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

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

Dustin Johnson hits his second shot on the ninth hole during the first round of the 97th PGA Championship at Whistling Straits on August 13, 2015 in Kohler, Wisconsin. Photo by Frank Polich/UPI