Blue Jays vs Mariners Prediction and MLB Tips - 21 October 2025
Last updated: Oct 21, 2025, 12:10AM | Published: Oct 20, 2025, 1:28PM
The Toronto Blue Jays will take on the Seattle Mariners in Game 5 of the World Series at Rogers Centre on Tuesday, starting at 11:10am AEDT.
The Blue Jays will have Shane Bieber (1-0, 4.15 ERA) start, while the Mariners are going with George Kirby (0-1, 7.07 ERA).
This article features Stats Insider's prediction and tips for the Blue Jays vs Mariners game, as well as the latest betting odds in Australia.
Who Will Win?
Based on advanced machine learning and data, Stats Insider has simulated the outcome of Tuesday's Toronto vs Seattle MLB match-up 10,000 times.
Our proven predictive analytics model gives the Blue Jays a 54% chance of beating the Mariners at Rogers Centre.
Blue Jays vs Mariners: Odds
The current betting odds in Australia for Tuesday's MLB game at Rogers Centre are listed here:
- Head to Head: Blue Jays $1.74, Mariners $2.15
- Line: Blue Jays -1.5 ($2.54), Mariners +1.5 ($1.54)
- 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 $1.74 and the Mariners at $2.15.
The Blue Jays are listed as 1.5-run favourites against the Mariners, with odds of $2.54 available at TAB.
For the underdog Mariners (+1.5) to cover the line, TAB offers odds of $1.54.
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 62% of the time, while the 7.5-run over/under is expected to go over 61% of the time.
Blue Jays vs Mariners: Betting Tips
- Head to Head: Seattle at $2.15 with TAB
- Line: Mariners +1.5 at $1.54 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
Our Blue Jays vs Mariners betting tips are based on detailed modelling and betting expertise to bring you the best possible advice around the clock.
While the Blue Jays have a higher chance of winning the game, betting on the Mariners to win is our recommended option because of the edge found when comparing our data-driven probabilities to the odds currently on offer.
Making use of the edges seen here at Stats Insider is one of the keys to achieving long-term success as a bettor.
Blue Jays vs Mariners: Prediction
Stats Insider provides full coverage of the Toronto vs Seattle game on Tuesday, including data-driven predictions and top betting tips.
Remember, our model updates frequently, so refresh this page for the latest betting tips before the Toronto vs Seattle match-up.
As always, see Stats Insider's Best Bets to get the best tips on 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 commence at 11:10am AEDT on Tuesday.
- Teams: Toronto Blue Jays vs Seattle Mariners
- Date: Tuesday 21 October 2025
- Time: 11:10am AEDT
- Venue: Rogers Centre
All dates and times mentioned in this article are in Australian Eastern Daylight Time (AEDT), unless otherwise stated.
Conclusion
Our Toronto vs Seattle predictions are based on 10,000 data-driven simulations of the game, carefully curated by our team of experienced data scientists and analysts. We use cutting-edge technology and machine learning to ensure our MLB tips are trustworthy and reliable, so that you can make informed decisions with confidence.
If you choose to use our MLB predictions for betting purposes, it's crucial to gamble responsibly and keep track of your money. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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