MOBILE, Ala. (WKRG) — Former Auburn golfer Jackson Koivun captured his first PGA Tour victory Sunday, winning the 3M Open by three strokes in just his third professional start. The 21-year-old finished at a tournament-record 25-under-par 259, holding off world No. 1 Scottie Scheffler to secure the title. Koivun turned professional in June after a [...]