Playbooks

The 1-3-7 set is the most pass-heavy look in the Quarter formation, using the Big Quarter 1-3-7 personnel package: a single down lineman, three linebackers, and seven defensive backs on the field. Other Quarter sets keep more bodies in the box. This one trades nearly all of its run-stopping mass for coverage defenders, so you can match 4 and 5 wide receiver sets with true DBs instead of asking linebackers to carry slot receivers or tight ends up the seam. The three linebackers act as hybrid pieces: edge rushers, spies, or underground droppers, depending on the call.
The play list covers a lot of ground from one alignment. Cover 4 Drop and Fz 2 Deep take away deep shots. Cover 3 Mable, 3 Double Mable, and 3 DBL Mable Cloud combine man and zone rules to handle trips and bunch. Fire zones like Fz 3 Sky, Under Smoke, and Overload 3 Seam, plus the DB Strike 1 pressure, create pressure out of a shell that looks like pure coverage. Cover 1 Thief, Man Up 3 Deep, and Man Up 3 Deep KO let you press and trail slot receivers with actual corners and safeties, which removes the linebacker-on-receiver mismatches offenses hunt for in empty and 10 personnel.
The spy variants (Cover 2 Spy, Cover 3 Spy, Cover 2 Man Spy) make this set especially useful against mobile quarterbacks. One of the three linebackers mirrors the QB while the seven DBs blanket the route tree. Offenses that isolate a top receiver on a linebacker or a slow safety lose that advantage here, because every eligible target is likely matched by a cover player with comparable speed and man coverage ratings.
Call this set on 3rd and 7 or longer, and in end-of-half two-minute drills, when the offense has to throw past the sticks and a light box costs you little.
Match it against empty, trips, and 10 or 11 personnel with a slot tight end, then use Cover 3 Mable or 3 Double Mable to pattern match the passing strength instead of guessing with a basic zone.
Against mobile quarterbacks, choose Cover 2 Spy, Cover 3 Spy, or Cover 2 Man Spy and user a safety or robber over the middle to erase the dig and crosser windows while the spy handles the scramble lane.
Show the same shell and alternate between Cover 4 Drop and Fz 3 Sky or Under Smoke, so the offense cannot use your pre-snap alignment to decide between hot routes and a deep shot.
If the opponent substitutes heavy personnel or motions a running back into the backfield on short yardage, check out of this set or shift the linebackers down immediately, because the one-lineman front cannot hold the point of attack.











