Phil Mickelson and Bubba Watson, left, on the 17th green during the first round of the U.S. Open Championship golf tournament Thursday, June 14, 2012, at The Olympic Club in San Francisco.

Phil Mickelson and Bubba Watson, left, on the 17th green during the first round of the U.S. Open Championship golf tournament Thursday, June 14, 2012, at The Olympic Club in San Francisco.