sentences:  He captained St Mary's College RFC to their only AIB League title in 2000.Brennan made his debut for the senior Ireland team in a 13-37 defeat against South Africa on 13 June 1998 and went on to make 13 test appearances, including the 1999 Rugby World Cup.During this tournament that Brennan's abrasive image was tested, after a fight with Australia's Toutai Kefu, who was aided by two teammates who held Brennan's arms back.