- Win rate
- 44.83%
- ROI
- -11.17%
- Graded games
- 174
MLB · American · AL West
Seattle Mariners ATS Record
Mariners Monthly performance
-2.8%Oct · 7-5
-55.2%
+20.4%
-21.4%
-34.6%
-12.4%
-25.4%
+14.9%
-2.8%
Mar
1-4
1-4
Apr
15-10
15-10
May
11-16
11-16
Jun
9-18
9-18
Jul
11-15
11-15
Aug
10-17
10-17
Sep
14-11
14-11
Oct
7-5
7-5
Home / Away ATS
Home
41-46-0
47.13%-9.51%
Away
37-50-0
42.53%-12.83%
Favorite / Underdog ATS
As Favorite
47-78-0
37.6%-15.81%
As Underdog
31-18-0
63.27%+0.67%
Recent Games (2025)
| Date | Opponent | Score | ATS |
|---|---|---|---|
| 2025-10-20 |  @ Blue Jays | L 3-4 | ✓ |
| 2025-10-19 | @ Blue Jays | L 2-6 | ✗ |
| 2025-10-17 | vs Blue Jays | W 6-2 | ✓ |
| 2025-10-16 | vs Blue Jays | L 2-8 | ✗ |
| 2025-10-15 | vs Blue Jays | L 4-13 | ✗ |
| 2025-10-13 | @ Blue Jays | W 10-3 | ✓ |
| 2025-10-12 | @ Blue Jays | W 3-1 | ✓ |
| 2025-10-10 |  vs Tigers | W 3-2 | ✓ |
| 2025-10-08 | @ Tigers | L 3-9 | ✗ |
| 2025-10-07 | @ Tigers | W 8-4 | ✓ |
Frequently Asked Questions
What is the Seattle Mariners against-the-spread record in 2025?
The Seattle Mariners are 78-96-0 (44.83%) against-the-spread record in 2025 on DraftKings, with -11.17% ROI.
What is the Seattle Mariners home vs away against-the-spread record?
Home: 41-46-0 (-9.51% ROI). Away: 37-50-0 (-12.83% ROI).
More Mariners Stats (2025)
Compare ATS Record
Data and season archive
Records use DraftKings closing lines and each market’s graded sample. Win rates exclude pushes; ROI uses flat one-unit bets. Each split can have a different sample. Latest recorded game: 2025-10-20.