Dustin Johnson is back in the winner's circle.
Johnson won the Canadian Open after firing a 6-under 66 in Sunday's final round, winning his third title this season.
The world No. 1 overpowered Glen Abbey Golf Club all week long, finishing at 23-under overall and 12-under on the par 5s alone.
This is Johnson's 19th career PGA Tour win.
South Korea's Kim and An, who shared the lead with Johnson heading into the final round, both shot 69 on Sunday.
Keegan Bradley finished alone in fourth, carding an 8-under 64 for the lowest round of the day.
World No. 11 Tommy Fleetwood finished tied for sixth in his first appearance on Canadian soil.
Low-Canadian honors went to Mackenzie Hughes for the second straight year, as his 15-under was good enough to finish tied for eighth.
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