Astros vs Mariners Betting Record — 2026
Against the Spread
3-8-0
Win %
27.27%
ROI
-46.49%
Units
-5.1
Moneyline
2-9-0
Win %
18.18%
ROI
-64.36%
Units
-7.1
Over Rate
7-4-0
Win %
63.64%
ROI
+23.71%
Units
+2.6
From the Other Side — Mariners vs Astros
Against the Spread
8-3-0
Win %
72.73%
ROI
+47.12%
Units
+5.2
Moneyline
9-2-0
Win %
81.82%
ROI
+42.29%
Units
+4.7
Over Rate
7-4-0
Win %
63.64%
ROI
+23.71%
Units
+2.6
Venue Splits
Astros Home
2-5-0 ATS
28.57% • -38.7%
2-5-0 ML (28.57%)
Mariners Home
3-1-0 ATS
75% • +71.5%
4-0-0 ML (100%)
Scoring Averages
Astros
3.9
PPG
6.6
allowed
Total
10.5
Avg
11
games
Mariners
6.6
PPG
3.9
allowed
Recent Matchups (2026)
| Date | Score | ATS | ML | O/U |
|---|---|---|---|---|
| 08/162026-08-16 | L 2-3 | ✗ | L | U |
| 08/152026-08-15 | L 5-10 | ✗ | L | O |
| 08/142026-08-14 | W 10-7 | ✓ | W | O |
| 05/142026-05-14 | L 3-8 | ✗ | L | O |
| 05/132026-05-13 | W 4-3 | ✓ | W | U |
| 05/122026-05-12 | L 2-10 | ✗ | L | O |
| 05/112026-05-11 | L 1-3 | ✗ | L | U |
| 04/132026-04-13 | L 6-2 | ✗ | L | O |
| 04/122026-04-12 | L 6-1 | ✗ | L | U |
| 04/112026-04-11 | L 8-7 | ✓ | L | O |
| 04/102026-04-10 | L 9-6 | ✗ | L | O |
Frequently Asked Questions
What is the Houston Astros vs Seattle Mariners 2026 record?
The Houston Astros are 2-9 against the Seattle Mariners in 2026 in head-to-head matchups.
What is the Houston Astros ATS record vs the Seattle Mariners?
The Houston Astros are 3-8-0 against the spread vs the Seattle Mariners in 2026 on DraftKings, with -46.49% ROI.
Do Houston Astros vs Seattle Mariners games go over or under?
Houston Astros vs Seattle Mariners games average 10.5 total points in 2026. The Over has hit 63.64% of the time.
