He was so effective that Kansas State (4-1) loaded the line of scrimmage with extra defenders to try to stop the bleeding.

They blitzed two extra defenders on the game's first play.

He is credited with developing the "sweeper-keeper" style of play, whereby the goalkeeper can act as an extra defender when needed.

The Eagles are likely to deal with Vick by trying to pin him in the pocket with an extra defender.

Unlike Cover 2 schemes that create a natural hole between safeties, Cover 3's extra deep defender is able to patrol the middle area effectively.

Since a player is considered down when he steps out of bounds, the sideline effectively acts as an extra defender.

They did a lot of what looked like run-blitzing, where the idea is to get extra defenders to the ballcarrier behind the line of scrimmage.

Atlanta released Hanks on March 26, choosing to keep an extra defender instead.

This gives the defense nine in the box and the ability to stop the run with an extra defender on either side.

The Dutch, concerned about the vulnerability of their defense, contemplate a lineup change that adds an extra defender, Danny Blind.