Jackson Koivun's breakthrough win and Presidents Cup implications

Jackson Koivun, 21, won the 3M Open in his third pro start with a tournament-record 25-under, going bogey-free on the weekend. He becomes the youngest winner this season and secures a FedExCup playoff spot, complicating U.S. Presidents Cup captain's picks. He is now on the playoff bubble at the Wyndham Championship, currently in position to make the playoffs but at risk. A recent mindset piece highlights how he uses nerves as fuel.