NAPA, Calif. >> Brendan Steele rallied to successfully defend his Safeway Open title, closing with a 3-under 69 on Sunday for a two-stroke victory over Tony Finau in the season opener.Phil Mickelson and Chesson Hadley finished three shots behind.Two strokes behind surprising leader Tyler Duncan entering the day at Silverado Resort and Spa, Steele birdied the par-5 16th and 18th holes - holing a 3-footer on 18.