Spain's Rahm grabbed his third US PGA Tour title of 2023 after wins at the Tournament of Champions and the American Express in La Quinta, California.It was his fifth win in his last nine worldwide starts, a run that included his third Spanish Open triumph in October and victory in the DP World Tour Championship in November.Rahm was thrilled to capture a win at Riviera Country Club, the classic course west of downtown Los Angeles that has produced such champions as Ben Hogan but where, Rahm noted, Jack Nicklaus and Tiger Woods have never won.