There might not have been anyone happier to see UConn win on Monday night than Dave Portnoy ... 'cause the Barstool Sports founder made over TWO MILLION DOLLARS betting on the Huskies to take home the national championship. The 47-year-old put down $600K on Dan Hurley's squad to win the NCAA tourney just before March Madness kicked off last month ... and at the time, he said he was a bit worried -- as Connecticut was nearly everyone's pick to win it all. But as UConn boat raced Purdue in the title game in Glendale, AZ ... those nerves melted away -- and his wallet got a whole lot fatter. Portnoy revealed he netted a ... (full story)