Master the Post Dig Route: Tactical Analysis & Play Breakdown
In the landscape of modern football offensive strategy, passing concepts are designed around space manipulation and high-low defender conflict. Among the most effective multi-level passing designs utilized at high school, collegiate, and professional levels is the post dig route concept. By placing defensive backs in vertical and horizontal dilemmas, offensive coordinators use this combination to systematically dismantle modern middle-of-the-field safety coverages.
Standard football route tree showing post and dig breaks. Source: GoRout
Understanding how a post dig route works requires looking into the mechanics of pass route trees, coverage reads, timing structures, and execution techniques. Whether executed as part of a high-volume passing game or as a shot-play counter off play-action pass designs, this concept remains a fundamental passing staple across football systems.
Operational Overview Table
| Attribute | Specification |
|---|---|
| Concept Name | Post Dig Route Combination |
| Primary Targets | Outside Receiver (Post), Slot/Inside Receiver (Dig) |
| Depth Parameters | Post: 12-15 yard stem angling toward goalposts; Dig: 10-12 yard stem cutting 90 degrees inside |
| Key Defensive Conflict | Free Safety or Middle Linebacker in Cover 1, Cover 3, or Quarters |
| Read Progression | Alert Post vs. Single High, Work Dig to Checkdown vs. Two High |
| Preferred Field Position | Hash-to-hash or ball placed on far hash with wide field access |
| Analytical Reference | Tactical schematics detailed at snapjotz com football playbook series |
Anatomical Breakdown of the Route Combination
Every successful pass concept relies on precision timing and individual route integrity. The post dig route pairs two distinct routes that interact to overload zone coverages or isolate man-to-man defenders.
[ POST ROUTE ]
/ (Breaks to middle post at 12-15 yds)
/
/
|
| (Outside Receiver Vertical Stem)
|
-----------------------------------------------
[ DIG ROUTE ]
<--------- (Breaks 90° across at 10-12 yds)
|
| (Inside Receiver Vertical Stem)
|
The Post Component
The post route is executed by an outside wide receiver aligned on the perimeter. The receiver fires off the line of scrimmage with a hard vertical threat, pushing to a depth of 12 to 15 yards to force the cornerback into a deep backdrop stance. At the apex of the stem, the receiver plants hard on the outside foot and cuts sharply at a 45-degree angle toward the goalpost.
The primary purpose of the post within the post dig route design is twofold. First, against single-high safety defense, it forces the deep middle safety to turn and commit vertically toward the goal line. Second, it carries the perimeter cornerback out of the intermediate passing lane, clearing a high-level vacuum in the center of the field.
The Dig Component
Running inside or underneath the post route is the dig route, often called an in-route or square-in. Executed by a slot receiver, tight end, or inside wing, the route begins with an aggressive vertical push to approximately 10 to 12 yards. The player sells a deep vertical route to push back linebackers and inside safeties, before making a crisp 90-degree break across the field, parallel to the line of scrimmage.
When combined inside the post dig route structure, the dig route occupies the exact field space vacated by the safety who was pulled away by the deep post route. This structural sequence produces a high-low vertical stretch on inside zone defenders.
Manipulating Coverage Schemes
Offensive playbooks utilize the post dig route to counter specific coverages. Defensive coordinators constantly cycle through coverages to disguise intent, yet the geometry of this two-receiver concept creates consistent solutions against standard defenses.
[ DEEP SAFETY ]
/ \
(Baited Up) (Committed Deep)
/ \
[ DIG RECEIVER ] [ POST RECEIVER ]
| |
[ LINEBACKER ] |
(Underneath) |
Exploiting Cover 1 (Man-Free)
In Cover 1, defenses deploy man-to-man coverage across all receivers with a single deep free safety protecting the middle of the field. The post dig route presents immediate problems for Cover 1:
- The deep post forces the single safety to choose between staying in the middle or drifting toward the post angle.
- If the safety hesitates or turns hips toward the post, the entire middle intermediate zone opens up for the dig route.
- If the cornerback coverage on the post route lacks inside leverage, the quarterback can throw the post over the top before the safety can recover.
Overloading Cover 3 (Single-High Zone)
Cover 3 places three defenders in deep zone drops and four defenders underneath. The post dig route is a direct counter to Cover 3 architecture:
- The deep middle safety must respect the post route entering their designated zone.
- The hook-curl linebackers are put in a split-second predicament: do they drop deep enough to wall off the incoming dig route, or do they react to underlying running backs in the flat?
- Because the post stretches the middle safety high, the dig route slides directly into the open window behind the linebackers and in front of the safety.
Beating Cover 2 and Two-High Alignments
Against Cover 2 or Cover 4 (Quarters), the post dig route converts into a disciplined window-finding play:
- In Cover 2, the post route drives straight down the open seam between the two deep safeties.
- The dig route settles directly in the soft spot of the zone, right behind the middle linebacker (Mike) if that defender turns and runs with the post.
Mechanics and Execution for Receivers
Executing the post dig route at a high level requires meticulous footwork, route timing, and awareness of coverage spaces.
Vertical Stem Discipline
Receivers must sell every route as a deep vertical go-route during the first 8 to 10 yards. If the dig receiver breaks too early or rounds the cut, linebackers can easily sit in the passing lane. Likewise, if the post receiver fails to threaten the cornerback vertically, the corner can stay low and cushion the intermediate crosser.
Selling the Break
Decisive plant-and-cut footwork is essential. On the post dig route, the receivers must drop their hips without slowing down.
- Post Plant: The receiver uses a violent outside foot plant to drive toward the post angle, preserving top speed to draw defensive eyes.
- Dig Knife: The interior receiver plants the outside foot at 10-12 yards, snapping the hips at a right angle to immediately present a full-chest target to the quarterback.
Adjusting to Coverage Drops
Against zone coverages, the dig receiver must avoid running straight into coverage collisions. Once the 90-degree break is made, the receiver must read the linebackers. If linebackers drop deep, the receiver throttle-downs in an open pocket of space rather than running into coverage structure.
Quarterback Mechanics and Decision Trees
For quarterbacks, reading the post dig route requires smooth footwork, sharp eyes, and proper progression discipline. The play typically operates as a front-to-back or high-to-low progression.
[ SNAP ]
|
v
[ READ SINGLE SAFETY ]
/ \
(Safety Drives) (Safety Stays Deep)
/ \
[ THROW POST ] [ THROW DIG ]
|
(Zone Closed?)
|
[ CHECKDOWN / RUN ]
Pre-Snap Read Process
Before the snap, the quarterback evaluates the safety structure:
- Single-High Safety (Cover 1 / Cover 3): The post route is an immediate pre-snap alert. If the post receiver has a favorable matchup or leverage, the quarterback can attack deep.
- Two-High Safety (Cover 2 / Cover 4): The quarterback recognizes that the safety help will restrict the post, making the dig route the primary target on the progression.
Post-Snap Progression
- Alert / Peak: The quarterback drops to 5 or 7 steps, looking directly at the deep middle safety.
- Primary (Post to Dig Transition): If the safety moves toward the post route, the quarterback eyes transition immediately down to the dig route coming into the vacated window.
- Secondary (Checkdown): If linebackers drop back to cover the dig route, the quarterback smoothly transitions to a running back in the flat or a short outlet route.
Ball Placement Techniques
Throwing the post dig route requires distinct pass trajectories depending on the target:
- On the Post Route: The ball must be thrown with anticipation, lofted high and firm toward the goalpost so the receiver can run underneath it without slowing down.
- On the Dig Route: The ball requires a firm, on-time delivery right as the receiver snaps out of the 90-degree break, placing it on the lead shoulder away from trailing linebackers.
Strategic Play-Design Variations
Coordinators frequently modify the post dig route to confuse defensive game plans and create fresh angles of attack.
Play-Action Integration
Pairing the post dig route with a heavy run-fake creates explosive plays. As the quarterback fakes a handoff, linebackers freeze or step forward toward the line of scrimmage. This movement creates a massive passing corridor directly behind the linebackers for the dig route to operate freely.
[ QUARTERBACK ]
/ \
(Fake Hand) (Set Feet)
/ \
[ RUN FAKE ] [ THROW POST DIG ]
| |
(LB Pulls Up) (Pass Lane Opens)
Motion and Formation Swaps
Teams often run the post dig route from compressed formations, stacked splits, or using pre-snap motion. Passing plays designed with motion allow the offensive unit to identify whether the defense is playing man or zone coverage prior to the snap.
Switch Concept Variations
In a switch variation, the outside receiver runs the dig while the inside receiver runs the post. Crossing the paths of both receivers immediately after the snap forces defensive backs to communicate quickly, often leading to blown coverages or delayed defensive reactions.
Historical Evolution in Coaching Systems
The post dig route has been a foundational element in professional and college playbooks for decades, featuring heavily across multiple football offensive philosophies.
The West Coast Offense
In traditional West Coast Offense playbooks, rhythm, precise timing, and short-to-intermediate passing are paramount. The concept was refined to give quarterbacks rapid answers against aggressive, blitzing defenses. The quick dig break provided a dependable hot answer when extra rushers were sent.
Air Raid and Spread Offenses
With the proliferation of spread offenses, the post dig route adapted to space out defenders across wider field splits. Spread systems rely on tempo and horizontal stretching, using speed at the slot position to turn simple dig catches into significant gains after the catch.
Modern Pro-Style Systems
Modern NFL offenses blend heavy play-action passing with two-high safety beaters. By combining compressed formation alignments with the post dig route, play-callers create vertical shots off bootlegs and run-action fakes.
Common Execution Errors and Solutions
Even well-designed plays can fail without careful attention to detail. Understanding common execution mistakes helps coaches and players maximize the post dig route efficiency.
Drifting on the Dig Route
A common mistake by receivers running the dig route is drifting upfield after making the 90-degree break. Drifting allows linebackers and safeties time to close the gap and make a play on the ball. The receiver must maintain a flat angle, parallel to the line of scrimmage, to keep distance from deep coverage.
Quarterback Staring Down the Target
If a quarterback locks eyes onto the dig route right off the snap, the deep middle safety will read the quarterback’s eyes and drive down onto the pass. Quarterbacks must hold the safety with their eyes during the dropback before snapping their vision back to the dig window.
Improper Depth Spacing
If the post route is cut too shallow (e.g., at 8 yards instead of 14), it clutters the passing lane intended for the dig route. Maintaining proper 3-to-5-yard vertical spacing between the post apex and the dig break is necessary to stretch zone coverage effectively.
Defending the Concept
Defensive coordinators employ specific coverage techniques and calls to disrupt the timing of the post dig route.
Wall and Carry Technique
In match-zone coverages, linebackers are taught to wall off inside crossers. The hook-curl linebacker will physically re-route the inside receiver running the dig, disrupting the timing of the break and giving the pass rush time to reach the quarterback.
Robber Coverage Rules
In safety robber coverages, a deep safety reads the quarterback’s intentions and jumps down into the intermediate hole right as the dig route crosses the middle. This defensive adjustment aims to intercept passes thrown on a line over the middle of the field.
[ DEEP SAFETY ] ---> (Drives down into middle hole)
|
[ DIG ROUTE ]
|
[ HOOK-CURL LB ] ---> (Reroutes Receiver)
Training Drills for Mastery
Mastering the post dig route requires dedicated execution during individual and team practice periods.
The Cone Break Drill
Receivers practice running full speed at a set of markers placed at 12 yards. On command, they plant their outside foot, snap their hips, and accelerate flat across the field along a straight line, training muscle memory for sharp route cuts.
Quarterback Eye-Discipline Drill
Quarterbacks execute their dropback while a coach stands in the middle of the field acting as a safety. The coach shifts left or right, forcing the quarterback to hold the coach with their posture before snapping a throw to a receiver running a dig or post route.
Frequently Asked Questions
What is the main objective of a post dig route combination?
The primary goal is to create a vertical and horizontal stretch on single-high safeties and linebackers, opening up intermediate passing windows across the middle of the field.
What coverage is vulnerable to the post dig route?
Single-high coverages, such as Cover 1 (man-free) and Cover 3 (zone), are particularly vulnerable because the single deep safety cannot cover both the deep post and the intermediate dig simultaneously.
What is the difference between an in route and a dig route?
While the terms are often used interchangeably, a dig route typically refers to a sharp 90-degree in-breaking route run at a deeper vertical stem, usually between 10 and 15 yards downfield.
How does play-action enhance the post dig route?
Play-action fakes draw linebackers toward the line of scrimmage to defend the run, widening the open window behind them for the dig route to cross through.
Which receiver runs the post and who runs the dig?
Typically, the perimeter outside receiver runs the deep post route to clear out coverage, while the slot receiver or tight end runs the intermediate dig route underneath.
What adjustments do receivers make against zone defenses on this route?
Against zone defense, the dig receiver throttles down in an open pocket of space between linebackers rather than running at full speed into a covered zone.
Strategic Significance in Modern Football
The post dig route remains an essential, timeless pillar of pass design across every level of competitive football. By combining deep vertical displacement with crisp, high-value intermediate route running, it forces defensive coverages into difficult structural decisions. When executed with proper footwork, sharp eye discipline, and accurate timing, the post dig route creates reliable, explosive passing opportunities against any defensive system.
