Playbooks

HB Dive Alert Bubble is a run play out of the I Form Slot set with 21 personnel that hands the ball to the HB on a quick interior dive behind the fullback and offensive line, hitting the gap right at the mesh point for a downhill, north-south gain. The alert tag gives the offense a built-in bubble screen option to the slot receiver, who runs a shallow bubble route to the flat as a pre-snap or post-snap outlet if the defense loads the box. The primary read starts with the HB dive itself, but the QB should check the alert first if the defense shows overloaded numbers inside, then bang it to the bubble for a leverage play in space.
Key the slot defender at the snap since a hard inside crash or blitz opens the bubble alert wide open for an easy pitch and catch. Watch linebacker depth before the snap, if they are stacked tight to the line expecting run, the bubble becomes the higher value option. This play struggles against defenses that stay disciplined with an overhang defender staying outside to erase the bubble while still filling run gaps inside. Cover 2 and Cover 3 shells with a flat defender sitting outside can bait the QB into checking the bubble into a jump throw. Aggressive gap-shooting defensive tackles and A-gap blitzes can blow up the dive quickly, so recognize interior pressure pre-snap and lean toward the bubble alert.
Use this play on early downs like first and second and short to medium yardage when you want to stay balanced without tipping pass or run. Check the box count pre-snap and if you see six or more defenders stacked inside, flip to the bubble alert immediately for an easy access throw against light perimeter numbers. Pair this with HB Lead Dive and HB Blast from the same personnel to keep defenses honest on interior run fits since all three look identical at the snap. Watch for safeties creeping down into the box, that is your cue to trigger the bubble instead of handing off. Mix in Jet Sweep and PA Jet Sweep from this set later in a series once the defense starts sitting hard on the dive look.
































