Final Round at 2012 Northern Trust Open

1 of 13 LUCY NICHOLSON / Reuters
Bill Haas birdied the second playoff hole from 45 feet to earn his fourth career PGA Tour victory -- and stun his playoff opponents, Phil Mickelson and Keegan Bradley.
2 of 13 LUCY NICHOLSON / Reuters
Bill Haas grabbed the solo lead for the first time on the 10th hole, after Mickelson made a bogey on the ninth.
3 of 13 Chris Condon / Getty Images
Mickelson began the day tied for the lead with Keegan Bradley.
4 of 13 LUCY NICHOLSON / Reuters
Mickelson was seeking back-to-back PGA Tour wins for the first time since 2006.
5 of 13 LUCY NICHOLSON / Reuters
Mickelson surrendered the lead with back-to-back bogeys on holes 8 and 9.
6 of 13 Chris Carlson / AP
Mickelson was seeking his 41st career PGA Tour victory.
7 of 13 Harry How / Getty Images
Mickelson drilled a dramatic 25-foot birdie putt on the 72nd hole of regulation to force the playoff.
8 of 13 Harry How / Getty Images
Bradley was tied for the lead at the start of the day.
9 of 13 Harry How / Getty Images
Bradley made two early bogeys, but kept his focus while making birdies on holes 7, 9 and 11.
10 of 13 Stephen Dunn / Getty Images
Bradley buried a 12-footer on the final hole -- moments after Mickelson made his own lengthy birdie putt -- to qualify for the playoff.
11 of 13 Stephen Dunn / Getty Images
Jonathan Byrd was in contention all afternoon.Jonathan Byrd was in contention all afternoon before stumbling late to finish T8.
12 of 13 Stephen Dunn / Getty Images
Dustin Johnson had his Sunday charge derailed with a bogey on the 15th hole. He finished tied for fourth.
13 of 13 Jake Roth / U.S. PRESSWIRE
Rickie Fowler struggled to a final-round 79 and finished tied for 62nd.