ARDMORE, PA - JUNE 12: (L-R) Rory McIlroy of Northern Ireland, Tiger Woods of the United States and Billy Horschel of the United States wait on a tee box during a practice round prior to the start of ... more 
ARDMORE, PA - JUNE 12: (L-R) Rory McIlroy of Northern Ireland, Tiger Woods of the United States and Billy Horschel of the United States wait on a tee box during a practice round prior to the start of the 113th U.S. Open at Merion Golf Club on June 12, 2013 in Ardmore, Pennsylvania. (Photo by David Cannon/Getty Images) less 
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Getty Images | Photo By David Cannon / Getty Images
Wed, Jun 12, 2013 11:11 AM EDT