---
slug: "coverage-grade"
title: Coverage Grade
depth_tier: entry
side: DEFENSE
category: Analytics
source_id: "ANA-0012"
created: 2026-04-19
updated: 2026-04-19
canonical: https://learningfootball.xyz/terms/coverage-grade
aliases:
  - coverage grade
  - PFF coverage grade
  - DB coverage grade
---
# Coverage Grade

## Short Definition

A PFF metric grading a defender's pass coverage on every snap—targeted or not—capturing positioning and deterrence beyond what target counts reveal.

## Definition

Coverage grade is a PFF metric assessing how well a defender executes their pass coverage assignment on every snap they spend in coverage—whether they receive a target or not. A cornerback receives a coverage grade for how he aligns, leverages, and positions himself on every route he defends, not just the plays that result in targets or completions.

The grade accounts for multiple components: yards allowed per coverage snap, completion percentage allowed when targeted, touchdowns versus pass breakups, and the difficulty of routes defended. A defender who holds receivers to short gains on many contested targets rates differently than one who gives up clean intermediate completions repeatedly.

Coverage grade reveals what traditional statistics obscure. A cornerback with 2 targets in a game may have played excellent coverage that deterred the quarterback, or may have been hidden in a scheme that kept the ball away from him. The grade attempts to separate these cases by evaluating technique and positioning on every snap. Similarly, a safety with a 72% completion rate allowed might be covering tight ends in the seam—a harder assignment—while a cornerback at 60% allowed might be covering slot receivers on short routes.

Teams use coverage grades in free agency evaluation and to identify which matchups to attack or protect in game planning. For broadcast analytics, coverage grade provides context that target counts and passer rating against cannot—the full scope of what a defensive back does in coverage on every play of every game.

## Example

"Zero targets all game—but his coverage grade is 86.4. He played outside corner on the opponent's best receiver for 62 snaps. The quarterback didn't test him. That's what elite coverage looks like in the data."

## Common Confusion

Coverage grade evaluates every coverage snap—not just plays where the ball arrived. A cornerback schemed away from all game, seeing zero targets, still accumulated coverage snaps. His grade reflects positioning and leverage discipline. An excellent grade with no targets often means the coverage is working exactly as designed.

## Related

- pff-grade
- separation-score
- dvoa
- snap-count
- pass-rush-win-rate

---
Source: https://learningfootball.xyz/terms/coverage-grade