Greg Jennings: Cassel is “more verbal, kind of commanding in the huddle.”

Matt Cassel is starting at quarterback for the Vikings on Sunday, a move that wasn’t unexpected with Christian Ponder battling a fractured rib. It’s also a move that the team’s wide receivers are greeting with compliments for the way Cassel leads the offense. Jerome Simpson said, via Chip Scoggins of the Minneapolis Star Tribune, that…