 The 1954–55 season proved to be Fagan's most successful for Manchester City, playing 42 times and scoring 11 goals, including two goals against Manchester United at Old Trafford, as City reached the 1955 FA Cup final.However, his Wembley appearance ended in a 3–1 defeat to Newcastle United.Manchester City reached the final again the following season, but Fagan did not play in the final, and missed out on a winners' medal.