Playbooks

Switch Y In is a trips-side switch release concept out of Shotgun Trips TE that is designed to confuse man coverage with a crossing release at the snap. The two inside trips receivers cross paths off the line, with one working to a deep corner route and the other bending into a shallow in-cut, while the third trips receiver runs a deep out to clear the sideline. The backside features a running back releasing out of the backfield on a wide flat/swing route protected by a rollout style pocket, with the primary read progression starting on the switch release in-cut against man leverage before working to the deep corner and checking down to the backfield flat route.
Watch the flow of the second and third level defenders at the snap, if linebackers bite hard on the crossing switch release, the backfield flat route to the running back will be wide open on the backside. Man coverage defenders who try to fight through the switch release traffic will get picked, so if you see man match principles pre-snap this play has a high win rate on the in-cut. Zone defenses with a deep half safety over the top can take away the corner route, forcing the quarterback down to the in-cut or the checkdown, so respect the sink of any safety rotating late. Blitz packages that send extra rushers off the edge on the backside can disrupt the rollout protection, so identify overload blitz looks pre-snap and be ready to get the ball out early on the shallow in-cut. Cornerbacks who sit on the underneath in-cut and jump the route can bait a throw, so check for cloud coverage rotations to the trips side before committing to the first read.
Attack man coverage first since the switch release at the snap creates natural rub picks that spring the underneath in route open against man match defenders.
Pre-snap, check for a single high safety shell and press corners on the trips side, this tells you the switch release will likely win against man leverage without needing a hot route.
If you see two high safeties and soft zone drops, hot route the deep out on the trips side into a quick hitch or speed out to beat the cushion before the corner route has time to develop.
Use this play on early downs to set up Deep In or Deep ln from the same set later in the drive, since the route distribution looks identical pre-snap and forces linebackers to guess on the crossing action.
Pair this with China Y Post or Z Cross in your play-calling sequence to keep defenders guessing between switch releases and vertical breaking routes out of the same trips look.