Rookie Jackson Koivun triumphs at 3M Open, securing his first PGA Tour victory.
In an impressive display of confidence and skill, 21-year-old Jackson Koivun secured his first PGA Tour victory at the 3M Open in Blaine, Minn. Koivun demonstrated remarkable composure under pressure, finishing the tournament with a record-breaking 25-under 259, successfully fending off a late chal…