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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Day, Rickey | RP | Hamilton Coyotes | 29 | 12/08/2011 | East Lake | USA | Left | Right | 6' 5" | 235 lbs | $280,000 |
| O'Halloran, Bill | C | Ellenburg Fighting Dachsunds | 28 | 07/21/2012 | Raleigh | USA | Left | Right | 6' 1" | 235 lbs | - |
| O'Neal, Lawrence | 1B | Milton Dogfish Head | 26 | 08/09/2014 | Bensenville | USA | Right | Right | 6' 2" | 220 lbs | - |
| O'Neil, Mike | C | Pawnee ParksNRec | 27 | 12/22/2013 | West Jordan | USA | Left | Right | 6' 4" | 230 lbs | - |
| O'Toole, Ricky | RP | Milton Dogfish Head | 34 | 11/22/2006 | Detroit | USA | Right | Right | 6' 0" | 195 lbs | $280,000 |
| Obra, Marvello | 1B | Plymouth Rocks | 30 | 11/28/2010 | Cagayan | PHI | Left | Left | 6' 1" | 230 lbs | $280,000 |
| Ocasio, José | 1B | Milton Dogfish Head | 26 | 05/13/2014 | Villa Altagracia | DOM | Left | Left | 6' 9" | 260 lbs | $280,000 |
| Ohashi, Hiroshige | 2B | Pawnee ParksNRec | 22 | 01/11/2018 | Tokyo | JPN | Right | Right | 6' 4" | 200 lbs | - |
| Oliva, Richello | 3B | Augusta Timber Hawks | 27 | 06/19/2013 | Manila | PHI | Right | Right | 6' 0" | 195 lbs | - |
| Opsteegh, Falco | RF | Salt Lake City Buzz | 26 | 06/30/2014 | Willemstad | CUR | Right | Right | 6' 0" | 195 lbs | - |
| Oram, Dylan | SS | Hamilton Coyotes | 27 | 12/16/2013 | Corozal | BLZ | Right | Right | 6' 5" | 210 lbs | - |
| Orlovsky, Sasha | CF | Pennsauken Flyers | 26 | 06/29/2014 | Sulphur | USA | Right | Right | 6' 2" | 200 lbs | - |
| Ortíz, Jorge | RF | Hartford Pride | 27 | 05/17/2013 | La Victoria | VEN | Left | Left | 6' 4" | 225 lbs | - |
