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Quick Reference
Not in any team playbook.
Breakdown
SFT HB Zone Wk is an inside zone run out of the Maryland I formation in the Close set, run from 12 personnel with a shift (SFT) that adjusts the fullback and tight end alignment before the snap. The diagram shows the offensive line blocking down in unison with the fullback leading through the hole while the running back takes a weak side zone path, reading the blocking flow from the play side gap and working back across the formation if the initial lane closes. This is a downhill run play designed to attack gap defenses and light boxes, not a play-action or RPO look, with the primary read being the play side double team and fullback lead block before bouncing weak if the alley gets clogged.
Defensive Reads
Watch for linebackers keying the fullback pre-snap, if they flow hard downhill to the strength immediately the back should cut back weak against the grain. Identify whether the defense is in a gap scheme front with penetrating defensive tackles, since those alignments can blow up the zone blocking before double teams form. Look for user-controlled defenders sitting in the weak side alley, as this play design funnels the ball carrier directly into that area on the cutback. Check if the defense stacks the box with eight defenders after seeing the shift motion, that alignment is the biggest counter to this run and signals it should be abandoned for a pass play. Post-snap, track linebacker depth at the snap, shallow linebackers who fill fast can be washed out by the double team, but linebackers sitting deep will limit the cutback lane.
Usage Tips
Use SFT HB Zone Wk on early downs when the defense shows a light box with six or fewer defenders inside the tackles to guarantee a numbers advantage at the point of attack.
Check safety depth and linebacker alignment pre-snap, if the strong safety is cheating toward the shift motion, bounce the run weak immediately since the play design already flows that direction.
Pair this play with Duo and HB Lead Dive in your play-calling sequence to keep the defense guessing between zone, gap, and lead concepts out of the same Maryland I look.
Mix in PA Boot or Sft Mtn PA Sprint HB Flat after establishing this run to punish linebackers who start creeping up in run support.
Avoid calling this against heavy blitz packages with extra defenders stacked in the box, since the zone blocking scheme needs clean double teams to spring the back.
