Rory McIlroy's hopes dashed by WGC win for Dustin Johnson

Rory McIlroy might have hoped to deal Dustin Johnson another psychological blow, but he came up four shots short as the world No 1 consolidated his position at the top of the world rankings with a one-shot victory in the World Golf Championships-Mexico Championship,
.Only Tiger Woods has won more World Golf Championships that the 32-year old American, whose final round challenge at Club de Golf Chapultepec did not come from McIlroy or overnight leader Justin Thomas but Spain's Jon Rahm and eventual runner-up Tommy Fleetwood.