Rory McIlroy, of Northern Ireland, reacts to his shot on the second hole during the first round of the U.S. Open golf tournament at Merion Golf Club, Thursday, June 13, 2013, in Ardmore, Pa. (AP ... more 
Rory McIlroy, of Northern Ireland, reacts to his shot on the second hole during the first round of the U.S. Open golf tournament at Merion Golf Club, Thursday, June 13, 2013, in Ardmore, Pa. (AP Photo/Darron Cummings) less 
1 / 30
Associated Press | Photo By Darron Cummings
Thu, Jun 13, 2013 7:26 PM EDT