NEW YORK, NY - AUGUST 29: Roger Federer of Switzerland returns a shot during his men's singles second round match against Carlos Berlocq of Argentina on Day Four of the 2013 US Open at USTA Billie ... more 
NEW YORK, NY - AUGUST 29: Roger Federer of Switzerland returns a shot during his men's singles second round match against Carlos Berlocq of Argentina on Day Four of the 2013 US Open at USTA Billie Jean King National Tennis Center on August 29, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images) less 
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Getty Images | Photo By Clive Brunskill / Getty Images
Thu, Aug 29, 2013 5:00 PM EDT