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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| James, Kenny | RP | Pittsburgh Kingfishers | 27 | 06/29/2014 | Aurora | USA | Left | Left | 6' 4" | 205 lbs | $280,000 |
| Jang-Yop, An | SP | Toledo Stingers | 36 | 11/17/2005 | Unknown | KOR | Left | Left | 6' 1" | 210 lbs | $4,000,000 |
| Jesus, Gastão | SP | Echo Park Lakers | 16 | 08/26/2025 | Matelândia | BRA | Switch | Right | 6' 8" | 205 lbs | - |
| Jia, Tak-wai | C | Oakland Oaks | 27 | 08/30/2014 | Hsinchu | TPE | Right | Right | 6' 4" | 225 lbs | $280,000 |
| Jiménez, Alberto | SP | Toledo Stingers | 17 | 04/18/2024 | Moyobamba | PER | Right | Right | 6' 1" | 175 lbs | - |
| Jing, Gong | SP | Kingston Township Knights | 18 | 04/21/2023 | Taitung | TPE | Right | Right | 6' 0" | 175 lbs | - |
| Jobse, Ger | SS | Echo Park Lakers | 26 | 12/24/2015 | Willemstad | CUR | Right | Right | 5' 11" | 190 lbs | $280,000 |
| Jolly, Dylan | SP | Athletic Club KC | 16 | 11/18/2025 | Adelaide | AUS | Left | Left | 6' 3" | 180 lbs | - |
| Jones, Johnny | C | Oakland Oaks | 24 | 07/12/2017 | Glenn Dale | USA | Right | Right | 5' 10" | 190 lbs | $280,000 |
| Jordan, Jasper | RP | Toledo Stingers | 29 | 11/12/2012 | Baltimore | USA | Right | Right | 6' 0" | 210 lbs | $420,000 |
| Joseon, Gojong | RP | Vancouver Grey Wolves | 33 | 10/02/2008 | Daegu | KOR | Right | Right | 6' 0" | 210 lbs | $575,000 |
| Joseph, Daniel | CF | Long Island Lighthouse | 26 | 06/29/2015 | Decatur | USA | Left | Left | 6' 0" | 180 lbs | $280,000 |
| Ju, Yun-fat | SP | Panama City Piranhas | 18 | 05/12/2023 | Chushan | TPE | Switch | Right | 6' 3" | 185 lbs | - |
| Juárez, Gilberto | 1B | Montana Pandas | 34 | 05/07/2007 | Vitoria | ESP | Right | Right | 6' 2" | 245 lbs | $280,000 |
