Phil Mickelson hits his tee shot on the 15th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson tosses his ball to his caddie while on the 15th green during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

With a saguaro cactus dwarfing him in the background, Phil Mickelson tips his visor to the crowd after making a birdie on the 12th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Rickie Fowler tees off on the 15th hole during the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Rickie Fowler waves to the crowd after making a birdie at the 13th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Phil Mickelson tees off on the 12th hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Phil Mickelson chips to the 15th green during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson, right, greets Jason Dufner after the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Ryo Ishikawa, of Japan, hits from the first fairway during the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson reacts to the crowd after missing a birdie putt on the ninth green during the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Ryan Palmer reacts to his missed birdie putt on the ninth green during the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Ryan Palmer hits from the ninth fairway during the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson smiles after finishing te first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. Mickelson shot a course record 11-under par 60 for the round. (AP Photo/Ross D. Franklin)

Brandt Snedeker waves to the crowd after finishing the first round of the Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. Snedeker finished the first round with a 7-under par 64.(AP Photo/Ross D. Franklin)

Padraig Harrington, of Ireland, watches his birdie putt attempt just miss the cup on the ninth hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Mike Weir, of Canada, waves to the crowd after finishing on the 18th green during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Mike Weir, left, and Stephen Ames, both of Canada, shake hands after finishing their first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Y.E. Yang, of South Korea, hits his approach shot into the 18th green during the first round of the Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Padraig Harrington, of Ireland, smiles as he tips his cap after finishing his round on the ninth hole, during the first round of the Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz. Harrington shot a 7-under 64. (AP Photo/Ross D. Franklin)

With the gallery in the background, Jeff Overton putts onto the 18th green during the first round of the Waste Management Phoenix Open golf tournament Thursday, Jan. 31, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Bubba Watson hits from the eighth tee during the first round of the Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Nick Watney signals wide left from the fifth tee as Bubba Watson stands behind during the first round of the Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Bubba Watson hits from the sixth tee during the first round of the Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Defending champion Kyle Stanley hits from the eighth tee during the first round of the Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Russell Henley hits from near a tree on the eighth hole during the first round of the Waste Management Phoenix Open golf tournament, Thursday, Jan. 31, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson watches his tee shot on the fourth hole during the second round of the Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Rickie Fowler hits out of the rough on the second hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

With the gallery behind him, Rickie Fowler hits on the fifth hole during the second round of the Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Aaron Baddeley, right, of Australia, and Rory Sabbatini, of South Africa, walk past a cactus plant on the 10th hole during the second round of the Waste Management Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Phil Mickelson walks through a gauntlet of fans trying to give him a high-five as he walks to the third tee during the second round of the Waste Management Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson hits from the rough on the second hole during the second round of the Waste Management Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Bubba Watson tees off on the fifth hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Keegan Bradley tees off at the fifth hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Angel Cabrera, of Argentina, watches his tee shot on the fifth hole during the second round of the Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Sang-Moon Bae, of South Korea, watches his tee shot on the fourth hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Graham DeLaet, of Canada, hits his tee shot on the fourth hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Ryo Ishikawa, of Japan, tries to coax his ball back onto the fairway after his tee shot on the fifth hole during the second round of the Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

As the gallery looks on, Phil Mickelson hits out of a fairway bunker on the third hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson tips his cap to a cheering crowd after making par on the second hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Framed by a cactus, Aaron Baddeley, of Australia, tees off on the 11th hole during the second round of the Waste Management Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson gives a thumbs-up to the crowd after making an eagle on the 15th hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson hits his tee shot on the 17th hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson hits his tee shot at the 16th hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

As the crowd cheers, Phil Mickelson walks to the 16th green during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson reacts to his birdie on the 17th hole during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson smiles to the cheering crowd as he walks off the 16th green during the second round of the Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson gives a thumbs-up to the crowd as he walks up to the 15th green during the second round of the Waste Management Phoenix Open golf tournament on Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Brandt Snedeker walks off the 18th green after finishing the second round of the Phoenix Open golf tournament Friday, Feb. 1, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson hits from a bunker on the third hole during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson watches his birdie putt drop on the first green during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson chips to the sixth green as a large gallery watches from behind during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson reacts to his birdie putt on the first green during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Troy Matteson hits from the first fairway during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson hits from the second tee during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson hits from the seventh tee during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Bill Haas reacts to a missed birdie putt on the sixth green during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Keegan Bradley hits from the fifth tee during the third round of the Waste Management Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson watches his birdie putt drop on the 18th green during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson gives a thumbs-up as he walks up the 18th green during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Fans cheer on the 16th green during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Padraig Harrington hits from the 18th fairway during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Brandt Snedeker lines up his putt on the 16th green during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Keegan Bradley hits from the 18th fairway bunker during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson runs to the 17th tee from the 16th green during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Brandt Snedeker adjusts his visor on the 17th tee during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Brandt Snedeker hits from the 16th tee during the third round of the Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Ryan Moore walks to the 16th tee during the third round of the Waste Management Phoenix Open golf tournament on Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Padraig Harrington, of Ireland, reacts to his shot from the 18th fairway during the third round of the Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson tips his cap to the crowd on the 17th green during the third round of the Phoenix Open golf tournament, Saturday, Feb. 2, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Ryan Moore, right, hands his club to his caddy on the second fairway during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Scott Piercy hits from the second bunker during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Ryan Moore, left, inspects his ball as Scott Piercy prepares to putt on the third green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson tosses the ball to his caddy on the third green during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Bill Haas hits from the second tee during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Padraig Harrington hits from the fourth tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson hits from the fourth tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Brendan Steele hits from the second fairway during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson celebrates after making a long birdie putt on the seventh hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson shouts as he celebrates a long birdie putt on the seventh hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Phil Mickelson pumps his arms as he celebrates a long birdie putt on the seventh hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson, left, smiles as he bumps elbows with Brandt Snedeker after both make birdie on the seventh hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Brandt Snedeker, left, smiles as Phil Mickelson walks past after Mickelson madea long birdie putt on the seventh hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Brandt Snedeker, right, laughs with Phil Mickelson as they talk about Mickelson's long birdie putt at the seventh hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Padraig Harrington, of Ireland, chips out from under a tree with a left-handed shot during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Brandt Snedeker hits out of a bunker at the fifth green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

With the gallery surrounding him, Padraig Harrington, of Ireland, hits out of the rough on the fifth hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson walks past the gallery on his way to the third hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson removes his cap after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson removes his cap after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson, left, hugs his caddie, Jim Mackay, after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

After the final round, Phil Mickelson, upper right, celebrates with the crowd after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz.(AP Photo/Ross D. Franklin)

Phil Mickelson hits from the 11th tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson hits out of the 14th bunker during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Brandt Snedeker, left, and Phil Mickelson watch Snedeker's shot from the 13th tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Brandt Snedeker reacts to missing a birdie putt on the 12th green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Snedeker finished in second place. (AP Photo/Matt York)

Phil Mickelson smiles on the ninth green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournamen. (AP Photo/Matt York)

Phil Mickelson misses his birdie putt on the 18th green during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament with a 28 under par. (AP Photo/Matt York)

Phil Mickelson smiles after his par putt on18th green during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament with a 28 under par. (AP Photo/Matt York)

Phil Mickelson holds the championship trophy as he poses for photographers with the Phoenix Thunderbirds after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson poses for photographers with the championship trophy after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Padraig Harrington kicks a football to fans on the 16th tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Padraig Harrington kicks a football to fans on the 16th tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Matt York)

Phil Mickelson watches his second shot land on the 17th green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament. (AP Photo/Matt York)

Phil Mickelson hits from the 15th tee during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament. (AP Photo/Matt York)

Brandt Snedeker tries to remove his ball from a cactus during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Snedeker finished in second place. (AP Photo/Matt York)

Phil Mickelson poses for photographers with the championship trophy after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz .(AP Photo/Ross D. Franklin)

Phil Mickelson hits from the desert rough on the 13th fairway during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament. (AP Photo/Matt York)

Phil Mickelson gives a thumbs-up to the cheering crowd as he walks up the 18th fairway during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

On the 18th green, Phil Mickelson tips his visor to the crowd after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson gives a thumbs-up to the crowd as he walks off the course after winning the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson greets fans on the ninth green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament. (AP Photo/Matt York)

Phil Mickelson watches his ball take flight from the 10th tee as crowds watch during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Mickelson won the tournament. (AP Photo/Matt York)

As crowds gather at the TPC Scottsdale, Phil Mickelson (wearing black), far right center, hits a putt on the 18th green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Brandt Snedeker reacts to a missed birdie putt on the 10th green during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. Snedeker finished in second place. (AP Photo/Matt York)

Crowds greet the last group of golfers, including Phil Mickelson, at the 16th hole during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

Phil Mickelson, center, reacts to missing a birdie putt at the 16th hole as caddie Jim Mackay, top right, and Brandt Snedeker, far left, look on during the final round of the Waste Management Phoenix Open golf tournament on Sunday, Feb. 3, 2013, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)