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Quick Reference
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Breakdown
Corner Blitz 3 is a Cover 3 zone blitz out of the Big Nickel 4-2-5 Over G front. The diagram shows both cornerbacks pressing off the line and blitzing downhill off the edges while the two deep hook defenders sink to underneath zone drops and the deep third safety carries the middle vertical threat. Up front four rushers plus the two corner blitzers create a six man pressure look, leaving three zone defenders (two flat-to-hook and one deep middle) to bracket the underneath and deep areas, making this a zone pressure package rather than a man beater, run play, or play-action design. Primary read progression for the defense is to first confirm the corner blitzers get home before the quarterback can hit a hot route into the vacated flats, then fall back on the deep middle defender to rob any vertical shot down the seam.
Defensive Reads
Pre-snap, check cornerback depth and press alignment since both corners are showing blitz through their aggressive downhill angles rather than bailing into off coverage. Identify if the offense has trips or bunch formations that can flood the vacated flat zones the corners abandon when they blitz. Post-snap, key the two underneath hook defenders to see if they widen fast enough to account for outlet routes and check downs in the flat. Watch for user controlled receivers immediately releasing outside since the flat is the biggest window created by the corner blitz and offenses will attack it with quick outs or bubble screens. This look is effective against slow developing man beater concepts like double moves or deep crossers but gets exposed by hot route sight adjustments and screens that exploit the perimeter vacancy.
Usage Tips
Call this on obvious passing downs like third and long when the offense is likely to max protect or run five step drop concepts that take too long to develop against the extra rush.
Disguise the corner blitz by showing off coverage pre-snap and delaying the corner trigger until just before the snap so the quarterback cannot get a pre-snap hot route alert to the flat.
Pair this with Cover 3 Sky or Cover 3 Match earlier in a series so the offense sees a similar shell and cannot distinguish the blitz look from a standard zone drop.
Use SS Blitz 2 or WS Blitz 1 as change up calls from the same Big Nickel Over G set to keep the offense guessing about which side the extra rusher comes from.
Avoid calling this against quick game concepts like slants or hitches since the vacated flat zones are exposed the instant the corners leave their landmarks.
