Monica Puig, of Puerto Rico, returns a shot from Caroline Wozniacki, of Denmark, at the Sony Open tennis tournament, Friday, March 21, 2014, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)

Sony Open Tennis

Monica Puig, of Puerto Rico, returns a shot from Caroline Wozniacki, of Denmark, at the Sony Open tennis tournament, Friday, March 21, 2014, in Key Biscayne, Fla. (AP Photo/Wilfredo Lee)

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