The 2009 Buick Invitational

1 of 25 Robert Beck/SI
Final Round of the Buick Invitational Nick Watney sunk a birdie putt on the 18th hole at Torrey Pines to win the tournament by one stroke.
2 of 25 Denis Poroy/AP
John Rollins was tied for the lead with Villegas until he bogeyed his final hole, a par 5.
3 of 25 Chris Park/AP
Charley Hoffman took advantage of the easier North Course, shooting a 6-under 66.
4 of 25 Chris Park/AP
Phil Mickelson bogeyed three of the four par 5s and shot even par.
5 of 25 Denis Poroy/AP
Padraig Harrington made the cut by two shots after a 2-over 74.
6 of 25 Denis Poroy/AP
Aaron Baddeley shot a 76 on the South Course, 10 shots higher than his score on Thursday.
7 of 25 Donald Miralle/Getty Images
First Round of the Buick Invitational Camilo Villegas has a commanding three-stroke lead at nine under par after the first round at Torrey Pines.
8 of 25 Denis Poroy/AP
Davis Love III had only one bogey in his 6-under 66 opening round.
9 of 25 Denis Poroy/AP
Aaron Baddeley is also at six under par, three strokes behind Villegas.
10 of 25 Jeff Gross/Getty Images
After missing the cut last week at the FBR Open, Phil Mickelson opened his second tournament of the season with a 2-under 70.
11 of 25 Donald Miralle/Getty Images
Padraig Harrington double bogeyed the par-3 17th hole and finished with a 1-over 71.
12 of 25 Denis Poroy/AP
Second Round of the Buick Invitational Camilo Villegas shot a 2-under 70, and he leads by one stroke heading into the weekend.
13 of 25 Chris Park/AP
Phil Mickelson continued to struggle, shooting a 1-over 73.
14 of 25 Denis Poroy/AP
Unable to identify his ball, Hoffman headed back to the tee. He made a triple bogey and finished with a 74.
15 of 25 Robert Beck/SI
John Rollins, who finished one stroke back, lead for most of the day despite opening his round with bogeys on the first two holes.
16 of 25 Robert Beck/SI
"It's unfortunate that I came in with a three-shot lead and couldn't get the victory," Rollins said.
17 of 25 Robert Beck/SI
Camilo Villegas came within one stroke off the lead, but finished at nine under par.
18 of 25 Robert Beck/SI
Lucas Glover was also in the mix on Sunday. He shot a final-round 68, finishing two strokes off the lead.
19 of 25 Robert Beck/SI
Aaron Baddeley eagled the final hole of the tournament. He finished at four under par.
20 of 25 Denis Poroy/AP
Third Round of the Buick Invitational John Rollins took control of the tournament from Camilo Villegas on Saturday. Rollins shot a 2-under 70 to build a three-shot lead in tough conditions at Torrey Pines.
21 of 25 Denis Poroy/AP
Villegas made a double bogey on the par-5 ninth hole on his way to a 2-over 74.
22 of 25 Denis Poroy/AP
Charley Hoffman got off to a rough start when his opening tee shot found a pine tree.
23 of 25 Denis Poroy/AP
Hoffman tried to identify his golf ball with a fan's binoculars.
24 of 25 Denis Poroy/AP
Next, Hoffman used an umbrella in an attempt to get his ball down.
25 of 25 Donald Miralle/Getty Images
Stuart Appleby, who had back-to-back birdies on Nos. 6 and 7, shot a 4-under 68.