Diamondbacks vs. Nationals prediction: Why Arizona is favored to win Sunday's MLB matchup [7/26/2026]
Get Arizona Diamondbacks vs Washington Nationals predictions for MLB Sunday.

The Washington Nationals and Arizona dbacks will meet in MLB action at Nationals Park on Sunday, starting at 1:35 PM ET.
The Nationals will have Miles Mikolas (3-7, 5.60 ERA) as their starting pitcher, up against Kohl Drake (0-0, 1.80 ERA) for the Diamondbacks.
Based on updated simulations, Dimers' advanced MLB model gives the Diamondbacks a slight edge with a 53.8% win probability over the Nationals.
This article offers further insights into Sunday's Diamondbacks vs. Nationals matchup, including best bets and picks.
Diamondbacks vs. Nationals prediction: Who will win and cover?
Our leading predictive model gives the Diamondbacks a 53.8% chance of beating the Nationals.
According to our model, the Nationals (+1.5) have a 56.3% chance of covering the run line, while the over/under total of 10.5 runs has a 50.1% chance of going over,.
Diamondbacks vs. Nationals odds [7/26/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Diamondbacks | Nationals |
|---|---|---|
| Run Line | -1.5 (+138) | +1.5 (-141) |
| Moneyline | -108 | +108 |
| Total | o10.5 (+113) | u10.5 (-113) |
All odds are correct at the time of publication and are subject to change.
Diamondbacks vs. Nationals picks and best bet
After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Diamondbacks -1.5 | +138 |
| Moneyline | Diamondbacks | -108 |
| Total | Over 10.5 | +113 |
According to our MLB best bets, the top play to make on this game is Over 10.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Diamondbacks vs. Nationals game-day updates and essential details
Sunday's MLB game between the Nationals and Diamondbacks at Nationals Park is scheduled to start at 1:35 PM ET.
- Who: Arizona Diamondbacks vs. Washington Nationals
- Date: Sunday, July 26, 2026
- Time: 1:35 PM ET/10:35AM PT
- Venue: Nationals Park
Conclusion
We predict the Diamondbacks, with a 53.8% win probability, will likely beat the Nationals in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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