World No. 1 and WGC-Mexico Championship winner Dustin Johnson is on top of the world right now. Quite literally, too – Chapultepec is more than 7,500 feet above sea level…

NCG’s Steve Carroll runs the rule over DJ’s impressive win, as well as Rory McIlroy’s return in Mexico City.

Also, did you know there was a European Tour event this week? And can anyone stop Inbee Park winning? It’s all in this week’s In the Know…