Mariners vs Guardians Prediction and MLB Tips - 15 June 2025

The Seattle Mariners will sqaure off with the Cleveland Guardians in MLB action at T-Mobile Park on Sunday, commencing at 11:40am AEST.

The Mariners will send George Kirby (1-3, 6.53 ERA) to the mound, up against Tanner Bibee (4-6, 3.81 ERA) for the Guardians.

This article features Stats Insider's top betting tips for the Mariners vs Guardians game, as well as the latest betting odds in Australia.

Who Will Win?

Using advanced machine learning and data, Stats Insider has simulated the result of Sunday's Seattle vs Cleveland MLB match-up 10,000 times.

Our independent predictive analytics model currently gives the Mariners a 55% chance of winning against the Guardians at T-Mobile Park.

Mariners vs Guardians: Odds

The current betting odds in Australia for Sunday's MLB game at T-Mobile Park are listed here:

• Head to Head: Mariners $1.71, Guardians $2.20
• Line: Mariners -1.5 ($2.65), Guardians +1.5 ($1.50)
• Total (Over/Under 7 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 $1.71 and the Guardians at $2.20.

The Mariners are 1.5-run favourites against the Guardians, with odds of $2.65 available at TAB.

For the underdog Guardians (+1.5) to cover the line, TAB offers odds of $1.50.

The over/under for total runs scored is set at 7 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 65% of the time, while the 7-run over/under is expected to stay under 52% of the time.

Mariners vs Guardians: Betting Tips

• Head to Head: Cleveland at $2.20 with TAB
• Line: Guardians +1.5 at $1.50 with TAB
• Total Runs: Over 7 at $1.91 with TAB

Our Mariners vs Guardians betting tips are based on market-leading simulations and wagering expertise to help you place better bets with your chosen online bookie.

While the Mariners have a higher chance of winning the game, betting on the Guardians to win is our preferred option due to the edge identified when comparing our data-driven probabilities to the odds currently available.

Taking advantage of the edges published on Stats Insider is pivotal to achieving long-term profitability.

Furthermore, despite the Under being more likely to hit in this game, Over 7 is our best bet due to the better odds ($1.91) that are available from TAB.

Mariners vs Guardians: Prediction

Stats Insider provides full coverage of the Seattle vs Cleveland game on Sunday, including data-driven predictions and top betting tips.

Our model updates regularly, so refresh this article for the latest betting analysis before the Seattle vs Cleveland match-up.

As always, see our Best Bets for the best tips on every MLB game, as well as predictions for a wide range of other sports.

Mariners vs Guardians: Essential Details

The match-up between the Mariners and Guardians at T-Mobile Park is scheduled to begin at 11:40am AEST on Sunday.

• Teams: Seattle Mariners vs Cleveland Guardians
• Date: Sunday 15 June 2025
• Time: 11:40am 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 Cleveland predictions are based on 10,000 data-driven simulations of the game, all curated by our team of expert data scientists and analysts. We use the latest in predictive analytics 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 MLB predictions for betting purposes, it's vital that you 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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