NEW YORK, NY - AUGUST 23: (L-R) Novak Djokovic, Rafael Nadal, and Roger Federer attend the ATP Heritage Celebration at The Waldorf=Astoria on August 23, 2013 in New York City. D Dipasupil/Getty Images/AFP (Photo by D Dipasupil / GETTY IMAGES NORTH AMERICA / Getty Images via AFP)(D DIPASUPIL)