Houston Astros Lead Seattle Mariners 47-42 in Head-to-Head Matchups

MLB42-30-0 ATS (58.33%)Data through 2025-09-21

Mariners vs Astros Betting Record

Against the Spread
42-30-0
Win %
58.33%
ROI
+10.23%
Units
+7.4
Moneyline
42-47-0
Win %
47.19%
ROI
+0.54%
Units
+0.5
Over Rate
33-35-4
Win %
48.53%
ROI
-7.69%
Units
-5.2

From the Other Side — Astros vs Mariners

Against the Spread
30-42-0
Win %
41.67%
ROI
-18.4%
Units
-13.3
Moneyline
47-42-0
Win %
52.81%
ROI
-9.87%
Units
-8.8
Over Rate
33-35-4
Win %
48.53%
ROI
-7.69%
Units
-5.2

Venue Splits

Mariners Home
18-16-0 ATS
52.94% • +0.03%
21-19-0 ML (52.5%)
Astros Home
14-24-0 ATS
36.84% • -26%
28-21-0 ML (57.14%)

Scoring Averages

Mariners
3.9
PPG
4.2
allowed
Total
8.1
Avg
89
games
Astros
4.2
PPG
3.9
allowed

Recent Matchups

DateScoreATSMLO/U
09/21W 3-7WO
09/20W 4-6WO
09/19W 0-4WU
07/20L 3-11LO
07/19W 7-6WO
07/18W 6-1WP
05/25L 5-3LU
05/24L 2-1LU
05/23W 3-5WU
05/22L 9-2LO
04/09W 7-6WO
04/08L 1-2LU
04/07W 4-3WP
09/25W 1-8WO
09/24L 4-3LP
09/23W 1-6WU
07/21W 6-4WO
07/20L 2-4LU
07/19L 0-3LU
05/30L 0-4LU

Frequently Asked Questions

What is the Seattle Mariners vs Houston Astros all-time record?
The Seattle Mariners are 42-47 against the Houston Astros in head-to-head matchups.
What is the Seattle Mariners ATS record vs the Houston Astros?
The Seattle Mariners are 42-30-0 against the spread vs the Houston Astros on DraftKings, with +10.23% ROI.
Do Seattle Mariners vs Houston Astros games go over or under?
Seattle Mariners vs Houston Astros games average 8.1 total points. The Over has hit 48.53% of the time.

More Mariners Matchups

Head-to-head betting record for Seattle Mariners vs Houston Astros on LineTerminal. The Mariners are 42-47 straight up against the Astros and 42-30-0 against the spread (58.33% cover rate, +10.23% 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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