Playbooks

PA Y Screen out of Singleback Wing Slot uses play-action to freeze the linebackers while the two outside receivers run vertical routes to clear out the deep coverage. The tight end releases to the flat as the screen target while the offensive line sets up a wall of blockers in front of him, and the fake handoff to the running back sells the run action to hold the second level. This is a screen play designed to punish overaggressive pass rushes and blitz-heavy defenses, and the primary read progression starts with the Y (tight end) screen in the flat before working to the two vertical routes if the screen is covered or the defense sits back.
Key the linebacker depth and reaction to the play-action fake, since linebackers who crash hard on the run fake are exactly what this screen is designed to exploit. Watch for a spy or a linebacker who sits at depth instead of biting on the fake, as this defender can jump the screen route and blow it up before blockers arrive. Identify man coverage on the outside receivers since their vertical releases are simply clear-out routes, meaning any user-controlled defender crashing down on the tight end in the flat wins this rep. Look for pre-snap blitz indicators such as walked-up linebackers or safety rotation toward the box, which signals the defense is vulnerable to the delayed screen timing. Against zone coverage shells with disciplined linebacker drops, the screen lane closes quickly, so recognizing Cover 3 or Cover 4 shells post-snap tells you to bail into the vertical route progression instead.
Call this play against defenses that show blitz pre-snap or have been bringing extra rushers, since the delayed screen exploits defensive linemen and blitzing linebackers flowing upfield past their blocking angles.
Watch for the tight end alignment and manually user the fullback or extra blocker if the diagram shows a lead blocker to seal the first defender who reads the screen.
If the defense drops into a deep zone shell like Cover 3 or Cover 4, take advantage of the two vertical routes on the outside since the screen will have less room to develop against sound zone drops.
Sequence this call after establishing inside zone or power runs from Wing Slot so the linebackers bite on the run fake, then hit the Y screen when you see linebackers stepping up hard at the snap.
Best used on early downs or in obvious run situations like second and short, where defenses are more likely to sell out against the run and get caught flat footed by the screen action.