Dustin Johnson watches a shot on the seventh hole during the fourth round of the U.S. Open golf tournament Sunday, June 20, 2010, at the Pebble Beach Golf Links in Pebble Beach, Calif.

Dustin Johnson watches a shot on the seventh hole during the fourth round of the U.S. Open golf tournament Sunday, June 20, 2010, at the Pebble Beach Golf Links in Pebble Beach, Calif.