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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O, Sung-tae | RP | Washington Generals | 23 | 12/15/2019 | Seoul | KOR | Left | Left | 5' 11" | 175 lbs | - |
| O'Halloran, Mike | 3B | Pontiac Godfathers | 24 | 04/15/2018 | Bellflower | USA | Right | Right | 6' 0" | 205 lbs | - |
| O'Neal, Jim | 2B | Niagara Falls Expos | 21 | 03/25/2021 | Colton | USA | Right | Right | 6' 0" | 175 lbs | - |
| Odilia, Jesús | SS | Niagara Falls Expos | 21 | 12/05/2021 | Cotuí | DOM | Right | Right | 6' 1" | 180 lbs | - |
| Oilvares, Carlos | RP | Delaware 1787 BC | 22 | 10/08/2020 | Curridabat | CRC | Right | Right | 5' 11" | 175 lbs | - |
| Oistrah, Romochka | SP | Belleville Bulls | 24 | 08/15/2018 | Slyudyanka | RUS | Right | Left | 5' 11" | 165 lbs | - |
| Orioli, Louis | RP | Washington Generals | 22 | 04/02/2020 | Santa Cruz | ARG | Switch | Right | 6' 2" | 200 lbs | - |
| Orozco, António | LF | Laredo Hawks | 18 | 01/23/2024 | Rodas | CUB | Right | Right | 6' 2" | 180 lbs | - |
| Ortega, Jorge | SP | Mancelona Torch | 21 | 11/18/2021 | Santiago | DOM | Left | Left | 6' 0" | 190 lbs | - |
| Ozawa, Kyuichi | SP | Belleville Bulls | 21 | 05/10/2021 | Kashiba | JPN | Right | Right | 6' 4" | 185 lbs | - |
