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Read Article Padres vs. Diamondbacks prediction: Why Arizona is favored to win Tuesday's MLB matchup [8/4/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get San Diego Padres vs Arizona Diamondbacks predictions for MLB Tuesday.
The Arizona Diamondbacks will take on the San Diego Padres, in what is expected to be a close MLB game, at Chase Field on Tuesday, commencing at 9:40 PM ET.
The Diamondbacks will have Eduardo Rodriguez (10-3, 2.48 ERA) as their starting pitcher, up against Randy Vásquez (6-6, 4.45 ERA) for the Padres.
Dimers' advanced MLB model gives the Diamondbacks a slight edge with a 54.1% win probability over the Padres.
This article offers a closer look at Tuesday's Padres vs. Diamondbacks matchup, including best bets and picks.
Padres vs. Diamondbacks prediction: Who will win and cover?
Using trusted machine learning and data analysis, we have simulated the outcome of Tuesday's MLB game between the Padres and Diamondbacks, forming part of our MLB predictions coverage.
Our famous predictive model gives the Diamondbacks a 54.1% chance of defeating the Padres.
According to our model, the Padres (+1.5) have a 60.5% chance of covering the run line, while the over/under total of nine runs has a 59.0% chance of going over,.
Padres vs. Diamondbacks odds [8/4/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Padres | Diamondbacks |
|---|---|---|
| Run Line | +1.5 (-174) | -1.5 (+170) |
| Moneyline | +113 | -113 |
| Total | o9 (+100) | u9 (-115) |
All odds are correct at the time of publication and are subject to change.
Padres vs. Diamondbacks 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:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Diamondbacks -1.5 | +170 |
| Moneyline | Diamondbacks | -113 |
| Total | Over 9 | +100 |
According to our MLB best bets, the top play to make on this game is Over 9 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Padres vs. Diamondbacks game-day updates and essential details
Tuesday's MLB matchup between the Diamondbacks and Padres at Chase Field is scheduled to start at 9:40 PM ET.
- Who: San Diego Padres vs. Arizona Diamondbacks
- Date: Tuesday, August 4, 2026
- Time: 9:40 PM ET/6:40PM PT
- Venue: Chase Field
Conclusion
We predict the Diamondbacks, with a 54.1% win probability, will likely beat the Padres in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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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