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.
Louis Oosthuizen is the latest major champion who says he won't be taking part in golf's return to the Olympics.
Oosthuizen says scheduling and family issues led him to inform the South African delegation that he won't be playing in Rio the first full week of August...