defense
- defense alignment
- http://www.coachesservices.com/defense.htm
- defense
- http://jvm.com/coachfree/DefenseIntro.html
- blitz defense
- http://espn.go.com/ncf/columns/davie/1437187.html
- in the box - defense basic for front 7 men
- http://espn.go.com/ncf/columns/davie/1427720.html
- DL basic
- http://coachingstaff.com/fb.php/dl_fund.html