Racing PositionsWhich closers are safe ... and unsafe?20dAJ MassFantasy: Surprises/disappointments among relievers21dTodd ZolaRelief Efforts: Impact of closers and K rate20dTristan H. CockcroftRelief Efforts: Plenty of closer changes in AL West21dTristan H. CockcroftVantage Point: Undervalued hitters20dAJ MassRelief Efforts: Frieri, Downs sharing saves20dTristan H. Cockcroft