Mariners vs Astros Prediction and MLB Tips - 20 July 2025
Last updated: Jul 20, 2025, 1:42AM | Published: Jul 18, 2025, 7:49PM
The Seattle Mariners will take on the Houston Astros in MLB action at T-Mobile Park on Sunday, starting at 11:40am AEST.
Logan Evans (3-3, 3.76 ERA) will start for the Mariners, while the Astros will counter with Lance McCullers (2-4, 6.48 ERA).
This article features Stats Insider's prediction and tips for the Mariners vs Astros game, as well as the latest betting odds in Australia.
Who Will Win?
Utilising advanced computer power and data, Stats Insider has simulated the result of Sunday's Seattle vs Houston MLB game 10,000 times.
Our proven predictive analytics model currently gives the Mariners a 54% chance of beating the Astros at T-Mobile Park.
Mariners vs Astros: Odds
The current betting odds in Australia for Sunday's MLB game at T-Mobile Park are shown here:
- Head to Head: Mariners $1.74, Astros $2.15
- Line: Mariners -1.5 ($2.65), Astros +1.5 ($1.50)
- Total (Over/Under 8 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 $1.74 and the Astros at $2.15.
The Mariners are 1.5-run favourites against the Astros, with odds of $2.65 available at TAB.
For the underdog Astros (+1.5) to cover the line, TAB offers odds of $1.50.
The over/under for total runs scored is set at 8 with TAB, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's model, the Astros (+1.5) are predicted to cover the line 66% of the time, while the 8-run over/under is expected to stay under 53% of the time.
Mariners vs Astros: Best Bets
- Head to Head: Houston at $2.15 with TAB
- Line: Astros +1.5 at $1.50 with TAB
- Total Runs: Under 8 at $1.91 with TAB
Stats Insider's Mariners vs Astros best bets are based on world-class 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 Astros to win is our recommended option because of the 1.2% edge found when comparing our data-led probabilities to the odds currently available.
Taking advantage of the edges seen here at Stats Insider is one of the keys to achieving long-term success as a sports bettor.
Mariners vs Astros: Prediction
Stats Insider provides full coverage of the Seattle vs Houston game on Sunday, including data-driven predictions and live win probabilitiestips.
Remember, our model updates regularly, so bookmark this page for the latest betting predictions before the Seattle vs Houston game.
As always, see our Best Bets to get the best tips for every MLB game, plus predictions for a wide range of other sports.
Mariners vs Astros: Essential Details
The game between the Mariners and Astros at T-Mobile Park is scheduled to start at 11:40am AEST on Sunday.
- Teams: Seattle Mariners vs Houston Astros
- Date: Sunday 20 July 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 Houston predictions are based on 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 crucial to 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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