Gap Exchange between Defensive Linemen, Linebackers, and Safeties
Gap exchange in defensive football occurs between defensive linemen, linebackers and safeties is a critical element for many over fronts and under fronts.
Gap Exchange: Block Down Step Down
The basic gap exchange concept begins at the defensive linemen level, where the defensive linemen responds to a down block by an offensive linemen or tight end. The linemen is likely taught the theory of block down step down, where if the linemen blocks inside he must step inside, disrupt said linemens path, and spill kickout blocks.
The linemen, given the block down step down rule, cannot play his original gap. In essense,…