HOUSTON (Interstat) — The Houston Astros scored six runs in the eighth inning to erase a four-run deficit and beat the Pittsburgh Pirates 11-9 Wednesday at Daikin Park.

Trailing 9-5 entering the bottom of the eighth, Houston tied the game on Isaac Paredes’ bases-loaded walk and took the lead on Cam Smith’s two-run triple. Smith finished with three RBIs. Yordan Alvarez went 4-for-5 with two RBIs, and Paredes homered and drove in three runs.

Pittsburgh had taken control earlier. Henry Davis hit a grand slam in the fourth inning, and Nick Gonzales homered in the seventh and added an RBI double in the eighth. Gonzales drove in three runs.

AJ Blubaugh (3-2) earned the win with a scoreless eighth. Josh Hader struck out one in a perfect ninth for his first save. Gregory Soto (4-1) took the loss after allowing four runs in the eighth.

Pittsburgh outhit Houston 12-14 but left runners on base in key spots. Paul Skenes struck out seven over 4 2/3 innings, allowing three earned runs.

The Pirates fell to 33-29; the Astros improved to 28-35. Attendance was 26,956. Time of game was 3:42.