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. Emiliano Grillo and Ben Kohles each had a 65 and are tied for second at 17 under. ...

Source: [Yahoo Sports](https://sports.yahoo.com/articles/koivun-moves-3-strokes-3m-224352565.html)

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