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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Neil, Dave | RP | Seattle Rocketeers | 23 | 06/02/2016 | Canton | USA | Right | Left | 6' 1" | 195 lbs | $280,000 |
| Obezo, Octávio | CF | Cleveland Browns | 17 | 05/14/2022 | Santo Domingo | DOM | Left | Left | 5' 9" | 155 lbs | - |
| Ocasio, José | 1B | Panama City Piranhas | 25 | 05/13/2014 | Villa Altagracia | DOM | Left | Left | 6' 9" | 255 lbs | $280,000 |
| Ohayashi, Koryusai | CF | Brooklyn Dodgers | 20 | 04/26/2019 | Tomakomai | JPN | Switch | Right | 6' 4" | 190 lbs | $280,000 |
| Oilvares, Carlos | SP | Buffalo White Walkers | 19 | 10/08/2020 | Curridabat | CRC | Right | Right | 5' 11" | 170 lbs | - |
| Okubo, Kimi | 2B | D.C. Divided | 26 | 01/11/2013 | Kamojima | JPN | Right | Right | 6' 0" | 185 lbs | $3,470,000 |
| Oquendo, Marcos | RP | Toledo Stingers | 34 | 05/29/2005 | Matamoros | MEX | Right | Right | 6' 0" | 215 lbs | $6,600,000 |
| Oropeza, Luis | RP | Houston 1837 BBC | 30 | 04/03/2009 | Santa Ana | SLV | Left | Left | 6' 1" | 185 lbs | $280,000 |
| Orosco, Félix | C | Cleveland Browns | 16 | 02/04/2023 | San Miguel | CRC | Right | Right | 5' 9" | 170 lbs | - |
| Oskamp, Pim | SS | Montana Pandas | 16 | 09/02/2023 | Willemstad | CUR | Right | Right | 6' 0" | 160 lbs | - |
| Otero, Jorge | SP | Mississippi Mockingbirds | 32 | 08/06/2007 | Vado | USA | Left | Right | 6' 2" | 205 lbs | $20,700,000 |
| Overshown, DeMarvion | DH | Montana Pandas | 26 | 02/24/2013 | San Antonio | USA | Left | Left | 6' 6" | 235 lbs | $280,000 |
| Ozawa, Kyuichi | SP | Kingston Township Knights | 18 | 05/10/2021 | Kashiba | JPN | Right | Right | 6' 3" | 185 lbs | - |
| Ozezera, Jorge | 1B | Kingston Township Knights | 26 | 07/25/2013 | Queens | USA | Right | Right | 6' 4" | 240 lbs | $280,000 |
