Blue Jays vs Mariners Prediction and MLB Tips - 20 October 2025
Last updated: Oct 20, 2025, 12:00AM | Published: Oct 18, 2025, 8:30PM
The Toronto Blue Jays will sqaure off with the Seattle Mariners in Game 4 of the World Series at Rogers Centre on Monday, commencing at 11:03am AEDT.
Trey Yesavage (1-1, 4.82 ERA) will get the ball for the Blue Jays, up against Logan Gilbert (1-0, 2.46 ERA) for the Mariners.
This article features Stats Insider's prediction and tips for the Blue Jays vs Mariners game, along with the latest betting odds in Australia.
Who Will Win?
Utilising trusted computer power and data, Stats Insider has simulated the outcome of Monday's Toronto vs Seattle MLB match-up 10,000 times.
Our independent predictive analytics model currently gives the Blue Jays a 53% chance of defeating the Mariners at Rogers Centre.
Blue Jays vs Mariners: Odds
The latest betting odds in Australia for Monday's MLB game at Rogers Centre are listed here:
- Head to Head: Blue Jays $1.83, Mariners $2.00
- Line: Blue Jays -1.5 ($2.65), Mariners +1.5 ($1.50)
- Total (Over/Under 7.5 Runs): Over $1.91, Under $1.91
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, the bookmakers currently have the Blue Jays at $1.83 and the Mariners at $2.00.
The Blue Jays are listed as 1.5-run favourites against the Mariners, with odds of $2.65 available at TAB.
For the underdog Mariners (+1.5) to cover the line, TAB offers odds of $1.50.
The over/under for total runs scored is set at 7.5 with TAB, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's analytics model, the Mariners (+1.5) are predicted to cover the line 63% of the time, while the 7.5-run over/under is expected to go over 62% of the time.
Blue Jays vs Mariners: Best Bets
- Head to Head: Toronto at $1.83 with TAB
- Line: Blue Jays -1.5 at $2.65 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
These Blue Jays vs Mariners predictions are based on detailed simulations and betting intelligence to provide you with the best possible advice 24/7/365.
Even though the Mariners are more likely to cover the line, our best bet of Blue Jays -1.5 is based on the likelihood of that happening, as suggested by our predictive analytics model, and the top odds available.
Blue Jays vs Mariners: Prediction
Stats Insider provides full coverage of the Toronto vs Seattle game on Monday, including data-driven predictions and computer tips.
Our model updates frequently, so refresh this page for the latest betting analysis before the Toronto vs Seattle game.
As always, see our Best Bets for betting tips for every MLB game, as well as predictions for a wide range of other sports.
Blue Jays vs Mariners: Essential Details
The match-up between the Blue Jays and Mariners at Rogers Centre is scheduled to start at 11:03am AEDT on Monday.
- Teams: Toronto Blue Jays vs Seattle Mariners
- Date: Monday 20 October 2025
- Time: 11:03am AEDT
- Venue: Rogers Centre
All dates and times mentioned in this article are in Australian Eastern Daylight Time (AEDT), unless otherwise noted.
Conclusion
Our Toronto vs Seattle predictions have been made after running 10,000 data-driven simulations of the game, all curated by our team of expert data scientists and analysts. We use cutting-edge technology and machine learning to ensure our MLB tips are trustworthy and reliable, giving you the confidence to make informed decisions.
If you choose to use our predictions for betting purposes, it's vital to gamble responsibly and know when to stop. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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