Understand basic skills positions for the defensive line in American football, with tips on the 3-4 and 4-3 defensive formations in this free instructional video on the fundamentals of football.
Expert: Geoff Kieffer
Bio: Residing in Lancaster, Pennsylvania, Geoff Kieffer, spends much of his free time doing football-related activities. For many years, he has coached little league football at local elementary schools.
Filmmaker: David Cornman
that was sh!t.
ghostfacedragon 3 years ago
you really taught us how to play
x3t4l 3 years ago
two kids are gay
ericrunningback 4 years ago