Inside Edge
Seattle Mariners Betting Record — 2026
Against the Spread
4-5-0
Win%
44.44%
ROI
-8.35%
Units
-0.8
Moneyline
4-5-0
Win%
44.44%
ROI
-24.15%
Units
-2.2
Over Rate
4-5-0
Win%
44.44%
ROI
-13.38%
Units
-1.2
Mariners Monthly Performance
-8.9%4-5 · -0.8u
+3.8%
-32.7%
Mar
3-3
3-3
Apr
1-2
1-2
Mariners Home / Away Splits
Home
ATSAgainst the Spread
3-4-0-11.02%
MLMoneyline
3-4-0-25.52%
O/UOver Rate
4-3-0+11.37%
Away
ATSAgainst the Spread
1-1-0+1%
MLMoneyline
1-1-0-19.33%
O/UOver Rate
0-2-0-100%
Mariners as Favorite / Underdog
As Favorite
Against the Spread
3-3-0+11.5%
Moneyline
3-3-0-19.07%
As Underdog
Against the Spread
1-2-0-48.04%
Moneyline
1-2-0-34.3%
Betting Against the Mariners
What happens when you fade the Mariners and bet on their opponent every game?
Fade Against the Spread
5-4-0
Win%
55.56%
ROI
+14%
Units
+1.3
Fade Moneyline
5-4-0
Win%
55.56%
ROI
+23.26%
Units
+2.1
Mariners Recent Games
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 2026-04-04 |  @ Angels | L 1-0 | ✗ | L | U |
| 2026-04-03 | @ Angels | W 1-3 | ✓ | W | U |
| 2026-04-01 |  vs Yankees | L 3-5 | ✗ | L | O |
| 2026-03-31 | vs Yankees | L 0-5 | ✗ | L | U |
| 2026-03-30 | vs Yankees | W 2-1 | ✓ | W | U |
| 2026-03-29 |  vs Guardians | W 8-0 | ✓ | W | O |
| 2026-03-28 | vs Guardians | L 5-6 | ✗ | L | O |
| 2026-03-27 | vs Guardians | W 5-1 | ✓ | W | U |
| 2026-03-26 | vs Guardians | L 4-6 | ✗ | 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 |  Astros | 6-3-0 | 66.67% | +25.22% | 6-3-0 | 66.67% | +42.25% | 7-2-0 | 77.78% | +50.03% |
| 2 |  Rangers | 4-4-0 | 50% | +5.3% | 4-4-0 | 50% | -12.13% | 4-2-2 | 66.67% | +23.45% |
| 3 |  Angels | 4-5-0 | 44.44% | +3% | 4-5-0 | 44.44% | -25.58% | 3-6-0 | 33.33% | -33.05% |
| 4 |  Mariners | 4-5-0 | 44.44% | -24.15% | 4-5-0 | 44.44% | -8.35% | 4-5-0 | 44.44% | -13.38% |
| 5 |  Athletics | 2-6-0 | 25% | -47.51% | 4-4-0 | 50% | -16.36% | 3-5-0 | 37.5% | -29.97% |
Frequently Asked Questions
What is the Seattle Mariners record against the spread?
The Seattle Mariners are 4-5-0 against the spread in 2026 on DraftKings, with a 44.44% cover rate and -8.35% ROI.
What is the Seattle Mariners home and away ATS record?
At home, the Seattle Mariners are 3-4-0 ATS (-11.02% ROI). On the road, they are 1-1-0 ATS (+1% ROI).
How do the Seattle Mariners perform as favorites vs underdogs ATS?
As favorites, the Seattle Mariners are 3-3-0 ATS (50% cover rate). As underdogs, they are 1-2-0 ATS (33.33% cover rate).
What is the Seattle Mariners moneyline record?
The Seattle Mariners are 4-5-0 straight up (moneyline) in 2026, with a 44.44% win rate and -24.15% ROI on DraftKings.