Roger Federer of Switzerland returns a backhand to Adrian Mannarino of France at the U.S. Open tennis championships in New York, August 31, 2013. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT ... more 
Roger Federer of Switzerland returns a backhand to Adrian Mannarino of France at the U.S. Open tennis championships in New York, August 31, 2013. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT TENNIS) less 
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Reuters | Photo By ADAM HUNGER / REUTERS
Sat, Aug 31, 2013 11:14 PM EDT