Born in Manchester, Fitzpatrick started his career at Stockport County before joining Northwich Victoria in November 2010. Having made over 30 appearances for the club over the course of the 2010–11 season, scoring 5, he signed a contract with the club for the 2011–12 season at the end of the season. As a result of a lack of first-team action, Fitzpatrick was released by Victoria in October 2011 in order to join Northern Premier League Division One South side New Mills. Fitzpatrick made 10 appearances for New Mills, scoring 4, before rejoining Northwich Victoria on 23 December 2011. In the summer of 2012, Fitzpatrick joined New Mills on a permanent basis. After an impressive season at New Mills, he joined Southportin the summer of 2013. In Fitzpatrick's first season in the Conference Premier, he made 43 appearances, scoring once, whilst his second season at the club saw him make 37 league appearances.
Macclesfield Town
Following trial periods at Crawley Town and Stevenage, Fitzpatrick joined Macclesfield Town in September 2015 on a four-month contract. In January 2016, his contract with the club was extended until the end of the season. After making 37 appearances for Macclesfield during the 2015–16 season, with Fitzpatrick praised for his performances, he signed a one-year contract extension at the end of the season. The 2016–17 saw Fitzpatrick make 37 league appearances, scoring none again, whilst he also played in the 2017 FA Trophy Final, where Macclesfield lost 3–2 to York City. Following the end of the season, Fitzpatrick signed another one-year contract extension with the club. The 2017–18 season was another successful season for Fitzpatrick as he appeared in every one of Macclesfield's 46 league matches as the club finished top of the National League, and were promoted to League Two, with Fitzpatrick signing a new two-year contract with Macclesfield Town as a result. On 4 August 2018, he made his first appearance in the English Football League in a 3–2 defeat to Swindon Town, before going on to make 40 appearances, scoring thrice in a season where Macclesfield would marginally survive relegation, finishing 22nd. The 2019–20 season saw Fitzpatrick make 21 appearances without scoring as Macclesfield would survive relation despite a points deduction as a result of Bury's expulsion from the Football League, with the club eventually finishing 23rd.
International career
In 2014, Fitzpatrick made 3 appearances for the England C team.
