He was the reserve goalkeeper in the Ireland squad that won the bronze medal at the 2015 Men's EuroHockey Nations Championship.

[14][15] Together with Graham Shaw, Peter Caruth and Kyle Good, Fitzgerald also helped Monkstown win three successive Men's Irish Hockey League titles between 2012–13 and 2014–15.

[1][6][7] Fitzgerald was a member of the Ireland team that won a 2012–13 Men's FIH Hockey World League Round 1 tournament.

[25] He was also a member of the Ireland squad that qualified for the 2016 Summer Olympics after finishing fifth in the 2014–15 Men's FIH Hockey World League Semifinals.

[27][28] Source:[1] Since September 2013 he has worked as a specialist goalkeeping coach with Dublin University Ladies' Hockey Club.