ARDMORE, PA - JUNE 13: A weather warning sign is seen on a leaderboard on the 18th hole during Round One of the 113th U.S. Open at Merion Golf Club on June 13, 2013 in Ardmore, Pennsylvania. (Photo by... more 
ARDMORE, PA - JUNE 13: A weather warning sign is seen on a leaderboard on the 18th hole during Round One of the 113th U.S. Open at Merion Golf Club on June 13, 2013 in Ardmore, Pennsylvania. (Photo by Andrew Redington/Getty Images) less 
1 / 6
Getty Images | Photo By Andrew Redington / Getty Images
Thu, Jun 13, 2013 9:11 AM EDT