Playbooks

WR Mid Screen out of Shotgun Trey Open sets up a bubble style screen to the backside receiver aligned as the single X. The offensive line and slot receivers to the trips side release upfield to sell pass and pull defenders away, giving the isolated WR at the bottom a clean lane to catch the screen and cut upfield behind a wall of blockers. This is a screen play built to beat man pressure and aggressive blitz packages, with the primary read being an immediate, pre-determined throw to the screen WR rather than a progression through multiple routes.
Watch for cornerback depth on the screen side WR pre-snap, a corner playing off coverage gives the blockers a numbers advantage to set up the wall. Identify blitz packages before the snap, since screens like this thrive against man pressure where defenders are running upfield instead of squatting. Post-snap, key on any user-controlled defender sitting in a shallow zone or lurking near the line, a smart user can jump the screen and blow it up for a loss. Zone heavy shells with linebackers reading the QB's eyes are the biggest threat, since they can react to the screen action and close the throwing lane quickly. If the defense shows Cover 2 or Cover 3 with disciplined linebackers staying at depth, this screen loses its blocking numbers advantage and should be avoided.
Call this on early downs against defenses that show heavy man coverage or blitz indicators like linebackers creeping to the line pre-snap.
Check the trips side alignment before the snap, if the defense is sending extra rushers or playing tight man on that side, the backside screen has more room to develop.
Use hot routes sparingly here, the play design already isolates the WR, so avoid changing route assignments on the screen side and instead adjust blocking angles on the trips side if needed.
Pair this with Y Stick HB Angle or Curls from the same set to keep defenses honest, since both look similar pre-snap but attack downfield instead of relying on a screen.
Throw with anticipation as soon as the WR turns to catch it, since a delayed throw against zone blitz or spy looks will get blown up in the backfield.