Linebackers—They line up on the tackle or guard, depending upon the particular front alignment we are employing at the time, and read the man in front of them. They should watch the entire backfield, too.
[Figure 51] illustrates the positions and keys of the linebackers and the 5-spoke defenders.
Figure 51
Dividing the Areas
We divide the areas in our defensive secondary into four short one-quarters and three deep one-thirds. The short one-quarters are covered by the ends and linebackers, and the halfbacks and safety cover the three deep thirds, as illustrated in [Figure 52].
Figure 52