Dominika Cibulkova, of Slovakia, returns the ball to Alize Cornet, of France, during the Sony Open tennis tournament, Sunday, March 23, 2014, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

Sony Open Tennis

Dominika Cibulkova, of Slovakia, returns the ball to Alize Cornet, of France, during the Sony Open tennis tournament, Sunday, March 23, 2014, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

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