"Noble said he is slated to be the starting nose tackle alongside newly signed Cornelius Griffin. Joe Salave'a is working behind Noble, and Jermaine Haley trails Griffin at the "three-technique" spot, where the defender lines up on the outside edge of the guard and is expected to get more backfield penetration."
Noble's job is primarily to tie up two blockers, something he excelled at in Dallas. I'm guessing it's more of a one gap system, which makes sense considering all the talk I've heard about Williams freeing up the lineman to get penetration and make plays. I think it's a one back system because it's a more attacking style of defense that Williams is bringing, while two gap systems seem to be more about containment. I think Marvin Lewis ran a two gap system here, which would then explain why he constantly harped on Arrington to be more disciplined.
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