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Flanker Drive is a five-man pass concept out of Singleback Doubles that puts a drive concept on the strong side while stretching the field vertically with two outside routes. The two X/Y receivers on the left run vertical routes (a go and a deep in-breaker) to clear space and hold the safeties, while the flanker runs the drive route underneath, crossing the formation on a shallow in-breaking path. On the right side the TE runs a corner route while the RB releases into the flat, giving the QB a two-level high-low read against zone drops. This is a zone beater built to attack Cover 3 and Cover 4 shells, with the primary read progression starting at the drive route working across the middle, then moving to the flat route, and finally the corner route as a hot alternative if the linebackers sink into the drive window.
Watch for linebackers sitting in the middle hook zones since they are the primary threat to the drive route and will trigger a user pick if the QB stares it down too long. Identify the cornerback leverage on the flanker at the snap, off coverage corners will allow the drive route to develop cleanly while press corners can jam and disrupt the timing. Key the strong safety's depth before the snap, if he is walked up near the line it likely signals man coverage or a blitz, which favors the flat route and corner route over the drive. Post-snap, track any user-controlled defender dropping into the shallow crossing lane since that is the most common way defenses take away the drive route in competitive play. This concept struggles against aggressive man press coverage with underneath robber help, so avoid calling it into Cover 1 or Cover 0 looks unless you plan to hot route the drive into a quick option or slant.
Pre-snap, check the safety alignment before the snap because two deep safeties signal Cover 4 or Cover 2 and this concept thrives against those shells due to the horizontal stretch on the drive route.
If the defense shows Cover 3 with a single high safety, look to hot route the flanker's drive route into a deeper crosser or speed it up so it clears the underneath hook defenders faster.
Use the RB flat route as your check down against any blitz look, especially double A gap pressure, since the drive concept naturally gives the QB a quick outlet.
Pair this play with Flanker Drag or Flanker Dig from the same set to keep the defense guessing on which route the flanker will run, forcing linebackers to hesitate on their drops.
Best called on second and medium or third and short to medium since the drive route sits in the intermediate zone and can pick up first downs against zone coverage without needing a deep shot.