After his retirement from playing at the end of the 1955 – 56 season , Crompton was hired as a trainer by Luton Town , before returning to Manchester United in the wake of the Munich air disaster two years later . Luton rehired him as their manager in 1962 as a replacement for the departing Sam Bartram , but his tenure lasted just seven days and he returned to his position at Manchester United . In 1971 , Crompton was named as manager of Barrow , replacing Don McEvoy , but he only lasted until the end of the season and in June 1972 , he was hired by Bury as a coach . In 1973 , Crompton joined Preston North End as part of fellow former Manchester United man Bobby Charlton 's coaching staff . After a year with Preston , Crompton made his final return to Manchester United to take charge of the club 's reserve team , a position he held for seven years before ultimately retiring from the game
Munich air disaster
Munich air disaster
Jack Crompton