Rays vs. Nationals prediction: Why Tampa Bay is favored to win Sunday's MLB matchup [8/31/2025]

The Washington Nationals will take on the Tampa Bay Rays in MLB action at Nationals Park on Sunday, commencing at 1:35PM ET.

The Nationals will have Brad Lord (4-7, 3.84 ERA) as their starting pitcher, while the Rays have opted for Ian Seymour (2-0, 3.18 ERA).

Based on updated simulation results, Dimers' advanced MLB model predicts the Rays as the most likely winner of today's game.

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

"After accounting for recent updates and other variables, our prediction shows the Rays with a win probability of 56%, while the Nationals have 44%."

For expanded analysis of Sunday's matchup, including best bets and picks, visit our interactive Rays vs. Nationals predictions page.

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

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

Our leading predictive model currently gives the Rays a 56% chance of beating the Nationals.

According to our model, the Nationals (+1.5) have a 58% chance of covering the run line, while the 8-run over/under has a 51% chance of going over.

Rays vs. Nationals odds [8/31/2025]

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

Bet Type	Rays	Nationals
Run Line	-1.5 (+118)	+1.5 (-142)
Moneyline	-142	+120
Total	o8 (-105)	u8 (-113)

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

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Rays vs. Nationals picks and best bets

Our model's strongest edge in today's Rays vs. Nationals matchup is on the run line.

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

Unlimited access to our complete 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 best bets featured below.

Rays vs. Nationals game-day updates and essential details

Sunday's MLB action between the Nationals and Rays at Nationals Park is scheduled to commence at 1:35PM ET.

• Who: Tampa Bay Rays vs. Washington Nationals
• Date: Sunday, August 31, 2025
• Time: 1:35PM ET/10:35AM PT
• Venue: Nationals Park

Dimers.com's in-depth preview of Sunday's Rays vs. Nationals matchup includes our prediction, picks and the latest betting odds.

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

Conclusion

We predict the Rays, with a 56% win probability, will likely beat the Nationals on Sunday.

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

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