Houston Astros vs Seattle Mariners · 2026 Season
Last updated: April 15, 2026
13 meetings tracked · closing-line graded
Across 13 2026 season meetings, Seattle Mariners lead 10-3. Games have averaged 10.3 combined points.
RECORD
3-10
MEETINGS
13
ATS
5-8
O / U
8-4
Key Insights
- ▸Seattle Mariners lead 10-3 across 13 tracked meetings.
- ▸Games have averaged 10.3 combined points.
- ▸Seattle Mariners have been the better ATS side (8-5).
- ▸Strong Over trend: 8-4 O/U.
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Frequently Asked Questions
What is the Houston Astros vs Seattle Mariners record all-time?▾
Across 13 all-time meetings, the Seattle Mariners lead the series 10-3.
What is the ATS trend in Houston Astros vs Seattle Mariners games?▾
ATS: Houston Astros are 5-8 vs the spread in these matchups. Seattle Mariners are 8-5.
Do Houston Astros vs Seattle Mariners games go over or under?▾
Over/under: games between Houston Astros and Seattle Mariners have gone over 8 times and under 4 times, with an average combined score of 10.3.
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.