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David Peralta hit a three-run homer in the seventh inning Tuesday to lead the D-backs to a 5-3 win over the Rockies. (File photo courtesy of Kelsey Grant/Arizona Diamondbacks)

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D-backs blast three homers in 5-3 win over Rockies

David Peralta and A.J. Pollock homered in Arizona's four-run seventh inning, and the Diamondbacks beat the Colorado Rockies 5-3 on Tuesday night.