Johnson plays like No. 1 and seizes control at the Masters

Associated Press Dustin Johnson waves during his 7-under 65 third round Saturday at the Masters,

AUGUSTA, Ga. — Dustin Johnson began his assault on Augusta National with a 5-iron for a tap-in eagle, and he never relented until he matched the 54-hole record at the Masters and built a four-shot lead to put himself in prime position for another major.