Class is officially in session at Tight End University. Think of an offseason trade event, featuring the best tight ends in the NFL. It’s happening right now in Nashville for the third year in a row, and it’s the brainchild of San Francisco 49ers tight end George Kittle. So today, NFL reporter Turron Davenport gives us a crash course on his experience at TEU…and breaks down how the position is changing the league.