Playbooks

Weak Flood is a three level flood concept run to the weak side of the I Form Slot formation, designed to stretch a Cover 3 or Cover 4 shell horizontally and vertically with one clean read. The diagram shows the outside receiver running a deep corner route to clear out the top of the zone, a middle route breaking hard underneath from right to left as the shallow crosser, and a vertical seam route from the inside slot climbing straight up the middle to hold the safety. The primary progression starts high to low: first check the deep corner route for a shot play, then work down to the intermediate crosser as the flood window opens against zone defenders flowing with the corner route.
Identify single high versus two high safety shells before the snap, single high alignments are more vulnerable to the deep corner route beating the flat defender over the top. Watch the flow of the cornerback and outside linebacker after the snap, if they both widen with the corner route the underneath crosser will have a wide open throwing lane. User the deep third defender or safety on the play side to take away the corner route, this forces the quarterback to hold the ball and check down into a tighter window. Spy or blitz the middle of the field with a linebacker to disrupt the crossing route timing, since that route is the primary answer against zone coverage. Man coverage with tight press on the outside receiver combined with underneath robber technique on the crosser can shut down all three levels of this flood concept.
Check the safety alignment before the snap, if you see two high safeties rotating to one side post snap this flood concept still creates natural leverage against Cover 3 rotation.
Use the deep corner route as a shot play on early downs when you have a speed mismatch on the outside cornerback, then live off the intermediate crosser on the true progression reads.
Hot route the vertical seam route into a deep dig or drag if you diagnose man coverage pre snap, since the flood concept loses some effectiveness against tight man unless you create separation with motion.
Pair this play with HB Stretch and HB Stretch Alert Bubble from the same set to keep linebackers honest, then come back to Weak Flood once you see the defense flowing hard to stop the run.
Best used on second and medium or third and long situations where the defense is likely to sit in zone coverage, since the flood concept exploits zone defenders who cannot cover both underneath and deep on the same side.
































