 Silcock played for Warrington from September 1958 to April 1961.Silcock played in Warrington's 5-4 victory over St. Helens in the 1959–60 Lancashire County Cup Final during the 1959–60 season at Central Park, Wigan on Saturday 31 October 1959, in front of a crowd of 39,237.Silcock travelled to Australia to play in the Newcastle Rugby League for the South Newcastle club from 1961 to 1964.