3M Open: Jackson Koivun, 21, holds off Scottie Scheffler to secure victory on just third PGA Tour start as a professional

Jackson Koivun breaks 3M Open scoring record after finishing on 25 under par in Minnesota; 21-year-old shoots five-under final round after 11-under 61 on Saturday as he goes bogey-free across the weekend; Koivun tipped to go all the way to the top by Sky Sports Simon Holmes Jackson Koivun held off a charge from world No 1 Scottie Scheffler to win his first PGA Tour title in just his third start as a professional as he triumphed by three strokes at the 3M Open in Minnesota. The 21-year-old's final-round, five-under 66 ca... [2723 chars]