...is an April 8, 2007, file photo showing Tiger Woods reacting to a missed birdie putt on the...

...is an April 8, 2007, file photo showing Tiger Woods tipping his cap on the 18th hole during...

MELBOURNE, AUSTRALIA - NOVEMBER 15: Tiger Woods of the USA poses with the trophy after...

MELBOURNE, AUSTRALIA - NOVEMBER 15: Tiger Woods of the USA poses with the trophy after...

DUBAI, UNITED ARAB EMIRATES - FEBRUARY 03: Tiger Woods of the USA receives his winners cheque after...

President-elect Barack Obama, left, greets Tiger Woods during the " We Are One: Opening Inaugural Celebration...

...is an April 8, 2007, file photo showing Tiger Woods reacting to a missed birdie putt on the...

MELBOURNE, AUSTRALIA - NOVEMBER 15: Tiger Woods of the USA plays an approach shot on...

SAN DIEGO - JUNE 16: Tiger Woods speaks with runner-up Rocco Mediate after winning...

LEMONT, IL - SEPTEMBER 13: Tiger Woods walks off the 18th tee during the final...

MELBOURNE, AUSTRALIA - NOVEMBER 12: Tiger Woods of the USA speaks to the media during...

MELBOURNE, AUSTRALIA - NOVEMBER 15: Tiger Woods of the USA prepares to play an approach...

THOUSAND OAKS, CA - DECEMBER 01: A sign of Tiger Woods overlooks the 18th green during preview for the...

THOUSAND OAKS, CA - DECEMBER 01: A sign of Tiger Woods overlooks the 18th green during preview for the...

THOUSAND OAKS, CA - DECEMBER 01: A sign promoting Tiger Woods at the Chevron World Challenge is displayed off...