Tony Finau won the 3M Open by three shots to take his third PGA Tour title.
The 32-year-old American, ranked 17th in the world, fired six birdies to card a four-under-par final round at TPC Twin Cities in Blaine, Minnesota.
South Korea's Sung-Jae Im and Argentina's Emiliano Grillo tied for second at 14-under, while Scott Piercy was joint fourth after losing his overnight four-shot lead.
English pair Danny Willett and Callum Tarren were joint seventh on 10-under.