Aug 29, 2016; New York, NY, USA; Novak Djokovic of Serbia hits to Jerzy Janowicz of Poland on day one of the 2016 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Geoff ... more 
Aug 29, 2016; New York, NY, USA; Novak Djokovic of Serbia hits to Jerzy Janowicz of Poland on day one of the 2016 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Geoff Burke-USA TODAY Sports less 
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Reuters | Photo By Geoff Burke / Reuters
Tue, Aug 30, 2016 6:31 PM EDT