Seattle Mariners — Medium Underdog (+3.5 to +7)
ATS Record & ROI Analysis · 2014-2024 (10 Seasons)
The edge: The Seattle Mariners have been a profitable bet in this situation, covering at 80.0% over 150 games.
10-Year Performance
Cumulative Units Won (2014-2024)
Win Rate by Season
Units by Season
Season-by-Season Breakdown
| Season | Record | Win % | Units | ROI |
|---|---|---|---|---|
| 2024 | 8-3-0 | 72.7% | +4.3u | +38.8% |
| 2023 | 10-2-0 | 83.3% | +7.1u | +59.1% |
| 2022 | 7-5-0 | 58.3% | +1.4u | +11.4% |
| 2021 | 17-3-0 | 85.0% | +12.4u | +62.3% |
| 2020 | 12-2-0 | 85.7% | +8.9u | +63.6% |
| 2019 | 17-2-0 | 89.5% | +13.4u | +70.8% |
| 2018 | 10-3-0 | 76.9% | +6.1u | +46.9% |
| 2017 | 8-4-0 | 66.7% | +3.3u | +27.3% |
| 2016 | 12-3-0 | 80.0% | +7.9u | +52.7% |
| 2015 | 13-1-0 | 92.9% | +10.8u | +77.3% |
| 2014 | 6-2-0 | 75.0% | +3.5u | +43.2% |
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Compare SportsbooksFrequently Asked Questions
What is the Seattle Mariners ATS record medium underdog (+3.5 to +7)?
The Seattle Mariners are 120-30 ATS (80.0%) medium underdog (+3.5 to +7) since 2014, generating +79.1u.
Should I bet on the Seattle Mariners medium underdog (+3.5 to +7)?
Yes, this has been a profitable spot historically. The Seattle Mariners cover at 80.0% in this situation.
How consistent is this trend?
Over 11 seasons, the Seattle Mariners have been consistently profitable in this situation with +52.7% ROI.
Methodology: ATS records from 2014-2024 regular season. ROI assumes -110 odds. Data updated daily.