Playbooks
Quick Reference
Breakdown
Cover 6 out of the Odd 4-3 base personnel is a zone coverage shell that splits the field into a quarter-quarter-half shell, giving you a two-deep look to the boundary and a single-high look to the field. Underneath, the diagram shows a curl-flat combo to the strongside with the outside defender sinking into the flat while the inside zone defender curls, a spot drop from the WLB, and a deep drag/spy from the weakside coverage defender crossing the field underneath the deep zones. This is a zone beater designed to take away hi-lo reads on the sideline routes and hard curl breaks while still protecting against verticals, so your primary read progression starts with the flat defender's leverage on the curl-flat side, then works to the deep quarter defenders if the underneath zones get stressed vertically.
Defensive Reads
Pre-snap, identify if the offense is running heavy trips or bunch to the curl-flat side, this concept is designed to be manipulated by three-level stretches so widen your flat defender's landmark before the snap if possible. Watch the running back and tight end releases immediately after the snap, if both release to the same side the underneath zone defenders can get outnumbered in a hi-lo, so be ready to sink your linebacker into the throwing lane rather than staying flat footed. This shell shuts down deep out routes and corner routes to the two-deep side since you have dedicated quarter defenders sitting on top, but it is vulnerable to deep posts and skinny posts attacking the single-high side seam. Key the quarterback's eyes and shoulder turn post-snap, if he opens hard to the two-deep side he is likely progressing through curl-flat reads, jump the route with your user-controlled flat defender to bait the throw. Man beater route combos like drag-wheel or shallow cross concepts exploit the underdefended intermediate middle zone, so spy the running back out of the backfield and be ready to sink a linebacker underneath any crossing route before it develops.
Usage Tips
Check the pre-snap safety alignment before the snap, if you see two safeties split evenly toward the boundary that confirms the quarter-quarter shell and tells you the field side is playing single-high so attack it with vertical shots.
Use this call on early downs or third and medium when you expect the offense to test the boundary with curl and flat combos, since the underneath zone defenders are built to squeeze that exact read.
Hot route your slot defender into a deeper zone drop if you are facing heavy trips or bunch formations that overload the curl-flat side, this prevents easy completions in the soft spot behind the flat defender.
Pair Cover 6 with Cover 3 Sky in your play-calling sequence, since both shells look similar pre-snap but rotate differently, this keeps quarterbacks guessing on which side is single-high versus two-deep.
User the underneath crossing defender manually to jump shallow drag and dig routes, this is the biggest exploit point offenses attack against this coverage and manual control shuts it down.
