If you coach football at any level—youth, high school, or college—and you’re looking for a simple, versatile way to generate pressure while staying in a rock-solid 3-deep, 3-under zone coverage, this free lesson is exactly what you need.

In the video below, John Loose breaks down 3 deep 3 under zone pressures with real techniques, on-field explanations, and a ton of practical pressure ideas you can install right away—whether you run a 3-down or 4-down front.

Watch the full video lesson here for the live drawings, diagrams, and exact teaching cues. The article gives you a clean, readable breakdown you can study, print, or share with your staff, while the video brings everything to life.

Why 3 Deep 3 Under Zone Pressures Work So Well

You rush five defenders but keep the classic 3-deep, 3-under zone shell. The beauty is simplicity: no matter which five players you send, the coverage language stays the same—skiff players, middle hook, and third defenders. That keeps teaching fast, and mistakes are rare.

The system attacks both run and pass because the coverage rules are consistent, easy to disguise, and work against almost any protection or formation.

Core Coverage Techniques (The Foundation)

Everything starts with the same three coverage players, regardless of the pressure.

Skiff Players (Seam-to-Curl-to-Flat)

These are your two outside under defenders. You have three options for how aggressive you want them:

1. Match-carry-deliver on #2 – Collision #2 vertical and carry with QB vision until a #3 or crosser takes you flat (best at higher levels).

2. Pure landmark QB vision – Drop to 8-10 yards and stay glued to the quarterback (great for lower levels where the ball comes out fast).

3. Seam-first approach (the recommended method) – Stay on the seam as long as possible. Let the quarterback or receiver pull you to the flat. Reroute with your body or outside hand only—never turn your shoulders away from the QB.

Always know your side of three (the side with the #3 receiver). You’ll get more help from the mike on that side and need tighter inside leverage on the side of two.

Third Defenders (Outside Thirds)

On the two-receiver side, play a true third with heavy QB vision. If a receiver eliminates himself, you can immediately turn it into MOD (man-on-deep) and ride the vertical threat. On the single-receiver side, you can press right away and play MOD from the snap.

The rule is simple: play inside-out. On run plays, become the 1-2 defender and force everything back to the middle.

Middle Hook / Middle Third Defender

Work off the #3 receiver (“initial three to final three”). In 3×1 sets, favor the field or the side with the most vertical threats. Once #3 commits, split the goalposts with QB vision. On run plays, fill the alley with an inside shoulder—never let the ball cross your face.

Practical Pressure Ideas You Can Install Immediately

The video walks through these with diagrams, but here are the most effective ones broken down clearly:

America’s Zone Blitz (The Classic)

Long-stick the edge, spill the backer, and drop the rush end into a skiff role. The strong safety comes down as the second skiff player, while the free safety works to middle third. Extremely simple and effective against most protections.

Hot Field or Boundary Blitzes

Bring one linebacker off the edge and tag it “Fire” (field side) or “Burn/Blaze” (boundary). You can flip the contain and spill paths or switch strong/weak sides. One call, same coverage.

Two-Linebacker Pressures

Drop the safeties to skiff based on passing strength and keep the inside linebacker as the hook player. Simple college-name tags (Fresno = free safety is skiff, Florida = free safety is middle hook, Stanford = strong safety is skiff) keep everyone on the same page even when you mix looks.

4-Down Front Pressures (No Dropping Pass Rushers)

Bring the Will off the edge or send Mike and Will together on a “Trailer” blitz. You can even send the nose vertical to create 2-on-1 advantages in the A-gap on pass reads. All four down linemen stay rushing.

Safety & Corner Blitzes

Corners and safeties can join the party with track stunts, long-stick, or gap-read blitzes (“Shadow” blitz is a favorite). The coverage still drops into the same 3-deep, 3-under shell.

Advanced Stunts (“Follow,” “X,” “Trailer”)

These include free-safety “follow” blitzes through open gaps, X-stunts with slam-and-loop, and vertical nose techniques that create deadly 2-on-1s. The combinations feel almost endless, yet the coverage rules never change.

Teaching & Installation Tips

Start with the coverage rules first, then layer in one pressure per week. Use the college-name tags so your safeties always know their drop. Drill “initial three to final three” daily so the middle defender flows correctly on boots and sprint-outs. On run plays, every skiff player must tackle with the inside foot up and play inside-out. Disguise is free—flat-foot the middle safety to sell run-pass and get out late.

Who This System Is Perfect For

It fits 3-down or 4-down teams, coaches who want maximum pressure with minimal coverage teaching, programs that love disguise, and anyone trying to attack specific run surfaces or protections without overcomplicating things.

Next Steps for Your Defense

Watch the full video (embedded above) and draw the pressures with your staff. Install the base skiff and third techniques in individual periods, then add one pressure per week—starting with America’s Zone Blitz. Use the tagging system so nothing breaks down in the heat of the game.

This 3-deep, 3-under zone pressure package gives you an endless menu of looks while keeping your coverage simple and sound. It’s exactly what coaches at every level are looking for when they want to pressure without sacrificing their zone shell.

More Free Lessons:

Brad Aoki - Two-Minute Drill for QB