Novak Djokovic of Serbia plays a return to Jarkko Nieminen of Finland, during their singles match at the All England Lawn Tennis Championships in Wimbledon, London, Wednesday July 1, 2015. (AP ... more 
Novak Djokovic of Serbia plays a return to Jarkko Nieminen of Finland, during their singles match at the All England Lawn Tennis Championships in Wimbledon, London, Wednesday July 1, 2015. (AP Photo/Alastair Grant) less 
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Associated Press | Photo By Alastair Grant
Wed, Jul 1, 2015 9:00 AM EDT