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Premier prospect Archie Bradley had an impressive spring debut for the Diamondbacks, striking out six over three innings to lead Arizona past the Colorado Rockies 5-0 in a split-squad game Monday night.

Bradley, rated the top pitching prospect in baseball, allowed one hit and walked two. He faced a lineup that featured several Rockies regulars, including NL batting champion Michael Cuddyer and sluggers Carlos Gonzalez and Troy Tulowitzki.

Diamondbacks newcomer Mark Trumbo had an RBI single. Gerardo Parra doubled and scored.

Drafted seventh overall out of his Oklahoma high school in 2011, the 21-year-old Bradley originally was scheduled to make his first Cactus League start Saturday night against the Chicago Cubs before that game was rained out.