In case you haven't heard, the Iowa defense is good.

After a five interception day against Iowa State, the Hawkeye defense held a red-hot Arizona offense to less than half of their normal yardage.

Iowa held Arizona quarterback Matt Scott to 50 yards passing and an interception. The Hawkeyes also held running back Nic Grigsby, the nation's second leading rusher heading into the game, to a whopping 75 yards and no touchdowns.

Iowa has built on its 2008 defensive performance, which was considered arguably the best in the Big Ten, and have turned their unit into one of the best, if not the best, in the country.

From the pass rush and the turnovers, to the run defense, this group has no weakness. And while it ...

Read Complete Article at Bleacher Report - College Football
Article is property of BleacherReport.com