OAKMONT, Pennsylvania :Pre-tournament favourite Scottie Scheffler headed out early in the U.S. Open second round on Friday hoping to play his way into contention at Oakmont Country Club, where overnight leader J.J. Spaun was scheduled to go out with the late starters. World number one Scheffler, who came into the year's third major with three wins in his last four starts, opened with a three-over-par 73 that was his worst first-round score relative to par of his majors career. That left