Playbooks

HB Smash out of Singleback Wing 12 personnel shows a single route on the diagram: the halfback releasing out of the backfield and running a wheel or vertical route up the seam from the backfield alignment, breaking away from the line at an upfield angle. The two outside receivers are not shown running routes in this crop, indicating they are running a corner or flag route to complete the classic smash concept underneath a shorter route from the slot or tight end. This is a man beater and zone beater combo play designed to attack Cover 2 by stretching the flat defender and safety vertically with the corner route while the HB occupies the underneath defender, and the primary read progression starts with the outside corner route before working down to the HB's route in the flat or seam if the corner is taken away.
Pre-snap, identify two deep safeties split evenly which confirms the Cover 2 shell this play is designed to exploit, then watch cornerback depth at the snap to see if he sinks with the corner route or jumps the underneath threat. Post-snap, key the flat defender or nickel defender responsible for the smash flat zone since he has to choose between the HB route and the shorter route, and any hesitation opens a throwing window. Watch for user-controlled safeties lurking over the top on the corner route, as a skilled user defender can undercut or drive on that throw if the quarterback holds it too long. Man coverage with inside linebacker leverage on the HB signals a favorable matchup since the back should win outside on a flat or wheel conversion. Disguised Cover 3 or Cover 4 shells with the corner sitting on the flat can jump the smash route combo early, so if the corner does not respect vertical speed, expect this play to be shut down and check to a run alert or audible instead.
Check pre-snap for two deep safeties since this play is specifically labeled a Cover 2 beater and thrives when the corner route can climb over the underneath zone defender before the safety can rotate over the top. Use hot routes to adjust the HB route into a flat route if you diagnose man coverage with a linebacker matched on the back, giving you an easy conversion throw. Call this on early down and distance situations, second and long or first and ten, when defenses are more likely to sit in a two high shell rather than bring pressure. Pair HB Smash with Curl Combo or Z Spot from this same set to keep the defense guessing between vertical shots and quick game concepts out of the identical Wing personnel look. If the defense shows Cover 2 on tape, prioritize the corner route on the first read since the smash concept is built to beat the flat defender and cornerback bracket every time.