PITTSBURGH (AP) — Braxton Ashcraft and highly touted rookie Bubba Chandler combined for a three-hit shutout as the Pittsburgh Pirates breezed past the Colorado Rockies 9-0 on Friday night.

Ashcraft (4-2) struck out six with one hit and a walk to win his second consecutive start. Chandler, a hard-throwing 22-year-old right-hander considered the top pitching prospect in baseball, followed with four innings of scoreless relief to get the save in his major league debut.

Spencer Horwitz, Tommy Pham and Alexander Canario homered for Pittsburgh, which has won three of four. Andrew McCutchen doubled twice and drove in four runs off Colorado's Antonio Senzatela (4-15), who struggled against the Pirates for the second time in three weeks.

Earlier this month in Denver, Senzatela was shelled for

See Full Page