Playbooks

Wing Flex Close is Singleback's condensed 12 personnel look: the back is aligned behind the quarterback, one tight end is attached tight to the line, and the second tight end sits in a wing position just off the ball while the flexed receiver reduces down inside the numbers. Everything is compressed toward the core of the formation, which is the entire point. Unlike wider Singleback sets that stretch the defense horizontally with true 3x1 or 2x2 spacing, Wing Flex Close forces the defense to declare a front and a strength before the snap, then attacks whichever side they overload with motion, jet action, and boot concepts.
The personnel package is what makes this set dangerous. Two tight ends attached or semi-attached gives you legitimate gap scheme and zone run power (HB Duo, Inside Zone Split, HB Stretch, HB Toss Weak) out of a look the defense has to respect with base or big personnel. That pulls a linebacker or a safety into the box, and then the flexed tight end or wing works against that linebacker in space on Mtn Corner Y-Choice, Drive Y Corner, and Mtn Slot Option. If the defense counters with nickel, you have Jet Sweep, PA Jet Sweep, and Zone Fake Jet to punish the lighter box with horizontal stress, which is where the Gadget tag earns its keep.
Concept-wise, this set is built around run action and play-action marriage. The Mtn (motion) variants let you shift the wing across the formation before the snap, changing the run strength and dragging man defenders with them, which gives you a free man/zone read. The boot family (Mtn PA Boot Drive Corner, Mtn PA Boot Cross Y-Corner, Mtn PA Boot Corner, PA Boot Screen) flips the quarterback away from the run action and floods a half of the field with a corner/drive combo. Then Four Verticals, Smash, and PA Shot Post exist as the vertical punishment package once the safeties start creeping down to defend the run and the boot flood.
Open with HB Duo and Inside Zone Split on early downs to force base personnel, then go straight to Mtn Corner Y-Choice or Drive Y Corner against the linebacker matchup on the flexed tight end.
Use the motion plays as a free read: motion the wing, watch who travels, and if a linebacker chases it is man so let the drive and cross routes work naturally instead of hot routing.
On third and medium, Stick and Mtn Slot Option are your highest percentage calls because condensed spacing gives the option route room to break either direction against zone.
Pair the boot family with your run game on the same series, but check the edge defender to the boot side before the snap and hot route the back to a flat or block if the defense is showing overload pressure.
Against single high looks that crowd the box, go to Four Verticals or PA Shot Post and hot route the flexed receiver to a streak so you have two vertical threats stressing the deep middle defender.
Keep PA Jet Sweep and Zone Fake Jet in the rotation once your opponent starts flowing hard to the initial run action, since the Gadget element punishes overcommitted pursuit.




















