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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| O'Connor, Matt | RP | Kansas City Tornadoes | 27 | 07/14/2033 | Toms River | USA | Right | Right | 6' 6" | 200 lbs | $600,000 |
| O'Connor, Robert | SP | Havana Stogies | 18 | 09/28/2042 | Perth | AUS | Right | Right | 6' 3" | 185 lbs | - |
| O'Kelley, Chris | 3B | Cairo Pharaohs | 24 | 11/17/2036 | Kannapolis | USA | Right | Right | 6' 3" | 200 lbs | - |
| O'Neil, Mike | SP | San Francisco Earthquakes | 23 | 09/19/2037 | Dunblane | CAN | Right | Right | 6' 4" | 195 lbs | - |
| O'Neil, Quinn | RP | Chicago Eclipse | 25 | 03/28/2036 | Dunblane | CAN | Right | Right | 6' 5" | 200 lbs | $600,000 |
| O'Neill, Shawn | RP | Vancouver Pioneers | 27 | 03/16/2034 | Forest Lake | USA | Right | Right | 6' 1" | 175 lbs | $925,500 |
| Oakes, Jesse | CF | Milwaukee Millers | 17 | 06/19/2043 | Pinagsanjan | PHI | Right | Right | 6' 2" | 170 lbs | - |
| Obando, Israel | CF | Houghton Gremlins | 24 | 10/15/2036 | Guantanamo | CUB | Right | Right | 6' 1" | 185 lbs | $600,000 |
| Ocampo, Jonathan | SP | Jacksonville Pilots | 16 | 11/09/2044 | Bahía Honda | CUB | Right | Right | 6' 5" | 195 lbs | - |
| Ocampo, Jose | CF | Cairo Pharaohs | 25 | 01/14/2036 | Chetumal | MEX | Right | Right | 6' 0" | 190 lbs | $850,000 |
| Ocasio, Juan | SP | Asheville Moonshiners | 16 | 10/21/2044 | Caracas | VEN | Left | Left | 6' 1" | 170 lbs | - |
| Oceguera, Victor | SP | Cairo Pharaohs | 18 | 11/13/2042 | Sanctórum | MEX | Right | Right | 6' 7" | 195 lbs | - |
| Ocejo, Marco | 1B | San Francisco Earthquakes | 19 | 07/22/2041 | Mao | DOM | Right | Right | 6' 6" | 210 lbs | - |
| Ochoa, Alexis | SP | San Francisco Earthquakes | 31 | 06/03/2029 | Cancún | MEX | Right | Left | 6' 1" | 200 lbs | $6,500,000 |
| Ochoa, Angel | SP | Chicago Eclipse | 16 | 08/26/2044 | Bogota | COL | Left | Right | 6' 6" | 195 lbs | - |
| Ochoa, Dave | SP | Mexico City Luchadores | 17 | 06/18/2043 | Santa Clara | CUB | Right | Right | 6' 4" | 185 lbs | - |
| Ochoa, Javy | RP | Montreal Jazz | 29 | 08/31/2031 | San Juan | PUR | Right | Right | 6' 4" | 225 lbs | $950,000 |
| Ochoa, Jorge | SP | Bloomington Blazers | 16 | 10/13/2044 | Mexico City | MEX | Left | Left | 6' 0" | 165 lbs | - |
| Ochoa, Jorge | RF | Chicago Eclipse | 17 | 07/09/2043 | Havana | CUB | Right | Right | 6' 0" | 185 lbs | - |
| Ochoa, Tony | 2B | Free Agent | 19 | 08/31/2041 | Nueva Paz | CUB | Right | Right | 6' 2" | 180 lbs | - |
| Odinson, Thor | SP | Mexico City Luchadores | 28 | 06/02/2032 | Oslo | NOR | Left | Right | 6' 6" | 220 lbs | $20,000,000 |
| Odion, Kalume | 3B | Manhattan Slice | 18 | 11/23/2042 | Port Elizabeth | RSA | Switch | Right | 6' 0" | 190 lbs | - |
| Odumbe, Belay | SP | Houghton Gremlins | 17 | 08/21/2043 | Conakry | GUI | Left | Left | 6' 2" | 170 lbs | - |
| Oe, Jung-keun | SP | Bloomington Blazers | 18 | 11/21/2042 | Seoul | KOR | Left | Left | 5' 10" | 160 lbs | - |
| Ogunsanwo, Hamsa | RF | Mexico City Luchadores | 17 | 04/28/2043 | Johannesburg | RSA | Switch | Left | 6' 4" | 200 lbs | - |
| Ohashi, Masanobu | 3B | Maple Marauders | 18 | 08/31/2042 | Maebashi | JPN | Right | Right | 6' 3" | 195 lbs | - |
| Ojeda, Dave | LF | Eureka Hornets | 29 | 10/28/2031 | Chilpancingo | MEX | Left | Left | 6' 6" | 200 lbs | $3,800,000 |
| Ojeda, Jose | CF | Kansas City Tornadoes | 25 | 09/19/2035 | Guane | CUB | Switch | Left | 5' 10" | 180 lbs | - |
| Ojeda, Juan | SS | Free Agent | 20 | 01/08/2041 | Santo Domingo | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Ojeda, Raul | CF | Vancouver Pioneers | 17 | 11/10/2043 | Remedios | CUB | Right | Right | 6' 1" | 190 lbs | - |
| Oka, Okura | SP | Mexico City Luchadores | 17 | 11/15/2043 | Ibusuki | JPN | Right | Right | 6' 3" | 180 lbs | - |
| Okada, Hiroomi | RP | Free Agent | 17 | 04/24/2043 | Kawamata | JPN | Switch | Right | 6' 4" | 185 lbs | - |
| Okazaki, Kazukuni | SP | Free Agent | 18 | 08/19/2042 | Otofuke | JPN | Right | Right | 6' 2" | 180 lbs | - |
| Okazaki, Masahisa | C | Free Agent | 17 | 06/14/2043 | Tokyo | JPN | Right | Right | 6' 0" | 175 lbs | - |
| Okuda, Kuemon | CF | Buffalo Bison | 17 | 02/01/2044 | Tokyo | JPN | Right | Right | 6' 4" | 180 lbs | - |
| Okuhara, Tokuei | CF | Free Agent | 20 | 10/06/2040 | Kobe | JPN | Right | Right | 6' 2" | 190 lbs | - |
| Okumura, Koji | CF | Manhattan Slice | 16 | 04/04/2044 | Shonan | JPN | Left | Left | 6' 2" | 180 lbs | - |
| Olalde, Alex | SP | Asheville Moonshiners | 17 | 07/12/2043 | Bayaguana | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Olea, Jose | SP | Quebec Armada | 17 | 12/18/2043 | Jagüey Grande | CUB | Left | Left | 6' 4" | 190 lbs | - |
| Olea, Juan | SP | Mexico City Luchadores | 18 | 08/05/2042 | Colón | CUB | Right | Right | 6' 0" | 170 lbs | - |
| Olguin, Armando | SP | Havana Stogies | 16 | 06/17/2044 | Ponce | PUR | Left | Right | 6' 1" | 170 lbs | - |
| Olguin, Manny | SP | Seattle Sasquatch | 17 | 02/20/2044 | Guaynabo | PUR | Right | Right | 6' 2" | 170 lbs | - |
| Olguin, Octavio | SS | Bloomington Blazers | 17 | 04/11/2043 | Havana | CUB | Right | Right | 6' 2" | 185 lbs | - |
| Oliva, Dave | RP | Free Agent | 20 | 10/30/2040 | Santiago de Cuba | CUB | Right | Right | 6' 8" | 205 lbs | - |
| Oliva, Juan | SP | Bloomington Blazers | 18 | 07/09/2042 | Santo Domingo | DOM | Right | Right | 6' 4" | 185 lbs | - |
| Oliva, Rich | 3B | Kansas City Tornadoes | 17 | 10/05/2043 | Culiacan | MEX | Right | Right | 6' 1" | 180 lbs | - |
| Olivares, Angelo | SP | Houghton Gremlins | 17 | 05/22/2043 | Altagracia de Orituco | VEN | Left | Right | 6' 2" | 175 lbs | - |
| Olivares, Humberto | SS | Cairo Pharaohs | 18 | 04/24/2042 | San Juan | PUR | Right | Right | 6' 3" | 185 lbs | - |
| Olivares, Israel | SP | Montreal Mounties | 17 | 07/09/2043 | La Vega | DOM | Left | Left | 6' 1" | 175 lbs | - |
| Olivarez, Carlos | SP | Asheville Moonshiners | 18 | 07/11/2042 | Maracaibo | VEN | Right | Right | 6' 8" | 210 lbs | - |
| Olivarez, Carlos | SS | Jacksonville Pilots | 19 | 09/20/2041 | Corozal | PUR | Switch | Right | 5' 11" | 160 lbs | - |
| Olivarez, Fernando | RP | Free Agent | 20 | 09/09/2040 | Baracoa | CUB | Right | Right | 6' 2" | 175 lbs | - |
| Olivarez, Jesus | 3B | Free Agent | 20 | 01/25/2041 | Carolina | PUR | Right | Right | 6' 4" | 205 lbs | - |
| Olivarez, Tony | CF | Houghton Gremlins | 18 | 10/13/2042 | Santo Domingo | DOM | Right | Right | 6' 0" | 190 lbs | - |
| Olivas, Manuel | SP | Cairo Pharaohs | 17 | 07/09/2043 | Villalba | PUR | Right | Right | 6' 3" | 180 lbs | - |
| Olivas, Pedro | 3B | Asheville Moonshiners | 18 | 02/09/2043 | Río Grande | PUR | Right | Right | 6' 4" | 210 lbs | - |
| Olivas, Tony | 2B | Free Agent | 18 | 02/23/2043 | Havana | CUB | Left | Right | 6' 4" | 200 lbs | - |
| Oliver, Chris | C | Mexico City Luchadores | 17 | 08/14/2043 | Sakai | JPN | Right | Right | 5' 10" | 170 lbs | - |
| Oliveros, Danny | SP | Cabo San Lucas Toreros | 17 | 02/16/2044 | Santo Domingo | DOM | Right | Right | 5' 11" | 155 lbs | - |
| Olivo, Antonio | 2B | Walnut Creek Warriors | 18 | 07/02/2042 | Zapopan | MEX | Right | Right | 5' 10" | 180 lbs | - |
| Olmos, Luis | CL | Dallas Texans | 17 | 10/25/2043 | Jimaní | DOM | Left | Right | 6' 2" | 175 lbs | - |
| Olmos, Silverio | SP | Jacksonville Pilots | 17 | 08/04/2043 | Holguín | CUB | Left | Right | 5' 11" | 165 lbs | - |
| Olson, Chris | RP | Seattle Sasquatch | 25 | 05/09/2035 | Fortuna | USA | Right | Right | 6' 4" | 185 lbs | - |
| Olvera, Dave | RP | El Paso Mavericks | 17 | 08/15/2043 | Cuautitlan Izcalli | MEX | Switch | Right | 6' 6" | 195 lbs | - |
| Olvera, Gotzone | SP | Cabo San Lucas Toreros | 18 | 03/12/2043 | Chimalhuacan | MEX | Left | Left | 5' 11" | 160 lbs | - |
| Olvera, Manny | LF | Bloomington Blazers | 16 | 09/08/2044 | Jobabo | CUB | Right | Right | 6' 1" | 180 lbs | - |
| Onate, Arturo | SP | Free Agent | 17 | 06/12/2043 | La Vega | DOM | Right | Right | 6' 3" | 180 lbs | - |
| Ong, Li-zhu | SP | Dallas Texans | 18 | 09/01/2042 | Homei | TPE | Right | Right | 6' 2" | 180 lbs | - |
| Ono, Miyoshi | SP | Buffalo Bison | 18 | 05/13/2042 | Katsuura | JPN | Left | Left | 6' 0" | 175 lbs | - |
| Ontiveros, Alex | SP | Montreal Mounties | 17 | 05/26/2043 | Guaynabo | PUR | Left | Right | 5' 11" | 165 lbs | - |
| Ontiveros, Dave | SP | Havana Stogies | 16 | 04/28/2044 | La Vega | DOM | Right | Right | 6' 5" | 190 lbs | - |
| Ontiveros, Jorge | C | Bloomington Blazers | 18 | 06/30/2042 | Montemorelos | MEX | Switch | Right | 6' 2" | 190 lbs | - |
| Ordaz, Jose | 3B | Manhattan Slice | 17 | 12/30/2043 | Nanacamilpa | MEX | Right | Right | 6' 2" | 185 lbs | - |
| Ordenana, Frank | CF | Manhattan Slice | 16 | 08/22/2044 | Baracoa | CUB | Right | Right | 6' 0" | 190 lbs | - |
| Orduna, Jonathan | C | Pennsylvania Butterflies | 18 | 01/30/2043 | Santiago de Cuba | CUB | Right | Right | 6' 2" | 195 lbs | - |
| Orduno, Marco | SS | Chicago Eclipse | 19 | 08/31/2041 | Havana | CUB | Right | Right | 6' 1" | 175 lbs | - |
| Orellana, Angel | 2B | Jacksonville Pilots | 17 | 11/04/2043 | Coatlinchan | MEX | Right | Right | 6' 1" | 170 lbs | - |
| Orellana, Jose | SP | Free Agent | 16 | 05/30/2044 | Cali | COL | Right | Right | 6' 7" | 195 lbs | - |
| Orellana, Jose | RP | Jacksonville Pilots | 19 | 03/10/2042 | Santo Domingo | DOM | Left | Left | 6' 3" | 180 lbs | - |
| Orellano, Jorge | SS | Dallas Texans | 18 | 01/10/2043 | San Juan | PUR | Right | Right | 6' 3" | 180 lbs | - |
| Orengo, Leo | 2B | Free Agent | 18 | 12/12/2042 | Guantanamo | CUB | Right | Right | 6' 0" | 180 lbs | - |
| Orive, Manny | CF | Montreal Mounties | 16 | 11/12/2044 | Havana | CUB | Right | Right | 6' 0" | 165 lbs | - |
| Ornelas, Adrian | RP | Free Agent | 17 | 08/21/2043 | Moca | DOM | Right | Right | 6' 2" | 175 lbs | - |
| Ornelas, Angelo | CF | Manhattan Slice | 17 | 04/10/2043 | Las Matas de Santa Cruz | DOM | Right | Right | 6' 1" | 190 lbs | - |
| Ornelas, Cruz | CF | Jacksonville Pilots | 17 | 06/12/2043 | Santa Catarina | MEX | Left | Right | 6' 0" | 175 lbs | - |
| Orona, Javy | 1B | Havana Stogies | 16 | 09/05/2044 | San José de las Matas | DOM | Left | Left | 6' 3" | 225 lbs | - |
| Oropeza, Jesus | CF | San Francisco Earthquakes | 17 | 01/25/2044 | San Luis | CUB | Right | Right | 6' 4" | 200 lbs | - |
| Oropeza, Willie | SP | Jacksonville Pilots | 19 | 03/19/2042 | Caguas | PUR | Left | Left | 6' 7" | 205 lbs | - |
| Orosco, Omar | SP | Chicago Eclipse | 18 | 08/11/2042 | Songo-La Maya | CUB | Right | Right | 6' 5" | 195 lbs | - |
| Orozco, Alex | SP | Milwaukee Millers | 17 | 01/16/2044 | Puente de Ixtla | MEX | Left | Left | 5' 10" | 160 lbs | - |
| Orozco, Alex | LF | Free Agent | 16 | 10/04/2044 | Santo Domingo | DOM | Switch | Right | 6' 4" | 200 lbs | - |
| Orozco, Alex | SP | Buffalo Bison | 18 | 07/02/2042 | Bayamón | PUR | Right | Right | 5' 11" | 160 lbs | - |
| Orozco, Arturo | LF | Free Agent | 17 | 11/11/2043 | Mayarí | CUB | Right | Right | 6' 2" | 195 lbs | - |
| Orozco, Gustavo | SP | Seattle Sasquatch | 16 | 05/24/2044 | Matehuala | MEX | Left | Left | 6' 3" | 180 lbs | - |
| Orozco, Jose | SP | Bighorn Bison | 17 | 08/02/2043 | Ciudad Guayana | VEN | Left | Right | 6' 2" | 180 lbs | - |
| Orozco, Juan | SP | El Paso Mavericks | 28 | 01/21/2033 | Villa Altagracia | DOM | Right | Left | 6' 3" | 200 lbs | $600,000 |
| Orozco, Manny | RF | Bighorn Bison | 16 | 07/15/2044 | Bajos de Haina | DOM | Left | Left | 6' 4" | 205 lbs | - |
| Orozco, Mario | SP | Chicago Eclipse | 17 | 04/12/2043 | Santo Domingo | CUB | Right | Right | 6' 6" | 195 lbs | - |
| Orozco, Mel | SP | Havana Stogies | 16 | 08/19/2044 | Tijuana | MEX | Right | Left | 6' 4" | 185 lbs | - |
| Orozco, Steve | RP | Vancouver Pioneers | 16 | 05/15/2044 | Guadalajara | MEX | Right | Right | 6' 4" | 185 lbs | - |
| Orta, Johnny | CF | Havana Stogies | 17 | 07/08/2043 | Bayamón | PUR | Right | Right | 6' 2" | 190 lbs | - |
| Orta, Jordan | C | Free Agent | 24 | 03/12/2037 | San Lorenzo | PUR | Right | Right | 6' 5" | 205 lbs | - |
| Ortega, Benito | SP | Manhattan Slice | 16 | 08/21/2044 | Guaynabo | PUR | Right | Left | 6' 0" | 170 lbs | - |
| Ortega, Carlos | LF | Quebec Armada | 19 | 04/22/2041 | Acambaro | MEX | Right | Right | 6' 5" | 200 lbs | - |
| Ortega, Enrique | CF | Free Agent | 20 | 06/16/2040 | Yuriria | MEX | Left | Left | 6' 4" | 200 lbs | - |
| Ortega, Felix | SP | Montreal Mounties | 17 | 01/18/2044 | Arecibo | PUR | Right | Right | 6' 0" | 165 lbs | - |
| Ortega, Ivan | SS | Montreal Mounties | 18 | 01/24/2043 | Ponce | PUR | Right | Right | 6' 1" | 175 lbs | - |
| Ortega, Jesus | SP | Chicago Eclipse | 18 | 10/26/2042 | Santiago | DOM | Left | Left | 6' 6" | 190 lbs | - |
| Ortega, Jose | LF | Cabo San Lucas Toreros | 18 | 11/25/2042 | Caracas | VEN | Left | Left | 6' 5" | 210 lbs | - |
| Ortega, Leo | CF | Chicago Eclipse | 18 | 07/15/2042 | Monclova | MEX | Right | Right | 6' 0" | 165 lbs | - |
| Ortega, Roberto | SP | Bighorn Bison | 18 | 09/13/2042 | Rincón | DOM | Right | Right | 6' 6" | 190 lbs | - |
| Ortega, Rodrigo | SP | Dallas Texans | 16 | 05/10/2044 | Yaguate | DOM | Right | Right | 6' 1" | 170 lbs | - |
| Ortega, Tony | RF | Montreal Mounties | 18 | 12/26/2042 | Maunabo | PUR | Right | Right | 5' 11" | 180 lbs | - |
| Ortega, Victor | RP | Vancouver Pioneers | 30 | 12/18/2030 | Santiago | DOM | Right | Right | 5' 9" | 200 lbs | $1,700,000 |
| Ortega, Willie | RP | Free Agent | 27 | 06/11/2033 | Chalchihiutan | MEX | Right | Right | 6' 8" | 200 lbs | - |
| Ortegon, Alex | SP | Havana Stogies | 17 | 09/25/2043 | Santo Domingo | DOM | Left | Left | 6' 4" | 185 lbs | - |
| Ortegon, Jose | SP | Havana Stogies | 18 | 10/30/2042 | Santo Domingo | DOM | Right | Left | 6' 2" | 180 lbs | - |
| Ortiz, Adan | SP | Montreal Mounties | 16 | 04/10/2044 | Bayamo | CUB | Right | Left | 6' 7" | 200 lbs | - |
| Ortiz, Alex | SP | Bighorn Bison | 19 | 12/27/2041 | Mayagüez | PUR | Right | Right | 6' 2" | 175 lbs | - |
| Ortiz, Alonzo | SP | Quebec Armada | 18 | 08/18/2042 | Caracas | VEN | Left | Left | 6' 3" | 190 lbs | - |
| Ortiz, Bobby | SP | Vancouver Pioneers | 16 | 09/03/2044 | Primero de Enero | CUB | Left | Left | 6' 0" | 165 lbs | - |
| Ortiz, Danny | RP | Free Agent | 17 | 03/16/2044 | Coalcoman | MEX | Switch | Right | 6' 1" | 170 lbs | - |
| Ortiz, Danny | CF | Dallas Texans | 18 | 10/06/2042 | Santo Domingo | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Ortiz, Danny | 2B | Huntington Station Ramrods | 25 | 12/04/2035 | Havana | CUB | Right | Right | 5' 10" | 190 lbs | $600,000 |
| Ortiz, David | 1B | Jacksonville Pilots | 18 | 04/18/2042 | Nagua | DOM | Right | Right | 6' 2" | 190 lbs | - |
| Ortiz, Eddy | SP | Chicago Eclipse | 16 | 03/30/2044 | Havana | CUB | Right | Right | 6' 8" | 200 lbs | - |
| Ortiz, Federico | CF | Free Agent | 19 | 06/15/2041 | San Juan | PUR | Left | Right | 6' 2" | 185 lbs | - |
| Ortiz, Humberto | C | Cabo San Lucas Toreros | 29 | 03/09/2032 | Las Marías | PUR | Left | Right | 6' 0" | 200 lbs | $1,300,000 |
| Ortiz, Ivan | C | Free Agent | 19 | 07/04/2041 | Camagüey | CUB | Right | Right | 6' 1" | 200 lbs | - |
| Ortiz, Jago | 2B | Mexico City Luchadores | 16 | 10/17/2044 | Artemisa | CUB | Right | Right | 6' 1" | 165 lbs | - |
| Ortiz, Javier | CF | Bloomington Blazers | 17 | 12/28/2043 | Santo Domingo | DOM | Left | Right | 5' 11" | 160 lbs | - |
| Ortiz, Jesus | 3B | Cabo San Lucas Toreros | 18 | 02/01/2043 | Sabana Larga | DOM | Right | Right | 6' 0" | 190 lbs | - |
| Ortiz, Johnny | 1B | Pennsylvania Butterflies | 17 | 04/27/2043 | San Juan | PUR | Left | Left | 6' 4" | 200 lbs | - |
| Ortiz, Jonathan | RP | Dallas Texans | 32 | 04/06/2028 | Banes | CUB | Left | Left | 6' 0" | 180 lbs | $600,000 |
| Ortiz, Jonathan | SP | Eureka Hornets | 27 | 05/22/2033 | Entradero | PAN | Right | Right | 6' 2" | 200 lbs | $5,040,000 |
| Ortiz, Juan | 2B | Asheville Moonshiners | 16 | 05/20/2044 | San Juan | PUR | Right | Right | 6' 3" | 190 lbs | - |
| Ortiz, Juan | SP | Asheville Moonshiners | 17 | 11/14/2043 | Cuautitlan Izcalli | MEX | Left | Left | 6' 1" | 170 lbs | - |
| Ortiz, Leon | SP | Cairo Pharaohs | 17 | 12/25/2043 | Monterrey | MEX | Switch | Right | 6' 5" | 190 lbs | - |
| Ortiz, Luis | SP | Hawaii Honu | 17 | 01/08/2044 | Bejucal | CUB | Right | Right | 6' 3" | 180 lbs | - |
| Ortiz, Luis | SP | Bighorn Bison | 17 | 06/05/2043 | San Juan | PUR | Left | Left | 6' 3" | 180 lbs | - |
| Ortiz, Manny | C | Montreal Jazz | 16 | 05/31/2044 | Las Tunas | CUB | Right | Right | 6' 5" | 205 lbs | - |
| Ortiz, Manuel | SP | Hawaii Honu | 16 | 11/28/2044 | Bayamón | PUR | Right | Right | 6' 2" | 175 lbs | - |
| Ortiz, Marcos | SP | Buffalo Bison | 19 | 10/20/2041 | Santa Clara | CUB | Right | Right | 6' 2" | 180 lbs | - |
| Ortiz, Marvin | C | Houghton Gremlins | 16 | 09/22/2044 | Havana | CUB | Right | Right | 6' 0" | 195 lbs | - |
| Ortiz, Mauricio | RP | El Paso Mavericks | 18 | 03/23/2043 | Sabana Grande de Boya | DOM | Left | Left | 6' 5" | 190 lbs | - |
| Ortiz, Melvin | 2B | Free Agent | 26 | 03/13/2035 | Camajuaní | CUB | Right | Right | 6' 4" | 200 lbs | - |
| Ortiz, Mike | SP | Bloomington Blazers | 19 | 02/01/2042 | Xalapa | MEX | Right | Right | 6' 4" | 185 lbs | - |
| Ortiz, Omar | LF | Eureka Hornets | 17 | 07/16/2043 | Coamo | PUR | Right | Right | 6' 3" | 200 lbs | - |
| Ortiz, Ricky | RP | Free Agent | 18 | 07/10/2042 | Saltillo | MEX | Right | Right | 6' 6" | 200 lbs | - |
| Ortiz, Tony | SP | Chicago Eclipse | 17 | 11/28/2043 | San Lorenzo | PUR | Left | Right | 6' 2" | 185 lbs | - |
| Ortner, Mike | SP | Vancouver Pioneers | 24 | 04/19/2036 | Cranston | USA | Switch | Left | 6' 1" | 190 lbs | $600,000 |
| Ortuno, Rodolfo | SS | Asheville Moonshiners | 16 | 11/06/2044 | Florida | CUB | Right | Right | 6' 1" | 180 lbs | - |
| Ortuzar, Jose | SP | Buffalo Bison | 16 | 07/07/2044 | Cataño | PUR | Switch | Right | 6' 1" | 170 lbs | - |
| Osei, Keraja | LF | Havana Stogies | 19 | 03/19/2042 | Apomu | NGA | Right | Right | 6' 6" | 210 lbs | - |
| Oshima, Atsuhiro | 2B | Houghton Gremlins | 16 | 05/06/2044 | Iwanuma | JPN | Switch | Right | 5' 9" | 170 lbs | - |
| Oshita, Yasugi | C | Vancouver Pioneers | 17 | 07/16/2043 | Kobe | JPN | Right | Right | 6' 3" | 200 lbs | - |
| Oshita, Yasusaburo | 2B | Free Agent | 20 | 09/09/2040 | Kobe | JPN | Right | Right | 5' 11" | 180 lbs | - |
| Osorio, Alex | C | Jacksonville Pilots | 16 | 04/02/2044 | Emiliano Zapata | MEX | Switch | Right | 6' 1" | 180 lbs | - |
| Osorio, Jose | SP | Chicago Eclipse | 18 | 07/08/2042 | San Juan | PUR | Right | Right | 6' 1" | 175 lbs | - |
| Osorio, Jose | 2B | Bloomington Blazers | 18 | 07/16/2042 | Naucalpan | MEX | Right | Right | 6' 2" | 190 lbs | - |
| Osorio, Tony | RP | Huntington Station Ramrods | 17 | 08/05/2043 | San Pedro de Macorís | DOM | Right | Right | 6' 0" | 165 lbs | - |
| Ostlund, Chris | LF | Houghton Gremlins | 17 | 11/08/2043 | Lelystad | NED | Right | Right | 6' 6" | 200 lbs | - |
| Otani, Shigemi | LF | Cabo San Lucas Toreros | 18 | 10/23/2042 | Kagoshima | JPN | Right | Right | 6' 0" | 200 lbs | - |
| Otero, Bobby | CF | Asheville Moonshiners | 16 | 08/07/2044 | Paya | DOM | Right | Right | 6' 4" | 185 lbs | - |
| Otero, Danny | SS | Eureka Hornets | 18 | 12/04/2042 | Santo Domingo | DOM | Right | Right | 5' 10" | 170 lbs | - |
| Otero, Ignacio | 3B | Cabo San Lucas Toreros | 16 | 09/09/2044 | Cuenca | ECU | Right | Right | 6' 4" | 205 lbs | - |
| Otero, Manny | SP | Jacksonville Pilots | 17 | 01/16/2044 | Nezahualcoyotl | MEX | Left | Right | 6' 6" | 195 lbs | - |
| Ott, Kyle | RP | Chicago Eclipse | 22 | 03/20/2039 | Tyler | USA | Right | Right | 6' 1" | 185 lbs | $600,000 |
| Ou-yang, Hsi-chuen | SS | Bighorn Bison | 16 | 10/01/2044 | Taipei | TPE | Right | Right | 6' 2" | 195 lbs | - |
| Oubre, Brian | RP | Chicago Eclipse | 21 | 08/20/2039 | Burlington | USA | Left | Left | 6' 6" | 200 lbs | $600,000 |
| Oud, Eb | 2B | Eureka Hornets | 17 | 05/23/2043 | Hoogeveen | NED | Right | Right | 6' 1" | 180 lbs | - |
| Ovalle, Alberto | SP | San Francisco Earthquakes | 17 | 12/07/2043 | Acajete | MEX | Right | Right | 6' 1" | 175 lbs | - |
| Ovalle, Jose | SP | Bighorn Bison | 17 | 02/13/2044 | Las Tunas | CUB | Right | Right | 6' 2" | 175 lbs | - |
| Ovalle, Oscar | RP | Huntington Station Ramrods | 24 | 04/26/2036 | Juana Díaz | PUR | Switch | Left | 6' 1" | 190 lbs | $600,000 |
| Oviedo, Oscar | SP | San Francisco Earthquakes | 16 | 07/13/2044 | Havana | CUB | Right | Right | 6' 4" | 180 lbs | - |
| Ow, Xiao-xuan | SP | San Francisco Earthquakes | 17 | 10/03/2043 | Taipei | TPE | Right | Right | 6' 2" | 180 lbs | - |
| Owen, Brandon | RP | Eureka Hornets | 36 | 10/12/2024 | Brentwood | USA | Switch | Left | 6' 8" | 200 lbs | $600,000 |
| Ozaki, Mitsuzuka | CF | Quebec Armada | 18 | 08/25/2042 | Himeji | JPN | Right | Right | 6' 6" | 200 lbs | - |
| Ozaki, Tadaatsu | SP | Kansas City Tornadoes | 17 | 11/10/2043 | Ebina | JPN | Right | Right | 6' 3" | 180 lbs | - |
| Ozuna, Luis | RP | Dallas Texans | 24 | 12/26/2036 | Montemorelos | MEX | Right | Right | 6' 6" | 225 lbs | $4,600,000 |
