PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson hits his second shot on the first hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson places his ball on the second fairway during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson chips onto the 11th green during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson watches his tee shot on the 12th hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson hits his tee shot on the 12th hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

Phil Mickelson hits from a bunker on the 10th green in the third round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Saturday, Feb. 6, 2010.

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson watches his tee shot on the fifth hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson watches his tee shot on the fourth hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson hits his tee shot on the fifth hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson hits his tee shot on the fourth hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson watches his second shot on the second hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson pumps his fist after making a 20 foot putt to save par on the fourth green during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 6: Phil Mickelson chips onto the fourth green during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

Phil Mickelson reacts to his eagle putt on the first green of the third round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Saturday, Feb. 6, 2010.

PACIFIC PALISADES, CA - FEBRUARY 06: Phil Mickelson pumps his fist after making an eagle putt on the first hole during the third round of the Northern Trust Open at Riviera Country Club on February 6, 2010 in Pacific Palisades, California. (Photo by Jeff Gross/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 05: Phil Mickelson his tee shot on the 12th hole during the second round of the Northern Trust Open at Riveria Country Club on February 5, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 05: Phil Mickelson hits his second shot on the 13th hole during the second round of the Northern Trust Open at Riveria Country Club on February 5, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

Phil Mickelson prepares to tee off in the rain on the 12th hole during the second round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Friday, Feb. 5, 2010.

PACIFIC PALISADES, CA - FEBRUARY 04: Phil Mickelson hits a tee shot on the fourth hole during the first round of the Northern Trust Open at Riviera Country Club on February 4, 2010 in Pacific Palisades, California. (Photo by Jeff Gross/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 04: Phil Mickelson watches his tee shot on the 16th hole during the first round of the Northern Trust Open at Riviera Country Club on February 4, 2010 in Pacific Palisades, California. (Photo by Jeff Gross/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 04: Phil Mickelson chips onto the green on the 12th hole during the first round of the Northern Trust Open at Riveria Country Club on February 4, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 04: Phil Mickelson hits his tee shot on the 12th hole during the first round of the Northern Trust Open at Riveria Country Club on February 4, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

PACIFIC PALISADES, CA - FEBRUARY 04: Phil Mickelson hits his second shot on the second hole during the first round of the Northern Trust Open at Riveria Country Club on February 4, 2010 in Pacific Palisades, California. (Photo by Stephen Dunn/Getty Images)

Phil Mickelson chips to the second green during the first round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 4, 2010.

Phil Mickelson watches his approach shot from the rough on the third hole during the first round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles Thursday, Feb. 4, 2010.

Phil Mickelson makes his approach shot from the second fairway rough to the green in the first round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles, Thursday, Feb. 4, 2010.

Phil Mickelson reacts after missing a birdie, settling for par on the first hole in the first round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 4, 2010.

Phil Mickelson tees off on the third hole during the first round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Thursday, Feb. 4, 2010.

Defending champion Phil Mickelson walks to a tee box during the Pro-Am round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Wednesday, Feb. 3, 2010.

Defending champion Phil Mickelson and LPGA Hall of Famer Amy Alcott eye Mickelson's putt on the 13th green during the Pro-Am round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles on Wednesday, Feb. 3, 2010.