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Shut Down Heavy Personnel in Your 3-4 With These Simple Adjustments

March 13, 2026 by

Rodney Flowers, Defensive Coordinator, Bixby HS, OK

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A summary of the transcript is available below the video.

OVERVIEW

This is a clinic presentation by a defensive coordinator discussing how to defend heavy offensive formations that use extra offensive linemen (5-6 OL sets), tackle-over looks, and various “trips” and “wing twins” formations.

ADJUSTING THE FRONT TO EXTRA LINEMAN LOOKS

The coach outlines three primary ways his defense responds to these formations: slanting the front, checking a 5-technique to the extra lineman side (a “54 front” — five shade, four technique), and sliding the entire front to restore their base alignment. The goal in all cases is to get back to a sound, familiar structure while accounting for the overload.

USING DEFENSIVE LINEMEN AS “PAWNS”

He emphasizes that his D-linemen aren’t always expected to win one-on-one — sometimes their job is to absorb double teams and force combo blocks to break down, creating opportunities for inside linebackers to flow freely and make plays.

RUN FITTING WITH ALL NINE IN THE BOX

Against heavy, physical offensive lines, the defense brings all nine box defenders into the run fit, including corners. Safeties and DBs must be disciplined run-fitters. The last safety acts as the “last hope,” reading keys patiently before inserting into the fit.

FILM EXAMPLES AND KEY TAKEAWAYS

The coach walks through several film clips illustrating these concepts, including a championship game situation where they had to balance man coverage on skilled outside receivers while managing box numbers. He notes that offenses using extra linemen often try to bait defenses into over-adjusting to one side, then attack back the other way — making disciplined front adjustments critical.

Filed Under: Defense

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