Tiger Woods tees off on the 4th hole during the Pro-Am round of the World Challenge golf tournament, an unofficial PGA Tour event sponsored by pro golfer Tiger Woods, at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. Proceeds will benefit the Tiger Woods Foundation. (AP Photo/Bret Hartman)

Tiger Woods hits a tee shot during the Pro-Am at the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the second hole during the Pro-Am at the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Tiger Woods, right, and his caddie Joe LaCava joke around on the fourth hole during the Pro-Am round of the World Challenge golf tournament, an unofficial PGA Tour event sponsored by Woods, at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Brandt Snedeker tees off on the 6th hole during the Pro-Am round of the World Challenge golf tournament, an unofficial PGA Tour event sponsored by pro golfer Tiger Woods, at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. Proceeds will benefit the Tiger Woods Foundation. (AP Photo/Bret Hartman)

Brandt Snedeker reacts after missing a put on the fifth hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Bubba Watson takes the head cover off his driver on the sixth hole while his caddie Ted Scott watches during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits a chip shot from behind the ropes on the fifth hole during the Pro-Am round of the World Challenge golf tournament, an unofficial PGA Tour event sponsored by Woods, at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Webb Simpson waits to putt on the first hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Keegan Bradley hits out of the rough on the first hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the sixth hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Webb Simpson tees off on the second hole during the pro-am of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Tiger Woods hit a shot off the fairway on the fifth hole during the pro-am of the World Challenge golf tournament, at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Keegan Bradley reacts after hitting a putt on the first hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Webb Simpson attempts a put on the first hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Keegan Bradley lines up a putt on the first hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Keegan Bradley attempts a putt on the first hole during the Pro-Am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Wednesday, Nov. 28, 2012. (AP Photo/Bret Hartman)

Keegan Bradley tees off on the second hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits his ball out of the rough on the sixth hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Keegan Bradley lines up a put on the first hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the sixth hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Steve Stricker hits out of a bunker on the seventh hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods, center, and Steve Stricker laugh after teeing off on the sixth hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Jason Day hits a shot out of the rough on the first hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Nick Watney acknowledges the crowd after birding the 18th hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Graeme McDowell tees off on the second hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Webb Simpson lines up a putt on the 18th green during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits his second shot on the 18th hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Bubba Watson reacts after missing a putt on the 18th green during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods, left, reacts after missing a putt on the 17th hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Nick Watney walks to the 18th green during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the fifth hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods, right, pauses before hitting his second shot on the fifth hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods and Steve Stricker hug on the 18th green after playing together during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods waits to take his second shot on the second hole during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits a chip shot during the first round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Thursday, Nov. 29, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the sixth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Graeme McDowell tees off on the sixth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Nick Watney tees off on the sixth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Nick Watney makes a chip on the fifth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Graeme McDowell tees off on the second hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the fifth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits from the rough on the fifth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt tees off on the fifth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Nick Watney tees off on the second hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Keegan Bradley shields himself from the rain as he walks off the second tee during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Rickie Fowler tees off on the second hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Jim Furyk tees off on the sixth hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods, right, and Bo Van Pelt walk down the second hole fairway during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods walks off the fifth tee during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods and his caddie, Joe LaCava, smile on the 16th fairway during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Graeme McDowell attempts a putt on the 18th green during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Graeme McDowell hits from the 18th fairway during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Jim Furyk reacts after hitting his second shot out of the 18th fairway during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods acknowledges the gallery on the 18th green after finishing the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger woods hits a chip shot on the 16th hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Graeme McDowell acknowledges the crowd after finishing the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt watches after hitting his second shot on the 18th hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits his second shot off of the 18th fairway during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the 17th hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Bubba Watson tees off on the second hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Nick Watney walks onto the 18th green during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt reacts after missing a putt on the 17th hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Keegan Bradley, right, lines up a putt as his caddie watches on the 18th green during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Tiger Woods reacts after missing a putt on the 17th hole during the second round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Friday, Nov. 30, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt tees off on the sixth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Graeme McDowell tees off on the sixth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods loses his handle on his club while teeing of on the sixth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Dustin Johnson waits to hit on the fifth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits out of the rough on the fifth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the fifth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Graeme McDowell walks off the second tee during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Rickie Fowler hits his second shot on the fifth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Graeme McDowell acknowledges the crowd after finishing the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Keegan Bradley and Jim Furyk watch Bradley's tee shot on the 17th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt hits his second shot on the 18th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Graeme McDowell hits his second shot on the 18th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods hits his second shot on the 16th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Graeme McDowell watches his second shot on the 18th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods watches his tee shot on the 17th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Rain collects on Tiger Woods' sweater during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the second hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Ian Poulter hits his second shot on the 18th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Matt Kuchar hits a shot on the 16th hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Rickie Fowler tees off on the fifth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods lines up a putt on the fifth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the sixth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Tiger Woods reacts after missing a put on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell tees off on the sixth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the second hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Jim Furyk hits out of sand trap on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt hits out of a sand trap on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Keegan Bradley tees off on the second hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Rickie Fowler tees off on the second hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Dustin Johnson looks for his ball in a creek on the fifth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell walks off the tee box on the second hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the sixth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Tiger Woods walks to the green on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Rickie Fowler protects himself from the rain while waiting to put on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Jim Furyk tees off on the fifth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the fifth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell celebrates after winning the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell poses with the trophy after winning the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell smiles after winning the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell celebrates with the trophy after winning the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell lines up his putt on the 18th hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Keegan Bradley hits his second shot on the 18th hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Tiger Woods tees off on the 16th hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell hits his second shot during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell smiles after nearly chipping in his ball on the 17th green during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Keegan Bradley tees off on the 17th hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Graeme McDowell watches his tee shot on the 16th hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Rickie Fowler chips the ball on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Tiger Woods chips the ball on the fifth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt walks to his ball on the fourth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 2, 2012. (AP Photo/Bret Hartman)

Bo Van Pelt tees off on the fifth hole during the final round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Sunday, Dec. 2, 2012. (AP Photo/Bret Hartman)

FILE - In this Nov. 28, 2012, file photo, Webb Simpson lines up a putt during the pro-am round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif. Golf's two governing bodies outlawed the anchored putting stroke used by four of the last six major champions, approving a new rule that starts in 2016 and urging the PGA Tour to follow along so the 600-year-old sport is still played under one set of rules. (AP Photo/Bret Hartman, File)