Derrick Foster, Tim Polasek depart Iowa football, what's the impact?

After a brief hiatus, HawkeyeInsider's David Eickholt and Sean Bock are back to breakdown a busy couple of days of Iowa football news. Mark Kallenberger, a projected starting tackle for the 2021 Hawkeyes, elected to end his college football career. Offensive line coach Tim Polasek coach departs the program for an offensive coordinator/QB Coach opportunity at Wyoming and running back coach Derrick Foster is the new LA Chargers RB coach. What impact does that have on Iowa? What's next? Let's talk about it.