Fishwick played for Leyland, Hamilton Central and Chorley (in two spells), before joining Plymouth Argyle. He made his debut in the Third Division South, in a 1–0 defeat at Northampton Town on 10 November 1923. He signed with Blackpool in 1925. He made his debut for Frank Buckley's team on 24 October, in a 4–0 victory over Wolves at Bloomfield Road.Calley, Roy (1992). Blackpool: A Complete Record 1887–1992, p. 226 He scored his first (two) goals for the club in the next game – a 4–3 win at South Shields on 31 October. He went on to make a total of 28 league appearances in the 1925–26 campaign. He finished as the team's top scorer, with nineteen goals to his name, helping the "Seasiders" to a sixth-placed finish in the Second Division. The following season, 1926–27, Fishwick made 25 league appearances, scoring thirteen goals in the process, including a hat-trick in the third league game of the season – a 6–1 win at home to Barnsley.Calley, Roy (1992). Blackpool: A Complete Record 1887–1992, p. 228
