| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|
| O, Chan-seok | C | Indiana Hounds | 32 | 06/20/1997 | Ansan | KOR | Right | Right | 6' 0" | 225 lbs | - | | O'Day, Kyle | LF | Tuscaloosa Trout Slayers | 26 | 04/12/2003 | Irvine | USA | Right | Right | 5' 11" | 210 lbs | - | | O'Higgins, Alan | SP | Indiana Hounds | 24 | 06/05/2005 | Memphis | USA | Left | Right | 6' 7" | 225 lbs | - | | Oglethorpe, Mitchell | 1B | Utica Unicorns | 31 | 11/26/1998 | Plattsburg | USA | Left | Left | 6' 4" | 250 lbs | - | | Ohayashi, Yoshiaki | RF | Topeka Tornados | 34 | 02/16/1995 | Bizen | JPN | Left | Left | 6' 4" | 205 lbs | - | | Oike, Okura | SP | Free Agent | 35 | 11/20/1994 | Shiroyama | JPN | Right | Right | 6' 3" | 230 lbs | - | | Olivas, Felipe | SS | Trenton Stars | 31 | 01/08/1998 | Boise | USA | Right | Right | 5' 10" | 240 lbs | - | | Ontiveros, Ricardo | CL | Portland Privateers | 33 | 07/22/1996 | Río Grande | PUR | Right | Right | 6' 7" | 245 lbs | - | | Orozco, Javier | LF | Waba Ducks | 26 | 10/20/2003 | La Romana | DOM | Left | Left | 5' 10" | 190 lbs | - | | Orozco, Pedro | SP | Trenton Stars | 27 | 01/31/2002 | Maracaibo | VEN | Left | Left | 6' 4" | 210 lbs | - | | Ortega, José | 2B | Tuscaloosa Trout Slayers | 30 | 11/29/1999 | Bayamón | PUR | Right | Right | 6' 2" | 245 lbs | - | | Ortega, Manuel | LF | Chattanooga Chinpokomon | 33 | 10/11/1996 | Hyattsville | USA | Right | Right | 6' 2" | 210 lbs | - | | Ortíz, Domingo | RP | Free Agent | 34 | 12/30/1995 | Miami | USA | Switch | Right | 6' 1" | 230 lbs | - | | Osborn, Chris | RF | Waba Ducks | 34 | 07/29/1995 | New Orleans | USA | Right | Right | 6' 5" | 200 lbs | - | | Owens, Mark | 2B | Tuscaloosa Trout Slayers | 28 | 06/10/2001 | Pleasantville | USA | Left | Right | 6' 0" | 235 lbs | - |
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