Playbooks
Quick Reference
Breakdown
HB Dive out of Strong I Close (21 personnel) is a straight downhill run play designed to hit the interior gap behind the fullback lead block. The diagram shows the FB leading through the hole with the HB taking a quick handoff and pressing directly north-south behind the center and guard, while both outside WRs are stationary decoys running vertical routes that hold the corners deep. This is a pure gap run play, not a man or zone beater in the passing sense, and the primary read is one-cut: the HB reads the FB's lead block and the interior line surge, then explodes through whichever gap opens up between the guards.
Defensive Reads
Key the alignment of the Mike linebacker pre-snap: if he is stacked directly over the center or crashing downhill fast, this play gets stuffed at the line. Watch for a stacked run front or eight-man box, which is the primary counter to HB Dive and forces you to check into a perimeter run or play-action instead. Post-snap, identify if the defensive line is getting immediate penetration into the A or B gaps, since that is the biggest sign the interior blocking scheme is losing and the HB has no cutback room. If the defense shows Cover 1 or Cover 3 with safeties staying deep and linebackers reading run first, the box will be light enough for this dive to consistently gain positive yardage. User a linebacker to shoot the gap the FB is blocking to blow this play up before the HB can get to the line of scrimmage.
Usage Tips
Use HB Dive on early downs against defenses showing light boxes or six-man fronts to punish teams overcommitting to outside run defense.
Watch pre-snap for linebacker depth: if the Mike and Will are sitting shallow near the line, the dive lane will be clogged, so consider audibling to HB Dive Weak or Counter Weak instead.
Pair HB Dive with FB Dive in the same drive to condition the defense to bite on interior run action, then hit them with PA Sprint HB Flat or PA Deep Cross off the same look for explosive play-action shots.
User the fullback into the second level defender at the point of attack rather than the HB, since the FB lead block dictates the cutback lane and controlling that block manually often springs bigger gains.
Best called on 1st and 2nd down in short yardage or when you need a low-risk clock-killing gain, since the play lacks the explosiveness of Zone Toss or Stretch.
