Novak Djokovic of Serbia, left, holds the trophy after defeating Roger Federer of Switzerland in the men's singles final at the Wimbledon All England Lawn Tennis Championships on Sunday, July 6, 2014, in London, England.

Ben Curtis / AP

Novak Djokovic of Serbia, left, holds the trophy after defeating Roger Federer of Switzerland in the men's singles final at the Wimbledon All England Lawn Tennis Championships on Sunday, July 6, 2014, in London, England.