see more

SOUTHPORT, ENGLAND - JULY 17: Jordan Spieth of the United States with his caddie Michael Greller during a practice round prior to the 146th Open Championship at Royal Birkdale on July 17, 2017 in Southport, England. (Photo by David Cannon/R&A/R&A via Getty Images)

SOUTHPORT, ENGLAND - JULY 17: Jordan Spieth of the United States with his caddie Michael Greller during a practice round prior to the 146th Open Championship at Royal Birkdale on July 17, 2017 in Southport, England. (Photo by David Cannon/R&A/R&A via Getty Images)
Getty Images

R & A David Cannon/R&A