Playbooks
Cover 6 out of the Over Wide 3-3-5 Big Nickel look is a split field zone coverage that pairs quarters coverage to one side with cover 2 to the other, giving you a hybrid shell to defend both run heavy and pass heavy formations. To the quarters side, the corner and safety divide vertical routes while the flat defender squeezes underneath, and to the cover 2 side the corner sinks into the deep half while the safety rotates over the top. This is not a blitz or man beater package, it is a zone shell designed to take away four verticals and deep crossers while still giving you numbers in the box against run tendencies, with the primary post snap read being the strong side safety rotation and how the flat defenders react to quick game or RPO stick concepts.
Pre-snap, check safety depth on the quarters side, if both safeties are showing deep the offense may be reading this as a two high shell and attacking the seams. Post snap, watch the strong side safety rotation, if he flies to the deep half too aggressively it opens a throwing window underneath for slot receivers running option routes. This shell holds up well against four verticals and dagger concepts because of the natural quarters help, but it can be exposed by mesh and drive concepts that flood the shallow zone against only three underneath defenders. Watch for user controlled receivers working the seam between the corner and safety on the quarters side, that is the primary void in this coverage against vertical stem releases. Against RPO heavy offenses, key the mesh point fast, since the underneath flat defenders have to balance run fits and flat responsibility simultaneously, making this coverage vulnerable to well timed run action off tendency.
Identify pre-snap whether the offense is stacking or bunching to the quarters side, since this shell struggles with pick concepts that occupy multiple underneath zone defenders at once.
Use this on early downs when you expect a run or play-action shot, since the split field design keeps two deep defenders over the top on the cover 2 side while still respecting four verticals to the quarters side.
Bait the quarterback into throwing to the cover 2 side by showing soft corner alignment, then user the flat defender to jump underneath routes since the corner is sinking to the deep half.
Pair this call with Cover 3 Sky or Tampa 2 in the same set to disguise your shell, since all three can be dressed up with similar pre-snap alignment and force the quarterback to diagnose post snap.
Avoid calling this on third and long against trips or empty formations, since the cover 2 side flat defender can get isolated in space against quick out routes and speed motions.