Beginning with Landry's historic introduction in the early 1950s to the present, coaches Tim Simons and Mike Freeman explain every detail of this popular defense. Covers basic 4-3/cover 4, defensive linemen, linebackers, secondary coverages, and basic blitz package. Also addresses problem areas and includes information on defending various offenses, as well as goal line defense, drills for the 4-3, and practice schedules. This updated second edition even includes all new chapters on the 4-3 with the eagle front and a zone pressure package. Dozens of illustrations and diagrams make learning and implementing the 4-3 defense fast and easy.