The Astros erased a four-run deficit with six runs in the eighth inning to defeat the Pirates 11-9 at Daikin Park. Houston trailed 9-5 entering the frame before mounting the decisive rally that gave them their first lead since the fifth inning.
Isaac Paredes led Houston's offense, going 2-for-4 with a home run and 3 RBI. Yordan Alvarez collected four hits in five at-bats with 2 RBI, while Cam Smith delivered the key blow with a two-run triple in the eighth. Jeremy Pena scored three runs and reached base five times.
The eighth-inning comeback began when Vázquez doubled to center, scoring Allen. Alvarez followed with a single to center, bringing Vázquez home. Walker reached on an infield single as Peña scored on an error, then Cole scored on a wild pitch by Soto to tie the game at 9-9. Smith capped the rally with his triple to right, scoring Walker and Paredes for the final margin.
Gregory Soto suffered his first loss of the season, allowing three runs without recording an out in the eighth. The Pirates had built their lead behind Henry Davis's grand slam in the fourth and Nick Gonzales's two-run homer in the seventh. AJ Blubaugh earned the win with one inning of relief, while Josh Hader recorded his first save.
Houston improved to 28-35 and snapped a losing streak. Pittsburgh fell to 33-29 with the loss.