Rory McIlroy enjoys two-shot lead after return to old putter at WGC Mexico

A return to his old putter paid instant dividends for world number one Rory McIlroy as he set the pace in the WGC-Mexico Championship.

McIlroy carded an eagle, five birdies and a solitary bogey in an opening six-under-par 65 at Chapultepec Golf Club to enjoy a two-shot lead over Justin Thomas and Bubba Watson.