Houston Astros at Seattle Mariners: Final Score & Recap
Line Score
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HOU | 1 | 0 | 3 | 0 | 0 | 1 | 0 | 2 | 0 | 7 | 12 | 0 |
| SEA | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 |
The Story
The Houston Astros shut out the Seattle Mariners 7-0 at T-Mobile Park on September 22, 2026, delivering a dominant road performance that erased what had been a near-even matchup at first pitch. The DiamondIQ model opened the game with Seattle holding a 51 percent home win probability, but that advantage evaporated quickly and never returned, with the model's estimate settling at zero percent by the final out.
The decisive blow came in the third inning when Christian Walker crushed a home run off Logan Gilbert, a swing that shifted win probability by 19.3 points and effectively broke the game open. Walker finished as the game's top performer by WPA, posting an 18.3 percent contribution at the plate alongside a 1.0 RE24. The Astros added to their lead in the sixth when Isaac Paredes went deep against José A. Ferrer for a 4.7-point win-probability swing, and Houston tacked on two more in the eighth to close at seven. Seattle's most promising moment came in the fourth, when Julio Rodríguez singled off Miguel Ullola to produce the game's lone positive WPA play for the Mariners at 3.7 points, though it amounted to nothing on the scoreboard.
On the mound, Cristian Javier anchored the effort with a 10.5-point WPA contribution, setting the tone early and neutralizing Seattle's lineup, which managed only four hits and committed one error. Miguel Ullola added 8.2 WPA points in relief, and Bennett Sousa contributed 6.6. Houston's pitching staff combined to hold the Mariners scoreless across all nine innings, finishing with a clean 12-hit, zero-error performance at the plate to match the shutout on the mound.