LOS ANGELES – Bill Haas wound up making the biggest putt of them all at Riviera.

On the second extra hole of a three-way playoff Sunday — made possible by clutch birdie putts from Phil Mickelson and Keegan Bradley on the final hole — Haas rolled in a 45-foot birdie putt across the 10th green to win the Northern Trust Open.

Haas closed with a 2-under 69 and won a PGA Tour event for the third straight year.

He was on the practice range at 7-under 277, warming up for a playoff that didn’t look likely. Mickelson and Bradley, the co-leaders going into the final round, were one shot behind on the 18th hole, which had given up only six birdies all day.

Mickelson rammed in a birdie putt from just outside 25 feet, pointing his putter and slamming his fist as the gallery packed into the hill below the stately clubhouse let out a cheer that could be heard down Sunset Boulevard. Bradley’s birdie putt from just outside 12 feet took one last, slow turn at the cup and disappeared, setting off another enormous cheer.

They started the playoff on the 18th, and Bradley had the best look at birdie with a 15-footer from just off the back of the green that touched the right side of the cup.

It was decided on the 312-yard 10th hole.

Haas went long into thick rough, with enough of the back bunker in his way that he smartly played out to the right and left himself a long birdie putt that at least would assure him par.

Mickelson and Bradley came up short. Mickelson’s flop shot landed near the hole and rolled into the back bunker. Bradley was in the bunker, and did well to blast out to 15 feet.

Haas ended the suspense with his putt.

Bradley missed his birdie putt after Mickelson failed to hole his bunker shot.

LPGA: Top-ranked Yani Tseng successfully defended her LPGA Thailand title for her 13th tour victory with birdies on the final two holes to hold off playing partner Ai Miyazato by a stroke at Chonburi, Thailand.

Tseng shot a 6-under 66 to finish at 19-under 269 on Siam Country Club’s Pattaya Old Course. She opened with a 73, then shot consecutive 65s to enter the final round a shot behind Miyazato.

On the par-5 18th, Tseng hit her 104-yard approach to tap-in range after Miyazato also hit close.

CHAMPIONS TOUR: Kenny Perry won the ACE Group Classic for his second tour title, beating 2011 winner Bernhard Langer by five strokes at Naples, Fla.

After opening with rounds of 64 and 62 to break the tour’s 36-hole record at 18-under 126, Perry closed with a 2-under 70 on The TwinEagles Club’s Talon Course. Perry, a 14-time winner on the PGA Tour, finished at 20 under to match the tournament scoring record that Langer set last year at The Quarry.

Langer eagled No. 17 for the third straight day in his 70.

Perry tied Allen Doyle’s 1999 tournament mark for the largest margin of victory.

Perry had 24 birdies, two short of the tour record for a 54-hole event.

EUROPEAN TOUR: South Africa’s Jbe Kruger won the Avantha Masters for his first title, shooting a 3-under 69 for a two-shot victory. at New Delhi.

Kruger finished at 14-under 274. Spain’s Jorge Campillo and Germany’s Marcel Siem tied for second.

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