |||||
| P. Scanlan | 1886 | Saratoga | Hudson River League | Saratoga, NY | |||
| Mike Scanlon | scanlo002mic | 1886 | -8/21 | 82 g. | Washington | National League | Washington, DC |
| Scarf | 1886 | +7/5+ | Baltimore Marylands | Independent | Baltimore, MD | ||
| John Schappert | schapp001joh | 1886 | 5/15-9/3 | Syracuse Stars | International League | Syracuse, NY | |
| Gus Scharringhausen | sherin001j-- | 1886 | St. Louis Peach Pies | Independent | St. Louis, MO | ||
| Gus Scharringhausen | sherin001j-- | 1886 | Hastings | Independent | Hastings, NE | ||
| Gus Scharringhausen | sherin001j-- | 1886 | +9/16-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Ted Scheffler | scheff001ted | 1886 | 5/1-10/2 | Portland | New England League | Portland, ME | |
| Jacob Schehr | 1886 | L.I.-Stars | Independent | , | |||
| Frank Scheibeck | scheib001fra | 1886 | Guellph Maple Leafs | Independent | Guellph, ON | ||
| Matthew Schell | schell001mat | 1886 | Norwich | CNY | Norwich, NY | ||
| Matthew Schell | schell001mat | 1886 | 5/28-7/10 | Oswego Starchboxes | International League | Oswego, NY | |
| Al Schellhase | schell001al- | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Al Schellhase | schell001al- | 1886 | 9/6-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Bill Schenck | schenc001bil | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| Bill Schenck | schenc001bil | 1886 | 17 g. | Troy Trojans | Hudson River League | Troy, NY | |
| Luke Schildknecht | schild001luk | 1886 | Louisville Fall Cities | Independent | Louisville, KY | ||
| Gus Schmelz | schmel001gus | 1886 | g. | St. Louis Maroons | National League | St. Louis, MO | |
| William Schneider | schnei005wil | 1886 | +7/14-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Jumbo Schoeneck | schoen001jum | 1886 | 7/12-10/2 | Portland | New England League | Portland, ME | |
| Otto Schomberg | schomb001ott | 1886 | 5/1-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Otto Schomberg | schomb001ott | 1886 | 6/8-7/5 | Utica Pent Ups | International League | Utica, NY | |
| Otto Schomberg | schomb001ott | 1886 | 7/7- | 72 g. | Pittsburgh | American Association | Pittsburgh, PA |
| Pop Schriver | schriv001wil | 1886 | 4/29- | 8 g. | Brooklyn | American Association | Brooklyn, NY |
| F. Schuer | 1886 | West Manchester | New Hampshire State League | West Manchester, NH | |||
| John Schweitzer | schwei001joh | 1886 | 5/8-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| John Schweitzer | schwei001joh | 1886 | 7/10-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Milt Scott | scott-001mil | 1886 | 137 g. | Baltimore | American Association | Baltimore, MD | |
| Scullin | 1886 | St. Louis Prickly Ash | Independent | St. Louis, MO | |||
| Seaman | seaman002--- | 1886 | 6/20 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Seely | seely-001--- | 1886 | +5/27+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Emmett Seery | seery-001emm | 1886 | 126 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Nick Seiler | seiler001nic | 1886 | 8/29-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| William Selden | seldon001wil | 1886 | York Monarchs | Independent | York, PA | ||
| Frank Selee | selee-001fra | 1886 | 5/1-7/20 | Haverhill | New England League | Haverhill, MA | |
| Billy Serad | serad-001bil | 1886 | 5/11-9/24 | Utica Pent Ups | International League | Utica, NY | |
| John Serverson | server001joh | 1886 | Lewisburg | Amat | Lewisburg, PA | ||
| Ed Seward | seward001ed- | 1886 | 5/1-5/31 | Providence Grays | Eastern League | Providence, RI | |
| Ed Seward | seward001ed- | 1886 | 6/12-6/26 | Rochester Maroons | International League | Rochester, NY | |
| Ed Seward | seward001ed- | 1886 | 7/5-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| Tom Sexton | sexton001tom | 1886 | 5/8-8/1+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Tom Sexton | sexton001tom | 1886 | +8/19-9/23 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| G. Shadney | 1886 | Cuban Giants | Independent | Cuban, | |||
| Orator Shafer | shafer001ora | 1886 | 21 g. | Philadelphia | American Association | Philadelphia, PA | |
| Orator Shafer | shafer001ora | 1886 | 6/27-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Taylor Shafer | shafer001tay | 1886 | +5/22-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| John Shaffer | shaffe001joh | 1886 | 4/15-8/27 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| John Shaffer | shaffe001joh | 1886 | 9/13- | 8 g. | New York | American Association | New York, NY |
| Gus Shallix | shalli001gus | 1886 | Umpire | West | , | ||
| Dan Shannon | shanno004dan | 1886 | 5/1 | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Dan Shannon | shanno004dan | 1886 | -10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Jesse Shannon | shanno001jes | 1886 | 6/24-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Joseph Shannon | shanno003jos | 1886 | 7/3-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Sharretts | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | ||
| Bill Sharsig | sharsi001bil | 1886 | g. | Philadelphia | American Association | Philadelphia, PA | |
| Edward Shattuck | shattu001edw | 1886 | 5/11-6/10 | Utica Pent Ups | International League | Utica, NY | |
| Edward Shattuck | shattu001edw | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| Edward Shattuck | shattu001edw | 1886 | 8/20-8/27 | Oswego Starchboxes | International League | Oswego, NY | |
| Thomas Shaughnessy | shaugh001tho | 1886 | +6/30-7/23 | Topeka Capitals | Western League | Topeka, KS | |
| Dupee Shaw | shaw--001dup | 1886 | 45 g. | Washington | National League | Washington, DC | |
| John Shaw | shaw--008joh | 1886 | 5/1-10/2 | Boston Blues | New England League | Boston, MA | |
| Sam Shaw | shaw--002sam | 1886 | 42 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Charles Shay | shay--001cha | 1886 | 5/10-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Charles Shay | shay--001cha | 1886 | +7/5-7/19 | Norfolk | Virginia League | Norfolk, VA | |
| Edward Shay | shay--002edw | 1886 | 39 g. | Kingston | Hudson River League | Kingston, NY | |
| Eli Shay | shay--001edw | 1886 | Norwich | CNY | Norwich, NY | ||
| Joseph Shea | shea--001jos | 1886 | 7 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| Joseph Shea | shea--001jos | 1886 | 10 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Joseph Shea | shea--001jos | 1886 | 8 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Mike Shea | shea--001mik | 1886 | 6/11-7/22 | Memphis Grays | Southern Association | Memphis, TN | |
| Mike Shea | shea--001mik | 1886 | 6/20-6/21 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Mike Shea | shea--001mik | 1886 | 8/2-10/18 | New Orleans | Gulf League | New Orleans, LA | |
| Thomas Shea | shea--001tho | 1886 | 8/1-9/12 | New Orleans | Gulf League | New Orleans, LA | |
| W.J. Sheard | sheard001w-- | 1886 | Topeka Capitals | Western League | Topeka, KS | ||
| Sheehan | sheeha021--- | 1886 | 5/6-5/28+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Sheehan | sheeha018--- | 1886 | +6/12-6/20+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Patrick Sheehan | sheeha001pat | 1886 | Manchester | New Hampshire State League | Manchester, NH | ||
| Matthew Shell | shell-001mat | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| William Shenkel | shenke001wil | 1886 | Decatur | Independent | Decatur, IL | ||
| William Shenkel | shenke001wil | 1886 | 6/19-7/9 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Shepherd | shephe004--- | 1886 | 8/22-8/23 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Alfred Sheppard/erd | sheppa001alf | 1886 | 9/8-9/14 | Buffalo Bisons | International League | Buffalo, NY | |
| John Shetzline | shetzl001joh | 1886 | 5/1-5/20 | Long Island A's | Eastern League | Long Island City, NY | |
| John Shetzline | shetzl001joh | 1886 | 5/31-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Billy Shindle | shindl001wil | 1886 | 5/11-9/25 | Utica Pent Ups | International League | Utica, NY | |
| Billy Shindle | shindl001wil | 1886 | 10/5- | 7 g. | Detroit | National League | Detroit, MI |
| Tim Shinnick | shinni002tim | 1886 | Phil. Exeter Acad | School | , | ||
| George Shoch | shoch-001geo | 1886 | 5/1-9/9 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| George Shoch | shoch-001geo | 1886 | 9/10- | 26 g. | Washington | National League | Washington, DC |
| John Shoup | shoupe001joh | 1886 | 5/8-8/31 | Oswego Starchboxes | International League | Oswego, NY | |
| Lev Shreve | shreve001lev | 1886 | 6/3-7/5 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| Lev Shreve | shreve001lev | 1886 | 7/7-9/3 | Savannah | Southern Association | Savannah, GA | |
| Lev Shreve | shreve001lev | 1886 | 9/18-9/19 | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Lev Shreve | shreve001lev | 1886 | 9/28-9/30 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Lev Shreve | shreve001lev | 1886 | 10/10-10/31 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Ed Silch | silch-001ed- | 1886 | 5/- | St. Louis Peach Pies | Independent | St. Louis, MO | |
| Ed Silch | silch-001ed- | 1886 | +7/9-9/17 | Denver Mountain Lions | Western League | Denver, CO | |
| Joe Simmons | simmon001joe | 1886 | 5/1-9/? | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Lew Simmons | simmon001lew | 1886 | 4/17-8/25 | g. | Philadelphia | American Association | Philadelphia, PA |
| Hank Simon | simon-001hen | 1886 | 5/8-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| George Simonin | simoni001--- | 1886 | 7/29 | Macon | Southern Association | Macon, GA | |
| H. Simpson | 1886 | Trenton Cubans | Independent | Trenton, NJ | |||
| James Simpson | 1886 | Trenton Cubans | Independent | Trenton, NJ | |||
| Arthur Sippi | sippi-001art | 1886 | London | W.ONT | London, ON | ||
| Ed Sixsmith | sixsmi001ed- | 1886 | 5/3-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Al Skinner | skinne001al- | 1886 | 7/19 | MLB Umpire | American Association | , | |
| Al Skinner | skinne001al- | 1886 | -9/20 | 7 g. | MLB Umpire | National League | , |
| Slater | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | ||
| Slater | 1886 | +7/31+ | Danville | Virginia League | Danville, PA | ||
| Mike Slattery | slatte001mik | 1886 | 5/1-9/30 | Haverhill | New England League | Haverhill, MA | |
| Slocum | slocum001--- | 1886 | +5/22-7/22+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| James Slocum | slocum001jam | 1886 | 5/11-6/7 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| A.G. Smith | smith-003a-- | 1886 | 5/14-5/22 | Chattanooga Lookouts | Southern Association | Chattanooga, TN | |
| A.G. Smith | smith-003a-- | 1886 | Hastings | Independent | Hastings, NE | ||
| Bill Smith | smith-006bil | 1886 | 7/12 | MLB Umpire | National League | , | |
| Billy Smith | schmid001bil | 1886 | 4/16-6/28 | Macon | Southern Association | Macon, GA | |
| Billy Smith | schmid001bil | 1886 | 7/6-9/13 | 10 g. | Detroit | National League | Detroit, MI |
| Billy Smith | schmid001bil | 1886 | 10/31 | New Orleans | Gulf League | New Orleans, LA | |
| Eben Smith | 1886 | Washington Nationals | Independent | Washington, DC | |||
| Edgar Smith | smith-003edg | 1886 | 5/1-6/2 | Providence Grays | Eastern League | Providence, RI | |
| Elmer Smith | smith-004elm | 1886 | 4/16-6/30 | Nashville Americans | Southern Association | Nashville, TN | |
| Elmer Smith | smith-004elm | 1886 | 9/10- | 9 g. | Cincinnati | American Association | Cincinnati, OH |
| Ernest Smith | smith-003ern | 1886 | 5/8-9/15 | Buffalo Bisons | International League | Buffalo, NY | |
| Frank Smith | smith-014fra | 1886 | Macon | Southern Association | Macon, GA | ||
| Fred Smith | smith-016fre | 1886 | 7/22-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| Fred Smith | smith-016fre | 1886 | 8/23-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Germany Smith | smith-013geo | 1886 | 105 g. | Brooklyn | American Association | Brooklyn, NY | |
| Harry Smith | smith-019har | 1886 | +7/11-8/7 | Topeka Capitals | Western League | Topeka, KS | |
| Harry Smith | smith-024har | 1886 | Worcester | Independent | Worcester, OH | ||
| Harry Smith | smith-028har | 1886 | Lynchburg | Independent | Lynchburg, VA | ||
| Harry Smith | smith-028har | 1886 | 7/19-8/11 | Danville | Virginia League | Danville, PA | |
| Hugh Smith | smith-004hug | 1886 | 11 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| James Smith | 1886 | 19 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| James Smith | 1886 | 2 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| John Smith | smith-043joh | 1886 | 10 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| John Smith | smith-052joh | 1886 | Trenton | Independent | Trenton, NJ | ||
| Leo Smith | smith-007leo | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Pacer Smith | smith-041cha | 1886 | Decatur | Independent | Decatur, IL | ||
| Pacer Smith | smith-041cha | 1886 | Little Rock | Independent | Little Rock, AR | ||
| Phenomenal Smith | smith-013joh | 1886 | 5/1-9/25 | Newark Little Giants | Eastern League | Newark, NJ | |
| Phenomenal Smith | smith-013joh | 1886 | 3 g. | Detroit | National League | Detroit, MI | |
| Pop Smith | smith-001pop | 1886 | 126 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Rex Smith | smith-027har | 1886 | 5/4-8/9? | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Rex Smith | smith-002rex | 1886 | 5/31 | 1 g. | Cincinnati | American Association | Cincinnati, OH |
| Rex Smith | smith-002rex | 1886 | 7/11 | 1 g. | Philadelphia | American Association | Philadelphia, PA |
| Rex Smith | smith-002rex | 1886 | 8/1 | Louisville Fall Cities | Independent | Louisville, KY | |
| Rex Smith | smith-002rex | 1886 | 8/17 | Louisville | Exhibition | Louisville, KY | |
| Skyrocket Smith | smith-001sky | 1886 | +7/9-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| William Smith | smith-062wil | 1886 | 5/8-8/7 | Toronto Canucks | International League | Toronto, ON | |
| John Sneed | sneed-002joh | 1886 | 4/15-9/4 | Memphis Grays | Southern Association | Memphis, TN | |
| Arthur Snyder | snyder001a-- | 1886 | Leavenworth Soldiers | Western League | Leavenworth, KS | ||
| Benjamin Snyder | snyder003ben | 1886 | 5/7-7/30+ | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Pop Snyder | snyder001pop | 1886 | 60 g. | Cincinnati | American Association | Cincinnati, OH | |
| William Snyder | snyder013wil | 1886 | 5/1-5/6 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Soanes | 1886 | 3 g. | Stockton | California State League | Stockton, CA | ||
| Joe Sommer | sommer001joe | 1886 | 139 g. | Baltimore | American Association | Baltimore, MD | |
| Andy Sommers | sommer001pet | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| Pete Sommers | sommer002pet | 1886 | Mansfield | Independent | Mansfield, OH | ||
| Soost | soost-001--- | 1886 | 6/20-7/26 | Mobile | Gulf League | Mobile, AL | |
| Bill Sowders | sowder001bil | 1886 | +6/7-9/29 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Len Sowders | sowder001len | 1886 | 4/15-9/4 | Nashville Americans | Southern Association | Nashville, TN | |
| Len Sowders | sowder001len | 1886 | 9/10-10/14 | 23 g. | Baltimore | American Association | Baltimore, MD |
| Bernard Speidel | speide001ber | 1886 | Wheeling | Independent | Wheeling, WV | ||
| Harry Spence | spence001har | 1886 | 5/1-9/19 | Portland | New England League | Portland, ME | |
| Frank Spill | spill-001fra | 1886 | 5/18-9/25 | Toronto Canucks | International League | Toronto, ON | |
| Charlie Sprague | spragu001cha | 1886 | Amat | , | |||
| J. A. Stackpole | 1886 | 5/10-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | ||
| Stafford | staffo001--- | 1886 | 7/9 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Stafford | staffo001--- | 1886 | 9/11-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Jack Stafford | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| Harry Staley | staley001har | 1886 | Springfield | Independent | Springfield, IL | ||
| Stall | stall-001--- | 1886 | 10/31 | Mobile | Gulf League | Mobile, AL | |
| George Stallings | stalli002geo | 1886 | Jacksonville | Amat | Jacksonville, FL | ||
| George Stalze | stalze001geo | 1886 | 5/11-9/25 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Joseph Stanley | stanle004jos | 1886 | 6/24-6/26 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Edward Stapleton | staple002edw | 1886 | 5/1-9/10 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Edward Stapleton | staple003edw | 1886 | 5/1-9/30 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Joe Start | start-001joe | 1886 | 31 g. | Washington | National League | Washington, DC | |
| Dan Stearns | stearn002dan | 1886 | 4/15-8/21 | Macon | Southern Association | Macon, GA | |
| Dan Stearns | stearn002dan | 1886 | 9/2-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| Fred Stein | stein-001fre | 1886 | 27 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Simmons Steiner | steine001sim | 1886 | Brooklyn Ridgeways | Independent | Brooklyn, NY | ||
| Simmons Steiner | steine001sim | 1886 | 5/11-9/30 | Wilkes-Barre | Pennsylvania State Association | Wilkes-Barre, PA | |
| Russ Steinhoff | steinh002rus | 1886 | 4/25- | Mobile | Independent | Mobile, AL | |
| Russ Steinhoff | steinh002rus | 1886 | 6/20-9/2+ | Acid Iron Earths | Gulf League | Mobile, AL | |
| Bill Stellberger | stellb001bil | 1886 | 5/6-5/17 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Bill Stemmyer | stemme001bil | 1886 | 41 g. | Boston | National League | Boston, MA | |
| Benjamin Stephens | stephe002ben | 1886 | no g. | Kalamazoo | Ohio | Kalamazoo, MI | |
| Benjamin Stephens | stephe002ben | 1886 | 37 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Clarence Stephens | stephe001cla | 1886 | 10/8 | 1 g. | Cincinnati | American Association | Cincinnati, OH |
| Robert Stevens | steven013rob | 1886-89 | Seattle | Independent | Seattle, WA | ||
| Dick Stickney | stickn001d-- | 1886 | 7/6-9/5 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Will Stickney | stickn001wil | 1886 | 6/20-8/13 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Will Stickney | stickn001wil | 1886 | 8/22-9/6 | Mobile | Gulf League | Mobile, AL | |
| Harry Stine | stine-001har | 1886 | Poughkeepsie | Hudson River League | Poughkeepsie, NY | ||
| Harry Stine | stine-001har | 1886 | 6/24-7/31 | Danville | Pennsylvania State Association | Danville, PA | |
| Harry Stine | stine-001har | 1886 | Sunbury | Independent | Sunbury, PA | ||
| P. Stine | stine-001p-- | 1886 | 7/29-8/11 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Jack Stivetts | stivet001jac | 1886 | Ashland | Independent | Ashland, PA | ||
| Len Stockwell | stockw001len | 1886 | 4/16-7/6 | Savannah | Southern Association | Savannah, GA | |
| Len Stockwell | stockw001len | 1886 | - 9/30 | 10 g. | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI |
| S. Stoll | stoll-001s-- | 1886 | 5/29-5/31 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| Stone | stone-001--- | 1886 | 6/21 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Stone | 1886 | 4 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| George Stone | stone-005geo | 1886 | 5/3-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| George Stone | stone-005geo | 1886 | Oneida | Independent | Oneida, NY | ||
| Fred Stoutenburg | stoute001fre | 1886 | Newburgh | Hudson River League | Newburgh, NY | ||
| Fred Stoutenburg | stoute001fre | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Fred Stoutenburg | stoute001fre | 1886 | 5/14-7/22 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| George Stovey | stovey001geo | 1886 | Will.-LumberCity | Independent | , | ||
| George Stovey | stovey001geo | 1886 | Cuban Giants | Independent | Cuban, | ||
| George Stovey | stovey001geo | 1886 | 6/26-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| Harry Stovey | stovey001har | 1886 | 123 g. | Philadelphia | American Association | Philadelphia, PA | |
| Ed Stratton | stratt001ed- | 1886 | Richmond | Virginia League | Richmond, VA | ||
| Ed Stratton | stratt001ed- | 1886 | 6/21-7/14+ | Richmond | Virginia League | Richmond, VA | |
| Joe Straub | straub001joe | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| Joe Strauss | straus001joe | 1886 | 74 g. | Louisville | American Association | Louisville, KY | |
| Joe Strauss | straus001joe | 1886 | 9 g. | Brooklyn | American Association | Brooklyn, NY | |
| Cub Stricker | strick001cub | 1886 | 4/15-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Cub Stricker | strick001cub | 1886 | 9/8-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| George Strief | strief001geo | 1886 | 4/15-9/4 | Savannah | Southern Association | Savannah, GA | |
| John Strike | strike001joh | 1886 | Kingston | Hudson River League | Kingston, NY | ||
| John Strike | strike001joh | 1886 | 9/24-9/30 | 2 g. | Philadelphia | National League | Philadelphia, PA |
| Henry Strong | strong002hen | 1886 | Topeka Capitals | Western League | Topeka, KS | ||
| Con Strothers | stroth001joh | 1886 | 4/15 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Con Strothers | stroth001joh | 1886 | +7/31+ | Danville | Virginia League | Danville, PA | |
| Con Strothers | stroth001joh | 1886 | 8/20-8/25 | Lawrence | New England League | Lawrence, MA | |
| John Struck | struck001--- | 1886 | +7/6+ | Omaha Union Pacific | Independent | Omaha, NE | |
| Al Strueve | struev001al- | 1886 | 8/5-9/5 | St. Joseph Reds | Western League | St. Joseph, MO | |
| William Strunz | strunz001wil | 1886 | 8/13-8/16 | Brockton | New England League | Brockton, MA | |
| Tony Suck | suck--001ton | 1886 | 4/21-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Benjamin Sullivan | sulliv003ben | 1886 | 5/12-5/15+ | Topeka Capitals | Western League | Topeka, KS | |
| Dan Sullivan | sulliv007dan | 1886 | 1 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Dan Sullivan | sulliv007dan | 1886 | 6/22-7/1 | Savannah | Southern Association | Savannah, GA | |
| Dave Sullivan | sulliv006dav | 1886 | 5/1- | Umpire | Int | , | |
| Dave Sullivan | sulliv006dav | 1886 | 6/12-9/28 | Binghamton Crickets | International League | Binghamton, NY | |
| Joseph Sullivan | sulliv009jos | 1886 | 5/3-9/21 | Boston Blues | New England League | Boston, MA | |
| Marty Sullivan | sulliv003mar | 1886 | 5/1-10/2 | Boston Blues | New England League | Boston, MA | |
| Mike Sullivan | sulliv001mik | 1886 | Meriden? | Meriden, CT | |||
| Mike Sullivan | sulliv001mik | 1886 | Hartford | Hartford, CT | |||
| Mike Sullivan | sulliv001mik | 1886 | no g. | Newark Little Giants | Eastern League | Newark, NJ | |
| Pat Sullivan | sulliv002pat | 1886 | St. Joseph Reds | Western League | St. Joseph, MO | ||
| Pat Sullivan | sulliv002pat | 1886 | 5/8-7/21+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Pat Sullivan | sulliv002pat | 1886 | +8/19-9/23 | Eau Claire Lumbermen | Northwestern League | Eau Claire, WI | |
| Sleeper Sullivan | sulliv001sle | 1886 | 5/1-7/10 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Sleeper Sullivan | sulliv001sle | 1886 | 7/15-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Ted Sullivan | sulliv001tp- | 1886 | +7/16-8/6+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Tom Sullivan | sulliv001tom | 1886 | 9 g. | Louisville | American Association | Louisville, KY | |
| Tom Sullivan | sulliv001tom | 1886 | 6/24-9/4 | Charleston Seagulls | Southern Association | Charleston, SC | |
| William Sullivan | sulliv009wil | 1886 | no g. | Providence Grays | Eastern League | Providence, RI | |
| William Sullivan | sulliv009wil | 1886 | +6/21-8/27+ | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| William Sullivan | sulliv013wil | 1886 | 5/1-6/4 | Boston Blues | New England League | Boston, MA | |
| Art Sunday | sunday001art | 1886 | +6/30-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Billy Sunday | sunday001bil | 1886 | 28 g. | Chicago | National League | Chicago, IL | |
| Elmer Sutcliffe | sutcli001sy- | 1886 | 4/15-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Elmer Sutcliffe | sutcli001sy- | 1886 | 7/7-9/4 | Savannah | Southern Association | Savannah, GA | |
| John Sutter | sutter002joh | 1886 | Brooklyn Ridgewood | Independent | Brooklyn, NY | ||
| John Sutter | sutter002joh | 1886 | 39 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Ezra Sutton | sutton001ezr | 1886 | 116 g. | Boston | National League | Boston, MA | |
| Swaine | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| Bill Swarback | swarba001bil | 1886 | Staten Island | Independent | Staten Island, NY | ||
| Ed Swartwood | swartw001ed- | 1886 | 122 g. | Brooklyn | American Association | Brooklyn, NY | |
| Park Swartzel | swartz001par | 1886 | +7/11-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Bill Sweeney | sweene001bil | 1886 | 5/17-5/27 | Oswego Starchboxes | International League | Oswego, NY | |
| Bill Sweeney | sweene001bil | 1886 | Little Falls | CNY | Little Falls, NY | ||
| Bill Sweeney | sweene001bil | 1886 | Oneida | CNY | Oneida, NY | ||
| Charlie Sweeney | sweene004cha | 1886 | 17 g. | St. Louis Maroons | National League | St. Louis, MO | |
| Charlie Sweeney | sweene004cha | 1886 | 7/15-7/23 | Syracuse Stars | International League | Syracuse, NY | |
| Charlie Sweeney | sweene004cha | 1886 | 8 g. | Sacramento | California League | Sacramento, CA | |
| Charlie Sweeney | sweene004cha | 1886 | 3 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| James Sweeney | sweene008jam | 1886 | Milwaukee Bay View | Independent | Milwaukee, WI | ||
| James Sweeney | sweene008jam | 1886 | +8/26-9/14+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Pete Sweeney | sweene001pet | 1886 | 27 g. | San Francisco Haverlys | California League | San Francisco, CA | |
| Tom Sweeney | sweene001tom | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Pop Swett | swett-001pop | 1886 | San Francisco Star | California League | San Francisco, CA | ||
| Swift | swift-005--- | 1886 | 5/12+ | St. Joseph Reds | Western League | St. Joseph, MO | |
| Swift | swift-006--- | 1886 | 9/11 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Albert Swift | swift-001alb | 1886 | +6/30-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Lou Sylvester | sylves002lou | 1886 | 4/15-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Lou Sylvester | sylves002lou | 1886 | 45 g. | Louisville | American Association | Louisville, KY | |
| Lou Sylvester | sylves002lou | 1886 | 17 g. | Cincinnati | American Association | Cincinnati, OH | |
| Win Sylvester | sylves001win | 1886 | no g. | Providence Grays | Eastern League | Providence, RI | |
| Win Sylvester | sylves001win | 1886 | Brockton | New England League | Brockton, MA | ||
| John Taber | taber-001joh | 1886 | 10/1 | Brockton | New England League | Brockton, MA | |
| Talisferro | talisf001--- | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | |
| Talisferro | talisf001--- | 1886 | +6/29-7/6+ | Petersburg | Virginia League | Petersburg, VA | |
| Edward Tate | tate--001pop | 1886 | 31 g. | Boston | National League | Boston, MA | |
| B. Taylor | 1886 | Canandaigua | CNY | Canandaigua, NY | |||
| B.L. Taylor | taylor003b-- | 1886 | 5/17-6/2 | Providence Grays | Eastern League | Providence, RI | |
| B.L. Taylor | taylor003b-- | 1886 | 6/17-7/9 | Syracuse Stars | International League | Syracuse, NY | |
| Billy Taylor | taylor001bil | 1886 | 7/5-8/5 | Nashville Americans | Southern Association | Nashville, TN | |
| Billy Taylor | taylor001bil | 1886 | 8/13 | Macon | Southern Association | Macon, GA | |
| Billy Taylor | taylor001bil | 1886 | 10 g. | Baltimore | American Association | Baltimore, MD | |
| Live Oak Taylor | taylor001liv | 1886 | 3 g. | San Francisco Star | California League | San Francisco, CA | |
| Live Oak Taylor | taylor001liv | 1886 | 22 g. | San Francisco Pioneers | California League | San Francisco, CA | |
| Live Oak Taylor | taylor001liv | 1886 | 7 g. | Sacramento | California League | Sacramento, CA | |
| Live Oak Taylor | taylor001liv | 1886 | 2 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | |
| Live Oak Taylor | taylor001liv | 1886 | 1 g. | San Francisco Damianas | California State League | San Francisco, CA | |
| Al Tebeau | tebeau002al- | 1886 | St. Louis Prickly Ash | Amat | St. Louis, MO | ||
| George Tebeau | tebeau002geo | 1886 | +7/9-9/19 | Denver Mountain Lions | Western League | Denver, CO | |
| Patsy Tebeau | tebeau001pat | 1886 | +7/9-9/20 | St. Joseph Reds | Western League | St. Joseph, MO | |
| Tennant | tennan002--- | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | |
| Tennant | tennan002--- | 1886 | +6/25-8/11 | Petersburg | Virginia League | Petersburg, VA | |
| Tennison | tennis001--- | 1886 | 4/25-6/19 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Tennison | tennis001--- | 1886 | 6/20-8/8 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Tom Terrell | terrel001tom | 1886 | 8/9-8/28 | Macon | Southern Association | Macon, GA | |
| Tom Terrell | terrel001tom | 1886 | 10/5 | 1 g. | Louisville | American Association | Louisville, KY |
| Edmund Terrien | terrie001edm | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Adonis Terry | terry-001ado | 1886 | 75 g. | Brooklyn | American Association | Brooklyn, NY | |
| Edward Thayer | thayer001edw | 1886 | 5/1-10/1 | Brockton | New England League | Brockton, MA | |
| T. Theissen | theiss001t-- | 1886 | Meriden Resolutes | Amat | Meriden, CT | ||
| T. Theissen | theiss001t-- | 1886 | 7/12-7/13 | Meriden Silvermen | Eastern League | Meriden, CT | |
| Arthur Thomas | thomas005art | 1886 | +5/28-7/26+ | Cuban Giants | Independent | Cuban, | |
| William Thomas | thomas015wil | 1886 | 5/1-6/17 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| William Thomas | thomas015wil | 1886 | 7/13-8/9 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| William Thomas | thomas015wil | 1886 | 9/10 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Sam Thompson | thomps002sam | 1886 | 122 g. | Detroit | National League | Detroit, MI | |
| Tug Thompson | thomps001tug | 1886 | 5/19-7/28 | Hamilton Clippers | International League | Hamilton, ON | |
| Harry Thornton | 1886 | 22 g. | San Francisco Damianas | California State League | San Francisco, CA | ||
| Harry Thornton | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| James Thyne | thyne-001jam | 1886 | no g. | Charleston Seagulls | Southern Association | Charleston, SC | |
| Mike Tiernan | tierna001mik | 1886 | 5/1-10/2 | Jersey City Jerseys | Eastern League | Jersey City, NJ | |
| E. Otis Tilden | 1886 | 6/30-7/10 | Umpire | Int | , | ||
| John Tilley | tilley001joh | 1886 | New York Alaskas | Independent | New York, NY | ||
| Tillson | tillso002--- | 1886 | 1 g. | San Francisco Californias | California State League | San Francisco, CA | |
| Ledell Titcomb | titcom001can | 1886 | 5/5- | 5 g. | Philadelphia | National League | Philadelphia, PA |
| Tobin | tobin-001--- | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| George Toffling | toffli001geo | 1886 | 9/7-10/11 | Brockton | New England League | Brockton, MA | |
| Phil Tomney | tomney001phi | 1886 | 5/8-9/22 | Syracuse Stars | International League | Syracuse, NY | |
| Edward Toohey | toohey001edw | 1886 | 5/11-7/12 | Binghamton Crickets | International League | Binghamton, NY | |
| Steve Toole | toole-001ste | 1886 | 4/20- | 14 g. | Brooklyn | American Association | Brooklyn, NY |
| Jeremiah Tottan | 1886 | Harlam Sylvans | Independent | Harlam, | |||
| Jeremiah Tottan | 1886 | New York Reserves | Independent | New York, NY | |||
| Benjamin Townsend | townse002ben | 1886 | 26/42 g. | Newburgh | Hudson River League | Newburgh, NY | |
| George Townsend | townse002geo | 1886 | 26/42 g. | Newburgh | Hudson River League | Newburgh, NY | |
| Jim Toy | toy---001jim | 1886 | 4/16-7/4 | Augusta Browns | Southern Association | Augusta, GA | |
| Jim Toy | toy---001jim | 1886 | 7/19-9/13 | Oswego Starchboxes | International League | Oswego, NY | |
| Jim Toy | toy---001jim | 1886 | 9/15 | Utica Pent Ups | International League | Utica, NY | |
| Bill Traffley | traffl001bil | 1886 | -7/29 | 25 g. | Baltimore | American Association | Baltimore, MD |
| Bill Traffley | traffl001bil | 1886 | +7/19-7/31 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Bill Traffley | traffl001bil | 1886 | 8/30-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Charles Trask | trask-001cha | 1886 | Salem | Independent | Salem, MA | ||
| Charles Trask | trask-001cha | 1886 | Beverly Stars | Independent | Beverly, MA | ||
| Jim Tray | tray--001jim | 1886 | +5/22-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Tribon | 1886 | 1 g. | San Francisco Knickerbockers | California State League | San Francisco, CA | ||
| Tribon | 1886 | 2 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Mike Trost | trost-001mik | 1886 | no g. | Newark Little Giants | Eastern League | Newark, NJ | |
| Sam Trott | trott-001sam | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| Dasher Troy | troy--001das | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Dasher Troy | troy--001das | 1886 | 5/11-7/24 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Dasher Troy | troy--001das | 1886 | 8/4-9/21 | Binghamton Crickets | International League | Binghamton, NY | |
| Dasher Troy | troy--001das | 1886 | 9/25-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Sheppard Trusty | 1886 | +5/28-7/27+ | Cuban Giants | Independent | Cuban, | ||
| Tommy Tucker | tucker003tho | 1886 | 5/1-10/2 | Newark Little Giants | Eastern League | Newark, NJ | |
| William Tuckerman | tucker006wil | 1886 | 5/3-10/1 | Brockton | New England League | Brockton, MA | |
| Tull | tull--001--- | 1886 | +7/14+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| William Tunison | 1886 | -6/12 | 15 g. | MLB Umpire | American Association | , | |
| Paddy Tuohy | toohey001jam | 1886 | Paterson Blossoms | Independent | Paterson, NJ | ||
| Turner | turner019--- | 1886 | 9/9-10/2 | Hartford Dark Blues | Eastern League | Hartford, CT | |
| Turner | 1886 | 16 g. | Troy Trojans | Hudson River League | Troy, NY | ||
| Frank Turner | turner002the | 1886 | Amhearst Col. | College | , | ||
| Frank Turner | turner002the | 1886 | Miller’s Fall | Independent | Miller’s Fall, MA | ||
| Charles Tuttle | tuttle003cha | 1886 | 5/14-5/19 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Art Twineham | twineh002art | 1886 | 5/12-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Larry Twitchell | twitch001lar | 1886 | 4/30- | 4 g. | Detroit | National League | Detroit, MI |
| Jim Tyng | tyng--001jim | 1886 | Bergen Point | Independent | Bergen Point, NJ | ||
| Underwood | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| Updike | 1886 | +7/5-7/19+ | Norfolk | Virginia League | Norfolk, VA | ||
| Utt | utt---001--- | 1886 | 2 g. | Stockton | California State League | Stockton, CA | |
| John Vactor | vactor001joh | 1886 | Cuban Giants | Independent | Cuban, | ||
| Gene Vadeboncoeur | vadebo001gen | 1886 | 5/1-7/8 | Haverhill | New England League | Haverhill, MA | |
| Gene Vadeboncoeur | vadebo001gen | 1886 | 7/14-8/1 | Boston Blues | New England League | Boston, MA | |
| Gene Vadeboncoeur | vadebo001gen | 1886 | Rutland | Independent | Rutland, VT | ||
| Thomas Vallelly | vallel001tho | 1886 | Eagle Groves of Iowa | Independent | , | ||
| Hobart Van Alstyne | vanals001hob | 1886 | 5/11-6/8 | Binghamton Crickets | International League | Binghamton, NY | |
| Bill Van Dyke | vandyk001bil | 1886 | no g. | Rochester Maroons | International League | Rochester, NY | |
| Bill Van Dyke | vandyk001bil | 1886 | +5/27-7/11 | Oshkosh | Northwestern League | Oshkosh, WI | |
| Bill Van Dyke | vandyk001bil | 1886 | Lincoln Tree Planters | Western League | Lincoln, NE | ||
| George Van Haltren | vanhal001geo | 1886 | 29 g. | Oakland Greenhood & Morans | California League | Oakland, CA | |
| George Van Haltren | vanhal001geo | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | |
| W.M. Van Sickles | vansic001w-- | 1886 | +8/4-8/20 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Dick Van Zant | vanzan001dic | 1886 | 5/8-9/30 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Farmer Vaughn | vaughn001far | 1886 | Lexington | BlueGrass | Lexington, KY | ||
| Farmer Vaughn | vaughn001far | 1886 | 10/7 | 1 g. | Cincinnati | American Association | Cincinnati, OH |
| Peek-A-Boo Veach | veach-001pee | 1886 | 5/8-9/17 | Toronto Canucks | International League | Toronto, ON | |
| Lee Viau | viau--001lee | 1886 | Dartmouth Col. | College | , | ||
| Lee Viau | viau--001lee | 1886 | Concord | New Hampshire State League | Concord, NH | ||
| Bill Vinton | vinton001bil | 1886 | +4/21+ | Yale University | College | , | |
| Jake Virtue | virtue001jak | 1886 | 5/10-6/11 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| Jake Virtue | virtue001jak | 1886 | 6/5-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Joe Visner | visner001joe | 1886 | 5/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Philip Voegtle | voetle001--- | 1886 | Coal Creeks | Independent | , | ||
| J.H. Vogel | vogel-005--- | 1886 | 6/21-7/14+ | Richmond | Virginia League | Richmond, VA | |
| Alex Voss | voss--001ale | 1886 | 5/12-9/19 | Leadville Blues | Western League | Leadville, CO | |
| Wagner | wagner001--- | 1886 | +5/22+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Harvey Walbridge | 1886 | 5 g. | San Francisco Californias | California State League | San Francisco, CA | ||
| Fleet Walker | walker001fle | 1886 | 5/1-9/24 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| George Walker | walker002geo | 1886 | Woodstock | WONAmat | Woodstock, ON | ||
| George Walker | walker002geo | 1886 | 6/8 | Oneida | Independent | Oneida, NY | |
| George Walker | walker002geo | 1886 | 6/9-24;9/15-16 | Stratford | WONAmat | Stratford, ON | |
| Walt Walker | walker001wal | 1886 | 5/13-7/2 | Oswego Starchboxes | International League | Oswego, NY | |
| Welday Wallace | wallac001wel | 1886 | 5/12-? | Denver Mountain Lions | Western League | Denver, CO | |
| Welday Wallace | wallac001wel | 1886 | 6/30-? | Topeka Capitals | Western League | Topeka, KS | |
| Welday Wallace | wallac001wel | 1886 | +7/25-8/9 | Umpire | West | , | |
| Harry Wallbridge | 1886 | San Francisco Californias | California State League | San Francisco, CA | |||
| Walsh | walsh-007--- | 1886 | 6/29 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| James Walsh | walsh-015joh | 1886 | 4/15-8/28 | Macon | Southern Association | Macon, GA | |
| James Walsh | walsh-015joh | 1886 | 9/1-9/4 | Savannah | Southern Association | Savannah, GA | |
| Joe Walsh | walsh-002joe | 1886 | 5/8-5/25 | Oswego Starchboxes | International League | Oswego, NY | |
| John Walsh | walsh-059--- | 1886 | 26 g. | Saratoga | Hudson River League | Saratoga, NY | |
| John Walsh | walsh-059--- | 1886 | Poughkeepsie | Hudson River League | Poughkeepsie, NY | ||
| Mickey Walsh | walsh-005mic | 1886 | 5/8-9/20 | Buffalo Bisons | International League | Buffalo, NY | |
| Ward | ward--003--- | 1886 | 5/12-5/15 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| John Ward | ward--002mon | 1886 | 122 g. | New York | National League | New York, NY | |
| Martin Warde | 1886 | 7 g. | Oakland Greenhood & Morans | California League | Oakland, CA | ||
| Martin Warde | 1886 | 5 g. | Oakland Greenhood & Morans | California State League | Oakland, CA | ||
| J. Ware | 1886 | no g. | Nashville Americans | Southern Association | Nashville, TN | ||
| J. Ware | 1886 | Columbia | Independent | Columbia, TN | |||
| Al Warner | warner002al- | 1886 | 6/10-8/13 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Al Warner | warner002al- | 1886 | 8/21-9/7 | Oswego Starchboxes | International League | Oswego, NY | |
| Edward Warner | warner003edw | 1886 | 5/22-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Billy Waters | waters003wil | 1886 | 4/28- | Elmira | Independent | Elmira, NY | |
| Billy Waters | waters003wil | 1886 | 5/11-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Bill Watkins | watkin002bil | 1886 | Detroit | National League | Detroit, MI | ||
| Arthur Watson | watson004art | 1886 | 5/8-7/20 | Duluth Jayhawks | Northwestern League | Duluth, MN | |
| Arthur Watson | watson004art | 1886 | 8/7-9/7 | Boston Blues | New England League | Boston, MA | |
| Farmer Weaver | weaver001far | 1886 | 5/12-5/15+ | Topeka Capitals | Western League | Topeka, KS | |
| Farmer Weaver | weaver001far | 1886 | +8/21-9/19 | Topeka Capitals | Western League | Topeka, KS | |
| Sam Weaver | weaver001sam | 1886 | -5/29 | 2 g. | Philadelphia | American Association | Philadelphia, PA |
| Webber | webber001--- | 1886 | +6/7-9/30 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Fred Webster | webste002fre | 1886 | Denver Mountain Lions | Western League | Denver, CO | ||
| Pete Weckbecker | weckbe001pet | 1886 | 5/16-6/19 | Mobile | Gulf League | Mobile, AL | |
| Pete Weckbecker | weckbe001pet | 1886 | 6/20-10/31 | Mobile | Gulf League | Mobile, AL | |
| August Weidel | weidel001aug | 1886 | 4/16-5/21 | Augusta Browns | Southern Association | Augusta, GA | |
| George Weidman | wiedma001stu | 1886 | 51 g. | Kansas City | National League | Kansas City, MO | |
| George Weigand | weigan001geo | 1886 | 6/19 | Newark Little Giants | Eastern League | Newark, NJ | |
| Hugh Weir | weir--001hug | 1886 | 5/8-7/30 | Buffalo Bisons | International League | Buffalo, NY | |
| Hugh Weir | weir--001hug | 1886 | 8/3-9/25 | Toronto Canucks | International League | Toronto, ON | |
| Curt Welch | welch-001cur | 1886 | 138 g. | St. Louis Browns | American Association | St. Louis, MO | |
| Mickey Welch | welch-003mic | 1886 | 59 g. | New York | National League | New York, NY | |
| Patrick Welch | welch-003pat | 1886 | Chicago Garden City | Independent | Chicago, IL | ||
| Tub Welch | welch-001tub | 1886 | +7/19-9/19 | Leavenworth Soldiers | Western League | Leavenworth, KS | |
| Frank Wells | wells-002fra | 1886 | 5/17-8/26 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Jake Wells | wells-001jak | 1886 | 5/2-6/19 | Mobile | Independent | Mobile, AL | |
| Jake Wells | wells-001jak | 1886 | 6/20-10/31 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Patrick Welsh | welsh-001pat | 1886 | Zanesville | Independent | Zanesville, OH | ||
| Welshman | welshm001--- | 1886 | Scranton Indians | Pennsylvania State Association | Scranton, PA | ||
| John George? Wentz | 1886 | 5/12+ | Decatur | Independent | Decatur, IL | ||
| Perry Werden | werden001per | 1886 | +6/30-9/20 | Lincoln Tree Planters | Western League | Lincoln, NE | |
| Joe Werrick | werric001joe | 1886 | -10/14 | 136 g. | Louisville | American Association | Louisville, KY |
| West | 1886 | Sacramento | California League | Sacramento, CA | |||
| Buck West | west--001buc | 1886 | 5/8-9/21 | Oswego Starchboxes | International League | Oswego, NY | |
| Buck West | west--001buc | 1886 | 9/25-9/30 | Scranton Indians | Pennsylvania State Association | Scranton, PA | |
| Edward West | 1886 | 5/31-9/6 | Umpire | Int | , | ||
| Westerman | 1886 | +6/4+ | Baltimore Harlems | Independent | Baltimore, MD | ||
| Bob Westlake | westla001rob | 1886 | Steubenville | OhSt | Steubenville, OH | ||
| George Wetzell | wetzel001sho | 1886 | 5/14-6/5 | Utica Pent Ups | International League | Utica, NY | |
| George Wetzell | wetzel001sho | 1886 | Saratoga | Hudson River League | Saratoga, NY | ||
| George Wetzell | wetzel001sho | 1886 | 9/24-9/28 | Boston Blues | New England League | Boston, MA | |
| Weydig | weydig001--- | 1886 | 7/4-7/6 | New Orleans | Gulf League | New Orleans, LA | |
| Weydig | weydig001--- | 1886 | 9/5 | Acid Iron Earths | Gulf League | Mobile, AL | |
| Gus Weyhing | weyhin001aug | 1886 | 4/15-7/14 | Charleston Seagulls | Southern Association | Charleston, SC | |
| Harry Wheeler | wheele002har | 1886 | 5/1-10/1 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| Bobby Wheelock | wheelo001bob | 1886 | 5/1-10/2 | Portland | New England League | Portland, ME | |
| Lew Whistler | whistl002lew | 1886 | Alton | Independent | Alton, IL | ||
| H.W. Whitaker | whitak001h-- | 1886 | KenSq-Mohicans | Amat | , | ||
| H.W. Whitaker | whitak001h-- | 1886 | 9/18 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| William H.? Whitaker | 1886 | St. Louis Waltons | Independent | St. Louis, MO | |||
| Eddie Whitcomb | whitco001j-- | 1886 | +5/18-6/27 | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| White | white-042--- | 1886 | 9/5-9/6 | New Orleans | Gulf League | New Orleans, LA | |
| Bill White | white-003bil | 1886 | -10/14 | 135 g. | Louisville | American Association | Louisville, KY |
| Deacon White | white-002dea | 1886 | 124 g. | Detroit | National League | Detroit, MI | |
| J.A. White | white-006j-- | 1886 | 5/11-5/17 | Williamsport | Pennsylvania State Association | Williamsport, PA | |
| J.A. White | white-006j-- | 1886 | 5/25-6/12 | Umpire | PaSt | , | |
| Joe White | white-001joe | 1886 | Poughkeepsie | Hudson River League | Poughkeepsie, NY | ||
| M. White | white-003m-- | 1886 | New York Gorhams | Independent | New York, NY | ||
| Will White | white-019wil | 1886 | 3 g. | Cincinnati | American Association | Cincinnati, OH | |
| Milt Whitehead | whiteh001mil | 1886 | 4/15-6/10 | Memphis Grays | Southern Association | Memphis, TN | |
| Milt Whitehead | whiteh001mil | 1886 | +6/30-8/19 | Topeka Capitals | Western League | Topeka, KS | |
| Milt Whitehead | whiteh001mil | 1886 | Hastings | Independent | Hastings, NE | ||
| Guerdon Whiteley | whitel001gue | 1886 | 5/3- | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Guerdon Whiteley | whitel001gue | 1886 | -10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| Ed Whiting | whitin001ed- | 1886 | 5/4-5/29 | Providence Grays | Eastern League | Providence, RI | |
| Art Whitney | whitne002art | 1886 | 136 g. | Pittsburgh | American Association | Pittsburgh, PA | |
| Charles Whitney | whitne002cha | 1886 | 5/8-9/25 | Rochester Maroons | International League | Rochester, NY | |
| Jim Whitney | whitne001jim | 1886 | 67 g. | Kansas City | National League | Kansas City, MO | |
| Billy Whyte | whyte-000bil | 1886 | +7/21 | Cuban Giants | Independent | Cuban, | |
| G. Wild | wild--001g-- | 1886 | 5/1 | Bridgeport Giants | Eastern League | Bridgeport, CT | |
| Williams | 1886 | Richmond Henleys | Independent | Richmond, IN | |||
| Arthur Williams | willia004art | 1886 | , | ||||
| Charles Williams | willia015cha | 1886 | 4/16-8/30 | Atlanta Atlantas | Southern Association | Atlanta, GA | |
| Charles Williams | willia015cha | 1886 | Richmond Henleys | Independent | Richmond, IN | ||
| Clarence Williams | willia010cla | 1886 | +7/21-7/26+ | Cuban Giants | Independent | Cuban, | |
| Edward Williams | willia013edw | 1886 | 5/8-8/5 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Edward Williams | willia013edw | 1886 | Macon | Southern Association | Macon, GA | ||
| George Williams | willia008geo | 1886 | +7/26 | Cuban Giants | Independent | Cuban, | |
| George Williams | willia008geo | 1886 | York Monarchs | Independent | York, PA | ||
| Owen Williams | willia001owe | 1886 | 47 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| S. Williams | 1886 | Keokuk | West | Keokuk, IA | |||
| Wash Williams | willia001was | 1886 | 5/6-6/13+ | Oshkosh | Northwestern League | Oshkosh, WI | |
| Wash Williams | willia001was | 1886 | +6/27-7/19+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Wash Williams | willia001was | 1886 | 8/27-9/23 | Waterbury Brassmen | Eastern League | Waterbury, CT | |
| William Williams | 1886 | 5/10-5/12 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | ||
| William Williams | 1886 | 5/15-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | ||
| Ed Williamson | willia001ned | 1886 | 121 g. | Chicago | National League | Chicago, IL | |
| Charles Willis | willis005cha | 1886 | 5/4 | Brockton | New England League | Brockton, MA | |
| Charles Willis | willis005cha | 1886 | 5/14-7/13 | Haverhill | New England League | Haverhill, MA | |
| Charles Willis | willis005cha | 1886 | 7/24-8/4 | Lawrence | New England League | Lawrence, MA | |
| Charles Willis | willis005cha | 1886 | 8/13-10/2 | Boston Blues | New England League | Boston, MA | |
| Walt Wilmot | wilmot001wal | 1886 | 5/8-9/30 | St. Paul Freezers | Northwestern League | St. Paul, MN | |
| Wilson | wilson114--- | 1886 | Westfield | Independent | Westfield, CT | ||
| Henry Wilson | 1886 | Zanesville | Independent | Zanesville, OH | |||
| Parke Wilson | wilson001par | 1886 | Denver Mountain Lions | Western League | Denver, CO | ||
| Tug Wilson | wilson001tug | 1886 | 5/3- | Lynn/Newburyport Clamdiggers | New England League | Newburyport, MA | |
| Tug Wilson | wilson001tug | 1886 | -10/2 | Lynn/Newburyport Clamdiggers | New England League | Lynn, MA | |
| William Wilson | wilson034wil | 1886 | 5/10-5/12 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| William Wilson | wilson034wil | 1886 | 5/15-7/7 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | |
| George Winkelman | winkel001geo | 1886 | +6/4-6/12+ | Alexandria | Independent | Alexandria, VA | |
| George Winkelman | winkel001geo | 1886 | 6/21-7/31 | Lynchburg | Virginia League | Lynchburg, VA | |
| George Winkelman | winkel001geo | 1886 | 8/2 | 1 g. | Washington | National League | Washington, DC |
| Fred Wirth | wirth-002--- | 1886 | +8/14+ | Scranton Athletic | Independent | Scranton, PA | |
| Bill Wise | wise--001bil | 1886 | 7/17 | 1 g. | Washington | National League | Washington, DC |
| Sam Wise | wise--001sam | 1886 | 96 g. | Boston | National League | Boston, MA | |
| Chicken Wolf | wolf--001chi | 1886 | 130 g. | Louisville | American Association | Louisville, KY | |
| Wood | 1886 | Canandaigua | CNY | Canandaigua, NY | |||
| Wood | wood--025--- | 1886 | 7/3 | Rochester Maroons | International League | Rochester, NY | |
| Fred Wood | wood--001fre | 1886 | +4/23+ | U. of Toronto | College | , | |
| Fred Wood | wood--001fre | 1886 | 5/14-7/10 | Buffalo Bisons | International League | Buffalo, NY | |
| George Wood | wood--004geo | 1886 | 106 g. | Philadelphia | National League | Philadelphia, PA | |
| Pete Wood | wood--001pet | 1886 | +4/23+ | U. of Toronto | College | , | |
| Pete Wood | wood--001pet | 1886 | 5/14-7/12 | Buffalo Bisons | International League | Buffalo, NY | |
| Pete Wood | wood--001pet | 1886 | 7/29-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| William Wood | wood--012wil | 1886 | 5/13-5/20 | Brockton | New England League | Brockton, MA | |
| William Wood | wood--012wil | 1886 | 5/27-7/13 | Oswego Starchboxes | International League | Oswego, NY | |
| William Wood | wood--012wil | 1886 | 7/21-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Woodbury | 1886 | 1 g. | Sacramento | California League | Sacramento, CA | ||
| G. L. Worth | 1886 | Montgomery | Independent | Montgomery, AL | |||
| Jimmy Woulfe | woulfe001jim | 1886 | 5/9- | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Jimmy Woulfe | woulfe001jim | 1886 | 6/27,8/29 | Robert E. Lee's | Gulf League | New Orleans, LA | |
| Wright | 1886 | +6/12+ | Alexandria | Independent | Alexandria, VA | ||
| Harry Wright | wright004har | 1886 | Philadelphia | National League | Philadelphia, PA | ||
| J.E. Wright | wright004j-- | 1886 | Wheeling | Independent | Wheeling, WV | ||
| Rasty Wright | wright001ras | 1886 | 5/8-9/25 | Hamilton Clippers | International League | Hamilton, ON | |
| W. S. Wykoff | 1886 | 5/1-9/10 | Umpire | East | , | ||
| Henry Yaik | yaik--001hen | 1886 | Adrian | Independent | Adrian, MI | ||
| John Yeakle | yeakle000joh | 1886 | +6/4-6/12+ | Lynchburg | Independent | Lynchburg, VA | |
| John Yeakle | yeakle000joh | 1886 | 6/21-7/6 | Lynchburg | Virginia League | Lynchburg, VA | |
| Charles Yingling | yingli001cha | 1886 | Baltimore | Amat | Baltimore, MD | ||
| Charles Yingling | yingli001cha | 1886 | Paterson | s-p | Paterson, NJ | ||
| Joe Yingling | yingli001joe | 1886 | 5/28 | 1 g. | Washington | National League | Washington, DC |
| Joe Yingling | yingli001joe | 1886 | +8/5+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Joe Yingling | yingli001joe | 1886 | LaCrosse | Independent | LaCrosse, WI | ||
| Tom York | york--001tom | 1886 | 16 g. | MLB Umpire | American Association | , | |
| Tom York | york--001tom | 1886 | - 10/12 | 33 g. | MLB Umpire | National League | , |
| Young | young-017--- | 1886 | 7/18-7/19+ | Milwaukee Brewers | Northwestern League | Milwaukee, WI | |
| Young | young-004--- | 1886 | Lewiston Independents | Pennsylvania State Association | Lewiston, PA | ||
| Ben Young | young-002ben | 1886 | 4/17- | 15 g. | MLB Umpire | American Association | , |
| Ben Young | young-002ben | 1886 | 5/8-5/29 | Umpire | So | , | |
| Brigham Young | young-005j-- | 1886 | Winnipeg | Independent | Winnipeg, MB | ||
| William Young | young-010wil | 1886 | 6/21-7/31 | Norfolk | Virginia League | Norfolk, VA | |
| William Zay | zay---001wil | 1886 | 10/7 | 1 g. | Baltimore | American Association | Baltimore, MD |
| William Zecher | zecher001wil | 1886 | 5/10-6/1 | Lancaster Ironsides | Pennsylvania State Association | Lancaster, PA | |
| William Zecher | zecher001wil | 1886 | 6/5-9/22 | Altoona Mountain Cities | Pennsylvania State Association | Altoona, PA | |
| Henry Zeiher | zeiher001whi | 1886 | New York Casey | Independent | New York, NY | ||
| Henry Zeiher | zeiher001whi | 1886 | 6/?-7/5 | 6 g. | Washington | National League | Washington, DC |
| Harry Zell | zell--001har | 1886 | 32 g. | Guellph Maple Leafs | Independent | Guellph, ON | |
| Zimmer | zimmer019--- | 1886 | +6/29+ | Richmond | Virginia League | Richmond, VA | |
| Charles Zimmer | zimmer001cha | 1886 | 43 g. | Poughkeepsie | Hudson River League | Poughkeepsie, NY | |
| Charles Zimmer | zimmer001cha | 1886 | 6 g. | New York | American Association | New York, NY | |
| Zingley | zingle001--- | 1886 | +7/19-7/31+ | Minneapolis Millers | Northwestern League | Minneapolis, MN | |
| Frank Zinn | zinn--001fra | 1886 | Meriden Silvermen | Eastern League | Meriden, CT | ||
| Frank Zinn | zinn--001fra | 1886 | Philadelphia Manayunk | Independent | Philadelphia, PA |