LONDON, ENGLAND - JULY 01: Serena Williams of the United States recieves treatment during the warm up before their Ladies Doubles second round match with Venus Williams (l) against Kristina Barrois of Germany and Stefanie Voegele of Switzerland on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2014 in London, England. (Photo by Jan Kruger/Getty Images)
Getty Images

Getty Images Sport Jan Kruger