Mtn PA Boot Cross Y-Corner is a play-action rollout concept out of Singleback Wing Flex Close with 12 personnel. Off the play fake, the fullback works underneath to the flat while a receiver runs a deep crossing route from the backfield area and the tight end (Y) attacks the corner from the line, and the boot action pulls the QB toward the flat and corner combo. The route from the inside alignment threads across the field underneath the corner, creating a natural high low read. This is a man beater first, since the deep cross clears underneath linebackers and the flat route occupies man defenders on the boot side, but the corner route also stresses zone defenders who have to widen for the flat and vacate the corner window. Primary progression starts with the flat route as the first quick option, moves to the deep crosser sitting down or continuing across the middle, and finishes with the Y-Corner as the deep shot against a blown coverage or busted zone rotation.

Defensive Reads

Read the linebacker depth at the snap since shallow linebackers crashing on the play fake open up the deep cross for an easy completion. Watch the flat defender or slot corner reaction to the fullback release, if he sits or gets picked by traffic the flat throw is there immediately. Identify single high safety shells like Cover 3 or Cover 1 pre-snap, since the Y-Corner route has room to work in the void created by the safety rotating to the middle of the field. Look for user controlled defenders sitting in a lurk position over the deep cross, this is the primary threat that can jump the crosser and blow up the play if the QB stares it down too long. Against two high safety shells like Cover 2 or Cover 4, expect the corner route to be capped, so shift your progression to the flat and crosser instead of forcing the deep shot.

Usage Tips

Use pre-snap motion or formation recognition to confirm whether the defense is showing man or zone before the snap since this play punishes both differently.

On the boot roll, work through the flat route first as your immediate answer against blitz or man coverage, then climb to the deep cross if the underneath defenders bite on the play fake.

Save the Y-Corner throw for situations where you see single high safety or the defense rotates hard to the flat, since that opens the corner window late in the progression.

Pair this call with Mtn PA Boot Drive Corner and Mtn PA Boot Corner earlier in a series to condition the defense to jump the flat or crosser, then hit this concept when they overplay those routes.

Best used on second and medium or third and short to medium where defenses are more likely to sit in man coverage or blitz, giving you the flat and cross as safe answers with the corner as the home run shot.

Run this off similar formation and personnel as Mtn Corner Y-Choice and Mtn Drive Shake to disguise your play-action intentions and keep defenders honest against the run fake.

Mtn PA Boot Cross Y-Corner

Quick Reference

In 2 playbooks

Receiver routes

Read progression

Breakdown

Defensive Reads

Usage Tips

Other Plays in Wing Flex Close