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Cover 3 Mable

3 Deep, 4 Under (Cloud One Side, Buzz Other)

Cover 3 Mable combines Cloud to one side and Buzz to the other, creating two distinct looks for the offense to diagnose. The cloud corner plays the flat on one side while the safety rotates to the deep third behind him. On the opposite side, a linebacker plays the flat instead of a safety. This asymmetry forces the QB to read two different coverage structures pre-snap and stresses offensive protection rules. Mable is a chess-piece coverage — the defense can adjust which side gets Cloud and which gets Buzz based on the offensive formation.

Defender Responsibilities

Cornerback — Flat (Cloud Side)

Cloud technique — plays the flat on the left side. Reads #2, jams #1, then settles in the flat zone. If #2 goes vertical, sinks to the curl. This CB is a short-zone defender, not a deep third player.

Cornerback — Deep Third (Buzz Side)

Standard deep third technique on the buzz side. Bails at the snap and takes the deep right third. The LB handles the flat on this side.

Free Safety — Deep Left Third (Cloud Rotation)

Rotates to the deep left third behind the cloud CB. Must get to his landmark quickly since the cloud corner is in the flat. Owns everything deep on the cloud side.

Strong Safety — Deep Middle Third

Rotates to the deep middle third. Plays centerfield between the FS (who took the cloud-side deep third) and the CB (who has the buzz-side deep third). Must communicate with both deep defenders on vertical routes.

Will Linebacker — Weak Hook / Curl

Drops to the weak-side hook or curl zone on the cloud side. With the cloud CB handling the flat, the WILL can focus on the curl and hook areas.

Mike Linebacker — Middle Hook

Middle hook zone. The MIKE must be aware of the asymmetric flat coverage — Cloud on one side, Buzz on the other — and adjust his zone responsibility accordingly.

Sam Linebacker — Flat (Buzz Side)

The buzz player on the right side. Expands to the flat and walls #2. This is the Buzz half of the Mable combination — a LB in the flat instead of a safety or CB.

Defensive End — Pass Rush

Defensive Tackle — Pass Rush

Defensive Tackle — Pass Rush

Defensive End — Pass Rush

Vulnerabilities

  • !! Identifying the asymmetry exposes the scheme
  • !! Buzz-side flat routes vs slower LB
  • ! Deep throws behind the cloud CB
  • ! Seam routes between rotated deep thirds

Best Attacks

Pre-snap motion to identify which side is Cloud vs Buzz. Attack the Buzz side with quick throws to the flat against the slower LB. Go deep behind the cloud CB before the safety can rotate.

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