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ST ANDREWS, SCOTLAND - JULY 20: Phil Mickelson of the United States reacts after missing putt on the 16th green during the final round of the 144th Open Championship at The Old Course on July 20, 2015 in St Andrews, Scotland. (Photo by Ross Kinnaird/R&A/R&A via Getty Images)

ST ANDREWS, SCOTLAND - JULY 20: Phil Mickelson of the United States reacts after missing putt on the 16th green during the final round of the 144th Open Championship at The Old Course on July 20, 2015 in St Andrews, Scotland. (Photo by Ross Kinnaird/R&A/R&A via Getty Images)
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R & A Ross Kinnaird/R&A