SOUTHPORT, ENGLAND - JULY 19: Dustin Johnson of the United States tees off during a practice round prior to the 146th Open Championship at Royal Birkdale on July 19, 2017 in Southport, England. (Photo by Gregory Shamus/Getty Images)
SOUTHPORT, ENGLAND - JULY 19: Dustin Johnson of the United States tees off during a practice round prior to the 146th Open Championship at Royal Birkdale on July 19, 2017 in Southport, England. (Photo by Gregory Shamus/Getty Images)