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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Olheiser, Chris | C | Seattle (WIN) Mariners | 25 | 12/27/2022 | Shelby | USA | Right | Right | 6' 0" | 200 lbs | - |
| Oliveri, Evan | C | Washington (WIN) Nationals | 24 | 10/18/2023 | Kensington Park | USA | Left | Left | 6' 0" | 200 lbs | - |
| Oliynyk, Matviy | 3B | Asheville Tourists | 22 | 04/23/2025 | Lutsk | UKR | Right | Right | 6' 8" | 225 lbs | - |
| Oropeza, Angel | RF | Chicago (WIN) Cubs | 21 | 08/05/2026 | San Antonio | USA | Left | Left | 6' 6" | 205 lbs | - |
| Orosco, Omar | RP | Atlanta (WIN) Braves | 23 | 05/01/2024 | Calexico | USA | Right | Right | 6' 4" | 205 lbs | - |
| Orphan, Matthew | SP | Kansas City (WIN) Royals | 23 | 02/13/2024 | Hillsborough | USA | Right | Right | 6' 2" | 200 lbs | - |
| Osborn, Tim | 2B | New York (WIN) Yankees | 24 | 07/07/2023 | Taber | CAN | Right | Right | 5' 11" | 190 lbs | - |
| Osborne, Harry | SP | Washington (WIN) Nationals | 24 | 10/04/2023 | Trois-Rivières | CAN | Left | Left | 6' 6" | 205 lbs | - |
| Osgood, Mike | RP | Arizona (WIN) Diamondbacks | 22 | 11/01/2025 | Detroit | USA | Left | Right | 6' 5" | 205 lbs | - |
| Osting, Chris | LF | Asheville Tourists | 23 | 08/14/2024 | North Creek | USA | Right | Right | 6' 2" | 200 lbs | - |
