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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Connor, Gabe | RP | Free Agent | 36 | 09/08/2005 | Martinsville | USA | Right | Right | 6' 1" | 190 lbs | - |
| O'Keeffe, Dan | SP | New York Empire | 34 | 09/04/2007 | Greeley | USA | Right | Left | 6' 4" | 200 lbs | $15,600,000 |
| Ochoa, Peter | LF | Brooklyn Knights | 36 | 10/08/2005 | Guarenas | VEN | Right | Right | 6' 2" | 200 lbs | $20,000,000 |
| Ochoa, Vinny | RP | Dublin Porters | 19 | 08/05/2022 | El Vigía | VEN | Right | Right | 6' 4" | 185 lbs | - |
| Ogden, Jon | RP | Los Angeles Kings | 31 | 03/03/2010 | Sour Lake | USA | Right | Right | 6' 7" | 205 lbs | $1,260,000 |
| Olivarez, Bobby | 1B | New York Empire | 20 | 09/18/2021 | Bayamo | CUB | Right | Right | 6' 4" | 200 lbs | - |
| Olivas, Marcos | C | Hanoi Dragon Warriors | 31 | 02/08/2011 | Santo Domingo | DOM | Switch | Right | 6' 1" | 200 lbs | $545,000 |
| Olmos, Diego | SP | San Antonio Aztecs | 16 | 04/14/2025 | Higüey | DOM | Switch | Right | 6' 1" | 170 lbs | - |
| Olveda, Nick | 2B | Detroit Pizzas | 24 | 11/21/2017 | New York | USA | Left | Right | 6' 3" | 205 lbs | $545,000 |
| Orama, Nelson | SP | Detroit Pizzas | 17 | 10/23/2024 | Caracas | VEN | Left | Right | 6' 4" | 190 lbs | - |
| Orozco, Tony | C | Los Angeles Kings | 17 | 09/17/2024 | Santo Domingo | DOM | Switch | Right | 6' 4" | 195 lbs | - |
| Orr, Mike | SP | Saskatchewan 92's | 33 | 01/01/2009 | San Antonio | USA | Left | Left | 6' 2" | 200 lbs | $3,035,500 |
| Ortega, Carlos | RF | San Antonio Aztecs | 19 | 07/16/2022 | Santiago | DOM | Left | Left | 6' 3" | 180 lbs | - |
| Ortiz, Danny | RP | St. Louis Archies | 18 | 09/10/2023 | San Pedro de Macorís | DOM | Left | Left | 5' 11" | 165 lbs | - |
| Ortiz, Frank | SP | New York Empire | 16 | 07/31/2025 | Santo Domingo | DOM | Right | Right | 6' 2" | 175 lbs | - |
| Osburn, Mike | C | San Antonio Aztecs | 31 | 10/16/2010 | Houma | USA | Right | Right | 6' 6" | 205 lbs | $545,000 |
| Osorio, Jose | 3B | Free Agent | 31 | 05/31/2010 | Orem | USA | Right | Right | 6' 0" | 200 lbs | - |
| Ough, Kent | CF | Sudbury Blueberry Bulldogs | 32 | 06/07/2009 | Sunshine Coast | AUS | Left | Left | 6' 2" | 200 lbs | $2,420,000 |
| Ovalle, Ismael | SP | Dublin Porters | 18 | 02/03/2024 | Santo Domingo | DOM | Right | Right | 6' 2" | 175 lbs | - |
