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SOUTHPORT, ENGLAND - JULY 18: Dustin Johnson of the United States walks up to the 4th tee during a practice round prior to the 146th Open Championship at Royal Birkdale on July 18, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)

SOUTHPORT, ENGLAND - JULY 18: Dustin Johnson of the United States walks up to the 4th tee during a practice round prior to the 146th Open Championship at Royal Birkdale on July 18, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)
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Getty Images Sport Christian Petersen