Mariners vs Cubs Prediction and MLB Tips - 23 August 2026
Last updated: Aug 22, 2026, 11:15PM | Published: Aug 21, 2026, 7:52PM
The Seattle Mariners will face the Chicago Cubs in MLB action at T-Mobile Park on Sunday, commencing at 9:15am AEST.
The Mariners will have Kade Anderson (0-0, 0.00 ERA) start, pitting him against David Peterson (7-7, 5.29 ERA) for the Cubs.
This article features Stats Insider's free betting tips for the Mariners vs Cubs game, plus the latest betting odds in Australia.
Who Will Win?
Utilising trusted computer power and data, Stats Insider has simulated the outcome of Sunday's Seattle vs Cubs MLB game 10,000 times.
Our proven predictive analytics model currently gives the Mariners a 53% chance of defeating the Cubs at T-Mobile Park.
Mariners vs Cubs: Odds
The latest betting odds in Australia for Sunday's MLB game at T-Mobile Park are listed here:
- Head to Head: Mariners $1.88, Cubs $2.03
- Line: Mariners -1.5 ($2.79), Cubs +1.5 ($1.46)
- 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 Mariners at $1.88 and the Cubs at $2.03.
The Mariners are 1.5-run favourites against the Cubs, with odds of $2.79 available at TAB.
For the underdog Cubs (+1.5) to cover the line, TAB offers odds of $1.46.
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 model, the Cubs (+1.5) are predicted to cover the line 64% of the time, while the 7.5-run over/under is expected to go over 52% of the time.
Mariners vs Cubs: Best Bets
- Head to Head: Seattle at $1.88 with TAB
- Line: Mariners -1.5 at $2.79 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
These Mariners vs Cubs best bets are based on detailed modelling and gambling experience to provide you with the best possible advice every day of the year.
Although the Cubs are more likely to cover the line, our best bet of Mariners -1.5 is based on the probability of that happening, as projected by our predictive analytics model, and the best odds available.
Mariners vs Cubs: Prediction
Stats Insider provides full betting coverage of the Seattle vs Cubs game on Sunday, including data-driven predictions and free tips.
Our model updates regularly, so refresh this article for the latest betting predictions before the Seattle vs Cubs match-up.
As always, see our Best Bets to get the best tips for every MLB game, as well as predictions for a wide range of other sports.
Mariners vs Cubs: Essential Details
The match-up between the Mariners and Cubs at T-Mobile Park is scheduled to commence at 9:15am AEST on Sunday.
- Teams: Seattle Mariners vs Chicago Cubs
- Date: Sunday 23 August 2026
- Time: 9:15am AEST
- Venue: T-Mobile Park
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Seattle vs Cubs predictions have been made thanks to 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 accurate and reliable, so that you can make informed decisions with confidence.
If you choose to use our predictions for betting purposes, it's vital 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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