Assertion: quarterback's player | /r/CapableOf | defend one receiver
Facets:
Source sentences:
text: Because of the "island" effect of one player defending one receiver, look for the defensive backs to use an inside leverage (aligned slightly inside the receiver they are covering) to try to push the receiver’s route toward the sidelines, congesting the field, using the sideline as an additional defender, and keeping the receiver from the open deep-middle of the field.