Playbooks

Sail Y Shake is a classic sail concept out of the I Form Slot set that stretches the field horizontally with three levels. The backside receiver runs a deep crossing route while the frontside stacks a corner route up top, a deep out underneath it, and the fullback releases out of the backfield on a shallow flare to the sideline. This is a zone beater built to attack Cover 2 and Cover 3, with the sail combo overloading one side of the field so the primary read progresses from the corner route on top down to the out route sitting underneath, then checking down to the flare release if both are covered.
Identify two deep safeties pre-snap, which signals Cover 2 and tells you the corner route should sit in the window between the corner and safety. If the cornerback is playing off with outside leverage, expect Cover 3 and target the deep out route since the flat defender has to widen for the corner route above it. Watch for a linebacker or nickel defender sinking hard into the flat, this usually means the defense is jumping the out route, so come off it quickly to the flare or crosser. Man coverage with a single high safety is the worst shell for this concept since the deep crosser has no natural pick and the corner route runs into help over the top. Post snap, key the flat defender's first two steps, if he widens with the flare release the out route behind him is wide open, if he sits the corner route has room to work.
Look for two high safeties or a single deep safety pre-snap to confirm this is a good Cover 2 or Cover 3 look before snapping.
Hot route the deep crosser into a hitch or slant if you see man coverage on the outside since the crossing route loses value against tight man technique.
Use the flare route as your answer against Cover 3 sky or Cover 4 since it attacks the flat defender who is often stretched thin in those shells.
Pair this play with Y Cop Smash or PA Y Throwback later in a drive to keep defenders honest on the sail read while punishing overaggressive flat drops.
Run this on second and medium or third and long when you need a defined horizontal stretch that gives you a high, low, and check down option all in one play call.
































