| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary | | Jackson, Yancy | 2B | Hartford Hawks | 29 | 11/28/1857 | Pelham | CAN | Switch | Right | 5' 9" | 150 lbs | - | | Jacobs, George | RP | Free Agent | 27 | 07/04/1860 | Ames | USA | Right | Right | 5' 10" | 190 lbs | - | | Jacoby, Gus | C | Buffalo Bluebirds | 23 | 02/04/1864 | Jersey City | USA | Switch | Right | 6' 0" | 190 lbs | - | | Jemes, Sam | 1B | Free Agent | 26 | 12/02/1860 | Sunnyvale | USA | Right | Right | 5' 10" | 190 lbs | - | | Jenkins, Carpetbagger | 3B | Buffalo Bluebirds | 30 | 05/13/1857 | Brooklyn | USA | Left | Left | 5' 11" | 185 lbs | - | | Jenks, Billy | RF | Hartford Hawks | 31 | 07/12/1856 | Omaha | USA | Left | Right | 6' 0" | 165 lbs | - | | Jennings, James | 3B | Scranton Anthracites | 24 | 11/30/1862 | Brooklyn | USA | Right | Right | 5' 10" | 190 lbs | - | | Jensen, James | C | Free Agent | 27 | 01/29/1860 | Owensboro | USA | Right | Right | 5' 10" | 190 lbs | - | | Johns, Milt | RP | Providence Planters | 25 | 05/05/1862 | Millbrook | USA | Right | Right | 5' 9" | 185 lbs | - | | Jones, Mickey | 1B | Albany Dutchmen | 21 | 09/05/1866 | Lowell | USA | Switch | Right | 5' 8" | 170 lbs | - | | Joy, Bob | SP | Albany Dutchmen | 23 | 12/07/1863 | Lincoln | USA | Right | Right | 5' 8" | 160 lbs | - | |