To toss in one last bit of pure speculation: Premise---Diaco's view of a shifting/transforming 3-4 is subtler and different from our own. If so, it would be "nice" to continuously have a mammoth run-stuffer/ space-occupier to always man the middle [even offset when it presents a 4-down look,] but, if not manned that way, then power players like Tuitt, Springmann, Schwenke [and certain current recruits] can fluidly move in and out of "3-4" arrangements which at the snap begin to look much more like 4-3's. In such situations, mobile players with athleticism and an appropriate mean-streak [Niklaus? Hounsell?] might find themselves wreaking havoc from "the inside". Given loaded Waves of such guys to keep sending at the enemy, they wouldn't have to be massive monsters, just monsters.
Take that for what it is: ignorant BS by an old guy trying to see through the fog.
p.s. it will be interesting this season to see how often an Ethan Johnson or a Kona Schwenke, or a Stephon Tuitt, seems to be lined up as a defensive tackle "4-3 style" with a Nix/Cwynar/HWilliams still on the nose. Just outside them being Ishaq or Fleming, hand down. I know that Diaco will do this, but how often is the interest. It will say something to the point of this thread.
