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| J |
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Jackson, Brian | C | Athens Assassins | 23 | 12/28/1995 | Kannapolis | USA | Right | Right | 6' 3" | 225 lbs | - |
| Jackson, David | SP | Athens Assassins | 24 | 07/25/1994 | Buena Vista | USA | Left | Left | 6' 3" | 215 lbs | - |
| Jackson, Jake | SP | Pensacola Pilots | 24 | 06/30/1994 | Raleigh | USA | Left | Left | 6' 0" | 225 lbs | - |
| Jackson, Shawn | MR | Free Agent | 31 | 10/20/1987 | Morehead City | USA | Right | Right | 6' 8" | 211 lbs | - |
| Jacobs, Joey | 1B | Dunedin Blue Jays | 26 | 12/22/1992 | Rotterdam | NED | Right | Right | 5' 11" | 150 lbs | - |
| Johnson, Eric | CF | State College Spikes | 23 | 09/28/1995 | Palmdale | USA | Right | Right | 6' 0" | 185 lbs | - |
| Johnson, Glenn | 2B | Pensacola Pilots | 20 | 01/15/1998 | Jackson | USA | Right | Right | 6' 1" | 205 lbs | - |
| Johnston, Jerry | C | Athens Assassins | 24 | 06/18/1994 | Newton | USA | Left | Right | 6' 0" | 185 lbs | - |
| Jones, Chris | SP | Nantucket Orcas | 21 | 11/13/1997 | Columbus | USA | Right | Right | 6' 0" | 220 lbs | - |
| Jones, Forrest | MR | Free Agent | 26 | 10/18/1992 | Back Mountain | USA | Switch | Right | 6' 2" | 185 lbs | - |
| Jones, Mel | LF | Pensacola Pilots | 19 | 05/15/1999 | Clark | USA | Left | Left | 5' 11" | 165 lbs | - |
| Jones, Paul | LF | Free Agent | 26 | 11/09/1992 | Sunrise Manor | USA | Left | Left | 6' 1" | 195 lbs | - |
| Juárez, Vicente | MR | Free Agent | 25 | 01/10/1993 | Ixtapaluca | MEX | Switch | Right | 6' 3" | 215 lbs | - |
| Justice, Adam | SS | Pensacola Pilots | 21 | 12/19/1997 | New Berlin | USA | Right | Right | 6' 2" | 195 lbs | - |
