Nationals vs. Padres prediction: San Diego favored to win Wednesday's MLB matchup [9/9/2026]

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Written by Dave Garofolo

Dimers' simulation model projects a 62.0% win probability for the Padres at Petco Park.

The Washington Nationals take on the San Diego Padres in MLB action.
Washington Nationals vs. San Diego Padres MLB prediction for Wednesday, September 9, 2026.

The San Diego Padres and Washington Nationals are scheduled to meet in MLB action at Petco Park on Wednesday, starting at 4:10 PM ET.

Walker Buehler (8-6, 4.56 ERA) will be on the bump for the Padres, while the Nationals have opted for Jackson Kent (1-3, 5.55 ERA).

Dimers' proven MLB model projects the Padres as the most likely winner in this Nationals vs. Padres prediction.

This article offers an expanded analysis of Wednesday's matchup, including best bets and picks.

Nationals vs. Padres prediction and odds

Using powerful machine learning and data analysis, we have re-simulated the outcome of Wednesday's MLB game between the Nationals and Padres, forming part of our MLB predictions coverage.

Our leading predictive model currently gives the Padres a 62.0% chance of beating the Nationals.

According to our model, the Nationals (+1.5) have a 56.2% chance of covering the run line, while the 8.5-run over/under has a 54.8% 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: Nationals +1.5 (-125) / Padres -1.5 (+125)
  • Moneyline: Nationals +174, Padres -177
  • 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 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 @ 56¢ via Novig
  • Moneyline: Nationals @ 36¢ via Novig
  • Total: Over 8.5 @ 52¢ via Polymarket

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 game between the Padres and Nationals at Petco Park is scheduled to commence at 4:10 PM ET.

Conclusion

We predict the Padres, with a 62.0% 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.

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Written by
Dave Garofolo
Content Producer

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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