Defensive Right Corner Man—When the defensive right corner man observes the near offensive end release and the flow starts toward him, he sprints back to his area eight yards deep. When he sees the quarterback roll away from him, as illustrated in [Figure 68], he turns to his inside and gets into a position so he can cover the deep one-third of the field to his side. He must react quickly as his responsibility changes from a short one-quarter to a deep one-third pass coverage when the play starts toward him and then the quarterback rolls away from his position.

Defensive Right Halfback—On the snap of the ball if the defensive right halfback sees an action pass coming in his direction, he starts back and out to a position where he can cover the deep one-third area to his side of the field. On about his eighth or ninth step, he should be able to recognize a change in the offense’s direction and the flow is going away from him. He immediately turns to his inside and still watching the passer he sprints to the deep middle one-third of the field. He, too, must react very quickly and sprint in order to cover the deep middle area. The time it takes him to react and change his direction will be an important factor in determining whether or not he breaks up the pass.

Defensive Left Halfback—When the defensive left halfback sees the flow going away from him, he should receive an oral signal from his corner man releasing him from his deep off-one-third responsibility. After he hears his signal, he will sprint to a position where he can cover the middle one-third area. As he is running to his area, he observes that the quarterback is now rolling out to his side. Therefore, the halfback must plant, pivot and try to get into a position to cover the deep one-third area on his side of the field. If he sees he can cover this area satisfactorily, he will give an oral signal to his corner man which tells the latter to go up and cover the short one-quarter area. If he sees that he cannot get into a good football position to cover his area, the defensive halfback will not give a signal. Then we will have two men covering the deep one-third area, and the short one-quarter area will not be covered in such a situation.

Defensive Left Corner Man—By reading the offensive backs, the defensive corner man observes the flow going away from him. He immediately turns to his inside and yells an oral signal to his defensive halfback, which tells the latter the corner man will cover the deep off-one-third area. As he is sprinting toward his area, he observes the quarterback reversing his action, and the play is now coming toward him. He turns to his outside and stays in a position to cover the deep left one-third ([Figure 68]) until he hears an oral signal from his halfback releasing him from his deep responsibility. If he does not hear a signal, he will continue to go back and cover the deep one-third zone. If he hears a signal, he is released from his deep responsibility, which is now assumed by the halfback, and the corner man covers his short one-quarter area. If the offense is going to complete the pass, we want them to catch it in the short area rather than in the deep zone. Therefore, the deep one-third coverage has preference over the short one-quarter zone. At times we might end up with two defenders in the same deep zone, but we would rather do this than leave the deep zone uncovered. If this were the case, then our defense would not be sound. Once again our first objective of defensive football is to eliminate the “easy” or “cheap” touchdown pass.

4-Spoke Coverage Versus a Flanker Set

[Figure 69] illustrates a 4-spoke coverage versus a straight drop back pass from a flanker set. As you can observe, the entire perimeter of the defensive secondary is revolved to the left. If the offense were strong to their left, our secondary would revolve to our right versus a flanker set left.

In [Figure 69] the left corner man goes up on the line of scrimmage, and from his new position he carries out the same assignment he would if he lined up in his normal position of two and one-half yards deep and four yards wide. In his new position he can contain a running play very quickly. If a straight drop back pass developed, he would turn to his outside and still cover his short one-quarter area.

The defensive left halfback carries out the same assignment by covering the deep one-third of the field to his side, but he lines up outside of the flanker instead of on the inside shoulder of the offensive end.