Sam Querrey n the third round of play at the 2012 US Open tennis tournament, Saturday, Sept. 1, 2012, in New York. (AP Photo/Henny Ray Abrams)

Photo by: Henny Ray Abrams

Sam Querrey n the third round of play at the 2012 US Open tennis tournament, Saturday, Sept. 1, 2012, in New York. (AP Photo/Henny Ray Abrams)