Racing PositionsTop 12 fantasy prospects: Vitters joins list15dKevin GoldsteinTop 12 fantasy prospects: Lavarnway on radar again15dKevin GoldsteinTop 12 fantasy prospects: Hultzen jumps to top spot15dKevin GoldsteinTop 12 fantasy prospects: Domonic Brown resurfaces15dKevin GoldsteinTop 12 fantasy prospects: Grandal tearing up Triple-A15dKevin GoldsteinTop 12 fantasy prospects: Wil Myers moves to top spot15dKevin Goldstein