Jackson Koivun holds off Scottie Scheffler to win first PGA Tour event just 24 days into pro career

Jackson Koivun won the 3M Open, finishing ahead of Scottie Scheffler. Koivun, 21, shot a record-setting round in the third round. The victory came 24 days after Koivun turned professional. Scheffler made a back-nine charge but did not overtake Koivun.

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