What is the Defensive Backfield in Football?
The defensive backfield in Football is the area on the defensive side of the line of scrimmage where players in the secondary line-up. The defensive backfield usually consists of multiple defensive backs including cornerbacks and safeties. The defensive backfield begins about ten yards behind the line of scrimmage and extends to the goal line the defense is defending.
The defensive backfield, sometimes called the secondary or defensive secondary, is the last line of defense for a defense. Defenders in the secondary, cornerbacks and safeties, are in charge of defending against deep passes and long plays.