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Quick Reference
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Breakdown
Mtn FB Cross Screen is a screen pass out of Shotgun Split Offset that uses pre-snap motion to disguise a fullback screen developing behind a crossing action. The offensive line sets up a soft pass pocket before releasing to escort the fullback across the field, while the receivers run clear-out routes to pull coverage away from the screen lane. This is a zone beater at its core, designed to punish teams that drop into off coverage or blitz aggressively without accounting for the delayed fullback release, and the primary read progression starts with the FB screen before working to any late-developing crosser if the screen is covered.
Defensive Reads
Pre-snap, identify if the defense shifts linebackers or a safety toward the motion, which signals they are prepared to sniff out the screen Watch for a defensive lineman dropping into a spy or shallow zone, since that is the biggest screen killer and usually shuts this play down completely Man coverage teams that blitz off the edge get exposed because their rushers overrun the fullback release, so look for blitz packages with no delayed contain Zone defenses with linebackers sitting at depth and reading quarterback eyes will jump the screen lane, so avoid this call against disciplined Tampa 2 or Cover 3 sink shells Post-snap, key the flow of the middle linebacker: if he commits hard to run action or motion, the fullback screen will have a clean convoy of blockers ahead of it
Usage Tips
Use the pre-snap motion to bait linebackers into flowing with the fullback and confirm they are biting before the snap
This play punishes blitz-heavy defenses, so call it on early downs when opponents are sending extra rushers to disrupt your run game
Hot route the outside receivers into deeper clear-out routes if you are facing man coverage to open up more room for the screen to develop
Pair this with Mtn Inside Zone or Mtn PA HB Swing earlier in a series so defenders start keying run flow and misdiagnose the screen action
Avoid calling this against disciplined zone defenses that keep linebackers home, since spy-conscious defenders can blow up the screen before it develops
Snap the ball quickly after motion if you see the defense shifting a linebacker to follow the fullback, since that confirms the lane is there
