Getty Images 4 weeks ago

LA QUINTA, CA - JANUARY 21: David Duval hits his tee shot on the 15th hole at La Quinta Country Club during the third round of the Humana Challenge In Partnership With The Clinton Foundation on January 21, 2012 in La Quinta, California.

Getty Images 4 weeks ago

LA QUINTA, CA - JANUARY 20: David Duval hits his tee shot on the 18th hole on the Palmer Private Course at the PGA West during the second round of the Humana Challenge in partnership with the Clinton Foundation golf tournament January 20, 2012 in La Quinta, California.

Getty Images 6 months ago

GREENSBORO, NC - AUGUST 18 : David Duval hits his second shot on the ninth hole during the first round of the Wyndham Championship at Sedgefield Country Club on August 18, 2011 in Greensboro, North Carolina.

AP Photo 7 months ago

David Duval, of the United States, lines up a putt on the 10th hole during a championship Pro-Am event at the Canadian Open PGA golf tournament at the Shaughnessy Golf and Country Club in Vancouver, British Columbia, on Wednesday, July 20, 2011.

Getty Images 7 months ago

SILVIS, IL - JULY 07: David Duval hits a shot from the fairway during the first round of the John Deere Classic at TPC Deere Run on July 7, 2011 in Silvis, Illinois.

AP Photo 7 months ago

David Duval chips onto a practice green during preparation for the Canadian Open golf tournament at Shaughnessy Golf and Country Club in Vancouver, British Columbia, on Tuesday, July 19, 2011.

Getty Images 7 months ago

SANDWICH, ENGLAND - JULY 14: David Duval of the United States lines up a shot with his caddy during the first round of The 140th Open Championship at Royal St George's on July 14, 2011 in Sandwich, England.

Reuters Pictures 7 months ago

David Duval of the U.S. tees off on the seventh hole during the final practice round for the British Open golf championship at Royal St George's in Sandwich, southern England July 13, 2011.

Getty Images 8 months ago

DUBLIN, OH - JUNE 02: David Duval hits a shot during the first round of The Memorial Tournament presented by Nationwide Insurance at the Muirfield Village Golf Club on June 2, 2011 in Dublin, Ohio.

Getty Images 8 months ago

LA JOLLA, CA - JANUARY 30: David Duval hits his tee shot on the second hole during the final round of the Farmers Insurance Open at Torrey Pines South Course on January 30, 2011 in La Jolla, California.

Getty Images 9 months ago

PONTE VEDRA BEACH, FL - MAY 13: David Duval hits his tee shot on the fifth hole during the second round of THE PLAYERS Championship held at THE PLAYERS Stadium course at TPC Sawgrass on May 13, 2011 in Ponte Vedra Beach, Florida.

AP Photo 9 months ago

David Duval hits from the rough on five during the first round of The Players Championship golf tournament Thursday May 12, 2011 in Ponte Vedra Beach, Fla.

AP Photo 9 months ago

David Duval hits from the second fairway during a practice round for The Players Championship golf tournament Wednesday May 11, 2011 in Ponte Vedra Beach, Fla.

Getty Images 9 months ago

NEW ORLEANS, LA - APRIL 29: David Duval hits a shot during the second round of the Zurich Classic at the TPC Louisiana on April 29, 2011 in New Orleans, Louisiana.

Getty Images 9 months ago

NEW ORLEANS, LA - APRIL 29: David Duval waits on a fairway with his caddie during the second round of the Zurich Classic at the TPC Louisiana on April 29, 2011 in New Orleans, Louisiana.

Getty Images 11 months ago

ORLANDO, FL - MARCH 25: David Duval watches his tee shot at the 1st hole during the second round of the 2011 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Lodge and Country Club on March 25, 2011 in Orlando, Florida.

Getty Images 11 months ago

ORLANDO, FL - MARCH 24: David Duval of the USA plays his third shot at the 15th hole during the first round of the 2011 Arnold Palmer Invitational presented by Mastercard at the Bay Hill Lodge and Country Club on March 24, 2011 in Orlando, Florida.

Getty Images 11 months ago

PALM BEACH GARDENS, FL - MARCH 05: David Duval plays a shot on the 2nd hole during the third round of The Honda Classic at PGA National Resort and Spa on March 5, 2011 in Palm Beach Gardens, Florida.

AP Photo 7 months ago

FILE - In this July 20, 2011 file photo, David Duval lines up a putt on the 10th hole during a championship Pro-Am event at the Canadian Open PGA golf tournament in Vancouver, British Columbia. Where his game went remains a mystery even to him. He only likes to talk about his quest to...