 Silcock played in Wigan's 14-8 victory over Warrington in the 1948–49 Lancashire County Cup Final during the 1948–49 season at Station Road, Swinton on Saturday 13 November 1948.Silcock played , and scored a try in Wigan's 20-2 victory over Huddersfield in the Championship Final during the 1949–50 season at Maine Road, Manchester on Saturday 13 May 1950.Silcock played , and scored 3-tries in the 49-28 victory over Italy at Central Park, Wigan on Saturday 26 August 1950.