Fleetwood finished 18 under par with a final-round 68. Patrick Cantlay (71), who played in the final pairing, and Russell Henley (69), the first- and second-round leader, tied for second at 15 under.
Read More Tommy Fleetwood secures elusive first PGA victory to win FedEx Cup title
Keegan Bradley secured the Presidents Cup for the United States on Sunday when he clinched a point in his match against the International Team’s Kim Si-woo.
Read More U.S. beat Internationals to secure 10th consecutive Presidents Cup
Bryson DeChambeau came out on top in a dramatic final round, back nine battle with Rory McIlroy to win the U.S. Open by one shot.
Read More DeChambeau wins U.S. Open as McIlroy’s major misery continues