... Notre Dame's new defensive coordinator. After only one year at the helm, the Irish went 3-9. The following year, 2008, Notre Dame head coach Charlie Weis brought in John Tentua (a 4-3 coach) to "co-coordinate" the defense. At first glance, it seemed like a great idea. Tenuta was highly thought of as one of the best defensive coordinators in the country. In the end, it proved to be one of the major factors into why Charlie Weis was fired after five seasons.

Corwin Brown ran a 3-4 "personnel" defense. It wasn't the type of defense that Alabama runs. It gave you many different types of looks. Although they didn't have the perfect personnel for the system, the Irish defense was hardly the problem in 2007.

There are four major reasons why ...

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