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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O, Cheong-sang | 2B | Free Agent | 23 | 08/12/2008 | Pusan | KOR | Right | Right | 6' 0" | 180 lbs | - |
| O, Gyu-hyun | CL | New Mexico Lobos | 19 | 11/30/2012 | Pusan | KOR | Right | Right | 6' 2" | 175 lbs | - |
| O, Min-hyuk | RP | UMBC Retrievers | 18 | 07/10/2014 | Taegu | KOR | Left | Left | 5' 11" | 150 lbs | - |
| O, Sang-keun | 1B | Stephen F. Austin Lumberjacks | 21 | 01/16/2011 | Pusan | KOR | Switch | Right | 6' 4" | 195 lbs | - |
| O'Brian, Roy | RP | Stephen F. Austin Lumberjacks | 19 | 05/14/2013 | Jackson | USA | Right | Right | 6' 1" | 180 lbs | - |
| O'Brian, Victor | SP | Nicholls State Colonels | 21 | 05/17/2011 | Jackson | USA | Left | Left | 6' 2" | 195 lbs | - |
| O'Brien, Cliff | LF | Free Agent | 25 | 12/28/2006 | Bell Gardens | USA | Left | Left | 6' 3" | 200 lbs | - |
| O'Brien, John | RF | Rice Owls | 17 | 12/02/2014 | Toronto | CAN | Left | Right | 6' 1" | 190 lbs | - |
| O'Brien, Lee | CL | UC Irvine Anteaters | 19 | 08/06/2012 | Bakersfield | USA | Right | Right | 6' 1" | 185 lbs | - |
| O'Brien, Paul | 2B | Xavier Musketeers | 20 | 01/14/2012 | Henderson | USA | Left | Right | 6' 4" | 195 lbs | - |
| O'connell, Damon | RP | Free Agent | 24 | 06/19/2008 | Sydney | AUS | Right | Right | 6' 1" | 195 lbs | - |
| O'Connoly, Donald | 1B | Free Agent | 26 | 05/23/2006 | Everett | USA | Left | Right | 6' 1" | 195 lbs | - |
| O'Connor, Donnie | LF | Arizona Wildcats | 18 | 03/24/2014 | Winter Gardens | USA | Right | Right | 6' 2" | 195 lbs | - |
| O'Connor, Pat | RP | Mississippi State Bulldogs | 19 | 02/18/2013 | Jacksonville | USA | Right | Right | 5' 10" | 165 lbs | - |
| O'Day, Calvin | LF | Rice Owls | 19 | 09/14/2012 | Abilene | USA | Switch | Left | 6' 4" | 195 lbs | - |
| O'Day, Robbie | CF | Arkansas State Red Wolves | 18 | 10/22/2013 | Beavercreek | USA | Right | Right | 6' 1" | 185 lbs | - |
| O'Day, Victor | SP | Nicholls State Colonels | 20 | 02/05/2012 | Pearland | USA | Left | Left | 5' 10" | 175 lbs | - |
| O'Dell, Jeff | RP | Rice Owls | 19 | 07/31/2013 | Springer | USA | Left | Left | 6' 0" | 175 lbs | - |
| O'Dell, Roland | RP | San Diego Toreros | 19 | 11/02/2012 | Mill Valley | USA | Right | Right | 6' 2" | 190 lbs | - |
| O'Donnell, Jayson | LF | Portland Pilots | 20 | 03/24/2012 | Sacramento | USA | Right | Right | 6' 2" | 200 lbs | - |
| O'Donnell, John | 3B | St. John's Red Storm | 19 | 06/08/2013 | Everett | USA | Left | Right | 6' 1" | 190 lbs | - |
| O'Farrell, Hugh | SP | Free Agent | 23 | 03/21/2009 | Hazelwood | USA | Right | Right | 5' 11" | 180 lbs | - |
| O'Farrell, Marc | RP | Free Agent | 22 | 06/30/2010 | San Jose | USA | Right | Right | 6' 2" | 195 lbs | - |
| O'Farrell, Steve | LF | Free Agent | 21 | 09/05/2010 | Billings | USA | Left | Left | 6' 3" | 195 lbs | - |
| O'flaherty, Stefan | RP | Northern Colorado Bears | 18 | 05/17/2014 | Melbourne | AUS | Switch | Right | 6' 2" | 170 lbs | - |
| O'Halligan, Clifford | C | Free Agent | 23 | 12/30/2008 | Reynoldsburg | USA | Right | Right | 6' 0" | 195 lbs | - |
| O'Halloran, Sidney | RP | Mississippi State Bulldogs | 20 | 09/17/2011 | Douglasville | USA | Right | Right | 6' 3" | 195 lbs | - |
| O'Herlihy, Andy | RP | Indiana State Sycamores | 19 | 09/23/2012 | Rockford | USA | Left | Left | 6' 7" | 200 lbs | - |
| O'Herlihy, Jason | RP | Lamar Cardinals | 19 | 06/02/2013 | Dallas | USA | Right | Left | 6' 3" | 185 lbs | - |
| O'Herlihy, Sam | 2B | San Diego Toreros | 19 | 02/03/2013 | Fresno | USA | Right | Right | 5' 9" | 165 lbs | - |
| O'Higgins, Quinn | SS | Free Agent | 26 | 07/28/2006 | Guthrie | USA | Right | Right | 6' 0" | 200 lbs | - |
| O'Keenan, Jay | LF | Air Force Falcons | 19 | 10/29/2012 | Chinle | USA | Right | Right | 6' 3" | 195 lbs | - |
| O'Laverty, Matt | 1B | UC Irvine Anteaters | 19 | 03/07/2013 | Los Angeles | USA | Left | Left | 6' 2" | 190 lbs | - |
| O'Madden, Charlie | RP | St. John's Red Storm | 18 | 01/11/2014 | Youngstown | USA | Switch | Right | 6' 1" | 180 lbs | - |
| O'Mahon, Mike | 1B | Free Agent | 24 | 08/25/2007 | Edgewood | USA | Right | Right | 6' 0" | 190 lbs | - |
| O'Monahan, Clyde | RF | San Francisco Dons | 19 | 12/31/2012 | Norwalk | USA | Left | Left | 6' 2" | 195 lbs | - |
| O'Moriarty, Pete | LF | UTRGV Vaqueros | 21 | 12/29/2010 | Kingsville | USA | Left | Left | 6' 1" | 210 lbs | - |
| O'Morrissey, John | C | Oklahoma State Cowboys | 21 | 05/23/2011 | San Antonio | USA | Right | Right | 6' 2" | 210 lbs | - |
| O'Mulgee, Nathan | RF | Albany Great Danes | 20 | 11/06/2011 | Fresno | USA | Left | Left | 6' 1" | 195 lbs | - |
| O'Neal, Brian | 3B | Connecticut Huskies | 19 | 07/15/2013 | Sterling | USA | Right | Right | 6' 1" | 190 lbs | - |
| O'Neal, Gerald | SS | Bradley Braves | 19 | 05/01/2013 | Kirkwood | USA | Right | Right | 6' 1" | 180 lbs | - |
| O'Neal, Ken | SP | UC Irvine Anteaters | 18 | 11/12/2013 | Apple Valley | USA | Right | Right | 6' 6" | 205 lbs | - |
| O'Neill, Brody | C | Free Agent | 26 | 04/03/2006 | Bakersfield | USA | Left | Right | 6' 2" | 200 lbs | - |
| O'Neill, David | RP | San Jose State Spartans | 19 | 06/07/2013 | San Jose | USA | Left | Left | 6' 1" | 180 lbs | - |
| O'Neill, Van | RF | Free Agent | 26 | 04/21/2006 | Los Angeles | USA | Left | Right | 6' 1" | 195 lbs | - |
| O'Neill, William | LF | South Alabama Jaguars | 19 | 11/01/2012 | Smyrna | USA | Right | Right | 6' 0" | 200 lbs | - |
| O'Quinn, Mike | 3B | Creighton Bluejays | 20 | 08/29/2011 | Grover Beach | USA | Right | Right | 5' 11" | 175 lbs | - |
| O'Quinn, Stephen | CF | Arizona State Sun Devils | 19 | 04/15/2013 | Palm Springs | USA | Right | Right | 6' 0" | 170 lbs | - |
| O'Quinn, Tom | 1B | Seattle Redhawks | 19 | 11/11/2012 | Portland | USA | Left | Right | 6' 2" | 200 lbs | - |
| O'Sexton, Artie | SP | Pepperdine Waves | 18 | 04/07/2014 | San Francisco | USA | Right | Right | 6' 1" | 175 lbs | - |
| O'Slattery, Rob | SP | Villanova Wildcats | 21 | 07/25/2011 | Anderson | USA | Left | Left | 6' 4" | 180 lbs | - |
| O'Sullivan, Stu | 1B | Southern Illinois Salukis | 19 | 07/15/2013 | Oklahoma City | USA | Left | Left | 6' 3" | 210 lbs | - |
| O'Sullivan, Travis | SP | San Jose State Spartans | 19 | 11/25/2012 | Florence | USA | Right | Left | 6' 4" | 195 lbs | - |
| O'Toole, Scott | RF | Evansville Purple Aces | 21 | 10/26/2010 | Greenville | USA | Left | Left | 6' 2" | 200 lbs | - |
| Obrenovic, Rade | C | Tennessee Volunteers | 20 | 09/30/2011 | Emporia | USA | Right | Right | 6' 2" | 195 lbs | - |
| Ocampo, Iván | RP | Free Agent | 25 | 02/23/2007 | Santa Clara | CUB | Left | Left | 6' 2" | 190 lbs | - |
| Ocampo, Juan | RP | Free Agent | 26 | 04/03/2006 | Bonao | DOM | Right | Right | 6' 5" | 195 lbs | - |
| Ocano, Ramón | RP | Free Agent | 23 | 12/11/2008 | Elupina Cordero | DOM | Right | Right | 6' 8" | 200 lbs | - |
| Ocasio, Fernando | RF | Illinois Fightin' Illini | 17 | 08/02/2014 | Caracas | VEN | Left | Left | 6' 2" | 190 lbs | - |
| Ochoa, Andrés | 1B | Free Agent | 24 | 02/13/2008 | Barquisimeto | VEN | Right | Right | 6' 4" | 200 lbs | - |
| Ochoa, Jaime | RF | Texas A&M Aggies | 19 | 02/02/2013 | Plano | USA | Left | Left | 6' 3" | 190 lbs | - |
| Ochoa, Jorge | RP | Creighton Bluejays | 19 | 04/14/2013 | Aurora | USA | Left | Left | 6' 2" | 180 lbs | - |
| Ochoa, Luis | RP | Tennessee Volunteers | 19 | 10/13/2012 | Baracoa | CUB | Left | Left | 6' 0" | 160 lbs | - |
| Ochoa, Manny | RP | Free Agent | 24 | 05/13/2008 | Moca | PUR | Right | Right | 6' 6" | 200 lbs | - |
| Oda, Hirotsugu | RF | Free Agent | 22 | 02/02/2010 | Hamamatsu | JPN | Right | Right | 6' 2" | 180 lbs | - |
| Odgers, Walter | SP | Villanova Wildcats | 18 | 05/29/2014 | Sydney | AUS | Right | Right | 6' 4" | 185 lbs | - |
| Oeltjen, Luke | CF | Penn State Nittany Lions | 17 | 10/18/2014 | Sunshine Coast | AUS | Right | Right | 6' 2" | 175 lbs | - |
| Oeltjen, Marco | C | Free Agent | 22 | 01/10/2010 | Sydney | AUS | Right | Right | 6' 0" | 195 lbs | - |
| Oerlemans, Aidan | RP | Free Agent | 22 | 02/16/2010 | Willemstad | CUR | Right | Right | 6' 3" | 200 lbs | - |
| Ogasahara, Ryuzaburo | 3B | Free Agent | 25 | 09/26/2006 | Kanazawa | JPN | Right | Right | 6' 2" | 200 lbs | - |
| Ogasahara, Shunsen | RP | Free Agent | 23 | 12/19/2008 | Ogaki | JPN | Right | Right | 6' 1" | 180 lbs | - |
| Ogawa, Kiyoemon | LF | Free Agent | 24 | 07/03/2008 | Mikuni | JPN | Right | Right | 6' 4" | 200 lbs | - |
| Oglesby, Merlin | SS | Oklahoma State Cowboys | 19 | 03/11/2013 | Willis | USA | Switch | Right | 5' 10" | 170 lbs | - |
| Oglethorpe, Dale | LF | Auburn Tigers | 19 | 08/14/2012 | Seneca | USA | Right | Right | 6' 1" | 185 lbs | - |
| Ogura, Toshiro | RP | Free Agent | 27 | 06/28/2005 | Nagano | JPN | Right | Right | 6' 5" | 200 lbs | - |
| Ohashi, Yoshida | CF | Maine Black Bears | 20 | 04/14/2012 | Koriyama | JPN | Left | Right | 6' 3" | 200 lbs | - |
| Ohayashi, Eiichi | RP | Free Agent | 22 | 01/26/2010 | Yamaga | JPN | Right | Right | 6' 3" | 175 lbs | - |
| Ohayashi, Iemitsu | 1B | LSU Tigers | 20 | 09/22/2011 | Kitakyushu | JPN | Left | Left | 6' 5" | 200 lbs | - |
| Ohayashi, Ken'ichi | C | Free Agent | 23 | 11/24/2008 | Tokyo | JPN | Right | Right | 6' 6" | 205 lbs | - |
| Ohayashi, Masamune | SP | Free Agent | 23 | 10/27/2008 | Tokyo | JPN | Right | Right | 6' 0" | 185 lbs | - |
| Ohayashi, Nobuatsu | RP | Nebraska Corn Huskers | 20 | 02/21/2012 | Kawagoe | JPN | Switch | Right | 6' 3" | 180 lbs | - |
| Ohayashi, Shuncho | RP | Free Agent | 22 | 06/15/2010 | Mobara | JPN | Right | Right | 6' 0" | 185 lbs | - |
| Ohayashi, Shusaku | RF | Free Agent | 22 | 12/28/2009 | Gyoda | JPN | Right | Left | 6' 2" | 205 lbs | - |
| Ohayashi, Yoriyoshi | LF | Free Agent | 25 | 07/06/2007 | Takaishi | JPN | Left | Right | 6' 2" | 200 lbs | - |
| Ohayashi, Yoshihide | 1B | Free Agent | 24 | 08/31/2007 | Wakayama | JPN | Right | Right | 6' 1" | 200 lbs | - |
| Ojeda, Francisco | SP | Free Agent | 25 | 03/15/2007 | Santiago de Cuba | CUB | Right | Right | 6' 2" | 185 lbs | - |
| Ojeda, Miguel | 3B | Rice Owls | 18 | 06/25/2014 | Santo Domingo | DOM | Right | Right | 6' 5" | 195 lbs | - |
| Ojima, Keizo | RP | Free Agent | 24 | 08/05/2007 | Niigata | JPN | Right | Right | 6' 0" | 195 lbs | - |
| Oka, Ichizo | 3B | USC Trojans | 19 | 10/24/2012 | Kawaguchi | JPN | Right | Right | 6' 2" | 190 lbs | - |
| Oka, Kyushichi | SP | Free Agent | 24 | 04/13/2008 | Matsuyama | JPN | Left | Left | 6' 4" | 195 lbs | - |
| Okada, Kagetoki | RF | Free Agent | 24 | 11/27/2007 | Okaya | JPN | Left | Left | 6' 3" | 200 lbs | - |
| Okada, Sozui | LF | Free Agent | 25 | 07/31/2007 | Tokyo | JPN | Right | Right | 6' 2" | 200 lbs | - |
| Okada, Yasukazu | RP | Free Agent | 27 | 11/30/2004 | Kyoto | JPN | Left | Left | 6' 2" | 200 lbs | - |
| Okamura, Noritoshi | RF | Wichita State Shockers | 20 | 01/18/2012 | Sendai | JPN | Left | Left | 6' 0" | 175 lbs | - |
| Okamura, Tetsunori | RP | Free Agent | 24 | 04/18/2008 | Asahikawa | JPN | Switch | Right | 6' 2" | 200 lbs | - |
| Okamura, Yoshihide | RF | Free Agent | 25 | 05/20/2007 | Sagamihara | JPN | Right | Right | 6' 0" | 200 lbs | - |
| Okazaki, Joji | RP | Free Agent | 24 | 05/11/2008 | Amagasaki | JPN | Left | Left | 6' 1" | 190 lbs | - |
| Okolita, Logan | RP | Free Agent | 24 | 12/20/2007 | Sydney | AUS | Right | Right | 5' 11" | 195 lbs | - |
| Okubo, Shigekazu | RP | Free Agent | 26 | 01/25/2006 | Tokyo | JPN | Left | Right | 6' 2" | 210 lbs | - |
| Okumura, Kunimichi | 2B | Free Agent | 27 | 12/15/2004 | Tokyo | JPN | Right | Right | 5' 10" | 205 lbs | - |
| Okuta, Mitsuharu | RP | Free Agent | 30 | 03/11/2002 | Osaka | JPN | Right | Right | 6' 1" | 195 lbs | - |
| Olds, Vincent | LF | San Diego Toreros | 19 | 12/14/2012 | Redlands | USA | Switch | Right | 6' 3" | 185 lbs | - |
| Olieman, Demy | RP | Georgetown Hoyas | 20 | 12/09/2011 | Willemstad | CUR | Right | Right | 6' 2" | 185 lbs | - |
| Olieman, Keith | 2B | Free Agent | 24 | 01/28/2008 | Willemstad | CUR | Right | Right | 6' 1" | 170 lbs | - |
| Olieman, Rens | RP | Ohio State Buckeyes | 18 | 02/04/2014 | Alphen-Chaam | NED | Left | Left | 6' 3" | 170 lbs | - |
| Oliva, Cisco | 1B | Free Agent | 30 | 05/18/2002 | Sanchez | DOM | Right | Right | 6' 4" | 200 lbs | - |
| Oliva, Pancho | RP | Free Agent | 22 | 04/21/2010 | Colón | PAN | Right | Right | 6' 6" | 195 lbs | - |
| Oliva, Pancho | RP | Free Agent | 25 | 05/09/2007 | San Miguelito | PAN | Right | Right | 6' 4" | 200 lbs | - |
| Olivares, Raúl | LF | Portland Pilots | 19 | 10/06/2012 | Mayarí | CUB | Left | Left | 5' 10" | 165 lbs | - |
| Olivares, Ricardo | 1B | Free Agent | 22 | 11/14/2009 | Colón | PAN | Right | Right | 5' 10" | 180 lbs | - |
| Olivas, Miguel | RP | Free Agent | 25 | 11/26/2006 | Barquisimeto | VEN | Left | Left | 6' 2" | 195 lbs | - |
| Olivas, Víctor | LF | Free Agent | 22 | 02/12/2010 | Barinas | VEN | Left | Left | 6' 3" | 190 lbs | - |
| Oliveira, Sergio | RP | Georgia Southern Eagles | 18 | 10/14/2013 | Concepción | CRC | Left | Left | 6' 3" | 180 lbs | - |
| Oliver, Colin | SP | Arkansas State Red Wolves | 20 | 06/23/2012 | Rutledge | USA | Right | Right | 6' 1" | 180 lbs | - |
| Olivo, Jesús | RP | San Diego State Aztecs | 18 | 05/19/2014 | Oranjestad | ARU | Switch | Right | 6' 7" | 195 lbs | - |
| Olivo, Manny | SS | Free Agent | 25 | 03/05/2007 | Santo Domingo | DOM | Switch | Right | 6' 4" | 200 lbs | - |
| Ollivier, Noa | LF | Free Agent | 25 | 06/01/2007 | Montreal | CAN | Right | Right | 6' 2" | 185 lbs | - |
| Olmos, Júlio | RP | Indiana Hoosiers | 18 | 04/30/2014 | Guayama | PUR | Right | Left | 6' 0" | 155 lbs | - |
| Olson, Donovan | 2B | Penn State Nittany Lions | 19 | 11/26/2012 | Waterbury | USA | Right | Right | 5' 10" | 170 lbs | - |
| Olson, Ed | RP | LSU Tigers | 19 | 04/25/2013 | Nashville | USA | Right | Left | 6' 5" | 200 lbs | - |
| Olson, Mark | C | Cincinnati Bearcats | 21 | 12/13/2010 | Sandusky | USA | Right | Right | 6' 1" | 210 lbs | - |
| Olvera, Javier | SS | Free Agent | 25 | 11/10/2006 | Villamar | MEX | Right | Right | 6' 2" | 200 lbs | - |
| Olvera, Mario | RP | East Carolina Pirates | 19 | 05/05/2013 | Columbia | USA | Right | Right | 6' 2" | 185 lbs | - |
| Oly, Richie | 3B | Free Agent | 25 | 11/27/2006 | Willemstad | CUR | Right | Right | 6' 4" | 200 lbs | - |
| Oly, Vincent | CF | Ohio State Buckeyes | 21 | 02/28/2011 | Oranjestad | ARU | Right | Right | 5' 10" | 170 lbs | - |
| Om, Min-u | RP | Free Agent | 27 | 03/24/2005 | Seoul | KOR | Right | Right | 6' 4" | 200 lbs | - |
| Omorede, Desta | RF | Free Agent | 23 | 08/31/2008 | Dearborn | USA | Left | Left | 6' 2" | 200 lbs | - |
| Omori, Shinsui | 2B | UC Irvine Anteaters | 17 | 11/18/2014 | Ichikawa | JPN | Right | Right | 6' 4" | 200 lbs | - |
| Ono, Oda | SP | Sam Houston State Bearkats | 19 | 11/25/2012 | Omama | JPN | Switch | Right | 6' 2" | 185 lbs | - |
| Ono, Taro | RP | Tennessee Volunteers | 18 | 11/24/2013 | Nakashibetsu | JPN | Right | Right | 6' 9" | 200 lbs | - |
| Ono, Tokugawa | LF | Tennessee Volunteers | 20 | 02/01/2012 | Hachioji | JPN | Right | Right | 5' 10" | 175 lbs | - |
| Ono, Yaichiro | SP | Free Agent | 26 | 05/18/2006 | Ashikaga | JPN | Left | Right | 6' 8" | 200 lbs | - |
| Ontiveros, Joaquín | RP | Free Agent | 25 | 08/30/2006 | Santo Domingo | DOM | Right | Right | 6' 9" | 200 lbs | - |
| Ontiveros, Orlando | LF | Northern Colorado Bears | 19 | 09/05/2012 | Hutchinson | USA | Left | Left | 6' 4" | 205 lbs | - |
| Oomsen, Sandor | SP | Free Agent | 24 | 07/20/2008 | Willemstad | CUR | Right | Right | 6' 4" | 205 lbs | - |
| Oostenbroek, Remke | RP | Free Agent | 23 | 09/15/2008 | Oranjestad | ARU | Right | Right | 6' 0" | 180 lbs | - |
| Oostermeer, Michel | LF | Free Agent | 21 | 10/08/2010 | Groot Piscadera | CUR | Left | Left | 6' 3" | 200 lbs | - |
| Ooyendijk, Jerrel | SS | Kansas Jayhawks | 18 | 11/15/2013 | Oranjestad | ARU | Right | Right | 6' 4" | 190 lbs | - |
| Ooyendijk, Lando | C | Free Agent | 27 | 04/28/2005 | Montaña Abou | CUR | Left | Right | 6' 2" | 200 lbs | - |
| Opie, Blake | SP | Arizona Wildcats | 19 | 09/14/2012 | Adelaide | AUS | Right | Right | 6' 9" | 200 lbs | - |
| Oprel, David | 2B | Free Agent | 22 | 09/08/2009 | Oranjestad | ARU | Right | Right | 6' 5" | 200 lbs | - |
| Ordóñes, Francisco | C | Free Agent | 24 | 12/15/2007 | San Cristóbal | DOM | Right | Right | 6' 1" | 195 lbs | - |
| Oregón, Ángel | 2B | San Francisco Dons | 21 | 03/08/2011 | San José | CRC | Switch | Right | 6' 0" | 180 lbs | - |
| Ornelas, Orlando | RF | Free Agent | 25 | 04/24/2007 | Porlamar | VEN | Right | Right | 6' 2" | 200 lbs | - |
| Ornelas, Pedro | RP | Northwestern State Demons | 21 | 07/12/2011 | Pedregal | PAN | Right | Right | 6' 2" | 175 lbs | - |
| Orosco, Carlos | RF | Auburn Tigers | 18 | 03/19/2014 | Mérida | VEN | Left | Left | 6' 0" | 160 lbs | - |
| Orosco, Juan | RP | San Diego State Aztecs | 21 | 06/13/2011 | Florida | PUR | Right | Right | 5' 10" | 165 lbs | - |
| Orosco, Ricardo | SP | Free Agent | 22 | 09/02/2009 | Sint Nicolas | ARU | Right | Left | 5' 11" | 170 lbs | - |
| Orozco, Félix | RP | Free Agent | 25 | 10/06/2006 | Havana | CUB | Right | Right | 6' 1" | 195 lbs | - |
| Orozco, Ignacio | LF | Free Agent | 22 | 03/22/2010 | Cuernavaca | MEX | Right | Right | 6' 4" | 200 lbs | - |
| Orozco, Juan | RP | Pepperdine Waves | 18 | 06/03/2014 | Nuevitas | CUB | Right | Right | 6' 0" | 165 lbs | - |
| Orozco, Pancho | LF | Penn State Nittany Lions | 21 | 03/05/2011 | El Banco | COL | Right | Right | 6' 1" | 180 lbs | - |
| Orozco, Ricardo | LF | Free Agent | 24 | 10/27/2007 | San Miguelito | PAN | Right | Right | 6' 5" | 205 lbs | - |
| Orozeo, Pedro | C | Free Agent | 25 | 03/11/2007 | Maimón | DOM | Right | Right | 6' 4" | 205 lbs | - |
| Orpen, Jordan | RP | Free Agent | 24 | 09/22/2007 | Sint Nicolas | ARU | Left | Left | 5' 10" | 170 lbs | - |
| Orr, Mark | 2B | San Francisco Dons | 19 | 01/10/2013 | San Jose | USA | Right | Right | 6' 4" | 200 lbs | - |
| Ortega, Adrián | 3B | Connecticut Huskies | 19 | 07/24/2013 | Ponce | PUR | Left | Right | 6' 2" | 190 lbs | - |
| Ortega, Alejandro | SP | Dallas Baptist Patriots | 18 | 05/20/2014 | Ponce | PUR | Right | Right | 6' 7" | 190 lbs | - |
| Ortega, Arturo | LF | Free Agent | 22 | 05/07/2010 | Des Moines | USA | Left | Left | 6' 6" | 200 lbs | - |
| Ortega, Carlos | SS | Northern Colorado Bears | 18 | 01/30/2014 | Guanare | VEN | Right | Right | 6' 2" | 175 lbs | - |
| Ortega, Claudio | C | Free Agent | 25 | 12/04/2006 | Calarca | COL | Left | Right | 6' 1" | 200 lbs | - |
| Ortega, Domingo | RP | Oregon State Beavers | 20 | 02/05/2012 | Colón | PAN | Right | Right | 6' 3" | 180 lbs | - |
| Ortega, Enrique | SP | USC Trojans | 19 | 11/07/2012 | Los Ríos | DOM | Left | Left | 6' 0" | 165 lbs | - |
| Ortega, Gabriel | RP | Free Agent | 24 | 07/24/2008 | Acworth | USA | Right | Right | 6' 0" | 175 lbs | - |
| Ortega, Javier | LF | Minnesota Golden Gophers | 18 | 07/17/2014 | Santiago de Cuba | CUB | Left | Left | 6' 1" | 170 lbs | - |
| Ortega, José | RP | Central Florida Knights | 20 | 04/08/2012 | Santiago | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Ortega, Mario | RP | Penn State Nittany Lions | 18 | 06/19/2014 | Malambo | COL | Right | Left | 5' 10" | 150 lbs | - |
| Ortega, Octávio | SP | Stephen F. Austin Lumberjacks | 18 | 03/02/2014 | Houston | USA | Left | Left | 6' 2" | 185 lbs | - |
| Ortega, Octávio | SP | Free Agent | 26 | 03/29/2006 | Ciudad Guayana | VEN | Switch | Left | 6' 2" | 185 lbs | - |
| Ortega, Pedro | RP | Free Agent | 21 | 11/25/2010 | Puerto la Cruz | VEN | Left | Left | 6' 3" | 180 lbs | - |
| Ortega, Ramón | CF | Arizona Wildcats | 20 | 11/17/2011 | Oranjestad | ARU | Switch | Right | 6' 6" | 200 lbs | - |
| Ortega, Roberto | 1B | Bradley Braves | 17 | 10/15/2014 | San Juan | PUR | Right | Right | 6' 1" | 200 lbs | - |
| Ortega, Tony | RP | Free Agent | 25 | 11/06/2006 | Cumana | VEN | Left | Left | 6' 6" | 200 lbs | - |
| Ortíz, Albert | RP | Saint Mary's Gaels | 21 | 07/26/2011 | Vega Alta | PUR | Right | Right | 6' 6" | 195 lbs | - |
| Ortíz, Alberto | RF | Free Agent | 21 | 09/15/2010 | San Sebastian | PUR | Right | Right | 6' 2" | 180 lbs | - |
| Ortíz, Alfredo | RP | Clemson Tigers | 19 | 07/27/2013 | Havana | CUB | Right | Right | 6' 4" | 180 lbs | - |
| Ortíz, António | C | Free Agent | 23 | 02/01/2009 | San Juan | PUR | Right | Right | 6' 3" | 200 lbs | - |
| Ortíz, Arturo | 3B | Florida Atlantic Owls | 18 | 05/20/2014 | Sogamoso | COL | Right | Right | 6' 0" | 175 lbs | - |
| Ortíz, Bernardo | 1B | Indiana State Sycamores | 18 | 06/23/2014 | Medellín | COL | Right | Right | 6' 6" | 200 lbs | - |
| Ortíz, Cisco | RP | UC Irvine Anteaters | 18 | 09/24/2013 | Santiago | DOM | Left | Left | 6' 2" | 180 lbs | - |
| Ortíz, Emílio | RP | Free Agent | 22 | 04/06/2010 | San Luis Potosí | MEX | Left | Right | 6' 8" | 200 lbs | - |
| Ortíz, Héctor | SP | Free Agent | 21 | 12/02/2010 | Holguín | CUB | Left | Right | 6' 1" | 175 lbs | - |
| Ortíz, Héctor | RP | Free Agent | 29 | 01/09/2003 | Santiago de Cuba | CUB | Right | Right | 5' 9" | 175 lbs | - |
| Ortíz, Ignacio | LF | Free Agent | 22 | 03/08/2010 | San Juan | PUR | Right | Right | 6' 7" | 200 lbs | - |
| Ortíz, Jesús | 2B | Connecticut Huskies | 17 | 10/02/2014 | Carolina | PUR | Right | Right | 6' 3" | 195 lbs | - |
| Ortíz, Jorge | LF | Sacramento State Hornets | 20 | 05/19/2012 | Levittown | PUR | Right | Right | 6' 2" | 185 lbs | - |
| Ortíz, José | 1B | Kansas Jayhawks | 20 | 02/11/2012 | Greenwich | USA | Left | Left | 6' 4" | 210 lbs | - |
| Ortíz, José | RP | Free Agent | 25 | 09/21/2006 | Maracaibo | VEN | Right | Right | 6' 6" | 205 lbs | - |
| Ortíz, José | SP | Free Agent | 25 | 01/09/2007 | Cabo Rojo | PUR | Right | Right | 6' 7" | 200 lbs | - |
| Ortíz, Juan | LF | USC Trojans | 19 | 11/03/2012 | Buckeye | USA | Right | Right | 6' 1" | 195 lbs | - |
| Ortíz, Mario | SP | Hartford Hawks | 20 | 09/30/2011 | Tacarigua | VEN | Right | Right | 6' 2" | 190 lbs | - |
| Ortíz, Pedro | LF | Marshall Thundering Herd | 21 | 01/04/2011 | Mantua | CUB | Left | Left | 5' 10" | 180 lbs | - |
| Ortíz, Pepe | 2B | Auburn Tigers | 20 | 02/08/2012 | Morón | CUB | Right | Right | 6' 1" | 170 lbs | - |
| Ortíz, Rafael | RF | Free Agent | 22 | 07/22/2010 | Carolina | PUR | Left | Left | 5' 10" | 175 lbs | - |
| Ortíz, Raúl | 1B | Rice Owls | 21 | 05/25/2011 | Cali | COL | Left | Right | 6' 1" | 185 lbs | - |
| Ortíz, Ricardo | 1B | Free Agent | 25 | 05/19/2007 | San Juan | PUR | Left | Left | 6' 3" | 205 lbs | - |
| Ortíz, Roberto | 2B | Tulane Green Wave | 19 | 03/12/2013 | Memphis | USA | Left | Right | 6' 2" | 180 lbs | - |
| Ortíz, Roberto | RP | Free Agent | 25 | 04/01/2007 | Guayanilla | PUR | Right | Right | 6' 4" | 190 lbs | - |
| Ortíz, Tomás | RP | Tulane Green Wave | 18 | 07/26/2014 | Bachaquero | VEN | Right | Right | 6' 4" | 180 lbs | - |
| Ortíz, Tomás | RP | Free Agent | 23 | 07/18/2009 | San Juan | PUR | Left | Left | 5' 11" | 180 lbs | - |
| Ortíz, Tony | RP | Free Agent | 23 | 08/03/2008 | San Pedro de Macorís | DOM | Left | Right | 6' 0" | 180 lbs | - |
| Ortíz, Ángelo | SS | Free Agent | 22 | 09/09/2009 | Guantanamo | CUB | Right | Right | 6' 7" | 200 lbs | - |
| Osada, Tsuneari | 1B | Free Agent | 22 | 11/25/2009 | Nagoya | JPN | Right | Right | 6' 5" | 195 lbs | - |
| Osawa, Nobuhiko | LF | Free Agent | 24 | 04/26/2008 | Nagano | JPN | Right | Right | 6' 1" | 195 lbs | - |
| Osborn, Ben | RP | Free Agent | 22 | 02/09/2010 | Houston | USA | Right | Right | 5' 10" | 175 lbs | - |
| Osborne, Al | SP | Oklahoma State Cowboys | 19 | 10/01/2012 | Houston | USA | Left | Left | 6' 6" | 205 lbs | - |
| Osborne, Brandon | RP | Free Agent | 25 | 11/22/2006 | Oranjestad | ARU | Switch | Right | 6' 3" | 195 lbs | - |
| Osborne, Dexter | SS | Free Agent | 25 | 02/16/2007 | Surrey | CAN | Right | Right | 6' 2" | 195 lbs | - |
| Osborne, Jason | SP | Texas Longhorns | 19 | 02/17/2013 | Springdale | USA | Right | Right | 6' 2" | 180 lbs | - |
| Osborne, Jim | RP | Georgia Southern Eagles | 19 | 04/07/2013 | Ridgeland | USA | Left | Right | 5' 10" | 165 lbs | - |
| Osborne, Roland | 3B | Florida State Seminoles | 19 | 05/31/2013 | Perth | AUS | Right | Right | 5' 10" | 170 lbs | - |
| Osborne, Victor | SP | Indiana State Sycamores | 19 | 03/14/2013 | Round Lake Beach | USA | Right | Right | 6' 3" | 185 lbs | - |
| Oshima, Kazuki | 3B | Free Agent | 25 | 12/28/2006 | Komaki | JPN | Right | Right | 6' 2" | 200 lbs | - |
| Oshima, Kiyonori | RP | Free Agent | 23 | 07/19/2009 | Niiza | JPN | Left | Right | 6' 2" | 195 lbs | - |
| Oskam, Quincy | RP | Kansas Jayhawks | 18 | 01/19/2014 | Sittard-Geleen | NED | Right | Right | 6' 8" | 200 lbs | - |
| Oskamp, Ferri | 3B | Free Agent | 25 | 10/06/2006 | Willemstad | CUR | Right | Right | 6' 1" | 205 lbs | - |
| Oskamp, Filip | 2B | Evansville Purple Aces | 20 | 06/10/2012 | Willemstad | CUR | Switch | Right | 6' 0" | 170 lbs | - |
| Osman, Gianni | RP | Free Agent | 26 | 03/05/2006 | Willemstad | CUR | Right | Right | 6' 4" | 205 lbs | - |
| Osman, Jarne | RP | Free Agent | 22 | 01/13/2010 | Willemstad | CUR | Left | Right | 6' 6" | 195 lbs | - |
| Osmani, Ebrahim | CF | New Mexico Lobos | 19 | 03/21/2013 | Delta | USA | Left | Left | 6' 0" | 170 lbs | - |
| Osorio, José | 2B | Free Agent | 24 | 05/18/2008 | Arecibo | PUR | Right | Right | 6' 3" | 200 lbs | - |
| Osorio, Juan | RP | UMBC Retrievers | 19 | 02/21/2013 | Randallstown | USA | Left | Right | 6' 0" | 165 lbs | - |
| Ota, Morihiro | CF | New Mexico Lobos | 21 | 09/28/2010 | Iwatsuki | JPN | Right | Right | 6' 3" | 200 lbs | - |
| Ota, Noriaki | C | Free Agent | 21 | 10/15/2010 | Saitama | JPN | Right | Right | 6' 4" | 200 lbs | - |
| Ota, Tokutomi | RP | Free Agent | 22 | 03/02/2010 | Komono | JPN | Switch | Right | 5' 8" | 160 lbs | - |
| Otani, Yakumo | RF | Rice Owls | 19 | 11/02/2012 | Yubari | JPN | Left | Left | 6' 6" | 200 lbs | - |
| Otero, António | RP | Free Agent | 27 | 07/26/2005 | Cabudare | VEN | Left | Left | 6' 3" | 200 lbs | - |
| Otero, Javier | CL | Georgia Tech Yellow Jackets | 19 | 07/19/2013 | San Juan | PUR | Right | Right | 6' 8" | 200 lbs | - |
| Otero, Manny | 3B | Georgia Southern Eagles | 19 | 03/29/2013 | Hillsville | USA | Right | Right | 5' 10" | 175 lbs | - |
| Otero, Pedro | RP | Creighton Bluejays | 18 | 10/24/2013 | Juan de Herrera | DOM | Right | Right | 6' 3" | 165 lbs | - |
| Ottenhof, Izak | RP | Free Agent | 22 | 09/23/2009 | Sint Michiel | CUR | Left | Left | 6' 4" | 185 lbs | - |
| Ottenhof, Sam | RP | Free Agent | 24 | 02/24/2008 | Sint Nicolas | ARU | Right | Right | 6' 0" | 190 lbs | - |
| Oude Nijhuis, Gerard | 3B | Xavier Musketeers | 18 | 09/02/2013 | Willemstad | CUR | Switch | Right | 6' 1" | 185 lbs | - |
| Ouwens, Wijnand | 1B | Free Agent | 27 | 03/21/2005 | Sint Nicolas | ARU | Left | Left | 6' 2" | 200 lbs | - |
| Overgaag, Vinnie | C | Long Beach State 49ers | 18 | 01/01/2014 | Montaña Abou | CUR | Right | Right | 6' 8" | 210 lbs | - |
| Oversteegen, Benno | 3B | Southern Illinois Salukis | 20 | 09/06/2011 | Sint Nicolas | ARU | Right | Right | 6' 1" | 195 lbs | - |
| Overwater, Felipe | RP | Free Agent | 22 | 07/22/2010 | Willemstad | CUR | Right | Right | 6' 4" | 195 lbs | - |
| Owen, Cliff | 3B | North Carolina State Wolfpack | 20 | 05/27/2012 | Baltimore | USA | Right | Right | 6' 3" | 200 lbs | - |
| Owen, Eric | RP | Nevada Wolfpack | 20 | 04/03/2012 | Sacramento | USA | Right | Right | 6' 5" | 200 lbs | - |
| Owen, Grady | SP | UC Irvine Anteaters | 19 | 08/21/2012 | Las Vegas | USA | Right | Right | 6' 0" | 180 lbs | - |
| Owen, Pat | RP | Tennessee Volunteers | 18 | 04/07/2014 | Manhattan | USA | Right | Right | 6' 5" | 175 lbs | - |
| Owens, Aaron | CF | Troy Trojans | 19 | 01/31/2013 | Deltona | USA | Left | Left | 6' 2" | 180 lbs | - |
| Owens, Archie | 3B | Northern Colorado Bears | 19 | 05/30/2013 | San Diego | USA | Switch | Right | 6' 2" | 185 lbs | - |
| Owens, Bill | RP | Cal State Fullerton Titans | 19 | 05/02/2013 | Los Angeles | USA | Right | Right | 6' 2" | 180 lbs | - |
| Owens, Brad | RF | BYU Cougars | 18 | 04/28/2014 | Butte | USA | Switch | Right | 6' 5" | 195 lbs | - |
| Owens, Ed | SP | UMBC Retrievers | 21 | 04/08/2011 | Los Angeles | USA | Left | Right | 6' 4" | 185 lbs | - |
| Owens, Keith | CF | Indiana State Sycamores | 19 | 06/18/2013 | Marietta | USA | Right | Right | 6' 2" | 180 lbs | - |
| Owens, Marcus | RP | Indiana State Sycamores | 19 | 08/06/2012 | Marietta | USA | Left | Left | 6' 0" | 175 lbs | - |
| Owens, Roger | RP | Oregon State Beavers | 19 | 11/08/2012 | Yakima | USA | Left | Left | 5' 11" | 165 lbs | - |
| Oyama, Tsuramatsu | RP | Free Agent | 25 | 11/05/2006 | Rikuzentakata | JPN | Right | Right | 6' 4" | 200 lbs | - |
| Oyama, Tsutomu | 3B | Free Agent | 24 | 03/06/2008 | Takamatsu | JPN | Right | Right | 5' 11" | 170 lbs | - |
| Ozaki, Kazu | SP | Free Agent | 23 | 04/07/2009 | Takatsuki | JPN | Switch | Right | 5' 11" | 180 lbs | - |
