Winning the Trenches: The Key to the Oregon Ducks and Philadelphia Eagles’ 3-4 Defenses

Joe Kearns Analysis

There is a reason why defensive line guru Jerry Azzinaro was the one Oregon position coach who joined Chip Kelly on the Philadelphia Eagles’ coaching staff. The 3-4 defensive scheme and two-gap technique are just as important to Kelly as the fast-tempo, zone-blocking, and packaged plays. Azzinaro was Kelly’s right-hand man in installing the 3-4 as the base defense at …