What is the 4-3 Defense?
The 4-3 defense is a formation that relies having big guys up near the ball to stop the other team from running the ball as effectively as they would like.
What are the origins of the 4-3 Defense?
The 4-3 defense is often attributed to legendary head coach Tom Landry while he was serving as an assistant coach in New York. It was created to stop the Browns and their powerful rushing attack.
Are there any famous teams who used this defense?
Yes, this formation was used by the Dallas Cowboys from the early 1960's to late 1980's when Tom Landry left the team. Many other teams use this formation, but Dallas won two Super Bowls under Tom Landry.