Presidents Cup Day 2

A fan offers a toy squirrel to Amy Mickelson of the U.S. Team on the second hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

A fan offers a toy squirrel to Keegan Bradley (L) and Phil Mickelson of the U.S. Team on the second hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Keegan Bradley (L) and Phil Mickelson of the U.S. Team save par on the second hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Phil Mickelson of the U.S. Team plays a bunker shot on the third hole as his caddie Jim Mackay looks on during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Tiger Woods of the U.S. Team and his caddie Joe LaCava line up a shot on the second tee during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Matt Sullivan/Getty Images)

Steve Stricker (L) and Jordan Spieth of the U.S. Team halve the second hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Tiger Woods of the U.S. Team and his caddie Joe LaCava line up a shot on the first hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Matt Sullivan/Getty Images)

Steve Stricker (L) and Jordan Spieth of the U.S. Team react to a shot in the second fairway during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Angel Cabrera of Argentina and the International Team hits his tee shot on the first hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Matt Sullivan/Getty Images)

Ernie Els of South Africa and the International Team hits his tee shot on the first hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Matt Sullivan/Getty Images)

Matt Kuchar and Tiger Woods of the U.S. Team celebrate after a birdie on the fourth green to halve the hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by David Cannon/Getty Images)

Phil Mickelson of the U.S. Team lines up a tee shot on the fifth hole with his caddie Jim Mackay during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by David Cannon/Getty Images)

Keegan Bradley of the U.S. Team saves par on the fourth hole to halve the hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by David Cannon/Getty Images)

Brendon de Jonge of Zimbabwe and the International Team walks on the ninth during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Brendon de Jonge of Zimbabwe and Ernie Els of South Africa and the International Team walk to the fifth green during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Keegan Bradley of the U.S. Team hits his approach shot on the fifth hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Nick Price (L) Captain of the International Team and Fred Couples the Captain of the U.S. team watch the action on eighth hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Phil Mickelson (L) and Keegan Bradley of the U.S. Team celebrate after making eagle on the fifth hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Jason Day of Australia and the International Team lines up a putt with his caddie Colin Swatton on the first green during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Graham DeLaet of Canada and Jason Day of Australia and the International Team react to a birdie putt on the second hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Gregory Shamus/Getty Images)

Adam Scott and Steve Williams of the International Team in action on the first hole during the Day Two Four-Ball Matches of The Presidents Cup at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Stan Badz/PGA TOUR)

Hunter Mahan kisses in daughter while wife Kandi Mahan looks on during the second round of The Presidents Cup at Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Mary Schilpp/PGA TOUR)

Webb Simpson and Brandt Snedeker of the USA Team walk down the fairway on the 5th hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Jordan Spieth of the USA and Steve Stricker line up a putt on the 4th hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Angel Cabrera of Argentina and the International Team hits his third shot on the 5th hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Jordan Spieth of the USA and Steve Stricker talk on the 7th hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Brandt Snedeker of the USA Team hits his tee shot on the 5th hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Branden Grace of South Africa and the International Team celebrates making a putt on the 7th hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Andy Lyons/Getty Images)

Fans of the U.S. Team cheers on the first hole during the Day Two Foursome Matches at the Muirfield Village Golf Club on October 4, 2013 in Dublin, Ohio. (Photo by Matt Sullivan/Getty Images)