He made his Wigan début at Halifax on 4 December 1954 but had to wait until the latter part of 1956–57 for a regular place when he replaced Mather in the number nine shirt.
Sayer played hooker in Wigan' 8–13 defeat by Oldham in the 1957 Lancashire Cup Final during the 1957–58 season at Station Road, Swinton on Saturday 19 October 1957.
Sayer played hooker in St. Helens' 21–2 victory over Wigan in the 1966 Challenge Cup Final during the 1965–66 season at Wembley Stadium, London on Saturday 21 May 1966, in front of a crowd of 98,536.
[6] A week later, he played hooker in St. Helens' 35–12 victory over Halifax in the Championship Final at Station Road, Swinton on Saturday 28 May 1966, in front of a crowd of 30,165.
He played hooker in St. Helens 2–2 draw with Warrington in the 1967 Lancashire Cup Final during the 1967–68 season at Central Park, Wigan on Saturday 7 October 1967, played hooker in the 13–10 victory over Warrington in the 1967 Lancashire Cup Final replay during the 1967–68 season at Station Road, Swinton on Saturday 2 December 1967, and played hooker in the 30–2 victory over Oldham in the 1968 Lancashire Cup Final during the 1968–69 season at Central Park, Wigan on Friday 25 October 1968.