Jon Rahm back on top of world rankings after Genesis Invitational triumph

Jon Rahm celebrates on the 18th green after winning the Genesis Invitational (Ryan Kang/AP)

Jon Rahm returned to the top of the world rankings with his third victory of the year in the Genesis Invitational.

Rahm carded a closing 69 at Riviera to finish 17 under par, two shots ahead of American Max Homa, with Patrick Cantlay another stroke back in third.