NU’s wide receivers understanding these tendencies — and quarterback Taylor Martinez understanding the same — is crucial to the development of offensive coordinator Tim Beck’s offense. If, for example, a defense drops one safety into the run box while another drifts toward the middle of the field — your basic Cover 1 look — Martinez and his receiving targets must identify the routes that work against it. One key weapon — and decoy — in 2011 will be Kyler Reed. Where he goes — and how defenses choose to cover him — could alter what reads Martinez and his wide receivers make.