Argentina's Juan Martin del Potro plays a return to Serbia's Novak Djokovic during their London 2012 Olympic Games men's singles bronze medal match at Wimbledon in south London on August 5, 2012. AFP PHOTO / CARL COURT
Argentina's Juan Martin del Potro plays a return to Serbia's Novak Djokovic during their London 2012 Olympic Games men's singles bronze medal match at Wimbledon in south London on August 5, 2012. AFP PHOTO / CARL COURT