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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Quinn, Dave | RP | Nashville Hot Chickens | 29 | 10/30/2022 | Farmington | USA | Right | Right | 5' 10" | 190 lbs | - |
| Ocampo, Arabello | 2B | Plymouth Rocks | 20 | 10/10/2031 | Davao | PHI | Left | Right | 5' 11" | 170 lbs | - |
| Ogasahara, Tadasu | LF | Nashville Hot Chickens | 27 | 10/13/2024 | Sendai | JPN | Left | Left | 6' 2" | 205 lbs | $550,000 |
| Oliver, Hambleton | RF | Port Royal Disaster | 26 | 12/22/2025 | Crescent City North | USA | Left | Left | 6' 0" | 200 lbs | - |
| Onishi, Yasuhiko | C | Free Agent | 35 | 02/13/2016 | Kushiro | JPN | Switch | Right | 5' 11" | 200 lbs | - |
| Organito, José | RF | Sioux Falls Red Pandas | 24 | 06/18/2027 | La Romana | DOM | Left | Left | 6' 0" | 185 lbs | - |
| Ornelas, Luis | RP | Florida Men | 28 | 10/27/2023 | Corralillo | CUB | Left | Left | 6' 4" | 200 lbs | $410,000 |
| Ortega, Jorge | SP | Florida Men | 30 | 11/18/2021 | Santiago | DOM | Left | Left | 6' 0" | 205 lbs | - |
| Otani, Tsugahara | 2B | Nashville Hot Chickens | 26 | 11/03/2025 | Hirosaki | JPN | Left | Right | 6' 2" | 200 lbs | $2,514,000 |
