Playbooks

RPO Alert Bubble out of Pistol Doubles gives the quarterback a true run-pass conflict read tied to the play side alignment. The backside receiver runs a shallow crossing route working underneath from the numbers toward the middle of the field, while the outside receiver on the RPO side sits at the line as the bubble screen alert and the running back takes the give read on an inside zone track behind the offensive line's zone blocking scheme. The primary read progression starts with the numbers of defenders in the box: if the alert defender crashes down or a linebacker widens to the bubble, hand it off on the zone run, and if the box stays light or that flat defender sinks with the run action, pull and throw the bubble screen or work the shallow crosser as a man beater against trailing coverage.
Watch for an overhang defender or slot corner sitting at a hard outside angle pre-snap, which signals the defense is prepared to jump the bubble screen. If the linebacker to the play side stays square in the box and does not widen, expect the offense to hand it off on the zone run since the numbers favor the run fit. Zone coverage shells with a flat defender sinking on the snap will take away the bubble throw, forcing the quarterback into the handoff or the shallow crosser. Man coverage that has a defender trailing the shallow crosser without help underneath is vulnerable, so lurking linebackers need to sit in that crossing lane to disrupt the throw. Blitzes that send the alert defender straight upfield without accounting for the bubble receiver get exposed immediately, so disciplined edge players must stay attached to the flat before committing to the rush.
Count the box pre-snap and identify whether the defense has a light box (6 or fewer) before the snap, since that dictates whether you should be run heavy or pass heavy on this play.
Key the alert defender, usually the slot corner or overhang linebacker, immediately after the snap to decide between the bubble throw and the handoff.
Use the shallow crosser as your answer versus man coverage when the defense rotates hard to stop the bubble screen, since it clears space behind the flow.
Call this on early downs in first and second and short to medium situations where defenses often sell out on the run, making the bubble RPO an explosive answer.
Pair this with Read Option and Jet Inside Zone from the same set to keep linebackers guessing on run fits, then mix in RPO Zone Alert Bubble to attack the same conflict defender with a different run scheme.