It’s mind-boggling how well prepared the US college golfers are these days when they join the professional fold.

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…

Jackson Koivun, playing only his third PGA Tour event as a professional, held off top-ranked Scottie Scheffler in Sunday's final round to capture the 3M Open in record fashion.