Career
He amassed a total of seven caps during his career. Sayer began his career at his hometown club Cardiff City, making his debut against Hull City in September 1974. He went on to play a further nine matches in his first season before suffering a broken ankle in a match against Southampton which kept him out for nearly a year, returning at the end of the following season to play a handful of games as Cardiff clinched promotion to Division Two.
Sayer left Cardiff midway through the 1977-1978 season for £100,000 to sign for Brighton & Hove Albion.
He remained at the Goldstone Ground until the end of the season when he was sold to Preston North End for £85,000. He eventually ended his league career with Chester City before moving into non-league football with Morecambe, Northwich Victoria and Southport.
He went on to play in Wales" following six matches, winning his final cap on 12 October 1977 in a 2–0 defeat to Scotland. After his retirement, he returned to work for Preston in their football in the community department.
He later worked as a bar manager at Preston golf club