Crew Chiefs.The thought could be traced to his playing days at Concordia University (Wis.), but the message fit the tough, old school-style of the Bison offense. "I just snapped, 'Crew Chiefs, we do everything,'" said Polasek, now the offensive line coach at Iowa. "'No matter what happens, we'll take the garbage out.' They embraced it. "It's the nature of a tight end or fullback in the program; which is usually more about blocking than getting the ball.