Mariners vs. Blue Jays prediction: Why Toronto is favored to win Game 7 of ALCS [10/20/2025]

MLB action continues on Monday at 8:10PM ET as the Seattle Mariners take on the Toronto Blue Jays in Game 7 of the American League Championship Series at Rogers Centre.

Shane Bieber (1-0, 4.15 ERA in 2025 postseason) will start for the Blue Jays, while the Mariners are going with George Kirby (0-1, 7.07 ERA).

Based on updated simulations, Dimers' proven MLB model predicts the Blue Jays as the most likely winner of today's game.

For expanded analysis of Monday's matchup, including best bets and picks, visit our interactive Mariners vs. Blue Jays predictions page.

Mariners vs. Blue Jays prediction: Who will win Game 7?

Using trusted machine learning and data analysis, we have simulated the outcome of Monday's MLB matchup between the Mariners and Blue Jays 10,000 times as part of our MLB predictions coverage.

Our leading predictive model gives the Blue Jays a 54% chance of beating the Mariners.

According to our model, the Mariners (+1.5) have a 62% chance of covering the run line, while the over/under total of 7.5 runs has a 63% chance of going over.

Mariners vs. Blue Jays Game 7 odds [10/20/2025]

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

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

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Mariners vs. Blue Jays picks and best bets for Game 7

Our model's biggest edge in today's Mariners vs. Blue Jays matchup is on the run line.

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

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

Mariners vs. Blue Jays game-day updates and essential details

Monday's MLB matchup between the Blue Jays and Mariners at Rogers Centre is scheduled to start at 8:10PM ET.

• Who: Seattle Mariners vs. Toronto Blue Jays
• Date: Monday, October 20, 2025
• Time: 8:10PM ET/5:10PM PT
• Venue: Rogers Centre

Dimers' comprehensive preview of Monday's Mariners vs. Blue Jays matchup includes our prediction, picks and the latest betting odds.

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

Conclusion

We predict the Blue Jays, with a 54% win probability, will likely beat the Mariners on Monday.

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

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