Collin Morikawa fired a six-under 64 in the final round to win the PGA Championship at TPC Harding Park in San Francisco.
The 23-year-old California native is the first player to win the PGA in his first appearance since 2011.
He finished 13-under, two strokes ahead of third-round leader Dustin Johnson and Paul Casey.
(Photo by Sean M. Haffey/Getty Images)