Allen added an insurance run in the ninth with a two-out single that brought home Cam Smith.
After A. J.
Blubaugh allowed a two-run homer to Michael Busch in the seventh that cut the lead to 7-5, Bryan Abreu escaped a bases-loaded jam in the eighth by inducing a 6-3 double play from Ramirez.
Nate Pearson pitched a scoreless ninth to earn his first save as an Astro and fourth career save, his first since 2024.
Houston trails the American League West lead by four games.
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Hunter Brown, Josh Hader, Joey Loperfido, and Taylor Trammell are scheduled to begin rehab assignments for Corpus Christi ahead of the Astros' upcoming four-game series against the Rangers in Arlington.
