Koivun moves 3 strokes up at the 3M Open with a 3rd-round 61 and tournament-record back 9

BLAINE, Minn. (AP) — PGA Tour rookie Jackson Koivun shot a 61 in the third round of the 3M Open on Saturday to take a three-stroke lead at 20-under par, setting a tournament record with a 28 on the back nine at the TPC Twin Cities.

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