Racing PositionsAstros will be surprise team of 20157YDavid SchoenfieldAstros improvement starts at the top9YAJ MassMets 7, Astros 5: Oh, geez9YAdam RubinAstros' Norris to start Opening Day vs. Rangers9YMets 9, Astros 6: Another highlight catch9YAdam RubinRockies agree to one-year deal with OF Colvin9YRockies get RHP Lopez from Astros for 2 RHPs10Y