Along with Alfie Hale he made a scoring League of Ireland debut at Kilcohan Park on St Patrick's Day 1957 in a 3–1 win over Bohemians.
[4] In the 1959–60 European Cup Fitzgerald played against Rangers in the quarter finals where they were eliminated after a playoff at Highbury Stadium.
On 18 March 1961, Fitzgerald was at inside right, with Jack Charlton the emergency centre forward, in a 3–1 loss to Portsmouth.
After a good two years, scoring 12 goals in 80 games, he returned home to Ireland in September 1963 to play for Waterford.
In what was one of the greatest results for a League of Ireland selection they beat their English counterparts, who included Bobby Moore, 2–1 in front of 25,000 at Dalymount.