Linebackers

Linebackers are defensive backs in the secondary on defense. The linebacker is a versatile player responsible for:

• Tackling the ball carrier and forward progress
• Stopping complete passes
• Preventing scores
• Forcing turnovers
• Sacking the quarterback

Defensive Backfield

The defensive backfield is located just behind the line of scrimmage. Linebackers stand in the defensive backfield.

4-3 Defense

A 4 3 defense in football is a defense with four defensive linemen and three linebackers.

3-4 Defense

A 3 4 defense in football is a defense with three defensive linemen and four linebackers.