4-3 defense

Defense Adjustments vs 27 Formations
FirstDown PlayBook learned a long time ago that if you are a Defensive Coordinator and cannot make defensive adjustments you're in trouble....

A Case For Corners Over Defense
Corners over allows a defense to be sound if the ball is snapped with or without motion. Personnel matchup is a big part of it....

Difference in 4-2-5 Defense & 4-3?
Way too much is made of the difference in a 4-2-5 and a 4-3 defense. It mostly comes from internet coaches who don't have a football base....

4-3 Under Base Defense
Let’s slow down today to look at FirstDown PlayBook’s 4-3 Under Base defense. Sometimes as football coaches we spit words out like “over” and “under”...