Final Round of the 97th PGA Championship at Whistling Straits in Kohler, Wisconsin

Dustin Johnson holds his head as he walks off the par-4 first hole during the final round of the 97th PGA Championship at Whistling Straits on August 16, 2015 in Kohler, Wisconsin. Johnson carded an four-over-par eight on the hole. Photo by Frank Polich/UPI