Dustin Johnson, of the United States, hits his tee shot on the first hole during the final round of the Canadian Open at the Glen Abbey Golf Club in Oakville, Ontario, Sunday, July 29, 2018. (Nath …

Dustin Johnson, of the United States, hits his tee shot on the first hole during the final round of the Canadian Open at the Glen Abbey Golf Club in Oakville, Ontario, Sunday, July 29, 2018. (Nathan Denette/The Canadian Press via AP)