- Win rate
- 54.1%
- ROI
- +0.62%
- Graded games
- 61
MLB · American · AL West
Seattle Mariners ATS Record
Mariners Monthly performance
-31.7%Oct · 1-2
-2.8%
-4.5%
+11.1%
-31.7%
Jul
6-5
6-5
Aug
12-11
12-11
Sep
14-10
14-10
Oct
1-2
1-2
Home / Away ATS
Home
12-17-0
41.38%-22.99%
Away
21-11-0
65.63%+22%
Favorite / Underdog ATS
As Favorite
9-17-0
34.62%-24%
As Underdog
24-11-0
68.57%+18.9%
Recent Games (2021)
| Date | Opponent | Score | ATS |
|---|---|---|---|
| 2021-10-03 |  vs Angels | L 3-7 | ✗ |
| 2021-10-02 | vs Angels | W 6-4 | ✓ |
| 2021-10-01 | vs Angels | L 1-2 | ✗ |
| 2021-09-28 |  vs Athletics | W 4-2 | ✓ |
| 2021-09-27 | vs Athletics | W 13-4 | ✓ |
| 2021-09-26 | @ Angels | W 5-1 | ✓ |
| 2021-09-25 | @ Angels | L 1-14 | ✗ |
| 2021-09-24 | @ Angels | W 6-5 | ✗ |
| 2021-09-23 | @ Athletics | W 6-5 | ✓ |
| 2021-09-22 | @ Athletics | W 4-1 | ✓ |
Frequently Asked Questions
What is the Seattle Mariners against-the-spread record in 2021?
The Seattle Mariners are 33-28-0 (54.1%) against-the-spread record in 2021 on DraftKings, with +0.62% ROI.
What is the Seattle Mariners home vs away against-the-spread record?
Home: 12-17-0 (-22.99% ROI). Away: 21-11-0 (+22% ROI).
More Mariners Stats (2021)
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: 2021-10-03.