Thanks to Detroit News for this: Everybody who is one of Dave Portnoy’s millions of internet followers, anyway. The founder of Barstool Sports is in Detroit this week to hype up his company’s presence at Greektown Casino‘s new sports book. Online gambling debuts in Michigan on Friday. Portnoy is an University of Michigan alumnus and no … Continue reading Barstool Sports founder Dave Portnoy in Detroit this week for Greektown Casino Sportsbook & the launch of Barstool Sportsbook app