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Cardinals vs. Padres prediction: San Diego favored to win Saturday's MLB matchup [5/9/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get St. Louis Cardinals vs San Diego Padres predictions for MLB Saturday.
The San Diego Padres and St. Louis Cardinals are scheduled to meet in MLB action at Petco Park on Saturday, starting at 7:15 PM ET.
Randy Vásquez (3-1, 3.20 ERA) will be on the bump for the Padres, up against Dustin May (3-3, 5.16 ERA) for the Cardinals.
Based on updated simulation results, Dimers' proven MLB model predicts the Padres as the most likely winner of the Cardinals vs. Padres game.
This article offers a closer look at Saturday's matchup, including best bets and picks.
Cardinals vs. Padres prediction: Who will win and cover?
Using powerful machine learning and statistical analysis, we have simulated the result of Saturday's MLB matchup between the Cardinals and Padres, forming part of our MLB predictions coverage.
Our independent predictive model currently gives the Padres a 55% chance of beating the Cardinals.
According to our model, the Cardinals (+1.5) have a 63% chance of covering the run line, while the over/under total of 7.5 runs has a 55% chance of going over.
Cardinals vs. Padres odds [5/9/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Cardinals | Padres |
|---|---|---|
| Run Line | +1.5 (-182) | -1.5 (+155) |
| Moneyline | +120 | -140 |
| Total | o7.5 (-115) | u7.5 (-105) |
All odds are correct at the time of publication and are subject to change.
Cardinals vs. Padres picks and best bet
After matching our probabilities against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Cardinals +1.5 | -182 |
| Moneyline | Cardinals | +120 |
| Total | Over 7.5 | -115 |
According to our MLB best bets, the top play to make on this game is Over 7.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Cardinals vs. Padres game-day updates and essential details
Saturday's MLB game between the Padres and Cardinals at Petco Park is scheduled to start at 7:15 PM ET.
- Who: St. Louis Cardinals vs. San Diego Padres
- Date: Saturday, May 9, 2026
- Time: 7:15 PM ET/4:15PM PT
- Venue: Petco Park
Conclusion
We predict the Padres, with a 55% win probability, will likely beat the Cardinals in Saturday'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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