FWIW I have never been a fan of the 3-4 defense, always felt you were too susceptible to the run, however, next year I could see them moving on from Suh and Brockers and going with Sebastian Joseph-Day at NT and John Franklin-Myers at the other DE position, with Fowler, Okoronkwo & Ebukam and maybe another free agent addition rotating...Fowler been a good addition, he's an upgrade, although I was hoping for more especially against the Eagles, where there was not pressure at all.
I'm also hoping for some changes on the defensive staff, but that's another thread that has been posted already.