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Houston Astros 5–6 Seattle Mariners: match recap

HOUHouston AstrosWLLLW5
SEASeattle MarinersLWLWW6

FinalMLB · Start Sep 24, 2026, 2:10 AM UTC · Venue: T-Mobile Park

Houston Astros and Seattle Mariners finished 5–6 (MLB) on September 23, 2026. Below: the form, standings and head-to-head record both teams took into the game.

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Match recap

Seattle rallied past Houston 6-5 thanks to a seven-walk night and a three-run double from Dominic Canzone in the 7th inning, exposing the Astros' bullpen to brute force. Yainer Diaz's three-run homer had given Houston a lead, but command issues by Josh Hader and the Houston relief corps handed the game back to the Mariners.

Seattle overcame a 4-2 deficit in the 7th inning by drawing six walks against Houston's relievers, including four off Josh Hader alone, and turning those free passes into three runs. Dominic Canzone delivered the decisive blow with a bases-clearing double in the 7th, capping a three-run frame that put the Mariners ahead for good. Yainer Diaz had put Houston ahead with a three-run homer in the 5th, but the Astros' bullpen unraveled and the lineup managed just one hit after the 6th inning.

Key factors

  • Seattle drew seven walks to Houston's three, turning plate discipline into a critical edge in close game
  • Houston's bullpen command collapsed — Josh Hader issued four walks and allowed two inherited runs to score in the decisive 7th inning
  • Yainer Diaz's three-run homer was Houston's only extra-base hit, while Seattle's lineup executed with situational hitting (Canzone's bases-clearing double)

The Analyst's verdict

Seattle's bullpen depth and patience at the plate continue to be a winning formula, but the offense lacked the extra-base threat that Houston showed with Diaz's homer. Expect both teams to remain competitive in tight games, with pitching execution and plate discipline being the separating factors.

Matchup edge

Form edge: Seattle Mariners, 3-2 in the last 5 games against 2-3 for Houston Astros.

Matchup to watch: Houston Astros’ attack (index 99) against Seattle Mariners’ defence (index 99).

Matchup to watch: Seattle Mariners’ attack (index 90) against Houston Astros’ defence (index 106).

Recent form: last 5

Houston Astros: 2 wins and 3 losses in the last 5, with 20 runs scored and 18 conceded.

Houston Astros
Sep 22, 2026at Seattle MarinersW7–0
Sep 20, 2026vs Atlanta BravesL2–4
Sep 19, 2026vs Atlanta BravesL3–6
Sep 18, 2026vs Atlanta BravesL2–6
Sep 17, 2026vs Kansas City RoyalsW6–2

Seattle Mariners: 3 wins and 2 losses in the last 5, with 17 runs scored and 19 conceded.

Seattle Mariners
Sep 22, 2026vs Houston AstrosL0–7
Sep 20, 2026at Colorado RockiesW2–1
Sep 19, 2026at Colorado RockiesL3–5
Sep 18, 2026at Colorado RockiesW5–4
Sep 16, 2026at Los Angeles AngelsW7–2

Results before kickoff, newest first.

Head-to-head

In the last 5 meetings on record, Houston Astros won 2, Seattle Mariners won 3.

Sep 22, 2026Seattle Mariners0–7Houston Astros
Aug 16, 2026Houston Astros2–3Seattle Mariners
Aug 15, 2026Houston Astros5–10Seattle Mariners
Aug 14, 2026Houston Astros10–7Seattle Mariners
May 14, 2026Houston Astros3–8Seattle Mariners

Season so far

Houston Astros are 14th of 30 on win rate after 157 games (78-79).

Seattle Mariners are 23rd of 30 on win rate after 157 games (73-84).

#TeamPWLRuns
14Houston Astros1577879695:747
23Seattle Mariners1577384634:697

Team season model

  • Houston Astros attack index 99: 1% less scoring per game than the league average.
  • Houston Astros defence index 106: 6% more conceded per game than the league average.
  • Seattle Mariners attack index 90: 10% less scoring per game than the league average.
  • Seattle Mariners defence index 99: 1% less conceded per game than the league average.

Index 100 is the league average per game. Above 100 in attack means more scoring; below 100 in defence means fewer conceded.

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