Playbooks
HB Blast is a downhill power run out of the Power I formation, using 32 personnel with a fullback and tight end to create a heavy iso blocking scheme. The fullback leads through the hole to isolate and blast the first defender that shows in the alley, typically a linebacker or safety filling the gap, while the offensive line executes down blocks to seal the interior. This is a straightforward gap-iso run play, not a play-action or RPO look, and the primary read progression is simple: identify the fullback's block on the second level, then decide whether to hit the A-gap immediately or bounce off the fullback's lead block depending on which side the defender is blasted to.
Watch for linebacker depth at the snap, since linebackers sitting shallow at four yards or closer can beat the fullback to the point of attack and blow up the iso block before it develops. Check safety alignment pre-snap, since a single high safety cheating down into the box signals run support that can add a hat to the fullback's assignment and clog the intended running lane. Identify whether the defense is running a nano blitz with a defensive lineman crashing the backfield immediately, since that alignment beats HB Blast before the fullback can even locate his block. Look for user-controlled defenders flying downhill from depth, since aggressive user linebackers can jump the fullback's path and force a negative play if the running back does not read the cutback correctly. This play is shut down hardest by stacked fronts with extra defenders in the box or by disciplined linebackers who stay square and wait rather than shooting gaps.
Run HB Blast against base 4-3 or 3-4 fronts where the linebackers are stacked tight and the box is not overloaded, since the fullback needs a clean lane to identify and blast the first threat. Check pre-snap for eight-man boxes or heavy blitz alignments before the snap, since this play struggles against overloaded fronts with extra defenders crashing downhill. Use manual fullback control if you want to dictate exactly which linebacker gets blasted, especially against defenses that like to run a mike linebacker blitz through the A-gap. Pair this play with PA Power O or Power O in the same set to keep defenders honest, since both plays share the same initial line movement and force linebackers to hesitate on run fits. Best called on short yardage or first and ten situations when you want to establish tempo and set up later play-action shots like PA FB Flat off the same personnel and formation look.