Roger Federer

Roger Federer of Switzerland hits a return during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 11, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16.   IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE   AFP PHOTO / Paul CROCK (Photo credit should read PAUL CROCK/AFP/Getty Images)

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One of the greatest tennis players of all time will represent Switzerland at the London Games.

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