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ST ANDREWS, SCOTLAND - JULY 15: Tiger Woods of the United States looks down at his phone alongside caddie Joe LaCava ahead of the 144th Open Championship at The Old Course on July 15, 2015 in St Andrews, Scotland. (Photo by Matthew Lewis/Getty Images)

ST ANDREWS, SCOTLAND - JULY 15: Tiger Woods of the United States looks down at his phone alongside caddie Joe LaCava ahead of the 144th Open Championship at The Old Course on July 15, 2015 in St Andrews, Scotland. (Photo by Matthew Lewis/Getty Images)
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Getty Images Sport Matthew Lewis