Guardians vs Mariners Prediction and MLB Tips - 31 August 2025
Last updated: Aug 30, 2025, 11:16PM | Published: Aug 29, 2025, 6:34PM
The Cleveland Guardians will face the Seattle Mariners in MLB action at Progressive Field on Sunday, beginning at 9:15am AEST.
The Guardians will have Gavin Williams (8-5, 3.36 ERA) start, while the Mariners are going with Logan Gilbert (4-5, 3.69 ERA).
This article features Stats Insider's prediction and tips for the Guardians vs Mariners game, as well as the latest betting odds in Australia.
Who Will Win?
Based on trusted computer power and data, Stats Insider has simulated the result of Sunday's Cleveland vs Seattle MLB match-up 10,000 times.
Our independent predictive analytics model currently gives the Mariners a 59% chance of beating the Guardians at Progressive Field.
Guardians vs Mariners: Odds
The latest betting odds in Australia for Sunday's MLB game at Progressive Field are shown below:
- Head to Head: Guardians $2.35, Mariners $1.62
- Line: Guardians +1.5 ($1.74), Mariners -1.5 ($2.14)
- 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 Guardians at $2.35 and the Mariners at $1.62.
The Guardians are 1.5-run underdogs against the Mariners, with odds of $1.74 available at TAB.
For the favourite Mariners (-1.5) to cover the line, TAB offers odds of $2.14.
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 Guardians (+1.5) are predicted to cover the line 56% of the time, while the 7.5-run over/under is expected to stay under 51% of the time.
Guardians vs Mariners: Best Bets
- Head to Head: Cleveland at $2.35 with TAB
- Line: Guardians +1.5 at $1.74 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
These Guardians vs Mariners betting tips are based on world-class simulations and betting experience to provide you with the best possible advice every day of the year.
While the Mariners have a higher chance of winning the game, betting on the Guardians to win is our recommended option due to the edge identified when comparing our data-driven probabilities to the odds currently available.
Taking advantage of the edges seen on Stats Insider is pivotal to being a profitable bettor in the long run.
Furthermore, despite the Under being more likely to hit in this game, Over 7.5 is our best bet because of the better odds ($1.91) that are available from TAB.
Guardians vs Mariners: Prediction
Stats Insider provides full betting coverage of the Cleveland vs Seattle game on Sunday, including data-driven predictions and expert tips.
Remember, our model updates regularly, so refresh this article for the latest betting analysis before the Cleveland vs Seattle 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.
Guardians vs Mariners: Essential Details
The game between the Guardians and Mariners at Progressive Field is scheduled to begin at 9:15am AEST on Sunday.
- Teams: Cleveland Guardians vs Seattle Mariners
- Date: Sunday 31 August 2025
- Time: 9:15am AEST
- Venue: Progressive Field
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise stated.
Conclusion
Our Cleveland vs Seattle predictions have been made after running 10,000 data-driven simulations of the game, all curated by our team of skilled data scientists and analysts. We use the latest in predictive analytics technology and machine learning to ensure our MLB tips are accurate and reliable, giving you the confidence to make informed decisions.
If you decide 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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