- Win rate
- 45.71%
- ROI
- -28.79%
- Graded games
- 35
MLB · American · AL West
Seattle Mariners As Underdog
- Win rate
- 37.14%
- ROI
- -20.85%
- Graded games
- 35
Only games with recorded DraftKings moneyline odds are included.
Mariners Monthly performance
+1.9%Sep · 2-1
-22.1%
-100%
-100%
-100%
-27.3%
-23.5%
+1.9%
Mar
1-1
1-1
Apr
0-1
0-1
May
0-1
0-1
Jun
0-1
0-1
Jul
4-5
4-5
Aug
9-9
9-9
Sep
2-1
2-1
Home / Away as Underdog ATS
Home
8-10-0
44.44%-32.83%
Away
8-9-0
47.06%-24.52%
Recent Games (2026)
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 2026-09-25 |  vs Angels | L 5-7 | ✗ | L | O |
| 2026-09-10 |  vs Rangers | W 4-3 | ✓ | W | P |
| 2026-09-02 |  @ Red Sox | W 8-3 | ✓ | W | O |
| 2026-08-31 | @ Red Sox | L 8-9 | ✓ | L | O |
| 2026-08-28 |  @ Blue Jays | L 1-8 | ✗ | L | O |
| 2026-08-26 |  vs Phillies | L 0-6 | ✗ | L | U |
| 2026-08-25 | vs Phillies | W 4-1 | ✓ | W | U |
| 2026-08-24 | vs Phillies | W 9-2 | ✓ | W | O |
| 2026-08-23 |  vs Cubs | L 2-19 | ✗ | L | O |
| 2026-08-22 | vs Cubs | W 5-4 | ✓ | W | O |
Frequently Asked Questions
What is the Seattle Mariners as underdog in 2026?
The Seattle Mariners are 16-19-0 (45.71%) as underdog in 2026 on DraftKings, with -28.79% ROI.
What is the Seattle Mariners home vs away as underdog?
Home: 8-10-0 (-32.83% ROI). Away: 8-9-0 (-24.52% ROI).
More Mariners Stats (2026)
Compare As Underdog
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: 2026-09-25.