Phil Mickelson is congratulated by Cowboys quarterback Tony Romo, who was paired with Tiger Woods, after Mickelson finished his round of 64 to clinch his 40th PGA Tour victory at 17 under on Sunday at the AT&T Pebble Beach National Pro-Am. (Jeff Gross / Getty Images)
Phil Mickelson begins to celebrate after sinking his final putt at No. 18 on Sunday in the AT&T Pebble Beach National Pro-Am. (Ezra Shaw / Getty Images)
Phil Mickelson gives the gallery the thumbs-up sign as he walks the 17th fairway with a three-shot lead in hand on Sunday during the final round of the AT&T Pebble Beach National Pro-Am. (Eric Risberg / Associated Press)
Phil Mickelson acknowledges the crowd after making a putt at No. 13 on Sunday during the final round of the AT&T Pebble Beach National Pro-Am golf tournament. (Eric Risberg / Associated Press)
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Tiger Woods pitches onto the green at No. 14 during the final round of the AT&T Pebble Beach National Pro-Am on Sunday. (Ezra Shaw / Getty Images)
Aaron Baddeley, who had a closing-round 67 to finish in fourth place at 12 under, hits his tee shot at the 14th hole Sunday during the final round of the AT&T Pebble Beach National Pro-Am. (Harry How / Getty Images)
Phil Mickelson had reason to smile on the back nine Sunday after opening a three-shot lead in the AT&T Pebble Beach National Pro-Am. (Ezra Shaw / Getty Images)
Tiger Woods celebrates after holing a shot from a greenside bunker at No. 12 on Sunday during the final round of the AT&T Pebble Beach National Pro-Am. (Ezra Shaw / Getty Images)
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Tiger Woods hits from a greenside bunker at No. 12 during the final round of the AT&T Pebble Beach National Pro-Am on Sunday. (Ezra Shaw / Getty Images)
Ricky Barnes, who tied for second-low round with a five-under 67 to finish third overall, hits his tee shot at the 10th hole Sunday during the final round of the AT&T Pebble Beach National Pro-Am . (Harry How / Getty Images)
Phil Mickelson acknowledges the cheers on the 10th hole Sunday during the final round of the AT&T Pebble Beach National Pro-Am. (Ezra Shaw / Getty Images)
Tiger Woods releases his driver on the follow through to his drive at No. 10 Sunday during the final round of the AT&T Pebble Beach National Pro-Am on Sunday. (Jeff Gross / Getty Images)
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Phil Mickelson hits his tee shot at No. 7 on Sunday during the final round at Pebble Beach. (Ezra Shaw / Getty Images)
Charlie Wi, who led after each of the first three rounds, hits out of a bunker at the fifth hole Sunday during the final round of the AT&T Pebble Beach National Pro-Am. Wi would shoot a closing-round 72 to finish in second place at 15 under. (Ben Margot / Associated Press)
Tiger Woods, left, and Phil Mickelson wait on the tee box at No. 7 during the final round of the AT&T Pebble Beach National Pro-Am on Sunday. (Ezra Shaw / Getty Images)
Phil Mickelson reacts after making an eagle putt at No. 6 to claim a two-shot lead during the final round of the AT&T Pebble Beach National Pro-Am on Sunday. (Jeff Gross / Getty Images)
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Charlie Wi, who led after each of the first three rounds, waits to hit from the third tee at the Pebble Beach Golf Links during the final round of the AT&T Pebble Beach National Pro-Am. (Ben Margot / Associated Press)
Phil Mickelson reacts after missing a putt for eagle at No. 2 during the final round of the AT&T Pebble Beach National Pro-Am on Sunday. (Harry How / Getty Images)
Phil Mickelson watches his tee shot at No. 2 during the final round at Pebble Beach on Sunday. (Ben Margot / Associated Press)