Mike Stobe
NEW YORK, NY - SEPTEMBER 05: Roger Federer of Switzerland reacts during his men's singles quarterfinal match against Tomas Berdych of Czech Republic 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)