Phillies vs. Nationals prediction: Philadelphia predicted to win Sunday's MLB matchup [8/17/2025]

The Washington Nationals will face the favored Philadelphia Phillies in MLB action at Nationals Park on Sunday, commencing at 11:35AM ET.

The Nationals will start Mitchell Parker (7-13, 5.56 ERA), up against Aaron Nola (1-7, 6.16 ERA) for the Phillies.

Based on the latest simulation results, Dimers' proven MLB model predicts the Phillies as the most likely winner of today's game.

"Using the most recent data, our experts ran 10,000 simulations of Sunday's Phillies-Nationals game," said Dimers' Chief Content Officer, Nick Slade.

"After accounting for recent updates and other variables, our prediction shows the Phillies with a win probability of 60%, while the Nationals have 40%."

For further insights into Sunday's matchup, including best bets and picks, visit our interactive Phillies vs. Nationals predictions page.

Nationals vs. Phillies prediction: Who will win, cover the run line?

Using trusted machine learning and data, we have simulated the outcome of Sunday's MLB matchup between the Phillies and Nationals 10,000 times as part of our MLB predictions coverage.

Our leading predictive model gives the Phillies a 60% chance of defeating the Nationals.

According to our model, the Nationals (+1.5) have a 52% chance of covering the run line, while the over/under total of 10 runs has a 53% chance of staying under.

Phillies vs. Nationals odds [8/17/2025]

We have researched the best MLB odds in America for this game, which are listed here:

Bet Type	Phillies	Nationals
Run Line	-1.5 (-132)	+1.5 (+115)
Moneyline	-205	+180
Total	o10 (-108)	u10 (-110)

All odds are correct at the time of publication and are subject to change.

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Phillies vs. Nationals picks and best bets

Our model's strongest edge in today's Phillies vs. Nationals matchup is on the over/under.

Our expert predictions, aligned with the current odds, reveal the best MLB picks and MLB best bets for every game throughout the season.

Unlimited access to our full set of picks, including this one, is available via Dimers Pro.

Calling Our Shot's free ⚾️ picks

Calling Our Shot produces daily MLB betting content, including the latest free picks featured below.

Phillies vs. Nationals game-day updates and essential details

Sunday's MLB game between the Nationals and Phillies at Nationals Park is scheduled to begin at 11:35AM ET.

• Who: Philadelphia Phillies vs. Washington Nationals
• Date: Sunday, August 17, 2025
• Time: 11:35AM ET/8:35AM PT
• Venue: Nationals Park

Dimers.com's full preview of Sunday's Phillies vs. Nationals matchup includes our prediction, picks and the latest betting odds.

Before making any Phillies vs. Nationals picks, be sure to check out the latest MLB predictions and betting advice from Dimers Pro.

Conclusion

We predict the Phillies, with a 60% win probability, will likely beat the Nationals on Sunday.

AI and automation have enhanced this article to quickly deliver accurate Phillies vs. Nationals insights, with human oversight ensuring high editorial quality. Our predictions are based on up-to-date data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

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