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Smash Corners is a two-high beater built off double corner routes stacked on both sides of the formation. To the left, the outside receiver runs a corner route while the slot receiver runs a quick flat/out underneath to hold the corner defender, creating a high-low smash concept. To the right, the TE or slot runs a corner route while the outside receiver runs a deep corner as well, stacking two corners on that side to overload a single deflector, with the inside slot receiver on that side running a quick out to occupy underneath defenders. This is a pure dropback pass with no play-action or RPO element, and it is primarily a Cover 2 and zone beater since it stresses the deep outside quarter with two high-low corner reads on each side.
Pre-snap, identify whether the safeties are showing two-high or rotating to one-high, since Cover 2 and Cover 4 shells are the primary target for this concept. Key the flat defender or underneath zone defender on the side you intend to attack, if he sinks with the corner route instead of staying flat, the smash window opens for the deep throw. Watch for user-controlled safeties sprinting to double the corner route, if the defense shows this rotation pre-snap, switch your first read to the opposite side's corner combo. Against Cover 3 or single-high looks, the deep corner routes into the flat zone will be contested by the corner defender sinking deep, so expect the underneath outs to be the higher percentage completion. Recognize man coverage with a blitz behind it by checking linebacker depth and CB press alignment, since this play lacks a built-in hot route protection adjustment and can be vulnerable to interior pressure before the corners break open.
Diagnose the safety alignment before the snap, this play is designed to punish two-high shells like Cover 2 and Cover 4 where the deep defender cannot cover both corner routes on a side.
Work the boundary side smash concept first if you see a single high safety cheat to the field, since the shorter corner route will win faster against a rotated defense.
Use hot routes to convert the underneath flat or out route into a hitch or drag if you see man coverage with no safety help over the top, giving your quarterback a quicker outlet.
Pair this play with Y Stick or Mesh in your call sheet to keep the defense guessing between quick underneath throws and the deep corner shots, forcing linebackers to respect multiple route depths.
Best used on second and long or third and medium situations where defenses are more likely to sit in zone shells, since blitz-heavy man coverage can take away the corner windows before they develop.