The Iowa defense will go up against a redshirt freshman quarterback Saturday night when the Hawkeyes host Penn State. Ethan Grunkemeyer stepped in during a loss to Northwestern after Drew Allar suffered a season ending injury. Iowa safety Xavier Nwankpa.

Nwankpa says they are not focusing on all the changes at Penn State.

The Hawkeye defense is coming off a shutout in a win at Wisconsin.

Iowa offensive tack Gennings Dunker expects Penn Staten to bounce back with a big effort.