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Read Article Phillies vs. Nationals prediction: Why Philadelphia is favored to win Wednesday's MLB matchup [9/16/2026]
Updated: | First published:
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Written by Dave Garofolo, Content Producer
Dimers' simulation model projects a 63.7% win probability for the Phillies at Nationals Park.
The Washington Nationals will face the Philadelphia Phillies in MLB action at Nationals Park on Wednesday, commencing at 6:45 PM ET.
The Nationals will start Jared Simpson (1-0, 6.75 ERA), up against Zack Wheeler (12-5, 3.14 ERA) for the Phillies.
Dimers' proven MLB model projects the Phillies as the most likely winner in this Phillies vs. Nationals prediction.
This article offers an expanded analysis of Wednesday's matchup, including best bets and picks.
For more, dive into Zack Wheeler's projected pitching stats.
Phillies vs. Nationals prediction and odds
Using powerful machine learning and data, we have re-simulated the result of Wednesday's MLB matchup between the Phillies and Nationals, forming part of our MLB predictions coverage.
Our leading predictive model gives the Phillies a 63.7% chance of beating the Nationals. According to our model, the Phillies (-1.5) have a 51.1% chance of covering the run line, while the over/under total of 8.5 runs has a 57.5% chance of going over.
Latest betting odds
We have sourced the best MLB odds in America for this game, which are listed here:
- Run Line: Phillies -1.5 (-108) / Nationals +1.5 (+104)
- Moneyline: Phillies -178, Nationals +178
- Total: Over/Under 8.5 (-110/+120)
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 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: Nationals +1.5 @ 49¢ via Novig
- Moneyline: Nationals @ 36¢ via Polymarket
- Total: Over 8.5 @ -110 via bet365
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
Wednesday's MLB matchup between the Nationals and Phillies at Nationals Park is scheduled to commence at 6:45 PM ET.
- Who: Philadelphia Phillies vs. Washington Nationals
- Date: Wednesday, September 16, 2026
- Time: 6:45 PM ET/3:45PM PT
- Venue: Nationals Park
Conclusion
We predict the Phillies, with a 63.7% win probability, will likely beat the Nationals in Wednesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
This article's predictions and probabilities are generated by Dimers' proprietary MLB prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.
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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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