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Quick Reference
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Breakdown
HB Trap out of Singleback Trips Open is a power run play that uses a delayed trap block to sucker interior defenders upfield before pulling a guard or blocker across the formation to smash the first defender who crosses the line. This is a pure run play, not a play-action or RPO, and it relies on the defense over-pursuing gaps rather than beating a specific coverage shell. The primary read progression for the ball carrier is to press the initial trap hole, then bounce off the pulling blocker's kick-out block if the interior gap gets clogged by a linebacker filling downhill.
Defensive Reads
Diagnose the defensive front pre-snap: a 4-3 or 3-4 with defensive tackles shading inside gaps sets up perfectly for the trap block to work. Key the middle linebacker's depth and lean, since a downhill linebacker who reads the trap late gets kicked out and opens the cutback lane. Watch for user-controlled defenders spying the backfield or sitting in the A-gap, as a disciplined user defender can blow up the trap before the puller arrives. This play struggles against gap-sound defenses and heavy run blitzes where extra defenders crash the mesh point immediately after the snap. Look for safeties creeping into the box pre-snap, since an eighth man in the run fit forces the ball carrier to bounce outside the design instead of hitting the trap lane cleanly.
Usage Tips
Call this on early downs like first and ten or second and short when the defense is base personnel and not stacking the box with extra defenders.
Watch pre-snap for aggressive defensive tackles or linebackers who key on the mesh point, since HB Trap punishes penetrating fronts that shoot gaps instead of reading blocks.
Pair HB Trap with HB Dive and Wide Zone in the same drive to keep linebackers guessing on flow direction, then hit HB Draw once they start crashing hard on run fakes.
If the defense shows a heavy blitz look pre-snap, consider hot routing the trips receivers into quick hitches or checking to 0 1 Trap for a similar concept with a different angle.
Use manual motion or user control on the pulling blocker at the mesh point to seal the first unblocked defender rather than relying on the CPU logic, especially against nano blitz packages.
