Washington: World number one Dustin Johnson capped a two-under-par 68 with a birdie at the last to seal a three-stroke victory in the US PGA Tour Championship and earn the $15 million (Dh55 million) FedEx Cup playoff title.
Johnson finished with a 21-under-par total at East Lake Golf Club in Atlanta - three shots clear of Americans Xander Schauffele and Justin Thomas.
