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Astros Blank Mariners 7-0 Behind Three-Run Blast and Reliever Surge

Houston's offense erupted against Seattle's starting pitcher, securing a 7-0 shutout victory at T-Mobile Park. The Astros improved to 78-79 while the Mariners fell to 73-84.

Tessa Esparza

September 23, 20262 min read

Shutout Dominance - illustration, Jake Team LLC
MLBFinal
Houston Astros7
Seattle Mariners0

September 23, 2026

Offense Overwhelms Starting Pitcher

The Houston Astros dismantled the Seattle Mariners 7-0 on Wednesday, September 23, 2026, at T-Mobile Park. The decisive moment arrived in the third inning when Jose Walker hit a three-run home run to left field. The blast traveled 377 feet and drove in Yordan Alvarez and Carlos Correa, extending Houston's lead to 4-0.

By that point, the Mariners' starting pitcher Logan Gilbert had already surrendered significant damage. Gilbert allowed 10 hits and four earned runs over four innings of work. He also issued two walks and struck out three batters before taking the loss.

His record now stands at 12-11.

Early Lead and Late Surge

Houston established its dominance early in the game. In the first inning, Alvarez singled to right field, allowing a run to score and giving the Astros a 1-0 lead. The scoring continued in the sixth inning when Paredes hit a solo home run to left field.

That shot traveled 372 feet and increased the margin to 5-0. The final blow came in the eighth inning when Alvarez hit a two-run home run to right field. The ball traveled 386 feet, driving in another run and setting the final score at 7-0.

The game featured exactly three home runs, all hit by Houston batters.

Bullpen Secures Shutout

The Astros' relief corps performed effectively to maintain the shutout. Cristian Javier opened the game, pitching two innings while allowing one hit and two walks while striking out two batters. He did not allow any earned runs.

Miguel Ullola followed with two scoreless innings, allowing one hit and striking out two batters while walking none. He earned the win, improving his record to 1-0. Bennett Sousa pitched the next two innings, allowing one hit and two walks while striking out three batters without allowing earned runs.

AJ Blubaugh pitched one inning, allowing one walk and no hits or earned runs. Logan VanWey closed the game with two scoreless innings, allowing one hit and striking out two batters while walking none.

Mariners Struggle Offensively

The Seattle Mariners failed to score a single run during the contest. Their pitching staff struggled to contain Houston's offense. Jose Ferrer pitched one and two-thirds innings, allowing one hit and one earned run while striking out two batters.

Eduard Bazardo pitched one and one-third innings, allowing one walk and one hit while striking out one batter without allowing earned runs. Carlos Vargas pitched one inning, allowing one hit and two earned runs while striking out one batter and issuing one walk. Michael Rucker pitched the final inning, allowing one walk and one hit while striking out one batter without allowing earned runs.

The attendance at T-Mobile Park was 33,382. After the game, the Astros hold a 78-79 record, while the Mariners stand at 73-84.

Sources

ESPN

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Tessa Esparza

Tessa Esparza covers Little Elm high school and area college sports.

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