see more

SHEBOYGAN, WI - AUGUST 13: Jordan Spieth of the United States lines up a putt during the first round of the 2015 PGA Championship at Whistling Straits on August 13, 2015 in Sheboygan, Wisconsin. (Photo by Tom Pennington/Getty Images)

SHEBOYGAN, WI - AUGUST 13:  Jordan Spieth of the United States lines up a putt during the first round of the 2015 PGA Championship at Whistling Straits on August 13, 2015 in Sheboygan, Wisconsin.  (Photo by Tom Pennington/Getty Images)