Phil Mickelson walks the 10th fairway at Monterey Peninsula Country Club during the second round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Friday, Feb. 10, 2012.

Phil Mickelson walks the 10th fairway at Monterey Peninsula Country Club during the second round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Friday, Feb. 10, 2012.