Blue Jays vs. Mariners prediction: Tight battle projected in updated analysis for Game 5 of ALCS [10/17/2025]

The Seattle Mariners and Toronto Blue Jays will lock horns in Game 5 of the American League Championship Series at T-Mobile Park on Friday, starting at 6:08PM ET.

The Mariners will have Bryce Miller (1-0, 2.61 ERA in 2025 postseason) as their starting pitcher, while the Blue Jays will counter with Kevin Gausman (1-1, 2.38 ERA).

Based on updated simulations, Dimers' advanced MLB model predicts an equal chance for both the Mariners and Blue Jays to win today's game.

For a closer look at Friday's matchup, including best bets and picks, visit our interactive Blue Jays vs. Mariners predictions page.

Blue Jays vs. Mariners prediction: Who will win Game 5?

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

Our independent predictive model currently can't split the two teams, giving both the Blue Jays and Mariners a 50% chance of winning the game.

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

Blue Jays vs. Mariners Game 5 odds [10/17/2025]

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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Blue Jays vs. Mariners picks and best bets for Game 5

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

Our expert predictions, matched against the best 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.

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

Friday's MLB matchup between the Mariners and Blue Jays at T-Mobile Park is scheduled to begin at 6:08PM ET.

• Who: Toronto Blue Jays vs. Seattle Mariners
• Date: Friday, October 17, 2025
• Time: 6:08PM ET/3:08PM PT
• Venue: T-Mobile Park

Dimers' in-depth preview of Friday's Blue Jays vs. Mariners matchup includes our prediction, picks and the latest betting odds.

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

Conclusion

We predict a close game between the Blue Jays and Mariners on Friday, with each team having a 50% chance of winning.

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

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