The essentials
21-year-old Koivun wins 3M Open 24 days into pro career with record 61.
Jackson Koivun captured the 3M Open in Blaine, Minnesota at age 21, just 24 days into his professional career. The rookie posted a tournament record 61 in the third round, including a 28 on the back-nine, to finish atop the leaderboard.
Scottie Scheffler finished second, three strokes behind Koivun. The victory marks a significant milestone early in Koivun's professional journey. Earlier in the 2026 season, Koivun finished 23rd at the U.S. Open. Koivun becomes the fourth rookie winner of the 2026 PGA Tour season, joining an emerging class of young talent competing at the tour's highest level.
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Record-setting performance marks breakthrough moment for young pro
Koivun's tournament-record 61 in round three represents an exceptional display of skill early in his professional tenure. The 28 on the back-nine highlights his ability to excel under competitive pressure. This victory demonstrates that his U.S. Open finish of 23rd earlier in 2026 was no anomaly, establishing him as a capable competitor at tour level.
Rookie dominance continues on 2026 PGA Tour schedule
Koivun's win adds to a notable pattern: he is the fourth rookie to win on the 2026 PGA Tour. This emergence of young winners reflects the evolving competitive landscape of professional golf. The fact that established player Scottie Scheffler finished second shows these rookies are competing effectively against established tour members.