NAPIER, NEW ZEALAND - NOVEMBER 12: Hunter Mahan of the USA tees off on the 6th hole during the second round of The Kiwi Challenge at Cape Kidnappers on November 12, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 12: Hunter Mahan of the USA tees off on the 7th hole during the second round of The Kiwi Challenge at Cape Kidnappers on November 12, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 12: Hunter Mahan of the USA plays a putt shot on the 17th green during the second round of The Kiwi Challenge at Cape Kidnappers on November 12, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 12: Hunter Mahan of the USA tees off on the 18th hole during the second round of The Kiwi Challenge at Cape Kidnappers on November 12, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 12: Hunter Mahan of the USA plays out of the rough on the 16th during the second round of The Kiwi Challenge at Cape Kidnappers on November 12, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA (L) walks up the 1st fairway with his caddy John Wood (R) during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA warms up for the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA warms up for the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA plays an approach shot on the 11th hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA tees off on the 14th hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA lines up a putt on the 14th green during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA tees off on the 3rd hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA plays an approach shot on the 4th hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA plays out of a bunker on the 5th hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA plays out of a bunker on the 5th hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA tees off on the 5th hole during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA putts on the 6th green during the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA (R) selects a club from his bag with his caddy John Wood (L) as they warm up for the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

NAPIER, NEW ZEALAND - NOVEMBER 11: Hunter Mahan of the USA (R) selects a club from his bag with his caddy John Wood (L) as they warm up for the first round of The Kiwi Challenge at Cape Kidnappers on November 11, 2009 in Napier, New Zealand. (Photo by Phil Walter/Getty Images)

LAS VEGAS, NV- OCTOBER 18: Hunter Mahan tees off the 3rd hole during the fourth and final round of the Justin Timberlake Shriners Hospitals for Childeren Open at the TPC Summerland on October 18, 2009 in Las Vegas, Nevada. (Photo by Marc Feldman/Getty Images)

US team members Hunter Mahan (L), Tiger Woods (2nd L), Stewart Cink (2nd R) and team captain Fred Couples chat as they wait for the rest of the team to finish play after Woods sunk his putt on the 13th green to win his match and clinched the cup win for the US in the Presidents Cup golf competition on October 11, 2009 at Harding Park Golf course in San Francisco. AFP PHOTO/ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

SAN FRANCISCO - OCTOBER 11: Hunter Mahan of the USA Team watches his tee shot on the second hole during the Final Round Singles Matches of The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California. (Photo by Scott Halleran/Getty Images)

SAN FRANCISCO - OCTOBER 11: Hunter Mahan of the USA Team hits a bunker shot on the first hole during the Final Round Singles Matches of The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California. (Photo by Scott Halleran/Getty Images)

SAN FRANCISCO - OCTOBER 11: Camilo Villegas of the International Team reacts after his 2 and 1 loss to Hunter Mahan of the USA Team on the 17th green during the Day Four Singles Matches of The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California. (Photo by Harry How/Getty Images)

SAN FRANCISCO - OCTOBER 11: Hunter Mahan of the USA Team shakes hands with Camilo Villegas of the International Team after his 2 and 1 win on the 17th green during the Day Four Singles Matches of The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California. (Photo by Harry How/Getty Images)

SAN FRANCISCO - OCTOBER 11: Captain Fred Couples of the USA Team laughs with Stewart Cink, Hunter Mahan and Sean O'Hair on the 18th green during the Day Four Singles Matches of The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California. (Photo by Harry How/Getty Images)

SAN FRANCISCO - OCTOBER 10: Hunter Mahan of the USA Team celebrates halving his match with Stewart Cink against Singh and Allenby at the par 5, 18th hole during the Day Three Morning Fousomes Matches in The Presidents Cup at Harding Park Golf Course on October 10, 2009 in San Francisco, California (Photo by David Cannon/Getty Images)

SAN FRANCISCO - OCTOBER 10: Hunter Mahan of the USA Team celebrates halving his match with Stewart Cink against Singh and Allenby at the par 5, 18th hole with Fred Couples Captain of the USA Team and Jay Haas the assistant captain during the Day Three Morning Fousomes Matches in The Presidents Cup at Harding Park Golf Course on October 10, 2009 in San Francisco, California (Photo by David Cannon/Getty Images)

SAN FRANCISCO - OCTOBER 10: Hunter Mahan of the USA Team follows his second shot at the par 5, 18th hole during the Day Three Morning Fousomes Matches in The Presidents Cup at Harding Park Golf Course on October 10, 2009 in San Francisco, California (Photo by David Cannon/Getty Images)

SAN FRANCISCO - OCTOBER 10: Hunter Mahan of the USA Team celebrates with Stewart Cink celebrate a birdie at the 17th hole in their match against Singh and Allenby during the Day Three Morning Fousomes Matches in The Presidents Cup at Harding Park Golf Course on October 10, 2009 in San Francisco, California (Photo by David Cannon/Getty Images)