|Tournament of Champions final-round leaderboard|
|-24 D Johnson (US); -16 J Rahm (Spa); -15 B Harman (US); -14 R Fowler (US), H Matsuyama (Jpn), P Perez (US)|
|Selected others: -13 J Vegas (Ven); -12 J Spieth (US); -4 J Thomas (US)|
World number one Dustin Johnson surged to an eight-shot victory at the Tournament of Champions in Hawaii.
The American, 33, who led after three rounds, fired an eight-under 65 to cruise to the title, with Spain’s Jon Rahm a distant second after a 69.
Johnson followed rounds of 69, 68 and 66 by making four birdies on the front nine then eagled the par-four 12th.
American Brian Harman finished third on 15 under while Open champion Jordan Spieth was a further three shots back.
Australian Marc Leishman, who was the joint leader at the halfway stage but carded a 76 on Saturday, finished tied seventh on 13 under in the 34-man field.