Asomugha’s deal has low base value, no guarantees

Little more than 20 months after cornerback Nnamdi Asomugha became the crown jewel of the post-lockout free agency class, Asomugha has been relegated to the bargain basement. Per a source with knowledge of the contract, Asomugha’s one-year deal with the 49ers carries no risk for the Niners, since he receives no guaranteed money. The contract…