AstrosAway5
MarinersHome6Run lineCoverFav -1.5
MoneylineLoss
TotalOver7.5
MLB · Head to head
Astros vs Mariners
All recorded seasonsLast meeting Sep 23, 2026
Betting comparison
All seasons
Astros
85 bets35-50-0Wins · Losses · Pushes
- Win rate
- 41.18%
- ROI
- -20.4%
- Units
- -17.34u
Mariners
85 bets50-35-0Wins · Losses · Pushes
- Win rate
- 58.82%
- ROI
- +12.41%
- Units
- +10.55u
Closing lines · Flat 1u per bet · Methodology
Scoring per game
Average runsAstros4.2
Mariners4.1
Combined8.4
Recent meetings
Bet results from the Astros perspective. Spread values show the favorite’s closing line.
AstrosAway5MarinersHome6AstrosAway7MarinersHome0Run lineCoverFav -1.5
MoneylineWin
TotalPush7
MarinersAway3AstrosHome2Run lineMissFav -1.5
MoneylineLoss
TotalUnder7.5
MarinersAway10AstrosHome5Run lineMissFav -1.5
MoneylineLoss
TotalOver8.5
MarinersAway7AstrosHome10Run lineCoverFav -1.5
MoneylineWin
TotalOver8
More Astros matchups
About this matchup
What is the Houston Astros vs Seattle Mariners all-time record?
The Houston Astros are 50-52 against the Seattle Mariners in head-to-head matchups.
What is the Houston Astros ATS record vs the Seattle Mariners?
The Houston Astros are 35-50-0 against the spread vs the Seattle Mariners on DraftKings, with -20.4% ROI.
Do Houston Astros vs Seattle Mariners games go over or under?
Houston Astros vs Seattle Mariners games average 8.4 total runs. The Over has hit 51.25% of the time.