Graeme McDowell, of Northern Ireland, reacts after making a birdie putt on the 17th hole during the fourth round of the U.S. Open Championship golf tournament Sunday, June 17, 2012, at The Olympic Club in San Francisco.

Graeme McDowell, of Northern Ireland, reacts after making a birdie putt on the 17th hole during the fourth round of the U.S. Open Championship golf tournament Sunday, June 17, 2012, at The Olympic Club in San Francisco.