Photo by Associated Press | <p>Tiger Woods holds his left knee after teeing off on the second hole during the fourth round of the 2008 U.S. Open at Torrey Pines in San Diego. Woods had reconstructive surgery on his left knee Tuesday, June 24, 2008, in Utah to repair a torn ligament. Woods went on to win in a playoff over Rocco Mediate.<br /></p>

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Tiger Woods: Through the professional years

This Nov. 10, 2010, file photo shows Tiger Woods at a news conference after his round at the Australian Masters Pro-Am event at Victoria Golf Club in Melbourne, Australia. Woods believes he finally is ready to move on after a self-destructive year that cost him his marriage, his mystique, millions in endorsements and, lastly, his No. 1 ranking. What remains are relationships to repair, along with his golf game.

Tiger Woods lines up a putt on Saturday, June 1, 1996, during the final round of the NCAA Men's Golf Championships at The Honors Course in Ooltewah, Tenn. Woods went on to win the individual title. (AP Photo/Mark Humphrey)

Tiger Woods shakes hands with Jack Nicklaus after receiving the Jack Nicklaus College Player of the Year award in ceremonies at the Memorial Tournament in Dublin, Ohio, Sunday, June 2, 1996.

Tiger Woods holds his trophy aloft after winning the Las Vegas Invitational in Las Vegas, Nevada. It was the first win of his pro career.

Masters champion Tiger Woods holds a replica of the Masters Trophy after winning the tournament at the Augusta National Golf Club in Augusta, Ga., Sunday, April 13, 1997.

Tiger Woods celebrates as he wins the 1997 Masters with a record-breaking 18-under-par performance at the Augusta National Golf Club in Augusta, Ga., Sunday, April 13, 1997. (AP Photo/Curtis Compton)

Tiger Woods celebrates after winning the 100th U.S. Open Golf Championship at the Pebble Beach Golf Links in Pebble Beach, Calif., Sunday, June 18, 2000. Finishing at 12 under par, Woods topped second-place Ernie Els by a remarkable 15 shots.

Tiger Woods waves to fans after he won the 81st PGA Championship at the Medinah Country Club in Medinah, Ill., on Sunday, Aug. 15, 1999. Woods shot an 11-under 277, beating Sergio Garcia, of Spain, by one stroke. (AP Photo/Beth A. Keiser)

Tiger Woods, right, of the United States, holds the trophy as he makes his winner's speech outside the clubhouse at the end of the final day of the British Open Golf championship on the Old Course at St. Andrews, Scotland, Sunday, July 23, 2000. At center is South Africa's Ernie Els and at left Denmark's Thomas Bjorn the joint second-place finishers. (AP Photo/Adam Butler)

In this Aug. 20, 2000 photo, Tiger Woods points to his ball as it drops for birdie on the first hole of a three-hole playoff against Bob May at the PGA Championship at Valhalla Golf Club in Louisville, Ky. (AP Photo/Chuck Burton, File)

Tiger Woods reacts on the 18th hole after winning the 2001 Masters by two strokes over David Duval at the Augusta National Golf Club in Augusta, Ga. The win was Woods' fourth straight major title, completing what many would call the "Tiger Slam."

Tiger Woods, left, receives the 2002 Masters Green Jacket from Augusta National Golf Club chairman William W. "Hootie" Johnson. The win was Woods' third Masters title and second in a row.

Tiger Woods gestures as he watches his shot to the 13th hole Sunday, June 16, 2002 at the U.S. Open Golf Championship at the Black Course of Bethpage State Park in Farmingdale, N.Y. Woods went on to win by three shots over Phil Mickelson.

Tiger Woods, center, sits with his fiancee Elin Nordegren, left, and his friend Jerry Chang, right, during Stanford's basketball game against Arizona in this Feb. 7, 2004.

Tiger Woods reacts to winning the 2005 Masters in a playoff with Chris DiMarco on the 18th hole during final-round play at Augusta National Golf Club in Augusta, Ga.

Tiger Woods speaks at a press conference with the trophy after winning the 2005 British Open on the Old Course at St. Andrews. (AP Photo/Ted S. Warren)

Tiger Woods, right, reacts as he walks off the 18th green with his caddie Steve Williams after winning the British Open Golf Championship at the Royal Liverpool Golf Course in Hoylake, England Sunday July 23, 2006. The win was Woods' first major title since the death of his father, Earl.

Tiger Woods holds up the Wanamaker Trophy after winning the 89th PGA Golf Championship at the Southern Hills Country Club in Tulsa, Okla., Sunday, Aug. 12, 2007. The win was Tiger's 13th major title.

Tiger Woods holds his left knee after teeing off on the second hole during the fourth round of the 2008 U.S. Open at Torrey Pines in San Diego. Woods had reconstructive surgery on his left knee Tuesday, June 24, 2008, in Utah to repair a torn ligament. Woods went on to win in a playoff over Rocco Mediate.

Tiger Woods reacts after sinking a birdie putt on the 18th green, forcing a playoff against Rocco Mediate during the final round of the 2008 U.S. Open at Torrey Pines in San Diego.

Phil Mickelson, left, winner of the Tour Championship and Tiger Woods, right, winner of the Fed Ex Cup, pose at East Lake Country Club.

This photo taken Nov. 27 and provided by TMZ.com shows a Cadillac Escalade that Tiger Woods crashed into a tree outside his home in Windermere, Fla.

Tiger Woods during his statement at the Sawgrass Players Club, Friday, Feb. 19, 2010, in Ponte Vedra Beach, Fla.

Media outlets, such as CNN with reporter Susan Candiotti (far right), conduct live shows outside the Sawgrass Marriott in Ponte Vedra Beach, Fla., prior to Tiger Woods' statement.

Elin Nordegren is featured on the cover of the Sept. 6, 2010 issue of People.

Tiger Woods answered questions in a press conference Monday for the first time since his Thanksgiving night accident that led to revelations of multiple extramarital affairs.

Tiger Woods during the final round of the WGC-Bridgestone Invitational. On a Firestone Country Club course that he has dominated in the past, Woods posted his highest 72-hole score as a professional, including a closing 77 that left him in a tie for 78th place in the 79-man field.

Caddie Steve Williams holds a club as Tiger Woods hits on the driving range during a practice round for the PGA Championship.

Tiger Woods and swing coach Sean Foley watch Tiger's swing video at the 2010 BMW Championship on Sept. 8, 2010.

Tiger Woods chats with the media after shooting 65 in the first round of The Barclays.

Tiger Woods doffs his cap after holing out for eagle on the 12th hole during Ryder Cup singles. In arguably his most dominant round of 2010, Woods claimed a 4-and-3 win over Francesco Molinari.

Tiger Woods during the first round of the 2010 Chevron World Challenge at the Sherwood Country Club.

Tiger Woods of the U.S. and Steve Williams, caddie to Adam Scott, shake hands on the first tee during the Day 1 Foursome matches at the 2011 Presidents Cup

Tiger Woods of the U.S. celebrates with fans after the U.S. team defeated the International team on the final day of the Presidents Cup.

Tiger Woods celebrates after his birdie putt on the 18th hole to win the Chevron World Challenge.

January 31, 2011

Photo by Associated Press

Tiger Woods holds his left knee after teeing off on the second hole during the fourth round of the 2008 U.S. Open at Torrey Pines in San Diego. Woods had reconstructive surgery on his left knee Tuesday, June 24, 2008, in Utah to repair a torn ligament. Woods went on to win in a playoff over Rocco Mediate.