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Cardinals vs. Padres prediction: San Diego favored to win Friday's MLB matchup [5/8/2026]
Get St. Louis Cardinals vs San Diego Padres predictions for MLB Friday.

The San Diego Padres will face the St. Louis Cardinals in MLB action at Petco Park on Friday, beginning at 9:45 PM ET.
The Padres will send Griffin Canning (0-0, 1.80 ERA) to the mound, up against Michael McGreevy (2-2, 2.52 ERA) for the Cardinals.
Based on the latest simulations, Dimers' proven MLB model projects the Padres as the most likely winner of the Cardinals vs. Padres game.
This article offers further insights into Friday's matchup, including best bets and picks.
Cardinals vs. Padres prediction: Who will win and cover?
Our independent predictive model currently gives the Padres a 57% chance of defeating the Cardinals.
According to our model, the Cardinals (+1.5) have a 60% chance of covering the run line, while the 8-run over/under has a 51% chance of going over.
Cardinals vs. Padres odds [5/8/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Cardinals | Padres |
|---|---|---|
| Run Line | +1.5 (-172) | -1.5 (+153) |
| Moneyline | +124 | -143 |
| Total | o8 (-102) | u8 (-115) |
All odds are correct at the time of publication and are subject to change.
Cardinals 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. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Padres -1.5 | +153 |
| Moneyline | Cardinals | +124 |
| Total | Over 8 | -102 |
According to our MLB best bets, the top play to make on this game is Over 8 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
Friday's MLB game between the Padres and Cardinals at Petco Park is scheduled to commence at 9:45 PM ET.
- Who: St. Louis Cardinals vs. San Diego Padres
- Date: Friday, May 8, 2026
- Time: 9:45 PM ET/6:45PM PT
- Venue: Petco Park
Conclusion
We predict the Padres, with a 57% win probability, will likely beat the Cardinals in Friday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
