Boscan pitched four innings, giving up two earned runs and striking out two to earn his first Major League win.
The Pirates scored four runs in the third inning, with a throwing error by Rockies first baseman Mark Reynolds allowing Francisco Cervelli to reach base and Andrew McCutchen and Gregory Polanco to score. Boscan followed with his first big league hit and RBI to stretch the Bucs' lead to 6-0.
The Rockies chipped away, getting on the board on Charlie Blackmon's two-run double in the fifth and scoring once in the ninth while getting the potential tying run to the plate vs.