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SOUTHPORT, ENGLAND - JULY 20: Detail View of the shoes of Jason Day of Australia on the fourth green during the first round of the 146th Open Championship at Royal Birkdale on July 20, 2017 in Southport, England. (Photo by Matthew Lewis/R&A/R&A via Getty Images)

SOUTHPORT, ENGLAND - JULY 20: Detail View of the shoes of Jason Day of Australia on the fourth green during the first round of the 146th Open Championship at Royal Birkdale on July 20, 2017 in Southport, England. (Photo by Matthew Lewis/R&A/R&A via Getty Images)
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R & A Matthew Lewis/R&A