American Bubba Watson won the Northern Trust Open for the second time in three years as Rory McIlroy slumped to a final round of 75 in California.
Watson closed with a 68 to take victory by one stroke from compatriot Jason Kokrak and Australian Adam Scott.
McIlroy had gone into the final round two shots off the lead and opened with an eagle, but seven bogeys followed before a consolation birdie at 18.
Ryan Moore of the US made a hole-in-one at the 16th on his way to nine under. BBC
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