Caroline Wozniacki, of Denmark, returns to Garbine Muguruza, of Spain, during the 

Caroline Wozniacki, of Denmark, returns to Garbine Muguruza, of Spain, during the Sony Open tennis tournament in Key Biscayne, Fla.,  Saturday, March 23, 2013. (AP Photo/Alan Diaz)
Associated Press
Caroline Wozniacki, of Denmark, returns to Garbine Muguruza, of Spain, during the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 23, 2013. (AP Photo/Alan Diaz)
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