re: Are we definitely switching back to the 3-4 on defense?

I have no doubt that a coach of Brian Kelly's caliber has come in and immediately started researching the great college football defenses of the late 80's, 90's, and 2000's and is implementing a plan to replicate those as we speak. Since Ed is out of the coaching game he was nice enough to donate his vast library of coaching books to the new staff: