Rahm cruises to four-shot win at Hero World Challenge

A day that started with a three-way tie for the lead ended with one man well in front. Here's how things turned out at the Hero World Challenge, where Jon Rahm ended his year on a high note:

Leaderboard: Jon Rahm (-20), Tony Finau (-16), Justin Rose (-15), Henrik Stenson (-14)

What it means: Rahm started the day with a share of the lead, and he broke free from the pack with a run of birdies in the middle of the round. When Finau ran into trouble on the par-4 14th, it allowed the Spaniard to cruise to an easy victory to close out the year, one that will vault him to No. 6 in the world when the new ranking is published. It's the third worldwide victory of the year for Rahm, who also won the…