Maria Sharapova of Russia celebrates a point won against Bethanie Mattek-Sands of the U.S.  during the first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.(AP Photo/Aaron Favila)

Australian Open Tennis

Maria Sharapova of Russia celebrates a point won against Bethanie Mattek-Sands of the U.S. during the first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.(AP Photo/Aaron Favila)

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