Playbooks

Return RPO Alert Flat is a run pass option out of Shotgun Y Off Trips with 11 personnel that pairs an inside zone run look with a pre-snap read on the perimeter. The diagram shows motion coming across the backfield with the flat route breaking underneath, a short out breaking route sitting in the middle of the field, and a deeper out breaking route running from the slot to the boundary along the same horizontal plane. The offensive line shows a zone blocking scheme with the running back mesh point on the run side, giving the quarterback the option to hand off or pull and read the flat defender for the pass alert. Primary read progression starts with the run box count, then the quarterback keys the flat defender: if he squeezes down on the run fit, throw the flat or out route behind him, if he sits on the flat, give the run.
Identify the flat defender pre-snap, usually a slot corner or overhang linebacker, since his run fit versus pass drop decides the entire RPO read. Watch for Cover 3 or Cover 4 shells with aggressive linebacker run fits, this is where the flat and out combo hurts defenses most because the underneath defender has to choose. Man coverage with press corners can shut this down quickly if the user controls the flat defender and sits on the shallow route, forcing the quarterback to work the deeper out route instead. Look for a blitzing linebacker crashing downhill immediately after the snap, since that confirms the run key was correct and the quarterback should have already pulled the ball for the pass option. Beware two high safety shells that roll a safety down late, this can disguise the flat defender's true assignment and bait a bad RPO decision if you read too fast.
Use pre-snap motion to identify if the defense shifts a linebacker or defensive back, which tells you whether the box is light enough to give the run key.
Count defenders in the box before the snap, if there are six or fewer in the box against 11 personnel, favor pulling and reading the RPO route instead of forcing the handoff.
Hot route the deep out to a stick or speed out against man coverage corners playing outside leverage, since the natural out breaking route can get squeezed on the sideline.
Pair this call with Inside Zone and RPO Read Y Flat earlier in a series so the defense has to respect the run fit, then come back to Return RPO Alert Flat to punish overaggressive linebackers flowing to the run action.
Best used on second and short or first and ten, since the built in run option keeps you on schedule while still carrying explosive play potential if the flat defender bites on run action.



















































