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DENVER (AP) - Nolan Arenado hit a go-ahead double in the seventh inning and the Colorado Rockies beat Pittsburgh 3-2 Sunday for a three-game sweep of the NL Central-leading Pirates.

The Pirates came to Coors Field this weekend with a five-game winning streak. They hold a three-game edge over St. Louis, and host the Cardinals in a three-game series starting Tuesday night.

Pedro Alvarez homered for the Pirates.