John McEnroe: U.S. Open Would Be A ‘Joke’ Without Novak Djokovic

With the U.S. Open set to begin Monday, four-time champion John McEnroe says it would be a “joke” if Novak Djokovic isn’t in the draw due to his vaccination status and added that “there's a lot at stake for him personally” if he doesn’t play in the year’s final Grand Slam.