Originally Posted by Eric_Boyer
the 3-4 generally is a faster defense then a 4-3.
you have one less large body up front replaced by a smaller backer.
Not position-by-position, which was the crux of my post.
Both the linemen and linebackers in a 4-3 defense tend to be smaller. So while there is one more "big body" in a 4-3 defense, the "big bodies" tend to be smaller and the linebackers need not be as large.
"Many of the greatest things man has achieved are not the result of consciously directed thought, and still less the product of a deliberately coordinated effort of many individuals, but of a process in which the individual plays a part which he can never fully understand." - Friedrich Hayek