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Breakdown

Inside Zone WK out of the I Form Pro 21 personnel is a weak side zone run play that sends the HB toward the weak side of the formation behind the FB lead blocker. The offensive line executes a zone blocking scheme, working combo blocks at the point of attack and climbing to the second level to seal off linebackers, while the FB kicks out or leads through the weak side hole. The primary read progression for the HB is to press the weak side gap, read the double team block at the point of attack, and cut to whichever crease opens based on the flow of the defensive line and linebacker fits.

Defensive Reads

Pre-snap, check the strength of the defensive front. A 4-3 Under or 3-4 shifted to the strong side leaves the weak side bubble light, which is exactly what this play is designed to attack. Watch the weak side linebacker depth. If he is sitting tight to the line at snap, he is likely reading run fast and will fill the cutback lane quickly, so plan to press the gap and cut immediately rather than dancing behind the line. Post-snap, key the defensive tackle alignment on the play side. A shaded nose tackle or three technique that gets moved off the ball by the zone combo block tells you the crease is opening on schedule. This play struggles against gap exchange run blitzes and stacked fronts where the defense sends extra bodies into the box pre-snap, since the zone blocking scheme loses its numbers advantage. Watch for a user-controlled linebacker flowing hard to the play side. If the defense keys the FB action and overloads that gap, use the natural cutback lane created by zone blocking to bounce the run to the backside instead of forcing it into a stacked front.

Usage Tips

Use Inside Zone WK on early downs, especially first and second down, to stay balanced and keep the defense honest against your pass calls from this same Pro I Form 21 personnel look.

Check the box count before the snap. If the defense has six or more defenders in the box, consider audibling to a play action shot play like PA Draw Shot or PA Lead Draw Shot to punish an overloaded front.

Identify whether the defense is running a base 4-3 or 3-4 front. Odd fronts with a shaded nose tackle can clog the weak side bubble, so be ready to bounce the run outside if the backside cut lane closes.

Pair this run with HB Stretch Alert X Lookie and HB Counter Wk in the same personnel to keep linebackers guessing on run fits, since all three plays start with similar HB action but attack different gaps.

Use manual control on the FB to adjust his blocking angle in real time. If the play side linebacker is stacking the weak side gap, take the FB across the formation to help seal the edge instead of blocking straight ahead.

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