Playbooks

Empty Mtn Spot Replace is an Empty formation Spot concept out of Shotgun Normal Y Off Close, built as a Cover 3 beater with a pre-snap motion tag. Off the diagram, the outside receiver runs a deep corner or go route to clear the flat, the slot receiver runs a short flat/angle route with a hard direction change, and one boundary receiver on the near side is motioned across the formation while the backside runs a deep crossing route from the far X into the void created by the corner route. The primary read progresses low to high on the front side: start with the flat/angle route as your quick outlet, then climb to the deep corner route if the underneath defender widens, using the backside deep cross as your window shot against zone drops.
Pre-snap, identify single high versus two high safety shells, since Cover 3 zone leaves the exact curl to flat window this Spot concept is designed to exploit. Watch the flat defender at the snap, if he sinks too deep chasing the corner route the underneath flat throw is wide open immediately. Key the motion defender, if he trails the man in motion across the formation it confirms man coverage and tells you to attack the deep corner or backside cross with a user throw. User a linebacker or safety to sit in the void where the flat route runner breaks, jumping that route early can bait the quarterback into a checkdown that you can rally to and limit yardage. Disguise a Cover 3 look and rotate to Cover 1 or man match late, since the deep corner route becomes low value against a trailing defender with safety help over the top.
Use the pre-snap motion to identify if the defense is playing man or zone, if a defender follows the motion man across the formation you are facing man coverage and should look to the deep corner route or backside cross for a big play.
Against Cover 3 or Cover 4 zone shells, work your progression from the flat route to the deep corner sitting in the curl to flat void, this is the core Spot concept beater built into the play.
Snap the ball on early or medium down and distance, this is not a third and long staple since the deepest routes take time to develop and the quick flat route is your safety valve on pressure.
Pair this play with Mtn Snag Curls or RPO Peek Spot in the same set to keep defenders honest, since both share route iconography that can freeze linebackers if you sequence them off each other.
If the defense shows heavy blitz indicators pre-snap, hot route the flat route runner into a quick out or check to the running back look near the line for an immediate release valve.