Players putt on the eighth green during a practice round for the U.S. Open Championship on Wednesday, June 13, 2012, at The Olympic Club in San Francisco. (AP Photo/Ben Margot)

Photo by: Ben Margot

Players putt on the eighth green during a practice round for the U.S. Open Championship on Wednesday, June 13, 2012, at The Olympic Club in San Francisco. (AP Photo/Ben Margot)