Suspensions to Iowa's starting offensive tackles have provided opportunity for inexperienced players to step up, including redshirt freshman Mark Kallenberger.
Kallenberger, a former Bettendorf Bulldog, said his offseason improvement has been focused on run blocking as well as making gains in the weight room.
Iowa kicks off the season on September 1 at 2:30 p.m. against Northern Illinois.
The one-game suspension of Alaric Jackson and Tristan Wirfs has…
Iowa head coach Kirk Ferentz joined Hawkeye Headquarters reporter…