- Win rate
- 55.93%
- ROI
- +6.5%
- Graded games
- 61
MLB · American · AL West
Seattle Mariners Over/Under Record
Mariners Monthly performance
+27.4%Oct · 2-1
+20.8%
-27.9%
+30.3%
+27.4%
Jul
7-4
7-4
Aug
8-14-1
8-14-1
Sep
16-7-1
16-7-1
Oct
2-1
2-1
Home / Away O/U
Home
18-11-0
62.07%+18.04%
Away
15-15-2
50%-3.96%
Recent Games (2021)
| Date | Opponent | Score | O/U |
|---|---|---|---|
| 2021-10-03 |  vs Angels | L 3-7 | O |
| 2021-10-02 | vs Angels | W 6-4 | O |
| 2021-10-01 | vs Angels | L 1-2 | U |
| 2021-09-28 |  vs Athletics | W 4-2 | U |
| 2021-09-27 | vs Athletics | W 13-4 | O |
| 2021-09-26 | @ Angels | W 5-1 | U |
| 2021-09-25 | @ Angels | L 1-14 | O |
| 2021-09-24 | @ Angels | W 6-5 | O |
| 2021-09-23 | @ Athletics | W 6-5 | O |
| 2021-09-22 | @ Athletics | W 4-1 | U |
Frequently Asked Questions
What is the Seattle Mariners over/under record in 2021?
The Seattle Mariners are 33-26-2 (55.93%) over/under record in 2021 on DraftKings, with +6.5% ROI.
What is the Seattle Mariners home vs away over/under record?
Home: 18-11-0 (+18.04% ROI). Away: 15-15-2 (-3.96% ROI).
More Mariners Stats (2021)
Compare Over/Under 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.