Astros vs Mariners Prediction and MLB Tips - 12 May 2026
Last updated: May 12, 2026, 12:09AM | Published: May 10, 2026, 6:46PM
The Houston Astros will take on the Seattle Mariners in MLB action at Daikin Park on Tuesday, starting at 10:10am AEST.
Peter Lambert (2-2, 2.42 ERA) will be on the bump for the Astros, while the Mariners are going with George Kirby (4-2, 2.94 ERA).
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 trusted computer power and data, Stats Insider has simulated the outcome of Tuesday's Houston vs Seattle MLB game 10,000 times.
Our independent predictive analytics model currently gives the Mariners a 56% chance of winning against the Astros at Daikin Park.
Astros vs Mariners: Odds
The latest betting odds in Australia for Tuesday's MLB game at Daikin Park are listed below:
- Head to Head: Astros $2.25, Mariners $1.67
- Line: Astros +1.5 ($1.80), Mariners -1.5 ($2.04)
- 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 $2.25 and the Mariners at $1.67.
The Astros are 1.5-run underdogs against the Mariners, with odds of $1.80 available at TAB.
For the favourite Mariners (-1.5) to cover the line, TAB offers odds of $2.04.
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 55% of the time, while the 8.5-run over/under is expected to go over 56% of the time.
Astros vs Mariners: Betting Tips
- Head to Head: Houston at $2.25 with TAB
- Line: Astros +1.5 at $1.80 with TAB
- Total Runs: Over 8.5 at $1.91 with TAB
Our Astros vs Mariners betting tips are based on market-leading modelling and betting experience to provide you with the best possible advice around the clock.
While the Mariners have a higher chance of winning the game, betting on the Astros to win is our recommended option due to the 1.7% edge identified when comparing our data-driven probabilities to the odds currently on offer.
Taking advantage of the edges published here at Stats Insider is one of the keys to achieving long-term profitability.
Astros vs Mariners: Prediction
Stats Insider provides full betting coverage of the Houston vs Seattle game on Tuesday, including data-driven predictions and expert tips.
Remember, our model updates frequently, so keep checking this article for the latest betting predictions before the Houston vs Seattle match-up.
As always, see our Best Bets for the best tips for 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 stated.
Conclusion
Our Houston vs Seattle predictions are the result of 10,000 data-driven simulations of the game, carefully 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 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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