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AP Ryan Harrison reacts during his match against Argentina's Juan Martin Del Potro in the third round of play at the 2012 US Open tennis tournament, Fri - Photo

Ryan Harrison reacts during his match against Argentina's Juan Martin Del Potro in the third round of play at the 2012 US Open tennis tournament, Fri

Friday August 31, 11:12 PM
Ryan Harrison reacts during his match against Argentina's Juan Martin Del Potro in the third round of play at the 2012 US Open tennis tournament, Friday, Aug. 31, 2012, in New York. Harrison lost the match. (AP Photo/Paul Bereswill)