 | Octavio Eduardo Dotel Diaz is a Dominican professional baseball pitcher for the Detroit Tigers... more » |
 | Odell Jones is a former pitcher in Major League Baseball who played for the Pittsburgh Pirates,... more » |
 | Odie Oscar Porter was an American Major League Baseball pitcher. He played for the Philadelphia... more » |
.jpg/285px-Oliver_Drake_(cropped).jpg "Oliver Drake") | Oliver Gardner Drake is a Minor League Baseball pitcher for the Bluefield Blue Jays more » |
| Oliver Tracy Johns was a Major League Baseball pitcher. He played in four games for the 1905... more » |
| Olen Edward "Ode" Voigt was a pitcher in Major League Baseball. He was born in Wheaton,... more » |
| Omar Beltre is a retired Dominican professional baseball pitcher who is a free agent. more » |
| Omar Jesús Daal Cordero is a former Major League Baseball pitcher who played for 11 seasons,... more » |
| Omar Olivares Palqu is a former right-handed starting pitcher in Major League Baseball who... more » |
| Onan Kainoa Satoshi Masaoka was a Major League Baseball left-handed pitcher for the Los Angeles... more » |
| Oneli M. Pérez Garcia is a Dominican professional baseball player. more » |
.JPG/282px-20140919_Orel_Hershiser_(1).JPG "Orel Hershiser") | Orel Leonard Hershiser IV is an American former Major League Baseball starting pitcher. He later... more » |
 | Orlando Hernández Pedroso, nicknamed "El Duque", is a Cuban right-handed former professional... more » |
 | Orlando Gregorio Peña Guevara is a former pitcher who played in Major League Baseball between... more » |
 | Orlando Bruno Román is a professional baseball pitcher. Román attended Indian Hills Community... more » |
 | Orville Forest Weaver was a professional baseball player who played pitcher in the Major Leagues... more » |
| Orlin Collier was a Major League Baseball pitcher for the Detroit Tigers. He was married to Ruth... more » |
| Orson F. Baldwin was a pitcher in Major League Baseball. He played for the St. Louis Cardinals... more » |
 | Orval Leroy Grove was an American pitcher in Major League Baseball who played for ten seasons in... more » |
 | Orval Overall was an American pitcher in Major League Baseball. He was a member of the Chicago... more » |
| Orville Martin Armbrust was a professional baseball pitcher. He appeared in three games in Major... more » |
| Orville Edward Jorgens was a Major League Baseball pitcher. Jorgens played for the Philadelphia... more » |
| Osamu Fukuma is a former Japanese professional baseball player and current manager. more » |
 | Oscar Estrada was a Major League Baseball pitcher who appeared in one game for the St. Louis... more » |
.jpg/247px-Fuhr,_Boston,_1924_LOC_npcc.11196_(cropped).jpg "Oscar Fuhr") | Oscar Lawrence Fuhr was a pitcher in Major League Baseball who played between 1921 and 1925 for... more » |
