Reuters The New England Patriots’ linebacker room has undergone a massive identity shift. Mixing battle-tested veterans, high-priced free agents, and an injection of highly athletic youth, this group is built to play physical, downhill football while remaining versatile enough to match up with modern, space-oriented offenses. Here is our breakdown of the linebackers and edge rushers. Inside / Off-Ball Linebackers The interior of this defense relies on instinct, run-stopping linebackers…