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Swiss tennis player Roger Federer pictured shaking hands with American tennis player Pete Sampras after winning the match 7-6, 5-7, 6-4, 6-7, 7-5 in the fourth round of the Men's Singles tournament at the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis Club in Wimbledon, London on 2nd July 2001. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)

Swiss tennis player Roger Federer pictured shaking hands with American tennis player Pete Sampras after winning the match 7-6, 5-7, 6-4, 6-7, 7-5 in the fourth round of the Men's Singles tournament at the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis Club in Wimbledon, London on 2nd July 2001. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)