Seattle Mariners Lead Houston Astros 51-49 in Head-to-Head Matchups

MLB33-50-0 ATS (39.76%)

The Houston Astros are 49-51 against the Seattle Mariners in head-to-head matchups, going 33-50-0 ATS (39.76% cover rate) with -22.12% ROI. Games average 8.4 total points. Closing lines from DraftKings, FanDuel, and BetMGM, graded against official MLB box scores.

See methodology.

Astros vs Mariners Betting Record

Against the Spread
33-50-0
Win %
39.76%
ROI
-22.12%
Units
-18.4
Moneyline
49-51-0
Win %
49%
ROI
-15.87%
Units
-15.9
Over Rate
40-39-4
Win %
50.63%
ROI
-3.32%
Units
-2.6

From the Other Side — Mariners vs Astros

Against the Spread
50-33-0
Win %
60.24%
ROI
+15.12%
Units
+12.6
Moneyline
51-49-0
Win %
51%
ROI
+5.13%
Units
+5.1
Over Rate
40-39-4
Win %
50.63%
ROI
-3.32%
Units
-2.6

Venue Splits

Astros Home
16-29-0 ATS
35.56% • -27.98%
30-26-0 ML (53.57%)
Mariners Home
21-17-0 ATS
55.26% • +7.55%
25-19-0 ML (56.82%)

Scoring Averages

Astros
4.2
PPG
4.2
allowed
Total
8.4
Avg
100
games
Mariners
4.2
PPG
4.2
allowed

Recent Matchups

DateScoreATSMLO/U
08/16L 2-3LU
08/15L 5-10LO
08/14W 10-7WO
05/14L 3-8LO
05/13W 4-3WU
05/12L 2-10LO
05/11L 1-3LU
04/13L 6-2LO
04/12L 6-1LU
04/11L 8-7LO
04/10L 9-6LO
09/21L 3-7LO
09/20L 4-6LO
09/19L 0-4LU
07/20W 3-11WO
07/19L 7-6LO
07/18L 6-1LP
05/25W 5-3WU
05/24W 2-1WU
05/23L 3-5LU

Frequently Asked Questions

What is the Houston Astros vs Seattle Mariners all-time record?
The Houston Astros are 49-51 against the Seattle Mariners in head-to-head matchups.
What is the Houston Astros ATS record vs the Seattle Mariners?
The Houston Astros are 33-50-0 against the spread vs the Seattle Mariners on DraftKings, with -22.12% ROI.
Do Houston Astros vs Seattle Mariners games go over or under?
Houston Astros vs Seattle Mariners games average 8.4 total points. The Over has hit 50.63% of the time.

More Astros Matchups

Head-to-head betting record for Houston Astros vs Seattle Mariners on LineTerminal. The Astros are 49-51 straight up against the Mariners and 33-50-0 against the spread (39.76% cover rate, -22.12% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.

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