Playbooks
Quick Reference
Breakdown
Y Trail out of Strong I Close (21 personnel) shows a three level stress concept built off crossing routes. The X receiver runs a deep vertical up the numbers to clear out the top of the coverage, while the Y (TE) and inside slot work a trail combo, with the underneath receiver breaking flat under a deeper crosser that settles or continues away from the flow. The flanker to the boundary side runs a shallow drag across the field for an outlet check-down. This is a man beater built to create natural rub and separation on the trail concept, with the fullback and offensive line holding up in a standard drop back protection. Primary progression starts with the deep vertical clear-out read, then works down to the trail crosser breaking underneath, and finally checks to the flat/drag route as the last resort outlet.
Defensive Reads
Pre-snap identify the free safety depth, if he is aligned deep middle in a single high shell expect Cover 1 or Cover 3 which the vertical clear-out is designed to exploit. Watch the slot cornerback or nickel leverage, inside leverage in man coverage signals the trail route will have an easy natural pick against trail technique. Post-snap key the underneath linebacker responsible for the shallow crossing zone, if he sinks too deep the trail route sits in the window for an easy completion. Be alert for a user controlled lurk defender sitting in the shallow crossing lane, this is the primary counter to the trail concept and can jump the underneath break if the QB does not manipulate with eyes first. Cover 2 or Cover 4 shells with two deep safeties can take away the vertical clear-out and force the quarterback to check down early, making disciplined zone drops the best defensive answer.
Usage Tips
Look for single high safety shells pre-snap since the deep vertical clear-out is designed to run off Cover 1 and Cover 3 defenders and open the trail route underneath.
Motion the flanker or check leverage on the slot defender before the snap, if you see man coverage with no safety help over the top the trail concept will win almost every time due to the natural rub.
Use hot routes to convert the shallow drag into a deeper option against zone heavy defenses if the underneath defenders are sitting in short passing lanes.
This play pairs well with Mesh Post or PA Deep Cross in the same set since both attack similar zones but from different route timing, keeping defenders guessing on crossers versus verticals.
Best called on second and medium or third and long situations where the defense is more likely to sit in zone shells, since the trail route naturally sits down against soft zone coverage while still beating man.
