Astros vs. Padres prediction: San Diego favored to win Sunday's MLB matchup [8/9/2026]
Get Houston Astros vs San Diego Padres predictions for MLB Sunday.
The San Diego Padres will square off with the Houston Astros, in what is expected to be a close MLB game, at Petco Park on Sunday, commencing at 8:20 PM ET.
The Padres will start Randy Vásquez (7-6, 4.19 ERA), up against Cristian Javier (1-2, 6.58 ERA) for the Astros.
Dimers' advanced MLB model gives the Padres a slight edge with a 52.7% win probability over the Astros.
This article offers a closer look at Sunday's Astros vs. Padres matchup, including best bets and picks.
Astros vs. Padres prediction: Who will win and cover?
Our famous predictive model currently gives the Padres a 52.7% chance of defeating the Astros.
According to our model, the Astros (+1.5) have a 63.4% chance of covering the run line, while the over/under total of 8.5 runs has a 55.9% chance of going over,.
Astros vs. Padres odds [8/9/2026]
We have researched the best MLB odds in America for this game, which are listed here:
- Run Line: Padres -1.5 @ +178 via Novig
- Moneyline: Astros @ +113 via Polymarket
- Total: Over 8.5 @ -108 via Novig
All odds are correct at the time of publication and are subject to change.
Astros vs. Padres 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:
- Run line: Padres -1.5 @ +178 via DraftKings
- Moneyline: Astros @ +113 via Polymarket
- Total: Over 8.5 @ -108 via Novig 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 sportsbook odds.
Astros vs. Padres game-day updates and essential details
Sunday's MLB action between the Padres and Astros at Petco Park is scheduled to commence at 8:20 PM ET.
- Who: Houston Astros vs. San Diego Padres
- Date: Sunday, August 9, 2026
- Time: 8:20 PM ET/5:20PM PT
- Venue: Petco Park
Conclusion
We predict the Padres, with a 52.7% win probability, will likely beat the Astros in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Continue reading with Dimers Pro
Join now to unlock this article and get full access to our predictions and betting tools. Cancel anytime.
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.
