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AP Christina Mchale, of the United States, returns the ball to Puerto Rico's Monica Puig during a women's singles semifinal tennis match at the Pan Ameri - Photo

Christina Mchale, of the United States, returns the ball to Puerto Rico's Monica Puig during a women's singles semifinal tennis match at the Pan Ameri

Thursday October 20, 07:13 PM
Christina Mchale, of the United States, returns the ball to Puerto Rico's Monica Puig during a women's singles semifinal tennis match at the Pan American Games in Guadalajara, Mexico, Thursday Oct. 20, 2011. (AP Photo/Jorge Saenz)