 | Ole Gunnar Solskjær is a Norwegian former footballer, who spent most of his career playing for... more » |
 | Olivier Guillou is a football manager. more » |
 | Orlando Sánchez Márquez is a former catcher in Major League Baseball. He played all or part of... more » |
.jpg/225px-Ormond_H._Butler_(cropped).jpg "Ormond Butler") | Ormond Hook Butler was an American manager in Major League Baseball who blew up the Pittsburgh... more » |
| Osamu Fukuma is a former Japanese professional baseball player and current manager. more » |
| Óscar Rubén Fernández Romero better known as Óscar Fernández is a Spanish association football... more » |
_2017-04-26_(032).jpg/200px-FC_Admira_Wacker_Mödling_vs._FC_Red_Bull_Salzburg_(Cup)_2017-04-26_(032).jpg "Óscar García Junyent") | Óscar García Junyent, simply known as Óscar, is a Spanish retired footballer, and the current... more » |
 | Oscar Frederick Louis Roettger was an American first baseman and right-handed pitcher in Major... more » |
.jpg/162px-Houston_Dynamo_players_tren_2016_(8).jpg "Owen Coyle") | Owen Columba Coyle is a former professional football player and manager who was most recently... more » |
 | Owen Lacey Friend was a Major League Baseball second baseman for five different teams between... more » |
 | Thomas P. "Oyster" Burns was a professional baseball player whose career spanned 15 seasons, 11... more » |
