Association football | association football | football (soccer) | National Football League | American football | Forward (association football) | college football | Goalkeeper (association football) | Defender (association football) | Football (soccer) | Football in Italy | England national football team | Australian Football League | Australian rules football | Münster | Argentina national football team | Canadian Football League | Mexico national football team | Brazil national football team | Arena Football League | the Football League | Munster | World Rally Championship | Football in England | Football League First Division | Italy national football team | Scotland national football team | Germany national football team | Wales national football team | World Championship |
O'Sullivan won a Munster Minor Football Championship medal with Kerry 2004, and was a member of the Kerry minor side beaten by Laois in the 2003 All-Ireland Minor Football Championship semi-final and of the team which lost to Tyrone in the 2004 final.