ORLANDO, FL - MARCH 12: Arnold Palmer of the USA tees off at the first hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Arnold Palmer of the USA waves to the crowd on the first tee during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Tiger Woods of the USA chooses his club at the 14th hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Tiger Woods of the USA drives at the 15th hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Vijay Singh of Fiji tees off at the ninth hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Vijay Singh of Fiji lines up his drive before he tees off at the ninth hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Phil Mickelson of the USA tees off at the ninth hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Tiger Woods of the USA waits to hit his tee shot to the 13th hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 12: Tiger Woods of the USA waits to hit his tee shot to the 15th hole during the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Orlando, Florida. (Photo by David Cannon/Getty Images)
BAY HILL, FL - MARCH 12: Arnold Palmer of the USA holds a press conference before playing in the pro-am for the 2008 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Golf Club, on March 12, 2008 in Bay Hill, Florida. (Photo by David Cannon/Getty Images)