ORLANDO, FL - MARCH 26: Mike Weir of Canada waits on the second tee during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Tim Petrovic of the USA plays his third shot at the 15th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: Heath Slocum of the USA drives at the 16th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: Ernie Els of South Africa plays his second shot at the 15th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: J.B.Homes of the USA drives at the 16th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: Ernie Els of South Africa on the tee at the 10th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: Ben Curtis of the USA drives at the 16th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: D.J.Trahan of the USA putts at the 15th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: Kevin Na of South Korea with his caddie Kenny Harms at the 10th hole during the second round of the Arnold Palmer Invitational presented by Mastercard at the Bayhill Club and Lodge, on March 26, 2010 in Orlando, Florida. (Photo by David Cannon/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson waits on the 12th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson watches his tee shot on the 14th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson watches his tee shot on the 14th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Nick Watney plays a bunker shot on the 13th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Nick Watney plays a bunker shot on the 13th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson watches his tee shot on the 13th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson hits his tee shot on the 15th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Nick Watney hits his tee shot on the 12th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Nick Watney waves to the gallery on the 13th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Jason Dufner watches his tee shot on the 14th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Trevor Immelman of South Africa hits his tee shot on the 15th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Charl Schwartzel of South Africa walks off the 13th green during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Trevor Immelman of South Africa hits his tee shot on the 16th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Charl Schwartzel of South Africa watches his tee shot on the 14th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Steve Stricker watches his tee shot on the 12th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Nick Watney plays a bunker shot on the 13th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson watches his tee shot on the 12th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)
ORLANDO, FL - MARCH 26: Phil Mickelson chats with his caddie Jim Mackay on the 12th hole during the second round of the Arnold Palmer Invitational presented by MasterCard at the Bayhill Club and Lodge on March 26, 2010 in Orlando, Florida. (Photo by Scott Halleran/Getty Images)