OAKVILLE, ON - JULY 25: Dustin Johnson hits a tee shot from the third during the practice rounds at the RBC Canadian Open at Glen Abbey Golf Club on July 25, 2018 in Oakville, Canada. (Photo by Minas Panagiotakis/Getty Images)
OAKVILLE, ON - JULY 25: Dustin Johnson hits a tee shot from the third during the practice rounds at the RBC Canadian Open at Glen Abbey Golf Club on July 25, 2018 in Oakville, Canada. (Photo by Minas Panagiotakis/Getty Images)