Playbooks

Gap Press is a run-stop front out of the Bear 46 formation designed to plug interior gaps and win the line of scrimmage immediately after the snap. The diagram shows all five down linemen and second-level defenders (four squares and two circles) firing downhill at hard angles toward the LOS, with three deep zone drops (X icons) sitting behind to protect against play-action or backside cutbacks. This is not a coverage-driven play, it is a gap-control run defense with the primary read being the ball carrier's initial direction so the front seven can flow and fill immediately.
Read the offensive line splits and backfield alignment pre-snap, since Gap Press is built to stop inside zone, power, and dive concepts between the tackles. Watch for pulling guards or lead blockers, as Gap Press wants defenders shooting gaps before blockers can climb to the second level. This front is exposed to play-action rollouts and boot passes because the linebackers and defensive line are selling out on the run fake. Check the deep safeties and outside zone drops before the snap, since only three defenders are protecting against a pass, making this vulnerable to any four-plus receiver route concept. Post-snap, monitor whether the running back bounces outside quickly, since the interior gap defenders may overrun contain and leave the edge exposed.
Call Gap Press in short yardage and goal line situations where you expect a run between the tackles, since the entire front is crashing downhill on the snap.
Use pre-snap motion checks by the offense to confirm run alignment before committing, since this play sacrifices coverage depth for gap integrity.
Pair Gap Press with Cover 1 or Cover 3 in your play-calling sequence so offenses cannot key on your run defense by formation alone.
Avoid calling this on clear passing downs, since the aggressive downhill angles leave you vulnerable to quick game and play-action rollouts if the offense throws.
User the middle linebacker to scrape over the top and clean up cutback lanes, since the design commits most defenders to their initial gap immediately.