Pacheco had two hits, including a solo home run, to give the Rockies their first win of the season over the Braves and hand Atlanta its fourth loss in its last six games.
Carlos Torres (4-1) earned the win in relief of Drew Pomeranz, who departed after three innings. Torres contributed three shutout innings of his own with three strikeouts.
Tommy Hanson (12-8) took the loss with two runs on five hits and eight strikeouts over 5 2/3 innings.
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