Playbooks

Mtn HB Slam is a downhill run play out of Singleback Wing with 12 personnel, featuring pre-snap motion into the backfield to create a "Mtn" (mountain) look before the snap. The diagram shows the halfback taking a quick angle handoff and slamming it straight into the line of scrimmage behind the interior line, with the offensive line blocking down at the point of attack while the wing TE and receiver run off the flow to hold second-level defenders. There is no route combo to read here since this is a pure downhill dive concept designed to punch through a gap before the defense can flow, so the primary read is the frontside gap based on the defensive line's initial charge.
Key the linebacker depth immediately after the motion, if the second level linebackers crash down hard and fast, this play gets stuffed before it develops. Look for a stacked box pre-snap with extra defenders inside the tackles, that alignment is designed to eliminate the interior slam lane. Watch for a defender shadowing the motion man across the formation, since that confirms man coverage principles and usually signals a lighter box for the run. Post-snap, track whether the defensive tackles are shooting gaps aggressively or reading and reacting, since gap-shooting fronts can blow this play up before the back gets north-south. If the user takes control of a linebacker and sits in the A or B gap pre-snap, audible out of this play since that user is squatting on the exact lane Mtn HB Slam is designed to hit.
Use the pre-snap motion to identify if the defense is in man or zone, since a defender following the motion man across the formation confirms man coverage and tells you the box is light.
Call this on short yardage or 3rd and 1 situations where you need a quick, decisive gap shot before linebackers can fill.
Watch the defensive line alignment before the snap, if you see a bubble over the guard or center, that is your intended gap to attack.
Pair this play with Mtn HB Dive and Mtn HB Counter in the same personnel and motion look so the defense cannot key on the slam action based on formation alone.
Once the defense starts cheating linebackers downhill to stop the slam, sequence into Mtn PA Boot or Mtn PA Cross from the same Mtn motion look to hit them with play action off the same picture.