Maria Sharapova of Russia celebrates after defeating Kaia Kanepi of Estonia during the Brisbane International tennis tournament in Brisbane, Australia, Thursday, Jan. 2, 2014. (AP Photo/Tertius Pickard)

Australia Brisbane International Tennis

Maria Sharapova of Russia celebrates after defeating Kaia Kanepi of Estonia during the Brisbane International tennis tournament in Brisbane, Australia, Thursday, Jan. 2, 2014. (AP Photo/Tertius Pickard)

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