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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Tracy, Mike | CL | Rotterdam Rams | 33 | 03/10/2011 | Metairie | USA | Right | Right | 5' 8" | 185 lbs | $765,800 |
| Ohayashi, Masato | C | Rotterdam Rams | 30 | 02/01/2014 | Ueda | JPN | Switch | Right | 6' 1" | 245 lbs | $50,000 |
| Ono, Masayoshi | CF | London Monarchs | 34 | 06/15/2010 | Wako | JPN | Left | Left | 6' 0" | 190 lbs | $5,900,000 |
| Oprel, Lance | 2B | Brescia Stallions | 28 | 03/20/2016 | Angerlo | NED | Switch | Right | 6' 2" | 225 lbs | $50,000 |
| Oristano, Costantino | SP | Milan Reds | 23 | 10/07/2021 | Colleferro | ITA | Right | Right | 6' 0" | 190 lbs | - |
| Ortega, Roberto | MR | Rotterdam Rams | 32 | 11/02/2012 | Santo Domingo | DOM | Switch | Left | 6' 3" | 270 lbs | $75,000 |
| Orton, Gil | MR | Stuttgart Ravens | 35 | 12/17/2008 | Montreal | CAN | Left | Right | 5' 11" | 225 lbs | $50,000 |
| Owens, Denny | SS | London Monarchs | 33 | 06/18/2011 | Bessemer | USA | Switch | Right | 6' 2" | 210 lbs | $2,240,000 |
