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GULLANE, SCOTLAND - JULY 21: Phil Mickelson of the United States holds the Claret Jug after winning the 142nd Open Championship at Muirfield on July 21, 2013 in Gullane, Scotland. (Photo by Richard Heathcote/R&A/R&A via Getty Images)

Phil Mickelson of the United States holds the Claret Jug after winning the 142nd Open Championship at Muirfield on July 21, 2013 in Gullane, Scotland. (Photo by Richard Heathcote/R&A/R&A via Getty Images)