Playbooks
Quick Reference
Breakdown
Switch Seams is a four vertical style route concept out of Shotgun Normal Flex Snug with 11 personnel, and it is built to attack zone coverage down the middle of the field. Both outside receivers release vertically up the sideline while the inside slot receiver on the left runs a switch release into a seam route that climbs up the hash, crossing under the outside receiver's stem. The running back stays in as a check release blocker up the middle, giving the quarterback a clean pocket to climb and let the seam routes develop against off ball linebackers and safeties. The primary read progression starts with the inside seam route created by the switch release, then works to the two outside verticals if the safety rotates over the top.
Defensive Reads
Pre snap, check safety depth and alignment to determine if the defense is in a two high shell that can bracket both outside verticals or a single high look that leaves the seam open. Watch the linebacker depth at the snap, since shallow linebackers who bite on the switch release action will open up the seam route immediately for an explosive gain. Post snap, key the deep safeties for late rotation, because Cover 3 or Cover 1 rotation to one side will leave the opposite outside vertical isolated on a cornerback with no help over the top. User controlled defenders sitting in the deep middle or playing a lurk technique in the seam can undercut the switch release route, so be ready to reset to the outside verticals if that user closes the window. This concept struggles against Cover 4 or quarters coverage with disciplined safeties who stay on top of the seams, and it is vulnerable to a delayed blitz that collapses the pocket before the seam route clears the linebacker level.
Usage Tips
Call this on second or third and long when you need to stress two deep safety shells with four verticals. Pre snap, identify if the defense is showing a two high shell or rotating to single high, because the switch release seam is designed to sit in the void left by a Cover 3 rotation. If you see man coverage with no safety help over the top, hot route the outside verticals into slants or hitches to beat press man quicker than the seam can develop. Use the switch release seam route as your first read against zone drops since the crossing action naturally picks off underneath linebackers and creates separation. Pair this play with Z Spot or All Curl in the same set to keep the defense honest on shorter zone beaters before coming back to Switch Seams for the explosive shot play. Avoid calling this on short yardage downs since the routes take time to develop and the pocket needs to hold up against four man rushes.
