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AP Sam Querrey of U.S. plays a return shot to Marin Cilic of Croatia during their second round singles match at Wimbledon, Wednesday, June 24, 2009. (AP - Photo

Sam Querrey of U.S. plays a return shot to Marin Cilic of Croatia during their second round singles match at Wimbledon, Wednesday, June 24, 2009. (AP

Sam Querrey of U.S. plays a return shot to Marin Cilic of Croatia during their second round singles match at Wimbledon, Wednesday, June 24, 2009. (AP - Wednesday June 24, 08:40 PM
Sam Querrey of U.