NEW YORK, NY - SEPTEMBER 05: Juan Martin Del Potro (L) of Argentina walks with Andy Roddick (R) of the United States after defeating him during their men's singles fourth round match on Day Ten of the 2012 U.S. Open at the USTA Billie Jean King National Tennis Center on September 5, 2012 in the Flushing neighborhood, of the Queens borough of New York City. (Photo by Mike Stobe/Getty Images for USTA)
