Astros vs Mariners Prediction and MLB Tips - 12 May 2026
Last updated: May 11, 2026, 7:43AM | Published: May 10, 2026, 6:46PM
The Houston Astros will take on the Seattle Mariners in MLB action at Daikin Park on Tuesday, commencing at 10:10am AEST.
The Astros will have Peter Lambert (2-2, 2.42 ERA) start, up against George Kirby (4-2, 2.94 ERA) for the Mariners.
This article features Stats Insider's prediction and tips for the Astros vs Mariners game, plus the latest betting odds in Australia.
Who Will Win?
Using advanced machine learning and data, Stats Insider has simulated the result of Tuesday's Houston vs Seattle MLB match-up 10,000 times.
Our proven predictive analytics model currently gives the Mariners a 55% chance of defeating the Astros at Daikin Park.
Astros vs Mariners: Odds
The current betting odds in Australia for Tuesday's MLB game at Daikin Park are shown here:
- Head to Head: Astros $2.17, Mariners $1.68
- Line: Astros +1.5 ($1.67), Mariners -1.5 ($2.20)
- Total (Over/Under 8.5 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 Astros at $2.17 and the Mariners at $1.68.
The Astros are listed as 1.5-run underdogs against the Mariners, with odds of $1.67 available at TAB.
For the favourite Mariners (-1.5) to cover the line, TAB offers odds of $2.20.
The over/under for total runs scored is set at 8.5 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 Astros (+1.5) are predicted to cover the line 58% of the time, while the 8.5-run over/under is expected to go over 52% of the time.
Astros vs Mariners: Betting Tips
- Head to Head: Houston at $2.17 with TAB
- Line: Astros +1.5 at $1.67 with TAB
- Total Runs: Over 8.5 at $1.91 with TAB
Stats Insider's Astros vs Mariners best bets are based on market-leading simulations and gambling experience 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 Astros to win is our recommended option because of the 1.5% edge identified when comparing our data-driven probabilities to the odds currently available.
Making use of the edges published on Stats Insider is pivotal to achieving long-term profitability.
Astros vs Mariners: Prediction
Stats Insider provides full coverage of the Houston vs Seattle game on Tuesday, including data-driven predictions and live scorestips.
Remember, our model updates regularly, so refresh this page for the latest betting predictions before the Houston vs Seattle match-up.
As always, see our Best Bets for the best tips on every MLB game, plus predictions for a wide range of other sports.
Astros vs Mariners: Essential Details
The match-up between the Astros and Mariners at Daikin Park is scheduled to begin at 10:10am AEST on Tuesday.
- Teams: Houston Astros vs Seattle Mariners
- Date: Tuesday 12 May 2026
- Time: 10:10am AEST
- Venue: Daikin Park
All dates and times mentioned in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Houston vs Seattle predictions have been made 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 accurate and reliable, giving you the confidence to make informed decisions.
If you choose to use our MLB predictions for betting purposes, it's crucial to gamble responsibly and manage your finances effectively. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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