 Silcock played left-, i.e.number 11, in Wigan's 10-0 victory over Barrow in the 1950–51 Challenge Cup Final during the 1950–51 season at Wembley Stadium, London on Saturday 5 May 1951.He played in the 14-6 victory over Leigh in the 1951–52 Lancashire County Cup Final during the 1951–52 season at Station Road, Swinton on Saturday 27 October 1951.