Playbooks
Mtn Divide is a route combination play out of Shotgun Stack HB WK that splits the field with divide routes, sending receivers on vertical stems that break away from each other to stretch zone defenders horizontally and vertically. The stack alignment creates natural rub potential against man coverage while the divide concept isolates deep half safeties in two high shells, making this primarily a zone beater with man beater upside off the stack release. Your primary read progression starts with the deep divide route working outside to inside, then works down to the underneath crosser or flat option if the safety stays deep and the middle of the field opens up.
Read the safety depth immediately after the snap, if they bail hard to 15 plus yards it confirms Cover 3 or Cover 4 and you should look to the underneath crosser instead of forcing the deep divide route. Watch for the user controlled defender flying to the middle of the field, since a lurking linebacker or safety sitting in the throwing lane of the divide crosser is the biggest threat to this concept. Identify if the cornerback presses the stack receivers at the line, heavy press man coverage can disrupt the natural rub and delay releases, so be ready to move to your secondary read faster. This play struggles against disciplined Cover 2 Man with strong underneath linebacker help since the divide routes can get squeezed from both sides, but it beats Cover 3 zone drops consistently when the flat defender bites on the shorter route and vacates the deep half. Look for blitz packages that bring extra pressure off the edge, since Mtn Divide relies on timing, and a fast interior pressure package can force you off your first read before the divide routes fully develop.
Check the safety alignment before the snap, if you see two high safeties sitting at 10 to 12 yards, the divide routes will split them and create a throwing lane up top for your first read. Against single high looks, key on the stack release since the natural rub can spring one receiver open against man coverage almost immediately off the line. Use this play on second and long or third and medium situations where you need a chunk play but still have an underneath checkdown if the deep shot is not there. Hot route the shallow crosser into a quicker option against Cover 2 Man if the corners are jamming hard at the stack, this gives you a faster answer against physical man coverage. Pair Mtn Divide with Mtn PA Shot in your play calling sequence, since both plays start from the same stack look and force the defense to respect both the run action and the vertical passing concept, keeping linebackers honest and safeties guessing on alignment.