Playbooks

Inside Zone Split is a Shotgun run play out of Y Off Trips with 11 personnel, showing a bunched trips look to one side and a single receiver isolated on the backside. The line executes a zone blocking scheme with double teams at the point of attack that flow toward the play side, giving the HB a downhill track with the option to bend backside if the defensive front overplays the initial flow. This is a pure run play with no pass option, and the primary read progression is the frontside combo block into backside cutback lane, letting the HB press the hole and read the first true blocker on the zone track.
Look for base 4-3 or 4-2-5 fronts with linebackers stacked tight to the box, since this scheme exploits gap discipline against light boxes. Watch safety alignment pre-snap. Single high safety looks with the box loaded tell you the defense expects run, so consider audibling out if the count is unfavorable. Post-snap, key the play side defensive tackle and end. If they get width and lose contain, the HB has a clean cutback lane to the backside. Nano blitzes or run blitzes off the edge can blow this play up before the double team sets, so be ready to check to a screen or quick pass if you see linebackers crashing pre-snap. Cover 2 or Cover 3 zone shells with linebackers sitting in run fit lanes will clog the frontside gap, so rely on the HB vision and patience to find the backside crease.
Call this on early downs like first and ten to stay ahead of the chains and keep the defense honest against your Y Off Trips pass concepts.
Pre-snap, check the box count. If the defense has six or more in the box against 11 personnel, consider audibling to HB Swing Screen or RPO Bubble Y Pop instead.
Use this play early in a drive to set up Bounce Inside Zone Split later, since both plays share the same initial mesh and backfield action, forcing linebackers to hesitate on run fits.
Against defenses that key run flow with fast flowing linebackers, let the HB press the frontside hole hard before cutting, since overaggressive pursuit creates cutback lanes on the backside.
Pair this with PA Read Smash or PA Zone Shot from the same Y Off Trips set once you have shown Inside Zone Split a few times, since the play action rollout mirrors this run action and freezes second level defenders.



















































