 However, after only two games he signed for Shamrock Rovers in December 1963.He made his competitive debut in a 7–1 win over Bohemians on 26 January 1964 and scored his first goal for the Hoops on 23 August 1964 in a 4–0 League of Ireland Shield win over his old club.He won the FAI Cup in 1965, 1966, 1967 and 1969.