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Read Article Astros vs. Phillies prediction: Why Philadelphia is favored to win Wednesday's MLB matchup [9/9/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Dimers' simulation model projects a 57.0% win probability for the Phillies at Citizens Bank Park.
The Philadelphia Phillies will square off with the Houston Astros in MLB action at Citizens Bank Park on Wednesday, commencing at 6:40 PM ET.
The Phillies will have Cristopher Sánchez (16-5, 2.58 ERA) as their starting pitcher, while the Astros will counter with Hunter Brown (5-3, 3.31 ERA).
Dimers' advanced MLB model projects the Phillies as the most likely winner in this Astros vs. Phillies prediction.
This article offers further insights into Wednesday's matchup, including best bets and picks.
Astros vs. Phillies prediction and odds
Using powerful machine learning and data, we have re-simulated the outcome of Wednesday's MLB matchup between the Astros and Phillies, forming part of our MLB predictions coverage.
Our leading predictive model currently gives the Phillies a 57.0% chance of beating the Astros.
According to our model, the Astros (+1.5) have a 59.8% chance of covering the run line, while the over/under total of 8.5 runs has a 52.6% 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 (-153) / Phillies -1.5 (+156)
- Moneyline: Astros +138, Phillies -138
- Total: Over/Under 8.5 (+115/-117)
All odds are correct at the time of publication and are subject to change.
Model picks and best bet
After matching our probabilities against the best available 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: Phillies -1.5 @ 39¢ via Polymarket
- Moneyline: Astros @ 42¢ via Novig
- Total: Over 8.5 @ 47¢ via Novig
According to our best MLB 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
Wednesday's MLB game between the Phillies and Astros at Citizens Bank Park is scheduled to begin at 6:40 PM ET.
- Who: Houston Astros vs. Philadelphia Phillies
- Date: Wednesday, September 9, 2026
- Time: 6:40 PM ET/3:40PM PT
- Venue: Citizens Bank Park
Conclusion
We predict the Phillies, with a 57.0% win probability, will likely beat the Astros in Wednesday'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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