Overview
- Koivun closed with a 5‑under 66 to win the 3M Open by three strokes on Sunday, finishing at a tournament record 25‑under 259.
- The 21‑year‑old turned professional in June and secured the victory in only his third start as a pro after a bogey‑free weekend.
- His breakthrough was built on a 10‑under 61 in the third round that included a tournament‑record 28 on the back nine to seize the 54‑hole lead.
- World No. 1 Scottie Scheffler surged late with a bogey‑free 63 but finished second at 22‑under, while Michael Kim earlier carded a 12‑under 59 to set a course record on Friday.
- The win earned Koivun $1,584,000, moved him into 70th in the FedExCup standings, and highlights the growing impact of top college players transitioning quickly to the PGA Tour.