Playbooks

Mtn Verticals is a four vertical shot play out of Shotgun Trey Y-Flex Str with 11 personnel, built to stretch the field on any coverage shell. The two receivers to the trips side run inside verticals, with the inner route breaking outward at the top of the stem to create a natural window against zone drops, while the boundary receiver runs a straight vertical up the sideline. The flexed TE or slot runs a quick out to the flat as a check-down or man beater against aggressive underneath coverage. Primary read progression is outside-in: start deep on the boundary vertical, work to the seam breaking route, then check the flat route late if the safeties clamp down on the verticals.
Check safety depth pre-snap, since two deep safeties at 10-plus yards signals Cover 2 and tells you to target the seam breaking route rather than the sideline vertical. Identify single high safety alignment as a Cover 3 indicator, which opens the inside seam against the deep third defender who is outnumbered by three vertical threats. Watch the flat defender post-snap, since a linebacker sinking too deep opens the underneath flat route for an easy conversion throw. Beware of Cover 4 or Cover 6 shells with matched safety leverage on each vertical, since these shut down the deep shots and force you to rely on the flat route as your only outlet. Key on blitz packages that bring extra rushers, since the quick flat route and hot route options are your answer to beat pressure before the verticals develop downfield.
Use pre-snap motion to identify man versus zone before the snap, since the flat route out of the backfield or slot will show blitz or man leverage immediately if a defender follows across the formation.
Against Cover 2, target the seam route that breaks outside since it settles into the void between the flat defender and the deep half safety.
Against Cover 3, attack the seam between the corner and the deep middle safety with the inside vertical, since the single high defender cannot cover all three deep verticals.
Hot route the flat route into a quick option or slant if you see man coverage with no underneath help, giving you a quick rhythm throw versus blitz looks.
Pair this play with Mtn Stick or RPO Peek Slant in the same set to keep defenses honest, using Mtn Verticals as your explosive shot play once you have set up quick game tendencies.