The Olympic champion went into his final round eight shots behind world number one Dustin Johnson - who had a six-shot lead.

The Mexico Championship put on quite a show in its debut as a World Golf Championships event. So did Dustin Johnson, says Nolan Peterson.

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, writes Brian Keogh.