Chelsea's Brazilian soccer player David Luiz watches the ATP World Tour Finals double semifinal tennis match between Bruno Soares of Brazil, Alexander Peya of Austria and Bob Bryan, Mike Bryan of United States at the O2 Arena in London Sunday, Nov. 10, 2013. (AP Photo/Sang Tan)

Britain Tennis ATP Finals

Chelsea's Brazilian soccer player David Luiz watches the ATP World Tour Finals double semifinal tennis match between Bruno Soares of Brazil, Alexander Peya of Austria and Bob Bryan, Mike Bryan of United States at the O2 Arena in London Sunday, Nov. 10, 2013. (AP Photo/Sang Tan)

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