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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Neil, Dave | SP | Seattle Rocketeers | 24 | 06/02/2016 | Canton | USA | Right | Left | 6' 1" | 195 lbs | $280,000 |
| Ohayashi, Koryusai | CF | Brooklyn Dodgers | 21 | 04/26/2019 | Tomakomai | JPN | Switch | Right | 6' 4" | 190 lbs | $280,000 |
| Okubo, Kimi | 2B | D.C. Divided | 27 | 01/11/2013 | Kamojima | JPN | Right | Right | 6' 0" | 185 lbs | $4,470,000 |
| Om, Jae-keol | SS | Mississippi Mockingbirds | 17 | 11/11/2023 | Pohang | KOR | Right | Right | 6' 1" | 180 lbs | - |
| Orlebar, Gerald | SP | Montana Pandas | 26 | 04/07/2014 | Kingston | JAM | Left | Left | 6' 2" | 205 lbs | $4,390,000 |
| Oropeza, Luis | RP | Houston 1837 BBC | 31 | 04/03/2009 | Santa Ana | SLV | Left | Left | 6' 1" | 190 lbs | $280,000 |
| Orosco, Félix | C | Cleveland Browns | 17 | 02/04/2023 | San Miguel | CRC | Right | Right | 5' 9" | 165 lbs | - |
| Oskamp, Pim | SS | Montana Pandas | 17 | 09/02/2023 | Willemstad | CUR | Right | Right | 6' 1" | 165 lbs | - |
| Overshown, DeMarvion | DH | Montana Pandas | 27 | 02/24/2013 | San Antonio | USA | Left | Left | 6' 6" | 240 lbs | $2,440,000 |
| Ozawa, Kyuichi | SP | Kingston Township Knights | 19 | 05/10/2021 | Kashiba | JPN | Right | Right | 6' 4" | 185 lbs | - |
| Ozezera, Jorge | 1B | Kingston Township Knights | 27 | 07/25/2013 | Queens | USA | Right | Right | 6' 4" | 245 lbs | $280,000 |
