ARDMORE, PA - JUNE 13: Jason Dufner of the United States hits his tee shot on the 11th hole during Round One of the 113th U.S. Open at Merion Golf Club on June 13, 2013 in Ardmore, Pennsylvania. ... more 
ARDMORE, PA - JUNE 13: Jason Dufner of the United States hits his tee shot on the 11th hole during Round One of the 113th U.S. Open at Merion Golf Club on June 13, 2013 in Ardmore, Pennsylvania. (Photo by Drew Hallowell/Getty Images) less 
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Getty Images | Photo By Drew Hallowell / Getty Images
Thu, Jun 13, 2013 9:01 AM EDT