21-year-old Jackson Koivun fends off Scottie Scheffler to earn first career PGA Tour win at 3M Open

21-year-old Jackson Koivun, just 24 days into his professional career, won the 3M Open at TPC Twin Cities in Blaine, Minnesota on July 26, 2026, in only his third PGA Tour start as a pro. The former top-ranked amateur in the world fired a bogey-free final-round 66 to finish at 25-under par, setting a tournament scoring record and defeating world number one Scottie Scheffler by three shots. Koivun earned a $1.584 million winner's check for the victory.