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Puerto Rico's Yarleen Santiago returns the ball during a women's beach volleyball semifinal match against Brazil at the Pan American Games in Puerto Vallarta, Mexico, Thursday, Oct. 20, 2011. (AP Photo/Ariana Cubillos)

Puerto Rico's Yarleen Santiago returns the ball during a women's beach volleyball semifinal match against Brazil at the Pan American Games in Puerto Vallarta, Mexico, Thursday, Oct. 20, 2011. (AP Photo/Ariana Cubillos)

Olympic beach volleyball