What is a Sack
When a defensive player tackles the quarterback behind the line of scrimmage while they still have the ball.
A sack occurs when a defensive player tackles the quarterback behind the line of scrimmage for a loss of yards while the quarterback still has the ball and is attempting to pass. It is one of the most impactful defensive plays in football, resulting in a loss of down, a significant loss of yards, and often a disruption of the offense's rhythm.
How a Sack Happens
A sack requires a pass rusher — typically a defensive end or linebacker — to beat their blocker and reach the quarterback before the ball is thrown. Sacks are the result of:
- Speed rushes — Using pure athleticism to outrun offensive linemen around the edge
- Power rushes — Overpowering a blocker and driving through them
- Stunts and games — Coordinated moves where two defensive linemen swap lanes to confuse blockers
- Zone pressure — Coverage schemes that allow extra rushers to attack
- Blitzing — Sending additional defenders beyond the standard four pass rushers to overwhelm the offensive line
Impact of a Sack
A sack typically costs the offense 5–8 yards and expends a down. In third-and-short situations, a sack can turn a manageable third down into a punting situation. Sacks that result in fumbles are particularly devastating — they can give the defense possession deep in the offense's own territory.
All-Time Sack Records
Bruce Smith holds the all-time NFL sack record with 200 career sacks. Single-season records include Michael Strahan's 22.5 sacks in 2001. Pass rushers like Lawrence Taylor, Reggie White, and Myles Garrett are among the most feared in the history of the game.
Sacks in Fantasy Football
In fantasy football, defensive sacks are typically worth 1–2 points each, depending on the league's scoring system. Teams with elite pass rushers can be valuable fantasy defensive units.
Protecting the Quarterback
Offensive linemen, particularly left tackles, are charged with protecting the quarterback's blind side from pass rushers. A dominant left tackle can neutralize even the best edge rushers, while a weak one can lead to a quarterback being pressured into mistakes all game.