Round 1 at 2012 Arnold Palmer Invitational

1 of 9 Fred Vuich/SI
Tiger Woods made four birdies and a bogey for a three-under 69.
2 of 9 Fred Vuich/SI
Woods appeared healthy on Thursday after his two recent injuries. He strained his left Achilles tendon two weeks ago, and Woods tweaked his back during the pro-am on Wednesday.
3 of 9 Fred Vuich/SI
Phil Mickelson made four birdies, a bogey and two double bogeys for a 73.
4 of 9 Sam Greenwood/Getty Images
Arnold Palmer stopped by to chat with Mickelson during his round.
5 of 9 Sam Greenwood/Getty Images
Anthony Kim broke out of a slump with a three-under 69. Kim's round included an ace on the par-3 17th.
6 of 9 Fred Vuich/SI
Ernie Els made two late bogeys for a one-under 71.
7 of 9 Fred Vuich/SI
Hunter Mahan bogeyed his last two holes for a 72.
8 of 9 David Cannon/Getty Images
Charlie Wi fired a six-under 66 to take the lead.
9 of 9 Sam Greenwood/Getty Images
Nick Watney made six birdies on his way to a four-under 66, putting him only two back of Wi.