Playbooks

Y Lead Read Option is a run play out of Shotgun Bunch with 11 personnel, showing three receivers stacked to one side and a single receiver split away. The diagram shows the offensive line blocking straight ahead at the point of attack while the QB reads the play side defensive end on a zone read mesh with the HB, with the TE releasing from the bunch to lead block through the hole. This is a run-first read option concept designed to attack light boxes and force the edge defender to commit, with the primary read being the QB's give or keep decision based on the crashing or containing defensive end.
Watch the play side defensive end pre-snap and post-snap since his reaction to the mesh point determines the entire play, a crashing end means keep, a containing end means give. Stacked or walked-up linebackers over the bunch can be a tell for a run blitz designed to beat this exact concept, so audible to a pass concept if you see extra bodies creep toward the line. Man coverage on the bunch receivers can leave the second level thinner in the run fit, which favors the read option's designed lanes. Watch for a scrape exchange from the linebacker behind the crashing defensive end, since disciplined defenses will use this to take away both the give and the keep. Safety alignment matters here, a single high safety cheating toward the bunch side can signal extra run support that clogs the TE's lead block lane.
Check the box count before the snap and only call this against six or fewer defenders in the box to guarantee a numbers advantage.
Identify if the defensive end is a hard crasher on tape, since this play is built to gash defenders who consistently attack the mesh point.
Use the TE lead block as your visual cue for where the alley opens, and vision the HB run path to cut off the TE's block rather than the diagrammed hole if the defense flows hard.
Pair this with Zona Bunch or PA Divide Wheels from the same Bunch formation to keep defenses honest, since the identical bunch alignment disguises run and pass intentions.
Best called on early downs or short yardage third downs when defenses are more likely to sit in base fronts instead of nickel or dime packages.