NEW YORK, NY - SEPTEMBER 01: Novak Djokovic of Serbia shakes hands with Carlos Berlocq of Argentina after defeating him during Day Four of the 2011 US Open at the USTA Billie Jean King National ... more 
NEW YORK, NY - SEPTEMBER 01: Novak Djokovic of Serbia shakes hands with Carlos Berlocq of Argentina after defeating him during Day Four of the 2011 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2011 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Nick Laham/Getty Images) less 
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Getty Images | Photo By Nick Laham / Getty Images
Thu, Sep 1, 2011 10:29 PM EDT