Kammala wannan jumla: A shekararsa ta farko Ireland ta kammala a matsayi na uku a gasar
2002 Gasar Kasashe Shida. O'Sullivan ta Ireland ta ci gaba da samun matsayi na biyu a 2003, kawai ta rasa Grand Slam a wasan karshe da Ingila. A gasar Rugby ta Duniya ta 2003 tawagarsa ta yi rashin nasara a Faransa a wasan kusa da na karshe.