A 22-year-old John McEnroe ended Sweden's Bjorn Borg's record run of victories at the Wimbledon tennis championships in 1981 - also the year of the curly-locked player's infamous Centre Court outburst: "You cannot be serious!" Footballer Kevin Keegan also showed that big hair had a place on the football pitch while playing for England and Southampton, before his now legendary transfer to the then second division side Newcastle United.