sentences:  Graham remains the most capped international player in Doncaster Rovers' history.Graham later worked as first-team coach at Stoke City, and became new manager Tony Waddington's assistant in 1960.From 1965 he coached at Port Vale under manager Stanley Matthews, before taking up the same position at Blackpool in 1967, under manager Stan Mortensen, before his retirement from football in 1975, after which he worked at British Aerospace.