He remained in the position for three years until shortly after Sexton 's departure from the club at the end of the 1980 -- 81 season .
In 1978 , he was hired by Manchester United manager Dave Sexton to be the club 's youth coach .
He remained in the position for three years until shortly after manager 's departure from the club at the end of the 1980 -- 81 season .
In 1978 , he was hired by Manchester United manager Dave Sexton to be the club 's youth coach .