A.J. Pollock hit a walk-off ninth inning single to lift the Diamondback past the Astros 4-3 in Phoenix. Pollock also hit a sac-fly and David Peralta homered, drove in a pair of his own, and scored twice for the D-backs. Zach Greinke gave up one-run in a no-decision and Brad Boxberger got credit for the win. Arizona snapped a three-game slide and improved to 22-and-11. The Stros battled back for two runs in the eighth inning to tie the game. Chris Devenski ended up taking the loss and George Springer homered as Houston fell to 21-and-14.
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