TULSA, OK - AUGUST 10: Stephen Ames of Canada walks down the fifth hole with his caddie Dean Elliott during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jeff Gross/Getty Images)
TULSA, OK - AUGUST 10: Golf fan Parker Rehorn seeks relief from the heat in front of a fan during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Streeter Lecka/Getty Images)
TULSA, OK - AUGUST 10: Vijay Singh of Fiji wipes his face on the tenth hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Nick Dougherty of England hits his tee shot on the second hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Streeter Lecka/Getty Images)
TULSA, OK - AUGUST 10: Adam Scott of Australia waits on a green during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jamie Squire/Getty Images)
TULSA, OK - AUGUST 10: Stephen Ames of Canada wipes his face on the sixth tee during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jeff Gross/Getty Images)
TULSA, OK - AUGUST 10: Scott Verplank chats with his caddie Scott Tway on the 17th hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by David Cannon/Getty Images)
TULSA, OK - AUGUST 10: Colin Montgomerie of Scotland walks under an umbrella during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Sergio Garcia of Spain plays on bunker shot on the third hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jeff Gross/Getty Images)
TULSA, OK - AUGUST 10: John Daly wipes his face on the 13th hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by David Cannon/Getty Images)
TULSA, OK - AUGUST 10: Lee Westwood of England reacts to missed putt on the first hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jamie Squire/Getty Images)
TULSA, OK - AUGUST 10: Camilo Villegas of Colombia waits to play during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Anthony Kim waits on a tee box during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: John Daly hits his tee shot on the 12th hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by David Cannon/Getty Images)
TULSA, OK - AUGUST 10: Tiger Woods crosses a bridge with his caddie Steve Williams on the sixth hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Streeter Lecka/Getty Images)
TULSA, OK - AUGUST 10: Tiger Woods hits his tee shot on the tenth hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Streeter Lecka/Getty Images)
TULSA, OK - AUGUST 10: Tiger Woods plays a bunker shot during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: A member of the grounds crew waters a green during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jeff Gross/Getty Images)
TULSA, OK - AUGUST 10: Camilo Villegas of Colombia celebrates a putt on the seventh hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Graeme Storm of England hits a shot on the fourth hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Streeter Lecka/Getty Images)
TULSA, OK - AUGUST 10: Padraig Harrington of Ireland wipes his face on the 11th tee during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Justin Rose of England clears the tenth green during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Rory Sabbatini of South Africa hits a bunker shot on the tenth hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Ian Poulter of England watches a shot on the 12th hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by David Cannon/Getty Images)
TULSA, OK - AUGUST 10: Phil Mickelson wipes his face on the 11th tee during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: A player walks to the practice ground carrying a bucket of golf balls and a bottle of water during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jamie Squire/Getty Images)
TULSA, OK - AUGUST 10: The clock tower near the practice ground during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Jamie Squire/Getty Images)
TULSA, OK - AUGUST 10: Zach Johnson watches his tee shot on the 11th hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by David Cannon/Getty Images)
TULSA, OK - AUGUST 10: Aaron Baddeley of Australia marks his ball on the tenth green during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Angel Cabrera of Argentina walks with his caddie Eduardo Gardino to the tenth green during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)
TULSA, OK - AUGUST 10: Graeme Storm of England hits his tee shot on the third hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Streeter Lecka/Getty Images)
TULSA, OK - AUGUST 10: Padraig Harrington of Ireland hits his tee shot on the 11th hole during the second round of the 89th PGA Championship at the Southern Hills Country Club on August 10, 2007 in Tulsa, Oklahoma. (Photo by Stuart Franklin/Getty Images)