Playbooks

Read Option out of Shotgun Split Offset is a pure zone run play built off inside zone blocking with a true read option element for the quarterback. The offensive line steps in unison to the play side while the QB reads the edge defender to decide between handing off on the zone track or pulling and attacking the alley himself. There are no routes shown in this diagram, confirming this is a run-first play designed to stress edge discipline rather than a pass or RPO concept, with the primary read being the QB's mesh point decision on the unblocked edge defender.
Watch the edge defender or defensive end pre-snap, since a crashing DE signals the QB will likely pull and bounce outside. Key the play side linebacker's depth, if he is sitting shallow and square he can beat you to the mesh point and blow up both options. Look for a user-controlled defender spying the QB, this take-away removes the pull read entirely and forces the give every time. Check safety alignment before the snap, a single high safety cheating down into the box shows run support that can close the alley quickly. Against odd fronts with a true 3-technique and wide 9, the natural gap conflict on the edge is exactly what this play is designed to exploit.
Use Read Option on early downs in run-heavy sequences to keep the defense honest against your play-action shots from the same Split Offset formation.
Pre-snap, identify if the defense has a true 4-down front with a wide 9-technique or edge defender crashing hard, since that dictates whether you should pull or hand off.
If the defense shows a heavy box with 8 or more defenders, hot route your slot receiver into a quick out or hitch to create a numbers advantage in space.
Pair this play with Mtn Triple Option Rt and Triple Option Lt in the same set to keep the defense guessing between two-way and three-way run reads.
Best used on 1st and 2nd down inside the tackle box where the QB run threat forces linebackers to hesitate before filling gaps.