Not a big Fan of the 3-4. It's typically better against the pass but weaker against the run. I expect to see us getting gashed on the ground but much better against the pass. As long as we can hold a lead, the run game for the opposing team is less important. So getting the offense to be at least competent enough to score or maintain a drive, as opposed to record 3 and outs like it has been is more important than what happens on the D.
The cushion on 3rd down, was the most insanely frustrating thing to watch as a fan. He was getting paid millions and here I sit and think we have a great DL, press the WR to give them more time to get to the QB. It's simple. Rarely happened. Biggest change I hope to see.