Alan joined Oldham from Leigh amateur club Dootsons in July 1950 and made his senior debut on 9 September in the 35–8 victory over Wakefield, on the left-wing; however, it is at centre where he would make his mark, and where he would represent his country.

In 1961 he was the transferred to Wigan where he played in the 1963 Challenge Cup Final alongside another ex-Oldham teammate – Frank Pitchford.

Alan Davies played at centre in Wigan's 10–25 defeat by Wakefield Trinity in the 1962–63 Challenge Cup Final during the 1962–63 season at Wembley Stadium, London on Saturday 11 May 1963, in front of a crowd of 84,492.

Alan Davies played at centre in all three matches for Great Britain's 1960 Rugby League World Cup winning team.

[6] Davies married his wife, Joyce, with whom he had four children; one son, Stephen, and three daughters, Linda, Sarah and Janice.