Santiago Giraldo of Colombia returns to Fernando Verdasco of Spain in the first set of their semifinal match at the U.S. Men's Clay Court Championship, Saturday, April 12, 2014, in Houston. (AP Photo/Pat Sullivan)

Houston Tennis

Santiago Giraldo of Colombia returns to Fernando Verdasco of Spain in the first set of their semifinal match at the U.S. Men's Clay Court Championship, Saturday, April 12, 2014, in Houston. (AP Photo/Pat Sullivan)

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