Tiger Woods watches his tee shot on the ninth hole during the pro-am of the Arnold Palmer Invitational golf tournament in Orlando, Fla., Wednesday, March 20, 2013.(AP Photo/Phelan M. Ebenhack)
In this 2013 photo provided by Tiger Woods and Lindsey Vonn, golfer Tiger Woods and skier Lindsey Vonn pose for a portrait. Two months after rumors began circulating in Europe, Woods and Vonn posted separate items on their Facebook pages Monday, March 18, 2013, to announce their relationship. (AP Photo/Courtesy Tiger Woods/Lindsey Vonn)
In this 2013 photo provided by Tiger Woods and Lindsey Vonn, golfer Tiger Woods and skier Lindsey Vonn pose for a portrait. Two months after rumors began circulating in Europe, Woods and Vonn posted separate items on their Facebook pages Monday, March 18, 2013, to announce their relationship. (AP Photo/Courtesy Tiger Woods/Lindsey Vonn)
Tiger Woods looks back to catch a ball after his caddie cleaned it on the eighth green during the final round of the Cadillac Championship golf tournament on Sunday, March 10, 2013, in Doral, Fla. Woods won the championship. (AP Photo/Wilfredo Lee)
Tiger Woods pumps his fist after making birdie putt on the 18th hole during the third round of the Cadillac Championship golf tournament Saturday, March 9, 2013, in Doral, Fla. (AP Photo/Alan Diaz)
Tiger Woods hits from the third fairway during the second round of the Cadillac Championship golf tournament Friday, March 8, 2013, in Doral, Fla. (AP Photo/Wilfredo Lee)
Tiger Woods, right, talks with Rory McIlroy, of Northern Ireland, as they wait to tee off at the 13th tee during the first round play at the Cadillac Golf Championship in Doral, Fla., Thursday March 7, 2013. (AP Photo/Wilfredo Lee)
Tiger Woods hits a shot off the 14th fairway in the first round against Charles Howell III during the Match Play Championship golf tournament, Thursday, Feb. 21, 2013, in Marana, Ariz. Howell III won 2 and 1. (AP Photo/Ted S. Warren)
Tiger Woods chips in from the edge of a bunker on the 12th hole during the fourth round of the Farmers Insurance Open golf tournament at the Torrey Pines Golf Course, Monday, Jan. 28, 2013, in San Diego. (AP Photo/Gregory Bull)
Tiger Woods hits out of a bunker on the 18th hole during the third round of the Farmers Insurance Open golf tournament at the Torrey Pines Golf Course, Sunday, Jan. 27, 2013, in San Diego. (AP Photo/Gregory Bull)