opposing team are the defensive line. A number of NFL rules specifically address restrictions and requirements for the offensive line, whose job is to help...

rushing defensive ends. Four backs line up behind the line of scrimmage. Additionally, there are two receivers, one on each end of the line of scrimmage...

football, defensive backs (DBs), also called the secondary, are the players on the defensive side of the ball who play farthest back from the line of scrimmage...

The Panther–Wotan line, or Ostwall in German, was a defensive line partially built by the German Wehrmacht in 1943 on the Eastern Front. The first part...

Defensive end (DE) is a defensive position in the sport of gridiron football. This position has designated the players at each end of the defensive line...

A defensive tackle (DT) is a position in American football that typically lines up on the line of scrimmage, opposite one of the offensive guards; however...

player from midfield to a position behind the defensive line, as a "last man" who would protect the back-line and start attacks again. As coach of Switzerland...

blocker. In a one-gap defensive line technique, a player is assigned a single gap to defend against the run. He does not have to line up in the gap, but...

defensive line. If a major offensive was launched against a point in the line, mobile reinforcements would be sent to reinforce that part of the line...

facing. The defensive line lines up in front of the offensive line. The defensive lineman's responsibility is to prevent the offensive line from opening...