Padres vs. Diamondbacks prediction: Why Arizona is favored to win Tuesday's MLB matchup [8/4/2026]
Get San Diego Padres vs Arizona Diamondbacks predictions for MLB Tuesday.
The Arizona Diamondbacks and San Diego Padres will lock horns in MLB action at Chase Field on Tuesday, starting at 9:40 PM ET.
Eduardo Rodriguez (10-3, 2.48 ERA) will be the starting pitcher for the Diamondbacks, up against Randy Vásquez (6-6, 4.45 ERA) for the Padres.
Dimers' proven 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?
Our leading predictive model gives the Diamondbacks a 54.1% chance of defeating the Padres.
According to our model, the Padres (+1.5) have a 60.6% chance of covering the run line, while the 8.5-run over/under has a 63.5% chance of going over,.
Padres vs. Diamondbacks odds [8/4/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Padres | Diamondbacks |
|---|---|---|
| Run Line | +1.5 (-178) | -1.5 (+174) |
| Moneyline | +110 | -113 |
| Total | o8.5 (-120) | u8.5 (+117) |
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 | +174 |
| Moneyline | Diamondbacks | -113 |
| Total | Over 8.5 | -120 |
According to our best MLB 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 sportsbook odds.
Padres vs. Diamondbacks game-day updates and essential details
Tuesday's MLB game 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.
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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.
