A video about American football defense for fans. We talk about the various positions in football, such as defensive tackle, strong safety, and middle linebacker, as well as defensive formations, defensive alignments, and defensive concepts such as mantoman defense, zone defense, coverage shells, and blitzing.

Some questions this video answers include:

What are the basic American football positions?
What are the basic American football formations?
What is the nickel package?
What are the dime package and quarter package?
What is a blitz?
What is zone defense in football?
What is man to man defense in football?
What does Cover 0, Cover 1, Cover 2, Cover 3 and Cover 4 mean?
What is the defensive shell?

If you've watched the video and want to explore some of the topics, these videos and resources are a great place to start. I'll be updating this as I find more.

About Zone Defense:    • How to Play Zone Defense & When to Us...  
About coverage shells:    • Football 101 Video Breakdown I What A...  
History of the 335 defense:    • Iowa State Football: Jon Heacock Defe...