Rahm holed a bending 25-foot birdie putt on the 17th hole to catch Louis Oosthuizen. He buried another curling, left-to-right birdie putt from 18 feet on the final hole for a 4-under 67.
Tiger Woods has his fifth back surgery that has put the start to his new year on hold, by missing the Farmers Open at Torrey Pines and the Genesis Invitational at Riviera.