Playbooks

Bench Z Spot out of Shotgun Tight Open (11 personnel) is a classic Spot concept married to a bench route on the backside. On the near side, the outside receiver runs a corner route (red) while the inside slot works a quick hitch to the flat, creating a high-low read on that side of the field. To the backside, the two receivers stack a deep out and a shallow crossing route underneath, giving the quarterback a full-field zone beater built around the Cover 3 rotation. This is a pure dropback pass with no play-action or RPO elements, and the primary progression starts with the corner-flat combo before working back to the backside bench/out routes if the flat defender squats.
Pre-snap, check safety depth: if both safeties are deep at 10-12 yards it signals Cover 2 or Cover 4, which invites a sight adjustment on the corner route to a comeback. Watch the flat defender at the snap. In Cover 3 he will sink to take away the corner route, opening the underneath flat throw, while in Cover 2 he will jump the flat and take that away first. Track the middle linebacker or nickel defender on the shallow crossing route since a spy or hook defender sitting in that window can jump the crossing route for a big hit or pick. User-controlled defenders lurking in the flat or curl area are the biggest threat to this concept, so if you see a user jump the flat route pre-snap, reset your first read to the backside out or bench route. This play is vulnerable to disguised zone blitzes since the quarterback has to hold the ball through his progression, so watch for late linebacker creep or a rotating safety showing blitz before the snap.
Attack Cover 3 shells first since this concept is tagged as a Cover 3 beater and the corner route stretches the deep third defender while the flat route occupies the curl-flat player underneath.
Read the flat defender immediately after the snap: if he sinks with the corner route, throw the quick flat sit route for an easy completion before pressure arrives.
Use hot routes to convert the backside out route into a comeback against aggressive corners playing off coverage in Cover 2 or Cover 4 shells.
Call this on second and medium to third and short so the flat and shallow crossing routes give you a high floor conversion option even if the deep shots are covered.
Pair this with Bench Dig Pivot or Z Spot Dig from the same set to keep the defense guessing between the corner-flat stretch and inside breaking routes off identical formation and motion.