Playbooks

HB Slip Screen out of Shotgun Split Y Off shows two vertical clear-out routes from the slot receivers designed to pull linebackers and safeties out of the throwing lane, while the offensive line shows pass pro before releasing outside to set up a wall for the running back. The HB slips out to the flat behind that convoy of blockers as the true first read, with the outside receiver on the far side breaking outward to occupy the corner and widen the alley. This is a screen play built to counter aggressive pass rush and blitz-heavy man coverage, using the delayed release and blockers in space to turn a numbers advantage into a explosive gain.
Diagnose screen action immediately if you see offensive linemen release upfield rather than anchor in true pass pro, that is the biggest post snap tell for a slip screen. Key the running back at the snap instead of chasing the two vertical routes upfield, since those are clear out routes designed to bait linebackers away from the real target. Spy or user a linebacker with eyes on the backfield rather than dropping him into a deep zone, this take away the screen before blockers can set up. Sit any defender in the shallow flat on the play side to jump the throw, especially in zone coverage where a corner or slot defender can read and react to the HB release. Man coverage with no underneath help is the most vulnerable shell to this concept, so if you are in man beat it by rerouting the HB at the snap with a user defender before he gets outside.
Call this against overload blitzes and aggressive defensive fronts that bring five or six rushers, since the delayed blockers exploit vacated space underneath. Watch pre snap for blitz indicators like linebackers creeping to the line or safeties rotating down, both are green lights for this concept. Use the two vertical clear out routes to hold linebackers and safeties in zone coverage, then flip your user defender off the HB early since the CPU blockers will handle most of the setup work. Pair this with Mtn H Angle or Backs Cross earlier in a series so defenders start keying the backfield and bite on the play fake instead of screen recognition. Best deployed on second and long or third and medium when the defense is more likely to send extra pressure or play zone drops that leave the flat open.