Playbooks

Mtn Duo is a Duo run concept out of Shotgun with 11 personnel, featuring pre-snap motion into a tight Trio Close look before the snap. The offensive line executes double teams at the point of attack designed to climb to the second level, with the HB pressing the hole and reading the double teams before pressing vertically through the crease. This is a downhill power run play, not a man or zone beater in the passing sense, and the primary read progression starts with the play side double team leverage before working through the frontside gap to the backside cutback lane if the defense overloads the box.
Watch for defenders shifting late to follow the motion, this confirms man coverage and often signals a blitz package behind it. Count the box pre-snap, if there are 7 or more defenders stacked near the line this play will struggle against a strong run fit. Key the play side linebacker's first step, if he flows hard downhill and fills the double team gap, look for the HB to bounce backside on the cutback. This play beats base 4-3 and 3-4 fronts with light boxes but gets shut down by heavy run blitzes or a defense showing Cover 0 with an extra safety walked into the box. Watch for user-controlled linebackers spying the mesh point, since a good user read can blow up the double team timing before the HB commits to a gap.
Use the pre-snap motion to identify if the defense is playing man or zone, since a defender running with the motion man confirms man coverage and tells you the box is likely light for the run. Check the linebacker depth and box count before the snap, Duo hits best against light boxes with 6 or fewer defenders in the run fit. Pair this play with Mtn Inside Zone and Power O from the same set so the defense cannot key on a single blocking scheme, keeping linebackers honest on run fits. Run this on early downs like first and ten or second and short to stay ahead of the sticks and set up play action shots later such as Mtn PA X Over or PA Power Shallow Cross from the same formation. Against aggressive slanting defensive lines, trust the double teams to seal and let the HB press the hole longer before cutting, patience is key on Duo concepts.