Tiger Woods, left, receives his Masters green jacket from last...

...FRANCISCO - DECEMBER 17: An image of professional golfer Tiger Woods is seen on an Accenture advertisement December 17...

MELBOURNE, AUSTRALIA - NOVEMBER 10: Tiger Woods of the USA is given direction by his...

Nov 15, 2009 - Melbourne, Australia - TIGER WOODS watches his second shot on the par 4...

'Tiger Woods PGA Tour Online' Gallery

...MARCH 22: Geoff Ogilvy (R) of Australia and Tiger Woods of the USA walk down the 9th hole...

SAN DIEGO - JUNE 15: Tiger Woods reacts to his birdie putt on the 18th...

Tiger Woods of the US looks for his ball in...

September 26, 2009 Tour Championship Tiger Woods hits his tee shot saturday at eastlake

Andy North

Andy North discusses how Tiger Woods' absence will affect the PGA Tour

US golfer Tiger Woods stands on the 18th green, on the second...

SHANGHAI, CHINA - NOVEMBER 05: Tiger Woods of the USA watches his tee shot on...

BETHESDA, MD - JULY 05: Tiger Woods waits in the 18th fairway during the final...

1. Tiger Woods

Before his marital troubles made him the butt of late-night jokes, he revolutionized an otherwise vanilla sport and became one of the most famous men ...

DULUTH, UNITED STATES: US golfers Tiger Woods (L) and David Duval (R) watch Tiger's...