| <p>Phil Mickelson, foreground, and Rickie Fowler walks past a puddle during a stormy practice round for the PGA Championship golf tournament on the Ocean Course of the Kiawah Island Golf Club in Kiawah Island, S.C., Tuesday, Aug. 7, 2012.</p>

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Phil Mickelson: 2012 in Pictures

Phil Mickelson acknowledges the crowd with a thumbs-up after he birdied the 18th hole during the third round of the BMW Championship PGA golf tournament at Crooked Stick Golf Club in Carmel, Ind., Saturday, Sept. 8, 2012.

USA's Phil Mickelson reacts after making a birdie on the 11th hole during a singles match at the Ryder Cup PGA golf tournament Sunday, Sept. 30, 2012, at the Medinah Country Club in Medinah, Ill.

Phil Mickelson hits from the fourth tee at Spyglass Hill Golf Course during the first round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Thursday, Feb. 9, 2012.

Phil Mickelson walks the 10th fairway at Monterey Peninsula Country Club during the second round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Friday, Feb. 10, 2012.

Phil Mickelson hits from the ninth fairway at Pebble Beach Golf Links during the final round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Sunday, Feb. 12, 2012.

Phil Mickelson hits from the 18th tee at Pebble Beach Golf Links during the final round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Sunday, Feb. 12, 2012. Mickelson finished with an 8-under 64 to win the Pebble Beach National Pro-Am and become only the ninth player with 40 career PGA Tour wins.

Tiger Woods, left, and Phil Mickelson stand on the seventh green at Pebble Beach Golf Links during the final round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Sunday, Feb. 12, 2012.

Phil Mickelson hits from the ninth fairway at Pebble Beach Golf Links during the final round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Sunday, Feb. 12, 2012.

Phil Mickelson during the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Sunday, Feb. 12, 2012. Mickelson won the tournament after shooting a 8-under-par 64 to finish at total 17-under-par.

Phil Mickelson lines up a putt on the second hole during the first round of the Northern Trust Open golf tournament at Riviera Country Club in Los Angeles, Thursday, Feb. 16, 2012.

Phil Mickelson watches his tee shot on the ninth hole during the first round of the Northern Trust Open golf tournament at Riviera Country Club in Los Angeles, Thursday, Feb. 16, 2012.

Phil Mickelson tees off on the fifth hole in the third round of the Northern Trust Open golf tournament at Riviera Country Club in Los Angeles Saturday, Feb. 18, 2012.

Phil Mickelson plays during the final round of the Northern Trust Open golf tournament at Riviera Country Club in Los Angeles, Sunday, Feb. 19, 2012.

Phil Mickelson during the first round of the Byron Nelson Golf Championship tournament, Thursday, May 17, 2012, in Irving, Texas.

Phil Mickelson hits out of the bunker on the 15th hole of the final round of the PGA Byron Nelson Championship golf tournament, Sunday, May 20, 2012, in Irving, Texas. Mickelson finished the tournament with a four day total of 6-under, 274.

Phil Mickelson signs autographs after playing in the Pro-Am at the Memorial golf tournament at the Muirfield Village Golf Club in Dublin, Ohio, Wednesday, May 30, 2012.

Europe's Graeme McDowell and USA's Phil Mickelson, right, are introduced during the opening ceremony at the Ryder Cup PGA golf tournament Thursday, Sept. 27, 2012, at the Medinah Country Club in Medinah, Ill.

Phil Mickelson hits from the sand along the sixth hole during the first round of the PGA Championship golf tournament on the Ocean Course of the Kiawah Island Golf Resort in Kiawah Island, S.C., Thursday, Aug. 9, 2012.

Phil Mickelson, foreground, and Rickie Fowler walks past a puddle during a stormy practice round for the PGA Championship golf tournament on the Ocean Course of the Kiawah Island Golf Club in Kiawah Island, S.C., Tuesday, Aug. 7, 2012.

Golf professional Phil Mickelson wears a pink ribbon for Breast Cancer Awareness Month before an NFL football game between the Denver Broncos and the San Diego Chargers Monday, Oct. 15, 2012, in San Diego.

USA's Phil Mickelson runs off the second tee during a foursomes match at the Ryder Cup PGA golf tournament Friday, Sept. 28, 2012, at the Medinah Country Club in Medinah, Ill.

Phil Mickelson hits off the fairway on the first hole during the first round of the Tour Championship golf tournament Thursday, Sept. 20, 2012, in Atlanta.

This May 16, 2012 file photo shows golfer Phil Mickelson watching a baseball game between the Oakland Athletics and Texas Rangers, in Arlington, Texas.

Phil Mickelson yells fore after hitting this drive on the 18th tee during the second round of the PGA Championship golf tournament on the Ocean Course of the Kiawah Island Golf Resort in Kiawah Island, S.C., Friday, Aug. 10, 2012.

USA's Phil Mickelson hands fan Richard Atkins a pin after teeing off on the second hole at the Ryder Cup PGA golf tournament Wednesday, Sept. 26, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson and Keegan Bradley make their way up the first fairway during a foursomes match at the Ryder Cup PGA golf tournament Saturday, Sept. 29, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson hits out of the rough on the fourth hole at the Ryder Cup PGA golf tournament Tuesday, Sept. 25, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson talks to Keegan Bradley on the 12th tee during a foursomes match at the Ryder Cup PGA golf tournament Saturday, Sept. 29, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson hits out of a bunker on the sixth hole during a four-ball match at the Ryder Cup PGA golf tournament Friday, Sept. 28, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson is reflected in his driver during the Ryder Cup PGA golf tournament Tuesday, Sept. 25, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson hits a shot on the sixth hole at the Ryder Cup PGA golf tournament Tuesday, Sept. 25, 2012, at the Medinah Country Club in Medinah, Ill.

Phil Mickelson on the 18th green of the Pebble Beach Golf Links after making a birdie during the final round of the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Sunday, Feb. 12, 2012. Mickelson won the tournament after shooting a 8-under-par 64 to finish at total 17-under-par.

October 22, 2012

Phil Mickelson, foreground, and Rickie Fowler walks past a puddle during a stormy practice round for the PGA Championship golf tournament on the Ocean Course of the Kiawah Island Golf Club in Kiawah Island, S.C., Tuesday, Aug. 7, 2012.