“You cannot be serious!” John McEnroe might as well have used his classic line on a fan who appeared to stalk him for a photo ...

Tempestuous tennis champ John McEnroe was caught on video earlier this week telling an autograph-seeking fan, but many believe the athlete was right to do so.

Tennis legend John McEnroe has always had a short fuse and he certainly lived up to that reputation during his eventful trip ...

This fan was too serious. Tennis Hall of Famer John McEnroe was clearly frustrated during a tense encounter with a tenacious ...