England's Justin Rose claimed a dominant victory at the Farmers Insurance Open with a new tournament record score.
Rose, the 2019 champion, was six shots clear heading into Sunday's final round on the South Course at Torrey Pines and rarely looked troubled during his final 18 holes.
He shot a two-under-par 70 to finish seven shots clear of the field at 23 under par, securing his 13th PGA Tour title.
The 45-year-old Rose, whose last victory came at the FedEx St. Jude Championship in August, birdied the sixth, eighth and ninth holes, with a bogey at the 12th being his only dropped shot.
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The previous best winning score in the tournament's history was 22 under par – set by Tiger Woods in 1999 and George Burns in 1987.
Rose also becomes the oldest player to achieve a wire-to-wire finish on the Tour since Rocco Mediate in October 2010 at the age of 47 – having led after all four rounds.
"It's a huge win and it's fantastic to start the season with a win," Rose said.
"I knew 23 under was a record. I've extended the lead every day, so I wanted to finish seven shots clear rather than six.
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"I had little goals for the last stretch which kept me focused, which was important, and I managed my game well.
"I'm still enjoying it and working hard and I believe there's some good stuff ahead of me."
American Pearson Coody shot the best round of the day – a seven-under-par 65 – which moved him into a tie for second place with South Korea's Si Woo Kim and Japan's Ryo Hisatsune, who both shot 69.
Americans Jake Knapp and Stephan Jaeger of Germany finished a shot further back. Five-time major winner Brooks Koepka, in his first tournament back on the PGA Tour after leaving LIV Golf, finished in 56th place after a final round of 70.
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