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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Neil, Dave | SP | D.C. Divided | 33 | 06/02/2016 | Canton | USA | Right | Left | 6' 1" | 195 lbs | $280,000 |
| Odilia, Jesús | SS | Thunder Bay Northern Lions BC | 28 | 12/05/2021 | Cotuí | DOM | Right | Right | 6' 1" | 200 lbs | $410,000 |
| Ohayashi, Koryusai | LF | Las Vegas Flamingos | 30 | 04/26/2019 | Tomakomai | JPN | Switch | Right | 6' 4" | 200 lbs | $13,000,000 |
| Ohm, Jae-woo | LF | Oakland Oaks | 31 | 12/05/2018 | Gongju | KOR | Switch | Right | 6' 8" | 220 lbs | $17,750,000 |
| Ornelas, Luis | RP | Buckhead Bowties | 26 | 10/27/2023 | Corralillo | CUB | Left | Left | 6' 4" | 200 lbs | $280,000 |
| Otani, Tsugahara | 2B | Nashville Outlaws | 24 | 11/03/2025 | Hirosaki | JPN | Left | Right | 6' 2" | 200 lbs | $280,000 |
| Ou-yang, Wing-kit | CF | Pittsburgh Kingfishers | 31 | 07/05/2018 | Taipei | TPE | Left | Right | 6' 1" | 195 lbs | $5,000,000 |
| Oudin, Bastien | SS | Pittsburgh Kingfishers | 29 | 03/14/2020 | Port-au-Prince | HAI | Right | Right | 6' 1" | 195 lbs | $280,000 |
| Overdevest, Conrad | RF | Thunder Bay Northern Lions BC | 28 | 05/14/2021 | Willemstad | CUR | Left | Left | 6' 1" | 200 lbs | $280,000 |
| Owens, Jake | SP | Nashville Outlaws | 25 | 10/23/2024 | New Hope | USA | Switch | Right | 6' 1" | 185 lbs | $280,000 |
