May 5, 2026 - 3:50 pm High-stakes sports bettor Dave Portnoy is backing the Vegas Golden Knights to win the Stanley Cup. The Barstool Sports founder posted on X (@stoolpresidente) that he placed a $100,000 wager before the start of the second round at DraftKings sportsbook to win $750,000 on the Knights at +650 odds. Davey Pucks Activated. #dkpartner pic.twitter.com/0FEgl3LV3p — Dave Portnoy (@stoolpresidente) May 3, 2026 The Knights lead their second-round series against the Anaheim Ducks after winning 3-1 in Game 1 on Monday night and are currently the +456 third choice to win the championship. The Colorado Avalanche are the +163 favorite at DraftKings, which doesn’t operate in Nevada, followed by the Carolina Hurricanes at +194. Portnoy’s six-figure wager attracted the attention of the team’s X account, which posted a picture Tuesday of a Knights jersey with the No. 26 and “EL PRESIDENTE” on the nameplate. Portnoy responded, “Let’s go! #knightsoftheroundtable.” Let’s go!…