Playbooks

Empty Trey Stack takes the standard Shotgun alignment and empties the backfield, sending the running back out wide while clustering three receivers to one side in a stacked trey look. That gives you a 3x2 spread with no blocker behind the quarterback, so every defender in the box is accounted for pre-snap and you get an instant read on whether the defense is in man or zone based on how they align to the stack. The 11 personnel grouping means your tight end is detached and can be part of the stack or split out, which is the key wrinkle: defenses that want to bracket your top slot receiver have to declare it, and defenses that stay base have a linebacker chasing a tight end or the 3DRB tag back out of the formation.
The stack itself is the whole point. Press man coverage cannot get clean hands on stacked receivers because defenders have to fight through traffic just to find their assignment, which makes concepts like Levels, Double Stick, and Y Stick brutal against man. Against zone, the trey side creates natural flooding with Curl Flat Salem and Bench Corner attacking three levels of the same coverage zone, forcing the corner and the flat defender to make a wrong choice. Smash Seam and Post Wheel are your shot plays off the same look, and because everything releases from the same cluster, defenders in zone match coverage frequently pass off the wrong route and leave a receiver uncovered on the far hash.
Where this set separates itself from other Shotgun sets is the two-man backside. Isolating your SLWR or a Power HB one-on-one to the weak side gives you a clean read: if the defense rotates strength to the trey, that isolated receiver is on an island against a single corner with no help, and a hot routed fade or slant is basically a free man beater. QB Draw and Jailbreak Screen keep the defense honest when they start walking defenders out of the box to match the spread, and Slot Middle Screen punishes teams that over-commit to the stack side rush.
Read the safeties first: single high means attack the isolated backside receiver with a fade or slant, two high means work the trey side flood concepts underneath and behind the flat defender.
Use this set on third and five to eight yards where Y Stick, Double Stick, and Levels all sit at the sticks, and hot route the outside stack receiver to a comeback if the defense is playing soft zone.
If you see man coverage indicators (defenders shading inside on the stack, a linebacker walked out over your tight end), go straight to Post Wheel or Smash Seam and let the stack traffic do the work.
Against blitz-heavy opponents, check to Jailbreak Screen or QB Draw and let them run themselves out of the play, then go back to Bench Corner and Fade Out once they stop crashing.
Motion the isolated receiver toward the stack pre-snap to confirm coverage: if a defender follows he is in man, if the box shifts he is in zone, and adjust your route combo before the snap accordingly.