A ColĂĄiste Eoin goal from centre forward Dara PuirsĂ©il as the game entered injury time gave the all-Irish Dublin college a dramatic but fully merited victory over holders St Kieranâs, Kilkenny, in a hard-fought Corn UĂ DhĂșill (Leinster Colleges Post Primary âAâ) final at Netwatch Cullen Park yesterday.