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Quick Reference
In 1 playbook
Breakdown
RPO Read Y Flat out of Shotgun Y Trips Offset is a true run-pass option built off an inside run scheme with the offensive line blocking down at the point of attack. The read key is the flat defender: the Y (TE) releases outside to the flat while the QB reads that defender to decide between handing the ball off or pulling and throwing the quick flat route, with a lone receiver running a deep vertical clear-out route on the backside to occupy the corner. This is a zone beater at its core, designed to punish light boxes and defenders who crash down on the run fake, with the primary read progression going run key first, then flat defender, then throw the flat if he sits or crashes inside.
Defensive Reads
Identify the flat defender's alignment before the snap, if he is a linebacker sitting inside the numbers he is the read key that determines run or pass. Watch for Cover 2 or Cover 3 zone shells with an underneath defender flowing to the flat, since sitting at the correct depth on the flat route takes away the easy RPO throw. Man coverage on the backside vertical route can bait the QB into a low-percentage throw if the safety help is disguised, so account for late safety rotation post-snap. Crashing linebackers or a hard edge blitz can blow up the run read, but a well-timed pull and throw to the flat punishes overaggressive box defenders. User-controlled defenders who jump the flat route too early open up the run lane behind them, so respect the run fake if the flat defender bites hard on the pass key.
Usage Tips
Check the box count before the snap and if you see six or fewer defenders in the box, lean run and let the RPO logic play out naturally.
Watch the flat defender's depth pre-snap, if he is sitting in a shallow zone or cheating toward the run fit, pull and throw the Y flat immediately for an easy conversion.
Use this play on early downs in normal personnel situations to stay ahead of the chains, since the flat route is a low-risk, high-floor option against zone shells.
Pair this call with RPO Bubble Y Pop and RPO Glance Post from the same set to keep defenders honest, since all three plays start with the same run action but attack different leverage points.
Against aggressive user linebackers who key the mesh point, snap the ball quickly and trust the flat throw before the defender can close the window.
