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Quick Reference
Not in any team playbook.
Breakdown
Wk Corner Blitz out of Big Nickel Under brings the weak corner off the edge as an extra rusher while the defense plays a zone shell behind it. Both purple defenders (slot corner and weak corner) sink into underneath zones with one flashing outside contain and the other working an inside curl/flat zone, the olive defender walls off the middle hook zone, and the four square defenders spin down into a shallow zone wall to clog underneath crossers. The three deep blue defenders bail into deep thirds to protect over the top of the blitz. This is a zone blitz designed to disguise pressure while still keeping three deep defenders in place, so the primary read is the underneath zone wall first, then trust the overlapping thirds deep if the quarterback tries to push the ball vertically.
Defensive Reads
Pre-snap, check if the offense has a receiver aligned directly over the blitzing weak corner since that is the leverage point this blitz exploits. Look at the running back's alignment and depth, if he is set to the blitz side he can pick it up and kill the pressure. Post-snap, watch for the running back leaking out to the flat vacated by the blitzing corner, that is the first answer most offenses will try. Identify if the quarterback is a scrambler, since the underneath zone wall can be beaten by design rollouts or bootlegs to the blitz side. This call gets shut down by quick game to the flat and by any protection that slides toward the blitzing corner, so mix in delayed or disguised blitz variants like Sam Blitz 2 to keep protections guessing.
Usage Tips
Use this on early downs or third and medium when you want to disguise a blitz without fully exposing man coverage on the outside. Show a two-high shell before the snap and delay the corner blitz trigger so the offense commits to a protection call before the pressure shows. Hot route the underneath zone defenders into tighter drops if you are facing a lot of quick game or RPO concepts that attack the flats. Pair this call with Cover 1 Hole or Cover 3 Sky Wk in the same set so the offense cannot key on the corner blitz look based on your presnap alignment. Avoid calling this against empty formations or heavy trips looks since the blitzing corner leaves a numbers disadvantage on that side of the field.
