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AP Roger Federer of Switzerland serves to Andy Murray of Britain during their ATP World Tennis Final semi final singles match in London, Sunday, Nov. 11 - Photo

Roger Federer of Switzerland serves to Andy Murray of Britain during their ATP World Tennis Final semi final singles match in London, Sunday, Nov. 11

Sunday November 11, 09:09 PM
Roger Federer of Switzerland serves to Andy Murray of Britain during their ATP World Tennis Final semi final singles match in London, Sunday, Nov. 11, 2012. (AP Photo/Alastair Grant)