Saturday marked a rare day for Iowa. Kirk Ferentz wasn’t on the sideline, serving a suspension related to a recruiting violation. Instead, Ferentz watched from home. He looked on as the Hawkeyes broke out in the second half en route to a 40-0 shutout victory over Illinois State at Kinnick Stadium. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! It was an adjustment for Ferentz, who hasn’t missed many games since taking over at Iowa in 1999. His routine was simple, though. “Actually, I had a grandson in the house,” Ferentz said. “So got u…