It’s up over at Grantland:
The key to Gibbs’ zone running game is that the foundational play is the outside zone (the “wide zone,” in Gibbs’ terminology), not the more common inside zone. The inside zone is a “vertical push” play that aims to move the defense backward and have a running back carry the ball forward with a full head of steam to get yards. The outside zone is more about lateral movement. Each blocker first steps to the side rather than forward (and many coaches teach their linemen to take their first step backward, a technique referred to as “losing ground to gain ground”). The blockers then try to pin defenders to the inside — or if they can’t do that, drive them to the sideline. Sometimes on these plays, the running back runs around the edge on a traditional-looking sweep. More often, the defense is stretched to its limit and the runner hits a crease and then sprints straight toward the end zone. When executed correctly, it’s extremely taxing on the defense, as all of their instincts — aggressiveness to the ball carrier and fast pursuit — work against them, and linemen without great size or talent can open huge holes through excellent technique and discipline.
Read the whole thing.
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