Playbooks

Y-Drag out of Shotgun Trey Open (11 personnel) sends the Y (tight end) on a drag route across the formation from right to left, sitting underneath as the primary shallow crosser. The trips side runs a deep crossing route that clears out over the top along with a corner route breaking outside, while the backside single receiver runs a vertical release up the numbers. The back releases into the flat as a checkdown, giving the quarterback a full-field flood concept that stresses zone defenders horizontally and man defenders with the drag's natural rub potential; the primary read starts with the Y drag underneath, then works to the deep crossers if a linebacker or safety widens to take away the shallow route.
Pre-snap, check safety depth and leverage; a single-high safety cheating toward the trips side signals man coverage and opens up the drag against a trailing defender. Watch the middle linebacker's initial drop; if he sinks deep to take away the drag, the underneath void disappears and you should progress to the flat or vertical route. Post-snap, identify any user-controlled defender sitting in the shallow zone or lurking near the drag's path, since a smart user will jump this route immediately in zone coverage. Cover 2 shells with corners playing outside leverage struggle to match the drag once it crosses the formation, especially if the safeties are occupied by the deep crossers. This play is vulnerable to zone blitzes that bring extra pressure while dropping a linebacker into the shallow drag lane, so check protection or hot route the back into a quick release if you see overload blitz alignments.
Use this play on second or third and medium when defenses expect a quick game or draw and are sitting in zone coverage underneath.
Pre-snap, identify if the defense is showing two-high or single-high safety; the drag hits hardest against single-high man coverage since the trips side traffic creates natural picks for the Y crossing the formation.
If the defense shows Cover 3 or Cover 4 with deep zone drops, look to hit the drag in the void before linebackers can sink and wall it off.
Hot route the backside vertical receiver into a comeback or hitch versus soft corner alignment to give yourself a quick outlet if the drag is taken away.
Pair this play with Quick Slants or Curls from the same set to keep defenders honest on underneath zones, then come back to Y-Drag once linebackers start jumping short routes.
Against aggressive blitz looks, use the back's flat release as a hot route answer since the drag takes time to develop across the formation.