Playbooks
Quick Reference
Breakdown
45 Quick Base is a designed dive run out of Shotgun Doubles with 11 personnel. The diagram shows the offensive line blocking straight ahead at the point of attack while the HB takes a direct handoff and hits the interior gap immediately behind the center or guard. This is a downhill run play, not a play-action or RPO look, designed to attack a light box before defenders can flow and fill gaps. The primary read is simply the initial gap defined by the blocking scheme, and the runner adjusts to the first crease that opens rather than reading any route combination.
Defensive Reads
Pre-snap, check linebacker depth and alignment since stacked or blitzing linebackers crashing downhill will blow this play up before the runner can get vertical. Look at defensive tackle alignment, a 3-technique or double 1-technique clogging the interior gaps forces the runner to bounce and kills the design. Post-snap, key on any user-controlled linebacker flowing hard to the mesh point, as a spy or lurk defender sitting in the box neutralizes the dive instantly. This play struggles against nano blitzes that shoot interior gaps pre-snap, so avoid calling it if you see a heavy interior blitz look forming. Zone or man coverage behind the line does not matter much since this is strictly a downhill run, so focus entirely on box count and front alignment rather than the secondary shell.
Usage Tips
Call this play when the defense shows a light box with six or fewer men in the tackle area, since the dive concept dies against stacked fronts. Use pre-snap motion or a quick glance at linebacker depth to confirm they are not creeping toward the line in anticipation of run. This play pairs well with RPO Peek Slant and RPO Zone Peek from the same set because the defense has to respect the interior run threat, which opens up the perimeter passing game off similar formation tendencies. Mix in Inside Zone and Inside Zone Read Opt on early downs to keep defenders honest before dialing up 45 Quick Base as a change of pace so linebackers cannot sit on one run fit. Best used on first and second down in short yardage or when you have identified a defense that is overcommitting to pass coverage shells and leaving light fronts.
