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Breakdown

Y-sail is a classic sail concept out of Shotgun Doubles Y Off that stacks a corner route, a sail (flag) route from the TE, and an underneath flat or curl to create a high-low stretch on the sideline defender. It is a pass play designed to attack Cover 2 and Cover 3 shells by forcing the flat defender or cornerback to choose between the underneath route and the deep corner. The primary read progression starts with the corner route on the outside, works down to the TE sail route in the flat-to-intermediate zone, and finishes with the underneath checkdown or drag as the escape valve.

Defensive Reads

Watch for a cornerback playing outside leverage pre-snap, that alignment often signals Cover 3 with help over the top on the corner route. If the flat defender widens immediately after the snap to take away the TE sail, the underneath route or drag will be wide open in the void behind him. Look for a user-controlled safety rotating late to double the corner route, this is the biggest threat to shutting down the deep shot and means you should already be progressing to the sail route. A nano blitz or hot mike blitz off the edge can disrupt this play's timing before the corner route develops, so identify pressure pre-snap and be ready to hit the underneath route quickly. Cover 2 with a hard-sitting flat defender who refuses to widen is the shell most likely to shut this concept down, forcing a checkdown rather than a big gain.

Usage Tips

Check the pre-snap safety alignment before the snap, if you see two high safeties sitting deep it confirms Cover 2 and the sail concept will stretch the cornerback vertically while the flat defender has to widen for the TE.

Against Cover 3, key the flat defender's depth, if he sinks with the corner route the underneath route will sit in the soft spot of the zone for an easy completion.

Use the TE sail route as your primary hot route adjustment if you diagnose man coverage pre-snap, since it naturally works away from man defenders leaking to the flat.

This play pairs well with Mtn Sail and Corner Strike in your play-calling sequence, since all three attack similar sideline zones and can set up a double move or counter later in the drive once the defense starts jumping the corner route.

Best used on early downs or in second and medium situations where you have room to take the shot on the corner route but can still check down safely if the defense disguises coverage.

Other Plays in Doubles Y Off