Seattle Mariners Betting Record — 2026
Against the Spread
36-57-0
Win%
38.71%
ROI
-12.86%
Units
-12.0
Moneyline
47-46-0
Win%
50.54%
ROI
-13.97%
Units
-13.0
Over Rate
44-46-3
Win%
48.89%
ROI
-6.46%
Units
-5.8
Mariners Monthly Performance
-13%36-57 · -12.1u
+3.8%
-20.6%
-8.9%
-10%
-25.1%
Mar
3-3
3-3
Apr
9-17
9-17
May
11-17
11-17
Jun
10-16
10-16
Jul
3-4
3-4
Top Betting AngleMin. 10 games
Mariners Fade Mariners ATS: 57-36-0
Win %: 61.29%ROI: +3.71%93 games
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Mariners Home / Away Splits
Home
ATSAgainst the Spread
19-27-0-5.18%
MLMoneyline
27-19-0-2.59%
O/UOver Rate
22-23-1-6.44%
Away
ATSAgainst the Spread
17-30-0-20.39%
MLMoneyline
20-27-0-25.11%
O/UOver Rate
22-23-2-6.48%
Mariners as Favorite / Underdog
As Favorite
ATSAgainst the Spread
33-52-0-10.03%
MLMoneyline
45-40-0-10.44%
As Underdog
ATSAgainst the Spread
3-5-0-43%
MLMoneyline
2-6-0-51.5%
Betting Against the Mariners
What happens when you fade the Mariners and bet on their opponent every game?
Fade Against the Spread
57-36-0
Win%
61.29%
ROI
+3.71%
Units
+3.5
Fade Moneyline
46-47-0
Win%
49.46%
ROI
+2.7%
Units
+2.5
Mariners Recent Games
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 2026-07-09 |  @ Marlins | L 8-4 | ✗ | L | O |
| 2026-07-08 | @ Marlins | L 2-0 | ✗ | L | U |
| 2026-07-07 | @ Marlins | L 6-5 | ✓ | L | O |
| 2026-07-05 |  vs Blue Jays | W 4-0 | ✓ | W | U |
| 2026-07-04 | vs Blue Jays | W 11-0 | ✓ | W | O |
| 2026-07-03 | vs Blue Jays | L 0-2 | ✗ | L | U |
| 2026-07-02 |  vs Angels | W 1-0 | ✗ | W | U |
| 2026-06-30 | vs Angels | W 8-3 | ✓ | W | O |
| 2026-06-29 | vs Angels | W 6-2 | ✓ | W | O |
| 2026-06-28 |  @ Guardians | L 6-5 | ✗ | L | O |
Mariners Player Props
Seattle Mariners Player Prop Performance
Historical hit rates for every Mariners player — hits, home runs, RBIs, strikeouts.
Mariners Head-to-Head Matchups
AL West Standings
| Moneyline | ATS | Over/Under | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| # | Team | Record | Win% | ROI | Record | Win% | ROI | Record | Win% | ROI |
| 1 |  TEXRangers | 47-45-0 | 51.09% | -1.22% | 43-49-0 | 46.74% | -10.13% | 44-42-6 | 51.16% | -1.75% |
| 2 |  SEAMariners | 47-46-0 | 50.54% | -13.97% | 36-57-0 | 38.71% | -12.86% | 44-46-3 | 48.89% | -6.46% |
| 3 |  HOUAstros | 46-49-0 | 48.42% | -2.25% | 45-50-0 | 47.37% | -13.85% | 49-40-6 | 55.06% | +6.46% |
| 4 |  OAKAthletics | 41-52-0 | 44.09% | -10.12% | 45-48-0 | 48.39% | -14.59% | 44-45-4 | 49.44% | -5.82% |
| 5 |  LAAAngels | 37-57-0 | 39.36% | -15.41% | 49-45-0 | 52.13% | -7.73% | 46-47-1 | 49.46% | -5.69% |
Frequently Asked Questions
What is the Seattle Mariners record against the spread?
The Seattle Mariners are 36-57-0 against the spread in 2026 on DraftKings, with a 38.71% cover rate and -12.86% ROI.
What is the Seattle Mariners home and away ATS record?
At home, the Seattle Mariners are 19-27-0 ATS (-5.18% ROI). On the road, they are 17-30-0 ATS (-20.39% ROI).
How do the Seattle Mariners perform as favorites vs underdogs ATS?
As favorites, the Seattle Mariners are 33-52-0 ATS (38.82% cover rate). As underdogs, they are 3-5-0 ATS (37.5% cover rate).
What is the Seattle Mariners moneyline record?
The Seattle Mariners are 47-46-0 straight up (moneyline) in 2026, with a 50.54% win rate and -13.97% ROI on DraftKings.
Inside Edge