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Read Article Astros vs. Phillies prediction: Why Philadelphia is favored to win Tuesday's MLB matchup [9/8/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Dimers' simulation model projects a 51.8% win probability for the Phillies at Citizens Bank Park.
The Philadelphia Phillies and Houston Astros will lock horns in MLB action at Citizens Bank Park on Tuesday, starting at 6:40 PM ET.
Andrew Painter (3-8, 5.55 ERA) will start on the mound for the Phillies, pitting him against Hayden Wesneski (4-1, 3.18 ERA) for the Astros.
Dimers' proven MLB model gives the Phillies a slight edge with a 51.8% win probability over the Astros.
This article offers a complete Astros vs. Phillies prediction, including best bets and picks.
Astros vs. Phillies prediction and odds
Using trusted machine learning and data, we have re-simulated the result of Tuesday's MLB game between the Astros and Phillies, forming part of our MLB predictions coverage.
Our leading predictive model currently gives the Phillies a 51.8% chance of defeating the Astros.
According to our model, the Astros (+1.5) have a 63.5% chance of covering the run line, while the 8.5-run over/under has a 56.9% chance of going over.
Latest betting odds
We have researched the best MLB odds in America for this game, which are listed here:
- Run Line: Astros +1.5 (-160) / Phillies -1.5 (+160)
- Moneyline: Astros +125, Phillies -125
- Total: Over/Under 8.5 (-108/+108)
All odds are correct at the time of publication and are subject to change.
Model picks and best bet
After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:
- Run line: Astros +1.5 @ -160 via bet365
- Moneyline: Astros @ +125 via bet365
- Total: Over 8.5 @ 52¢ via Novig
According to our MLB best bets, the top play to make on this game is Over 8.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the current available odds.
Game info & first pitch details
Tuesday's MLB matchup between the Phillies and Astros at Citizens Bank Park is scheduled to commence at 6:40 PM ET.
- Who: Houston Astros vs. Philadelphia Phillies
- Date: Tuesday, September 8, 2026
- Time: 6:40 PM ET/3:40PM PT
- Venue: Citizens Bank Park
Conclusion
We predict the Phillies, with a 51.8% win probability, will likely beat the Astros in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Dave Garofolo uses sophisticated AI-driven analytics to make predictions and evaluate player performances in the NBA, MLB, NFL, NHL, NCAAM, and PGA TOUR tournaments, crafting insightful game and prop previews.
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