Racing PositionsFantasy: Surprises/disappointments among relievers8dTodd ZolaRelief Efforts: Identifying safe, risky closers8dAJ MassRelief Efforts: Axford, Bell out; Casilla close8dTristan H. CockcroftRelief Efforts: Bullpen shakeups across league8dTristan H. CockcroftRelief Efforts: Closers on shaky ground8dTristan H. Cockcroft