Pedzisa mutsara unotevera: Mugore rake rokutanga Ireland yakapedza nzvimbo yechitatu mu
2002 Six Nations Championship. O'Sullivan's Ireland yakaenderera mberi kuwana nzvimbo yechipiri muna 2003, ichingorasikirwa neGrand Slam mumutambo wekupedzisira neEngland. Pa 2003 Rugby World Cup chikwata chake chakarasikirwa neFrance mumakwikwi ekupedzisira.