OAKVILLE, ON - JULY 24: Dustin Johnson of the United States lines up a putt on the 18th green during the final round of the RBC Canadian Open at Glen Abbey Golf Club on July 24, 2016 in Oakville, Canada. (Photo by Vaughn Ridley/Getty Images)
OAKVILLE, ON - JULY 24: Dustin Johnson of the United States lines up a putt on the 18th green during the final round of the RBC Canadian Open at Glen Abbey Golf Club on July 24, 2016 in Oakville, Canada. (Photo by Vaughn Ridley/Getty Images)