LOS ANGELES (AP) — Bill Haas made the biggest putt of them all Sunday at Riviera — the putt that won the Northern Trust Open.

Haas closed with a 2-under 69 and wound up in a three-way playoff when Phil Mickelson made a birdie putt from just outside 25 feet on the 18th hole, and PGA champion Keegan Bradley joined him with a 12-foot birdie putt.

The tournament was decided on the second extra hole, the par-4 10th, perhaps the most interesting par 4 in golf. Haas had to play safe from behind the green, then rolled in a 45-foot birdie putt.

Mickelson was short and hit a flop shot over the green into a bunker. Bradley missed a 15-foot putt to extend the playoff.

Haas won for the fourth time in his career.

(© 2012 by STATS LLC and Associated Press. Any commercial use or distribution without the express written consent of STATS LLC and Associated Press is strictly prohibited.)