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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jackson, Prince Michael | SP | Nashville Outlaws | 31 | 04/06/2006 | Columbus | USA | Left | Left | 6' 2" | 220 lbs | $700,000 |
| Janssens, Maxime | SP | Northern Virginia Rainbow Mermaids | 31 | 02/05/2006 | Aarschot | BEL | Left | Left | 6' 2" | 200 lbs | $6,500,000 |
| Japón, Júlio | SP | Toledo Stingers | 17 | 04/18/2020 | Santo Domingo | DOM | Switch | Right | 6' 1" | 175 lbs | - |
| Jaramillo, Nelson | SS | San Mateo Dirty Reds | 29 | 04/15/2008 | Panama | PAN | Right | Right | 6' 1" | 200 lbs | $3,500,000 |
| Jen, Chua chay | CF | Oakland Oaks | 17 | 08/05/2020 | Ilan | TPE | Left | Right | 6' 0" | 165 lbs | - |
| Jermy, Leon | C | Thunder Bay Northern Lions BC | 16 | 02/11/2021 | St. Ann's Bay | JAM | Right | Right | 6' 0" | 180 lbs | - |
| Jianbua, Baio | 3B | Free Agent | 30 | 09/29/2007 | Taitung | TPE | Left | Right | 6' 0" | 205 lbs | - |
| Johnson, George | 1B | Northern Virginia Rainbow Mermaids | 16 | 03/30/2021 | Santa Rita | GUM | Left | Left | 6' 0" | 190 lbs | - |
| Josse, Charles | 3B | Thunder Bay Northern Lions BC | 23 | 01/13/2014 | Montpellier | FRA | Right | Right | 6' 0" | 190 lbs | $280,000 |
| Joyner, Jack | SP | Nashville Outlaws | 28 | 11/18/2009 | Columbus | USA | Right | Right | 6' 2" | 205 lbs | $280,000 |
| Juárez, Jaime | CF | Houston 1837 BBC | 17 | 07/11/2020 | Flórida Paulista | BRA | Switch | Right | 6' 1" | 180 lbs | - |
| Juderías, Mariano | RF | Charleston Battery | 18 | 08/14/2019 | Santiago de Cuba | CUB | Right | Right | 6' 1" | 165 lbs | - |
