| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|
| O'Brian, Curt | CF | Nantucket Orcas | 20 | 06/16/2009 | Lees Summit | USA | Right | Right | 6' 2" | 185 lbs | - | | Oglethorpe, Dean | 2B | Scottsdale Scorpions | 22 | 07/24/2007 | Gulfport | USA | Right | Right | 6' 0" | 175 lbs | - | | Okawa, Takuro | RF | Detroit Dirty Snow | 20 | 04/05/2009 | Kobe | JPN | Right | Right | 6' 4" | 200 lbs | - | | Olhoa, Manny | CF | Athens Assassins | 21 | 12/31/2008 | Santiago | DOM | Right | Left | 6' 0" | 180 lbs | - | | Olivarez, Alberto | RP | Kenosha Kingfish | 21 | 08/29/2008 | Barinas | VEN | Right | Right | 6' 2" | 185 lbs | - | | Oliver, Roger | SP | Scottsdale Scorpions | 22 | 10/15/2007 | North Charleston | USA | Left | Right | 6' 0" | 175 lbs | - | | Omwancha, Yalew | SP | Savannah Hogs | 20 | 02/27/2009 | Tembisa | RSA | Left | Right | 6' 3" | 195 lbs | - | | Ontiveros, Ricardo | SS | Nantucket Orcas | 23 | 09/12/2006 | San José de las Matas | DOM | Right | Right | 6' 2" | 205 lbs | - | | Orsi, Firmino | RP | El Paso Texans | 24 | 04/17/2005 | Ciudad Guayana | VEN | Left | Right | 6' 6" | 205 lbs | - | | Ortega, Luis | RP | Nantucket Orcas | 19 | 11/06/2010 | Santo Domingo | DOM | Right | Right | 6' 2" | 180 lbs | - | | Ortíz, Wilson | C | Savannah Hogs | 21 | 02/18/2008 | Puerto Plata | DOM | Right | Right | 6' 2" | 190 lbs | - | | Otero, Roberto | 2B | Athens Assassins | 18 | 06/15/2011 | Acarigua | VEN | Right | Right | 5' 11" | 170 lbs | - |
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