Mariners vs Padres Prediction and MLB Tips - 18 May 2026
Last updated: May 17, 2026, 11:21PM | Published: May 16, 2026, 7:31PM
The Seattle Mariners will sqaure off with the San Diego Padres in MLB action at T-Mobile Park on Monday, commencing at 9:20am AEST.
The Mariners will have George Kirby (5-2, 2.84 ERA) start, up against Lucas Giolito (0-0, 0.00 ERA) for the Padres.
This article features Stats Insider's top betting tips for the Mariners vs Padres game, plus the latest betting odds in Australia.
Who Will Win?
Using advanced computer power and data, Stats Insider has simulated the result of Monday's Seattle vs San Diego MLB game 10,000 times.
Our leading predictive analytics model currently gives the Mariners a 58% chance of beating the Padres at T-Mobile Park.
Mariners vs Padres: Odds
The current betting odds in Australia for Monday's MLB game at T-Mobile Park are listed below:
- Head to Head: Mariners $1.67, Padres $2.25
- Line: Mariners -1.5 ($2.35), Padres +1.5 ($1.62)
- 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 $1.67 and the Padres at $2.25.
The Mariners are listed as 1.5-run favourites against the Padres, with odds of $2.35 available at TAB.
For the underdog Padres (+1.5) to cover the line, TAB offers odds of $1.62.
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 Padres (+1.5) are predicted to cover the line 59% of the time, while the 7.5-run over/under is expected to go over 52% of the time.
Mariners vs Padres: Betting Tips
- Head to Head: Seattle at $1.67 with TAB
- Line: Mariners -1.5 at $2.35 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
Today's Mariners vs Padres betting tips are based on world-class simulations and gambling expertise to bring you the best possible advice 24/7.
Even though the Padres are more likely to cover the line, our best bet of Mariners -1.5 is based on the probability of that happening, as suggested by our predictive analytics model, and the top odds available.
Mariners vs Padres: Prediction
Stats Insider provides full coverage of the Seattle vs San Diego game on Monday, including data-driven predictions and live win probabilitiestips.
Our model updates regularly, so keep checking this page for the latest betting predictions before the Seattle vs San Diego match-up.
As always, see Stats Insider's Best Bets for the best tips for every MLB game, as well as predictions for a wide range of other sports.
Mariners vs Padres: Essential Details
The game between the Mariners and Padres at T-Mobile Park is scheduled to commence at 9:20am AEST on Monday.
- Teams: Seattle Mariners vs San Diego Padres
- Date: Monday 18 May 2026
- Time: 9:20am AEST
- Venue: T-Mobile Park
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise stated.
Conclusion
Our Seattle vs San Diego predictions are the result of 10,000 data-driven simulations of the game, carefully 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 MLB predictions for betting purposes, it's important 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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