NFL 101: Introducing the Basics of Prevent Defenses
When to Use a Dime Defense
Durkin: Football 101 On 'Multiple' Looks Of Defenses - CBS Chicago
Big Nickel, Super Safeties, and Defending 12 Personnel - 2024 NFL
Football 101: Basic Positions on Defense
Football 101: Cover 2 - Weekly Spiral
Alabama defense 101: nickel = Star, dime = Money, DBs = LBs
NCF - Football 101: Defensive substitution packages