Jackson Koivun won the 3M Open by three strokes Sunday in only his third start as a professional, holding off Scottie Scheffler with a closing 5-under 66 for a tournament-record 25-under 259 total.

World No. 1 Scottie Scheffler impressed in his 3M Open debut, shooting a bogey-free 6-under 65 while drawing record-sized crowds at TPC Twin Cities.

After a tournament record back nine of 28, young superstar Jackson Koivun takes a three shot lead into the final round of the 3M Open.