Playbooks

Ace Close is the condensed 12 personnel look inside Singleback, and the alignment is what makes it different from Ace Slot, Ace Big, or the wider Singleback Deuce variants. Both tight ends align tight to the tackles with the receivers narrowed down near the numbers, creating a compressed box with the back set directly behind the quarterback. That squeeze does two things immediately: it forces defenders to declare leverage in a tight window, and it gives you legal motion angles for jet action without ever showing an empty or spread formation tell.
The Gadget tag is earned. Jet Sweep, PA Jet Sweep, and Zone Fake Jet all run off the same motion, so the pre-snap picture is identical whether you are handing it off, faking it and hitting the zone run, or pulling the ball on the play-action. Defenders who user-lock the motion man leave a vacated flat or an overpursuing linebacker, and that is where Close PA Cross and Close Y Seam cash in. Because you are in 12 personnel, the defense usually answers with base or big nickel, which means one of your tight ends is being covered by a linebacker or a third safety rather than a true coverage corner.
That is the matchup you hunt. Close Y Seam isolates the tight end up the hash against zone drops, while Bench and Stick attack leverage on the outside with the compressed splits giving your receivers extra field to work into. The run game is complete on its own: HB Zone Wk, HB Stretch, and HB Toss all get horizontal, and the tight ends at the line give you real down blocks and combo blocks instead of the finesse blocking you get from spread sets. That balance is why Ace Close functions as a full offense rather than a situational package.
Read the box pre-snap. If the defense stays in base with two linebackers stacked inside, lean on Jet Sweep and HB Stretch to attack the edge before they widen. If they slide out to big nickel, go back inside with HB Zone Wk.
Establish Jet Sweep early so the motion carries weight, then run Zone Fake Jet and PA Jet Sweep off the same look once your opponent starts user-controlling a defender to chase the motion.
Against single high shells use Close Y Seam and hot route the second tight end on a drag or corner to create a high low read that stresses the middle of the field defender.
On third and medium go to Stick or Bench and check the leverage of the corner. If he is playing outside and off, the stick sits down clean underneath. If he is pressed, hot route to a slant instead.
If your opponent blitzes heavily off the edge, motion the jet man to the pressure side or block the tight end to that side, and audible into HB Toss away from the overload to hit the vacated space.