Game result and context
Mariners edge Astros 6-5 in 10 innings; Houston, still atop its division, has a magic number of 1
Seattle answered a Houston run in the top of the 10th with two in the bottom half to win 6-5. The Astros fell to 78-80 but remain division leaders with a magic number of 1. The Mariners improved to 74-84.
Final result
The Seattle Mariners beat the Houston Astros 6-5 in 10 innings on September 23, 2026, at T-Mobile Park. Houston took the lead with a run in the top of the 10th, and Seattle answered with two runs in the bottom half to end it.
Attendance was 24,802. Houston dropped to 78-80, and Seattle moved to 74-84.
How the game changed
Neither team scored through two innings. The third inning brought most of the offense: Houston scored four times, helped by a two-run home run from Yainer Diaz, and Seattle answered with three runs in the bottom half.
Seattle tied the game with a run in the fifth. From there, the pitching held on both sides through the ninth, sending the game to extra innings.
Houston pushed one run across in the top of the 10th. Seattle then scored two in the bottom of the inning for the walk-off win. The Mariners had no home runs in the game, while the Astros had one.
Key performances
Julio Rodríguez led Seattle with three hits in four at-bats and drove in two runs. Dominic Canzone had two hits in five at-bats and three RBIs.
Yainer Diaz drove in three runs for Houston, collecting two hits, including the home run, and scoring once. Jose Altuve had two hits, a run and an RBI, and Isaac Paredes added a hit and an RBI.
George Kirby pitched 5.0 innings for Seattle, striking out five and allowing four earned runs.
Season and playoff context
Even with the loss, Houston stands first in its division at 78-80 with a magic number of 1 as of September 23, 2026. One more Astros win or Mariners loss would secure the division title for Houston.
Seattle sits third in the division at 74-84, 4.0 games back, with an elimination number of 1. The Mariners are eighth in the wild-card race, 7.0 games back, and have been eliminated from wild-card contention.
Series context
This regular-season game was the second and final game of the series between the two clubs.