ARDMORE, PA - JUNE 13: A weather warning sign is seen on third green during Round One of the 113th U.S. Open at Merion Golf Club on June 13, 2013 in Ardmore, Pennsylvania. (Photo by Ross ... more 
ARDMORE, PA - JUNE 13: A weather warning sign is seen on third green during Round One of the 113th U.S. Open at Merion Golf Club on June 13, 2013 in Ardmore, Pennsylvania. (Photo by Ross Kinnaird/Getty Images) less 
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Getty Images | Photo By Ross Kinnaird / Getty Images
Thu, Jun 13, 2013 9:02 AM EDT