LONDON, ENGLAND - NOVEMBER 09: Justin Gimelstob interviews Roger Federer of Switzerland as Stefan Edberg, Chris Kermode Executive Chairman & President of the ATP and Anna Budel prepare to present the Moet & Chandon Stefan Edberg Sportmanship Award and the Fans Favourite Award during day one of the Barclays ATP World Tour Finals tennis at O2 Arena on November 9, 2014 in London, England. (Photo by Julian Finney/Getty Images)

LONDON, ENGLAND - NOVEMBER 09:  Justin Gimelstob interviews Roger Federer of Switzerland as Stefan Edberg, Chris Kermode
Executive Chairman & President of the ATP and Anna Budel prepare to present the Moet & Chandon Stefan Edberg Sportmanship Award and the Fans Favourite Award during day one of the Barclays ATP World Tour Finals tennis at O2 Arena on November 9, 2014 in London, England.  (Photo by Julian Finney/Getty Images)