With the Claret Jug trophy in the foreground, Phil Mickelson of the United States talks during a press conference after winning the British Open Golf Championship at Muirfield, Scotland, Sunday July 21, 2013. (AP Photo/Jon Super)
Phil Mickelson of the United States gestures on his way to receiving the Claret Jug trophy after winning the British Open Golf Championship at Muirfield, Scotland, Sunday July 21, 2013. (AP Photo/Matt Dunham)
Tiger Woods of the United States reacts after playing a shot on the 11th hole during the final round of the British Open Golf Championship at Muirfield, Scotland, Sunday July 21, 2013. (AP Photo/Matt Dunham)
Phil Mickelson of the United States holds up the Claret Jug trophy after winning the British Open Golf Championship at Muirfield, Scotland, Sunday July 21, 2013. (AP Photo/Peter Morrison)
Phil Mickelson of the United States celebrates after his final putt on the 18th green during the final round of the British Open Golf Championship at Muirfield, Scotland, on Sunday July 21, 2013. (AP Photo/Jon Super)
Tiger Woods of the United States, left, shakes hands with Lee Westwood of England on the 18th green after their third round of the British Open Golf Championship at Muirfield, Scotland, Saturday July 20, 2013. (AP Photo/Scott Heppell)
Tiger Woods of the United States lines up a putt on the 14th green during the second round of the British Open Golf Championship at Muirfield, Scotland, Friday July 19, 2013. (AP Photo/Scott Heppell)
Zach Johnson of the United States reacts after putting on the 10th green during the first round of the British Open Golf Championship at Muirfield, Scotland, Thursday July 18, 2013. (AP Photo/Peter Morrison)
Tiger Woods of the United States plays a shot on the 13th hole during the first round of the British Open Golf Championship at Muirfield, Scotland, Thursday July 18, 2013. (AP Photo/Jon Super)
Tiger Woods of the United States plays a shot off the 7th tee during the first round of the British Open Golf Championship at Muirfield, Scotland, Thursday July 18, 2013. (AP Photo/Jon Super)