CoverageBest for: Base down
Cover 4 Quarters
Four-deep zone dividing the deep field into quarters for pass-heavy downs.
Concept: Corners and safeties each defend a deep quarter and read run-pass keys to trigger downhill on run.
Base alignment — schematic, not to scale
Every position's job
Defensive Ends
Rush and keep the edge.
Defensive Tackles
Rush the B-gaps.
Inside LBs
Read run-pass, fill on run or wall the middle on pass.
Outside LBs
Cover the flat/curl and support the edge.
Corners
Play the deep outside quarter, match the number-one receiver's vertical.
Safety
Each safety plays a deep inside quarter and triggers on run.
How to teach it
- 1Quarters lets safeties help vs the run when they read run.
- 2Corners match vertical routes deep.
- 3Read run-pass keys quickly.
Common mistakes to fix
- !Safety triggers on a play-action fake and gives up the deep ball (fix: read the offensive line's high hats before triggering).
- !Corners jump underneath routes and get beaten deep (fix: stay over the top of number one).
Build this into your call sheet.
Adopt this system in your coach portal, tag plays by situation, and print call sheets and player wristbands.