NEW YORK – SEPTEMBER 07: Sam Querrey of the United States reacts after a point against Stanislas Wawrinka of Switzerland during his men’s singles fourth round match on day nine of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 7, 2010 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Nick Laham/Getty Images) *** Local Caption *** Sam Querrey
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