Guardians vs. Mariners Prediction: Seattle Predicted to Win Sunday's MLB Matchup [6/15/2025]

The Seattle Mariners and Cleveland Guardians are scheduled to meet in MLB action at T-Mobile Park on Sunday, starting at 4:10PM ET.

The Mariners will have Emerson Hancock (2-2, 5.04 ERA) as their starting pitcher, while the Guardians are going with Luis L. Ortiz (3-7, 4.26 ERA).

Based on the latest simulations, Dimers' advanced MLB model (see Dimers Pro for full access) predicts the Mariners as the most likely winner of today's game.

"Using the most recent data, our experts ran 10,000 simulations of Sunday's Cleveland-Seattle game," said Dimers' Chief Content Officer, Nick Slade.

"After accounting for recent updates and other variables, our prediction shows the Mariners with a win probability of 52%, while the Guardians have 48%."

For further insights into Sunday's matchup, including best bets and picks, visit our interactive Guardians vs. Mariners predictions page.

Mariners vs. Guardians Prediction: Who Will Win, Cover the Run Line?

Using powerful machine learning and data, we have simulated the result of Sunday's MLB matchup between the Guardians and Mariners 10,000 times as part of our MLB predictions coverage.

Our famous predictive model gives the Mariners a 52% chance of beating the Guardians.

According to our model, the Guardians (+1.5) have a 67% chance of covering the run line, while the 8-run over/under has a 52% chance of going over.

Guardians vs. Mariners Odds [6/15/2025]

We have sourced the best MLB odds in America for this game, which are listed here:

Bet Type	Guardians	Mariners
Run Line	+1.5 (-196)	-1.5 (+170)
Moneyline	+102	-120
Total	o8 (-115)	u8 (-105)

All odds are correct at the time of publication and are subject to change.

Make the most of your sports betting experience by exploring our comprehensive list of US betting apps, and the latest sportsbooks in 2025, ensuring you never miss a top new-user deal.

Guardians vs. Mariners Picks and Best Bets

Our model's biggest edge in today's Guardians vs. Mariners matchup is on the over/under.

Our expert predictions, matched against the current odds, reveal the best MLB picks and MLB best bets for every game throughout the season.

Unlimited access to our complete suite of picks, including this one, is available via Dimers Pro.

Calling Our Shot's Free ⚾️ Picks

Calling Our Shot produces daily MLB betting content, including the latest predictions featured below.

Guardians vs. Mariners Game-Day Updates and Essential Details

Sunday's MLB action between the Mariners and Guardians at T-Mobile Park is scheduled to commence at 4:10PM ET.

• Who: Cleveland Guardians vs. Seattle Mariners
• Date: Sunday, June 15, 2025
• Time: 4:10PM ET/1:10PM PT
• Venue: T-Mobile Park

Dimers.com's comprehensive preview of Sunday's Guardians vs. Mariners matchup includes our prediction, picks and the latest betting odds.

Before making any Cleveland vs. Seattle picks, be sure to check out the latest MLB predictions and betting advice from Dimers Pro.

Key MLB Betting Guides and Insights

• Explore how MLB odds work and dive into MLB live betting strategies
• Understand where sports odds come from and how they're applied to baseball matchups
• Learn how to use Dimers Futures to find long-term betting opportunities as the World Series draws closer
• Stay informed with where online sports betting is currently legal and which betting sites are safest to use
• Boost your success with strategies to win at sports betting and explore why MLB is one of the best leagues to bet on

Conclusion

We predict the Mariners, with a 52% win probability, will likely beat the Guardians on Sunday.

AI and automation have enhanced this article to quickly deliver accurate Guardians vs. Mariners insights, with human oversight ensuring high editorial quality. Our predictions are sourced from the latest data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

Note: Clicking links to our partners may earn us a referral fee. Learn about how we review products and services.

More on MLB

Keep up with the latest MLB betting news and MLB parlay picks throughout the season. Plus, our World Series odds provide the latest predictions for the World Series, American League, National League and each division.