Linebacker â€“ Athletic versatile defenders (usually three on the field at any one time) who line up in the middle of the defense behind the defensive linemen and in front of the cornerbacks and safeties who make up the secondary. Linebackers have several tasks including stopping opponent's running plays, covering receivers on passing plays or pressuring the quarterback into mistakes.
a player position on defense. The linebackers typically play 1 to 3 yards behind the defensive linemen and have both run and pass defense responsibilities. However they are often called on to blitz, and in some formations a linebacker may be designated as a "rush linebacker", rushing the passer on almost every play.
The linebackers are behind the defensive line in defensive plays, and they tend to be smaller and faster than defensive linemen, but bigger and slower than defensive backs. They defend the run and the pass.
A defensive player positioned behind the defensive line on scrimmages. In a "four-three" formation, there are three linebackers; in a "three-four", there are four. Linebackers can be used to blitz the quarterback, make tackles on running plays, or be used for pass coverage. ;