David Dahl singles on a sharp ground ball to second baseman Neil Walker, deflected by pitcher Steven Matz.
COL@BAL: Dahl's family reacts to his MLB debut
COL@NYM: Rockies go ahead in 9th on wild pitch
COL@BAL: Dahl crushes his first career home run
With David Dahl batting, Trevor Story steals (8) 2nd base.
Three highly touted prospects make their debuts