In a multiple exposure picture Roger Federer of Switzerland serves against Mardy Fish of the US during their group B singles match against in the round robin stage on day five of the ATP World Tour ... more 
In a multiple exposure picture Roger Federer of Switzerland serves against Mardy Fish of the US during their group B singles match against in the round robin stage on day five of the ATP World Tour Finals tennis tournament in London on November 24, 2011. Federer won 6-1, 3-6, 6-3. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images) less 
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Getty Images | Photo By GLYN KIRK / AFP/Getty Images
Thu, Nov 24, 2011 11:06 AM EST