Seattle Mariners Betting Record — 2026
Against the Spread
35-55-0
Win%
38.89%
ROI
-11.6%
Units
-10.4
Moneyline
47-43-0
Win%
52.22%
ROI
-11.1%
Units
-10.0
Over Rate
42-45-3
Win%
48.28%
ROI
-7.65%
Units
-6.7
Mariners Monthly Performance
-11.7%35-55 · -10.5u
+3.8%
-20.6%
-8.9%
-10%
-6%
Mar
3-3
3-3
Apr
9-17
9-17
May
11-17
11-17
Jun
10-16
10-16
Jul
2-2
2-2
Top Betting AngleMin. 10 games
Mariners Fade Mariners ATS: 55-35-0
Win %: 61.11%ROI: +3.52%90 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
16-28-0-18.33%
MLMoneyline
20-24-0-20%
O/UOver Rate
20-22-2-8.95%
Mariners as Favorite / Underdog
As Favorite
ATSAgainst the Spread
33-50-0-7.86%
MLMoneyline
45-38-0-8.28%
As Underdog
ATSAgainst the Spread
2-5-0-56.01%
MLMoneyline
2-5-0-44.57%
Betting Against the Mariners
What happens when you fade the Mariners and bet on their opponent every game?
Fade Against the Spread
55-35-0
Win%
61.11%
ROI
+3.52%
Units
+3.2
Fade Moneyline
43-47-0
Win%
47.78%
ROI
-0.46%
Units
-0.4
Mariners Recent Games
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 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 |
| 2026-06-27 | @ Guardians | L 4-3 | ✗ | L | U |
| 2026-06-26 | @ Guardians | W 1-3 | ✓ | W | U |
| 2026-06-25 |  @ Pirates | L 5-1 | ✗ | L | U |
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 |  SEAMariners | 47-43-0 | 52.22% | -11.1% | 35-55-0 | 38.89% | -11.6% | 42-45-3 | 48.28% | -7.65% |
| 2 |  TEXRangers | 45-44-0 | 50.56% | -1.59% | 42-47-0 | 47.19% | -9.75% | 41-42-6 | 49.4% | -5.15% |
| 3 |  HOUAstros | 45-48-0 | 48.39% | -2.24% | 44-49-0 | 47.31% | -14.68% | 49-39-5 | 55.68% | +7.67% |
| 4 |  OAKAthletics | 41-49-0 | 45.56% | -7.12% | 45-45-0 | 50% | -11.74% | 44-42-4 | 51.16% | -2.53% |
| 5 |  LAAAngels | 36-55-0 | 39.56% | -14.98% | 47-44-0 | 51.65% | -8.07% | 43-47-1 | 47.78% | -8.95% |
Frequently Asked Questions
What is the Seattle Mariners record against the spread?
The Seattle Mariners are 35-55-0 against the spread in 2026 on DraftKings, with a 38.89% cover rate and -11.6% 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 16-28-0 ATS (-18.33% ROI).
How do the Seattle Mariners perform as favorites vs underdogs ATS?
As favorites, the Seattle Mariners are 33-50-0 ATS (39.76% cover rate). As underdogs, they are 2-5-0 ATS (28.57% cover rate).
What is the Seattle Mariners moneyline record?
The Seattle Mariners are 47-43-0 straight up (moneyline) in 2026, with a 52.22% win rate and -11.1% ROI on DraftKings.
Inside Edge