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LONDON, ENGLAND - JULY 6: John McEnroe of the USA (right) and Bjorn Borg of Sweden pose together prior to the mens singles Final match at the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 1980 in London, England. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)

LONDON, ENGLAND - JULY 6: John McEnroe of the USA (right) and Bjorn Borg of Sweden pose together prior to the mens singles Final match at the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 1980 in London, England. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)