Racing PositionsCall-up profile: Josh Vitters, 3B, Cubs18dKevin GoldsteinTop 12 fantasy prospects: Taveras on the rise18dKevin GoldsteinTop 12 fantasy prospects: Dan Straily at No. 118dKevin GoldsteinTop 12 fantasy prospects: Trade deadline approaching18dKevin GoldsteinTop 12 fantasy prospects: Marte up to No. 218dKevin GoldsteinTop 12 fantasy prospects: Vitters joins list18dKevin GoldsteinTop 12 fantasy prospects: d'Arnaud looks ready18dKevin Goldstein