Seattle Mariners — Large Underdog (+7.5+)
ATS Record & ROI Analysis · 2014-2024 (10 Seasons)
The edge: The Seattle Mariners have been a profitable bet in this situation, covering at 94.5% over 201 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 | 20-1-0 | 95.2% | +17.2u | +81.8% |
| 2023 | 19-3-0 | 86.4% | +14.3u | +64.9% |
| 2022 | 18-1-0 | 94.7% | +15.4u | +80.9% |
| 2021 | 13-1-0 | 92.9% | +10.8u | +77.3% |
| 2020 | 17-0-0 | 100.0% | +15.4u | +90.9% |
| 2019 | 18-1-0 | 94.7% | +15.4u | +80.9% |
| 2018 | 12-0-0 | 100.0% | +10.9u | +90.9% |
| 2017 | 19-1-0 | 95.0% | +16.3u | +81.4% |
| 2016 | 13-0-0 | 100.0% | +11.8u | +90.9% |
| 2015 | 24-2-0 | 92.3% | +19.8u | +76.2% |
| 2014 | 17-1-0 | 94.4% | +14.4u | +80.3% |
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Compare SportsbooksFrequently Asked Questions
What is the Seattle Mariners ATS record large underdog (+7.5+)?
The Seattle Mariners are 190-11 ATS (94.5%) large underdog (+7.5+) since 2014, generating +161.7u.
Should I bet on the Seattle Mariners large underdog (+7.5+)?
Yes, this has been a profitable spot historically. The Seattle Mariners cover at 94.5% in this situation.
How consistent is this trend?
Over 11 seasons, the Seattle Mariners have been consistently profitable in this situation with +80.5% ROI.
Methodology: ATS records from 2014-2024 regular season. ROI assumes -110 odds. Data updated daily.