Djokovic vs McEnroe at U.S. Open

Following Novak Djokovic’s win over Radek Stepanek at the U.S. Open, commentator Darren Cahill interviewed the silly Serbian. During the interview, Novak did another of his infamous impressions, this one of Johnny Mac. And McEnroe was game. He came down from the booth and joined him on the court. Hilarity ensued.