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MLBHead-to-Head2026 Season

Houston Astros vs Seattle Mariners · 2026 Season

Last updated: April 15, 2026

4 meetings tracked · closing-line graded

Across 4 2026 season meetings, Seattle Mariners lead 4-0. Games have averaged 11.3 combined points.

RECORD

0-4

MEETINGS

4

ATS

1-3

O / U

3-1

Key Insights

  • Seattle Mariners lead 4-0 across 4 tracked meetings.
  • Games have averaged 11.3 combined points.
  • Seattle Mariners have been the better ATS side (3-1).
  • Strong Over trend: 3-1 O/U.

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Frequently Asked Questions

What is the Houston Astros vs Seattle Mariners record all-time?

Across 4 all-time meetings, the Seattle Mariners lead the series 4-0.

What is the ATS trend in Houston Astros vs Seattle Mariners games?

ATS: Houston Astros are 1-3 vs the spread in these matchups. Seattle Mariners are 3-1.

Do Houston Astros vs Seattle Mariners games go over or under?

Over/under: games between Houston Astros and Seattle Mariners have gone over 3 times and under 1 times, with an average combined score of 11.3.

When did Houston Astros and Seattle Mariners last play?

See Last Meetings section for detailed score, spread, and total data from the most recent Houston Astros vs Seattle Mariners games.

Where can I see the 5-year Houston Astros vs Seattle Mariners history?

A 5-year head-to-head page tracks every Houston Astros vs Seattle Mariners meeting from the last five full seasons. Link at the bottom of this page.

Head-to-head data derived from closing-line game records. Stats update nightly from graded game results.

For informational and entertainment purposes only. Not betting advice. Please gamble responsibly.

Optimus

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