Domingo Santana couldn't even feel his feet touch the dirt as he strolled around the bases following his first big league homer. Another clutch hit from a recent call-up. The pipeline of promising prospects just doesn't seem to end for the Houston Astros these days. Preston Tucker homered and drove in three runs, Santana came through in a pinch-hitting role in the eighth and the Astros beat the Colorado Rockies 8-4 Thursday for their fifth straight win. Read more http://espn.go.com/mlb/recap?gameId=350618127
