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LOS ANGELES (AP) -- Aaron Baddeley has won the Northern Trust Open for his first PGA Tour victory in four years.

In a battle of two generations, the 29-year-old Baddeley didn't make a mistake over the last six holes at Riviera to hold off Vijay Singh and 51-year-old Fred Couples, who was trying to become the oldest PGA Tour winner in more than 35 years.

Baddeley closed with a 2-under 69 for a two-shot victory over Singh, who turns 48 on Tuesday.

Couples birdied the opening three holes for a one-shot lead that revved up Riviera, but it all changed on the seventh hole – a birdie by Baddeley from the fringe, a double bogey for Couples.

It was the third career PGA Tour win for Baddeley, who had fallen to No. 224 in the world. This gets him back to the Masters.

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