John McEnroe was a tennis player in the 1980's.
John Patrick McEnroe Jr. ( born February 16 , 1959 ) is an American former World No. 1 professional tennis player , often rated among the greatest players of all time in the sport , especially for his touch on the volley . In 1981 , 1983 and 1984 he was both the ATP player of the year and the ITF World Champion for Men 's singles . His match record of 82 -- 3 in 1984 remains the best single season win rate of the Open Era .