Seattle Mariners Betting Record — 2026
Against the Spread
49-81-0
Win%
37.69%
ROI
-18.52%
Units
-24.1
Moneyline
62-68-0
Win%
47.69%
ROI
-15.78%
Units
-20.5
Over Rate
66-57-7
Win%
53.66%
ROI
+2.3%
Units
+2.8
Mariners Monthly Performance
-18.5%49-81 · -24.1u
+3.8%
-20.6%
-8.9%
-13.3%
-33.5%
-25.5%
Mar
3-3
3-3
Apr
9-17
9-17
May
11-17
11-17
Jun
10-17
10-17
Jul
8-16
8-16
Aug
8-11
8-11
Top Betting AngleMin. 10 games
Mariners Fade Mariners ATS: 81-49-0
Win %: 62.31%ROI: +10.36%130 games
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Mariners Home / Away Splits
Home
ATSAgainst the Spread
25-39-0-14.13%
MLMoneyline
35-29-0-8.78%
O/UOver Rate
31-29-4-1.62%
Away
ATSAgainst the Spread
24-42-0-22.78%
MLMoneyline
27-39-0-22.57%
O/UOver Rate
35-28-3+6.03%
Mariners as Favorite / Underdog
As Favorite
ATSAgainst the Spread
38-66-0-14.7%
MLMoneyline
53-51-0-13.57%
As Underdog
ATSAgainst the Spread
11-15-0-33.83%
MLMoneyline
9-17-0-24.63%
Betting Against the Mariners
What happens when you fade the Mariners and bet on their opponent every game?
Fade Against the Spread
81-49-0
Win%
62.31%
ROI
+10.36%
Units
+13.5
Fade Moneyline
68-62-0
Win%
52.31%
ROI
+6.98%
Units
+9.1
Mariners Recent Games
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 2026-08-22 |  vs Cubs | W 5-4 | ✓ | W | O |
| 2026-08-21 | vs Cubs | W 6-5 | ✓ | W | O |
| 2026-08-20 |  @ Brewers | L 7-4 | ✗ | L | O |
| 2026-08-19 | @ Brewers | W 5-7 | ✓ | W | O |
| 2026-08-18 | @ Brewers | L 22-0 | ✗ | L | O |
| 2026-08-16 |  @ Astros | W 2-3 | ✓ | W | U |
| 2026-08-15 | @ Astros | W 5-10 | ✓ | W | O |
| 2026-08-14 | @ Astros | L 10-7 | ✗ | L | O |
| 2026-08-13 |  @ Yankees | W 0-1 | ✓ | W | U |
| 2026-08-12 | @ Yankees | L 10-5 | ✗ | 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 |  HOUAstros | 65-65-0 | 50% | -1.63% | 64-66-0 | 49.23% | -5.98% | 67-56-7 | 54.47% | +4.97% |
| 2 |  TEXRangers | 64-66-0 | 49.23% | -5.9% | 56-74-0 | 43.08% | -17% | 62-60-8 | 50.82% | -2.92% |
| 3 |  SEAMariners | 62-68-0 | 47.69% | -15.78% | 49-81-0 | 37.69% | -18.52% | 66-57-7 | 53.66% | +2.3% |
| 4 |  LAAAngels | 52-78-0 | 40% | -12.48% | 68-62-0 | 52.31% | -7.99% | 53-75-2 | 41.41% | -21.02% |
| 5 |  OAKAthletics | 50-80-0 | 38.46% | -18.5% | 60-70-0 | 46.15% | -18.82% | 63-61-6 | 50.81% | -2.96% |
Frequently Asked Questions
What is the Seattle Mariners record against the spread?
The Seattle Mariners are 49-81-0 against the spread in 2026 on DraftKings, with a 37.69% cover rate and -18.52% ROI.
What is the Seattle Mariners home and away ATS record?
At home, the Seattle Mariners are 25-39-0 ATS (-14.13% ROI). On the road, they are 24-42-0 ATS (-22.78% ROI).
How do the Seattle Mariners perform as favorites vs underdogs ATS?
As favorites, the Seattle Mariners are 38-66-0 ATS (36.54% cover rate). As underdogs, they are 11-15-0 ATS (42.31% cover rate).
What is the Seattle Mariners moneyline record?
The Seattle Mariners are 62-68-0 straight up (moneyline) in 2026, with a 47.69% win rate and -15.78% ROI on DraftKings.
