Scrape Exchange is a defensive technique where a linebacker and defensive end exchange their responsibilities.

Usually a defensive end lined up wider than a linebacker will have contain responsibility, meaning it is his job to make sure the ball carrier doesn’t run to the outside.  The inside linebacker has fill responsibility, meaning it is his job to fill the area between the contain man and the rest of the players.  Here is standard:

In a scrape exchange, the two players exchange roles.  The defensive end fills the gap, and the linebacker scrapes to the outside to contain.  The scrape is the technique of moving down the line of scrimmage and closing the gap with the running back.  Here is the scrape exchange:

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