Description

Brent Dearmon, Head Coach, North Alabama

This video segment is from 20 & 21 Personnel Run Pass Options: How to ID Defensive Run Fitters & C-Gap RPOs on Glazier Drive

Summary

Basic Gap Defense Structure

• 4-2 defense (six players) handling C-gap to C-gap coverage
• Defensive ends serve as C-gap defenders
• D-gap responsibilities fall to apex players (SAM linebacker, nickel Sam, boundary safety/Rover)

Robber Coverage

• Appears as single-high safety but functions differently
• 4-2 box structure with C-gap defenders (defensive ends)
• Free safety reads the tackle and inserts from distance as a D-gap fitter
• Designed to stop intermediate RPO plays
• Creates vulnerability to vertical passing concepts

Split Field Coverage

• Field is cut in half for quarterbacks to read
• "Robber" coverage to the field side
• Cover-2 to the boundary side
• Creates confusion as each half operates independently
• Requires offensive adjustment with vertical routes or split adjustments

Double Robber/Mini Coverage

• West Georgia example with 4-man front but only one linebacker
• Creates illusion of light box
• Both safeties play inside roles similar to outside linebackers
• Defense creates 4-3 fit using safeties
• Tailback alignment influences defensive safety fits

Complex Coverage Variations

• Southern Utah example showing two-safety shell that transforms
• "Double invert" with corners playing inverted halves
• Cannot simply teach quarterbacks to read one specific defender
• Different looks require systematic offensive solutions

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