The public often underestimates the Seattle Mariners in this spot. Since 2014, when playing as home underdog after a win, the Seattle Mariners hold a record of 80-21-0 against the spread. That's a 0.0% win rate and a +51.2% return on investment—meaning a bettor wagering $100 per game would be up $52 over this period.

🔥 Elite Edge
Record80-21-0
Win Rate0.0%
Sample Size101 games
ROI+51.2%
Units Won+51.7u
Time Period2014-2024

Year-by-Year Performance

SeasonRecordWin %ROI
20148-1-00.0%+69.7%
201515-3-00.0%+59.1%
20168-1-00.0%+69.7%
20175-2-00.0%+36.4%
20184-3-00.0%+9.1%
20198-2-00.0%+52.7%
20203-2-00.0%+14.6%
202110-3-00.0%+46.9%
20226-0-00.0%+90.9%
20235-2-00.0%+36.4%
20248-2-00.0%+52.7%

Why This Trend Exists

The Mariners' exceptional performance as home underdogs following wins stems from their unique organizational identity as a franchise that thrives when expectations are lowered. Seattle's clubhouse culture has historically embraced the underdog mentality, and when they're coming off a victory but still getting disrespected by oddsmakers at T-Mobile Park, it creates a perfect storm of motivation and value. This pattern reflects Seattle's ability to maintain momentum while benefiting from inflated opponent prices. The Mariners' pitching-first philosophy translates particularly well to home underdog spots, where their rotation can neutralize higher-priced opponents while their offense gets just enough support from the friendly confines of their ballpark. The combination of post-win confidence and bookmaker skepticism creates situations where Seattle is fundamentally undervalued. The psychological element cannot be understated – this franchise has endured decades of disappointment, making their players exceptionally resilient when facing adversity. When they're riding positive momentum but still catching plus-money at home, they consistently respond with focused, determined performances. This trend carries the most weight during the middle months of the season when sample sizes stabilize and the Mariners have established their identity, particularly in divisional matchups where familiarity breeds competitive balance.

Frequently Asked Questions

What is the Seattle Mariners's ATS record as home underdog after a win?

The Seattle Mariners have an outstanding 80-21-0 ATS record as home underdogs after a win from 2014-2024. This represents a 79.2% ATS win rate over 101 games.

Is betting on the Seattle Mariners as home underdog after a win profitable?

Yes, betting on the Mariners as home underdogs after a win has been highly profitable with a 51.2% ROI. This exceptional return demonstrates consistent value in this specific betting situation.

How does this compare to the league average?

This 79.2% ATS rate significantly exceeds the typical 50% league average for ATS performance. The Mariners' consistent success in this spot makes it one of the most profitable situational trends in baseball.

BACK This Trend

This trend shows a historically profitable pattern. Compare odds across sportsbooks to find the best line.

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Methodology

All trends in The Archives are calculated from official game results and closing point spreads from 2014 to 2024. ROI assumes a flat $100 bet at standard -110 juice. Win rate is calculated as wins divided by total decisions (pushes excluded). A minimum of 10 games is required for a trend to be published. Data is sourced from The Odds API and verified against official league records.