Racing PositionsWhich closers are safe ... and unsafe?8dAJ MassFantasy: Surprises/disappointments among relievers8dTodd ZolaRelief Efforts: Impact of closers and K rate8dTristan H. CockcroftRelief Efforts: Plenty of closer changes in AL West8dTristan H. CockcroftVantage Point: Undervalued hitters8dAJ MassRelief Efforts: Frieri, Downs sharing saves8dTristan H. Cockcroft