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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Brien, R.J. | LF | Free Agent | 35 | 04/18/2012 | Danbury | USA | Left | Left | 6' 2" | 200 lbs | - |
| O'Connor, Jared | 3B | Kansas City Royals | 25 | 07/23/2022 | Toledo | USA | Switch | Right | 6' 0" | 190 lbs | $675,000 |
| O'Connor, Josh | SP | Free Agent | 17 | 03/14/2030 | New York | USA | Left | Right | 6' 3" | 180 lbs | - |
| O'Reilly, Rick | CF | Cleveland Guardians | 26 | 12/28/2020 | Toronto | CAN | Right | Right | 6' 2" | 200 lbs | $675,000 |
| Oakes, Eric | RP | Chicago Cubs | 27 | 10/30/2020 | Mitchellville | USA | Right | Right | 6' 5" | 200 lbs | $3,520,000 |
| Ody, Adam | RP | San Francisco Giants | 26 | 04/16/2021 | Raleigh | USA | Left | Left | 6' 5" | 200 lbs | $675,000 |
| Ogle, Nick | DH | Cleveland Guardians | 25 | 08/28/2022 | Flora | USA | Right | Right | 6' 4" | 200 lbs | $675,000 |
| Ogren, Bill | RP | Colorado Rockies | 26 | 12/10/2021 | DeFuniak Springs | USA | Right | Left | 6' 2" | 200 lbs | $1,200,000 |
| Ohmer, Austin | CF | Montreal Expos | 25 | 07/17/2022 | St. Joseph | USA | Left | Right | 5' 10" | 190 lbs | $8,125,000 |
| Ohnn, Young-kwang | C | Seattle Mariners | 29 | 05/04/2018 | Incheon | KOR | Right | Right | 6' 0" | 200 lbs | $2,100,000 |
| Olsen, Mike | CF | Free Agent | 18 | 12/17/2029 | Dent | USA | Left | Left | 6' 2" | 175 lbs | - |
| Ono, Shigeru | LF | Houston Astros | 24 | 04/22/2023 | Okinawa | JPN | Left | Left | 5' 11" | 195 lbs | - |
| Ornelas, Tomas | CF | Free Agent | 17 | 03/03/2030 | Bajos de Haina | DOM | Left | Right | 6' 5" | 195 lbs | - |
| Ortega, Rich | RP | Free Agent | 38 | 08/27/2009 | La Vega | DOM | Right | Right | 6' 0" | 200 lbs | - |
| Ortiz, Tony | SP | Free Agent | 17 | 05/30/2030 | Terrell | USA | Right | Right | 5' 11" | 165 lbs | - |
| Orton, Ward | SS | Free Agent | 17 | 04/21/2030 | Vancouver | CAN | Right | Right | 6' 2" | 175 lbs | - |
| Osuna, Bellchior | C | Chicago White Sox | 17 | 06/01/2030 | Petare | VEN | Right | Right | 6' 3" | 200 lbs | - |
| Ottinger, Corey | 2B | Seattle Mariners | 33 | 11/06/2014 | Madison | USA | Right | Right | 6' 2" | 200 lbs | $1,400,000 |
| Ou-yang, Zhi-bin | 2B | Miami Marlins | 35 | 12/19/2012 | Kaohsiung | TPE | Right | Right | 6' 1" | 200 lbs | $3,000,000 |
| Ovens-Toots, Kevin | SP | Texas Rangers | 26 | 05/27/2021 | Lake Charles | USA | Right | Right | 6' 1" | 185 lbs | $22,000,000 |
| Overbeek, Jack | SP | Minnesota Twins | 31 | 03/13/2016 | Tytsjerksteradiel | NED | Right | Right | 6' 6" | 200 lbs | $5,700,000 |
| Overlie, Justin | RP | New York Mets | 23 | 02/20/2024 | Salt Lake City | USA | Right | Right | 5' 11" | 180 lbs | $675,000 |
| Owens, John | RP | Free Agent | 27 | 07/21/2020 | Norristown | USA | Right | Right | 6' 3" | 200 lbs | - |
| Oxenrider, Alan | 3B | Chicago Cubs | 34 | 11/14/2013 | Lyman | USA | Right | Right | 6' 2" | 200 lbs | $3,160,000 |
