Tiger Woods, left, and his his caddie Joe LaCava make their way to the 10th tee during a practice round for the U.S. Open Championship golf tournament Monday, June 11, 2012, in San Francisco.

Tiger Woods, left, and his his caddie Joe LaCava make their way to the 10th tee during a practice round for the U.S. Open Championship golf tournament Monday, June 11, 2012, in San Francisco.