| Player | Year | LG | Pick | Team |
|---|---|---|---|---|
| O | ||||
| Ottavino,A | 2024 | ML | 161 | Ramrods |
| Otto,G | 2023 | ML | 248 | Road Runners |
| Outman,J* | 2014 | NL | 181 | Knights |
| Outman,J* | 2024 | ML | 17 | Keltic Warpigs |
| Overbay,L* | 2015 | NL | 163 | Knights |
| Owings,C | 2014 | NL | 113 | Insaneddy |
| Owings,C | 2016 | NL | 104 | Jaybirds |
| Owings,C | 2018 | NL | 127 | Jabberwocky |
| Ozuna,M | 2014 | NL | 34 | Wizards |
| Ozuna,M | 2024 | ML | 66 | Rampage |