Playbooks

Breakdown

Y-Sail out of Shotgun Stack Y-Flex is a classic three-level sail concept built to attack Cover 2 and Cover 3 shells. The stacked receiver on the left runs a deep dig across the field while the underneath receiver clears out on a corner route to the flat, and on the right side the diagram shows the TE running the sail (corner) route with the outside receiver stemming vertically up the seam while the RB releases to the flat underneath. The primary read progression goes high to low on the sail side: vertical seam route first, then the TE sail route breaking to the corner, and finally the RB flat route as the checkdown.

Defensive Reads

Pre-snap, check safety depth and cornerback alignment on the sail side, deep safeties splitting the field usually signal Cover 2 or Cover 4 which this concept is built to exploit Watch the flat defender at the snap, if he sinks into the TE sail route the vertical seam route behind him will be wide open for a big play Man coverage with no help over the top gets beaten by the corner route breaking away from a trailing defender, look for a linebacker in mans coverage on the RB for an easy checkdown win This play struggles against a hard Cover 3 sky or buzz look where the flat defender jumps the TE early, so be ready to check down quickly if that trigger happens Watch for a user controlled defender lurking in the middle of the field, since that player can rob the sail route or jump the seam if the quarterback holds the ball too long

Usage Tips

Identify pre-snap whether the corner is playing over the top or squatting on the flat, since that determines whether the sail route to the TE or the vertical seam route wins first

Hot route the running back to a flat release immediately if you see man coverage with a linebacker matched up, giving you an easy leverage win underneath

Against Cover 3, key the deep third defender to the sail side, if he sinks with the seam route the TE will settle into open grass on the corner breaking route

Use this play on second or third and medium situations where the defense is more likely to sit in a two high shell, since the sail concept is designed to stretch that exact coverage

Pair this with Curl Combo or Z Spot from the same set to keep the defense guessing between high low stretches and quick underneath combos, forcing linebackers to hesitate on their drops