Guardians vs Mariners Prediction and MLB Tips - 29 June 2026
Last updated: Jun 28, 2026, 5:40PM | Published: Jun 27, 2026, 6:44PM
The Cleveland Guardians will sqaure off with the Seattle Mariners in MLB action at Progressive Field on Monday, beginning at 3:40am AEST.
The Guardians will send Gavin Williams (9-4, 3.82 ERA) to the mound, pitting him against Emerson Hancock (5-4, 3.60 ERA) for the Mariners.
This article features Stats Insider's prediction and tips for the Guardians vs Mariners game, plus the latest betting odds in Australia.
Who Will Win?
Based on trusted computer power and data, Stats Insider has simulated the outcome of Monday's Cleveland vs Seattle MLB match-up 10,000 times.
Our independent predictive analytics model currently gives the Mariners a 53% chance of winning against the Guardians at Progressive Field.
Guardians vs Mariners: Odds
The latest betting odds in Australia for Monday's MLB game at Progressive Field are shown here:
- Head to Head: Guardians $1.80, Mariners $2.05
- Line: Guardians -1.5 ($2.75), Mariners +1.5 ($1.48)
- 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 $1.80 and the Mariners at $2.05.
The Guardians are listed as 1.5-run favourites against the Mariners, with odds of $2.75 available at TAB.
For the underdog Mariners (+1.5) to cover the line, TAB offers odds of $1.48.
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 Mariners (+1.5) are predicted to cover the line 70% of the time, while the 7.5-run over/under is expected to go over 52% of the time.
Guardians vs Mariners: Best Bets
- Head to Head: Seattle at $2.05 with TAB
- Line: Mariners +1.5 at $1.48 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
If you see a 🔥, that means you've found one of Stats Insider's best bets of the day across any sport.
Stats Insider's Guardians vs Mariners best bets are based on complex simulations and wagering expertise to provide you with the best possible advice 24/7.
Guardians vs Mariners: Prediction
Stats Insider provides full coverage of the Cleveland vs Seattle game on Monday, including data-driven predictions and expert tips.
Our model updates frequently, so keep checking this page for the latest betting predictions before the Cleveland vs Seattle match-up.
As always, see Stats Insider's Best Bets to get the best tips for every MLB game, plus 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 commence at 3:40am AEST on Monday.
- Teams: Cleveland Guardians vs Seattle Mariners
- Date: Monday 29 June 2026
- Time: 3:40am 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 thanks to 10,000 data-driven simulations of the game, all 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, giving you the confidence to make informed decisions.
If you choose to use our predictions for betting purposes, it's important that you 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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