Article By Oliver Seth on 11th April, 2010
For those who don't know how to run a 4-3, I'll go through the basic steps to operating a successful 4-3, with certain player personnel groups.
A 4-3 defense consists four men positioned on the line of scrimmage, while for a 3-4 three men are on the line of scrimmage.
Before confusing you, I won't go into the details of defensive lineman in other forms of the 4-3 or 3-4; we'll leave it at that.
One thing to keep straight, though, is that some defense's play what is called a 3-4 Eagle, which is commonly mistaken for a 4-3, and vice versa, because one of the defensive lineman is lined up against two offensive lineman.
Now as f...
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