Roger Federer of Switzerland shakes hands with Stanislas Wawrinka of Switzerland after his victory in their men's semi final on day seven of the...
{"Image ImageDescription": "LONDON, ENGLAND - NOVEMBER 21:  Roger Federer of Switzerland shakes hands with Stanislas Wawrinka of Switzerland after his victory in their men's semi final on day seven of the Barclays ATP World Tour Finals at the O2 Arena on November 21, 2015 in London, England.  (Photo by Julian Finney/Getty Images)", "Image Copyright": "2015 Getty Images"}