Every defense has weaknesses, but great coaches know how to find and fix them. In this guide, you will learn the four types of defensive weaknesses, including numbers, space, seams, and leverage, and how different play calls affect each one. Discover how to recognize problems before they happen, make smarter in-game adjustments, and keep your defense one step ahead of every offense you face.

Every call in your football team’s defensive playbook must have a job to do. Use this guide to get started.