Arnold Palmer Invitational final leaderboard
-13: T Woods (US)-11: J Rose (Eng)-8: M Wilson (US), K Bradley (US), G F'dez-Castano (Spa), R Fowler (US)-7: T Olesen (Den)Selected others: -4: B Watson (US)-2: I Poulter (Eng)level: M Laird (Sco)+2: G McDowell (NI)+3: G Owen (Eng)+4: V Singh (Fij)+5: L Westwood (Eng)
Tiger Woods returned to the top of the world rankings for the first time since October 2010 after winning the Arnold Palmer Invitational by two strokes.
The 37-year-old had played two holes of his final round when a torrential storm ended proceedings in Florida on Sunday.
Resuming with a three-stroke lead he added four more birdies and dropped three shots in a 70 for a 13-under-par total, his third PGA victory of 2013.
England's world number five Justin Rose also carded a 70 to finish second.
It was a sixth title in his last 20 starts on the PGA Tour for Woods, his 77th in total and the eighth time he has won the Bay Hill tournament.
Rickie Fowler moved to within two shots of Woods with four holes remaining but dropped four strokes in the next two holes, including a triple-bogey eight at the 16th, when he put two shots into the water.
Woods, who leaked several tee shots to the right, was in the large fairway bunker at the 16th, from where he found the water on Friday, but struck a majestic escape into the heart of the green and calmly two-putted for a birdie.
Rose, who was at the top of the leaderboard on the first two rounds before dropping back with a 72 on Saturday resumed four shots adrift with 16 holes of his final round remaining.
He dropped a shot at his first hole of the day and at the third, but recorded four birdies, ensuring sole possession of second with an assured up and down from the greenside bunker at the par-three 17th.
"I play well here, it's as simple as it gets," said Woods, number one for the 11th time. "I'm very pleased with the way I'm playing."