Playbooks

Breakdown

Inside Zone from Shotgun Doubles Y-Flex is a true zone run play, with the offensive line flowing laterally to create a vertical crease for the HB behind the RB alignment shown in the backfield. The diagram shows four receivers split wide with no motion or route assignments drawn, meaning the entire concept is built around the zone blocking scheme up front rather than any pass concept. The primary read progression for the ball carrier is backside cutback first, then the playside A gap, and finally bouncing outside if the frontside gets sealed, following the natural flow of the offensive line double teams at the point of attack.

Defensive Reads

Watch linebacker depth before the snap, since linebackers sitting too shallow at five yards or less are prone to getting washed by zone flow and opening cutback lanes. Identify if the defense is in a 4-3 under or 3-4 odd front, since odd fronts with a true nose tackle can clog the frontside A gap and force the cutback read. Look for safety rotation to the box, since an eight man front with a safety cheating down will shut down inside zone and require a hot route to a bubble screen or quick pass instead. Track defensive tackle alignment, since a shaded nose or 3 technique that shoots gaps aggressively can be exploited with the backside cutback lane. Beware of a lurking user linebacker sitting in the intended cutback lane, since a smart user defender will squat there specifically to blow up inside zone runs.

Usage Tips

Check the box count before the snap and only run this into light boxes with six or fewer defenders in the tackle to tackle area.

Use the backfield vision cone to identify the widest running cutback lane rather than forcing the play frontside if the linebackers flow too fast.

Pair this with HB Draw and RPO Zone Peek out of the same Doubles Y-Flex set so defenses cannot sit on run fits without opening themselves up to the peek read or the draw counter.

Attack second and short or first and ten situations when the defense is likely to play base personnel instead of stacking the box with extra linebackers.

User the fullback or TE blocker on the playside double team if you need an extra push against interior defensive tackles who are winning with quickness.