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ST ANDREWS, SCOTLAND - JULY 17: Tom Watson of the United States looks to the sky as he stands on Swilcan Bridge in honor of his final Open Championship appearance during the second round of the 144th Open Championship at The Old Course on July 17, 2015 in St Andrews, Scotland. (Photo by Stuart Franklin/Getty Images)

ST ANDREWS, SCOTLAND - JULY 17:  Tom Watson of the United States looks to the sky as he stands on Swilcan Bridge in honor of his final Open Championship appearance during the second round of the 144th Open Championship at The Old Course on July 17, 2015 in St Andrews, Scotland.  (Photo by Stuart Franklin/Getty Images)