“You cannot be serious,” John McEnroe frequently said in what became his iconic expression during a storied tennis career that included seven Grand Slam singles titles and 10 in doubles. Now, 36 years ...

John McEnroe momentarily forgot where he was supposed to be working. During ESPN's coverage of the Australian Open on Tuesday, the tennis legend, who delivered a reality check to Novak Djokovic just ...

This fan was too serious. Tennis Hall of Famer John McEnroe was clearly frustrated during a tense encounter with a tenacious fan while at Melbourne Airport. McEnroe spent the past two weeks in ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. “You cannot be serious,” John McEnroe frequently said in what became his iconic expression during ...

“You cannot be serious,” John McEnroe frequently said in what became his iconic expression during a storied tennis career that included seven Grand Slam singles titles and 10 in doubles. Now, 36 years ...