Diamondbacks vs. Cardinals prediction: Arizona favored to win Tuesday's MLB matchup [6/23/2026]
Get Arizona Diamondbacks vs St. Louis Cardinals predictions for MLB Tuesday.

MLB action continues on Tuesday at 7:45 PM ET as the Arizona Diamondbacks lock horns with the St. Louis Cardinals at Busch Stadium.
The Cardinals will send Kyle Leahy (5-4, 4.63 ERA) to the mound, while the Diamondbacks are going with Eduardo Rodriguez (6-2, 2.44 ERA).
Based on the latest simulation results, Dimers' advanced MLB model gives the Diamondbacks a slight edge with a 51.3% win probability over the Cardinals.
This article offers an expanded analysis of Tuesday's Diamondbacks vs. Cardinals matchup, including best bets and picks.
Diamondbacks vs. Cardinals prediction: Who will win?
Our leading predictive model currently gives the Diamondbacks a 51.3% chance of beating the Cardinals.
According to our model, the 8.5-run over/under has a 53.5% chance of going over,.
Diamondbacks vs. Cardinals odds [6/23/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Diamondbacks | Cardinals |
|---|---|---|
| Moneyline | -104 | -110 |
| Total | o8.5 (-107) | u8.5 (-106) |
All odds are correct at the time of publication and are subject to change.
Diamondbacks vs. Cardinals 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 |
|---|---|---|
| Moneyline | Diamondbacks | -104 |
| Total | Over 8.5 | -107 |
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.
Diamondbacks vs. Cardinals game-day updates and essential details
Tuesday's MLB game between the Cardinals and Diamondbacks at Busch Stadium is scheduled to begin at 7:45 PM ET.
- Who: Arizona Diamondbacks vs. St. Louis Cardinals
- Date: Tuesday, June 23, 2026
- Time: 7:45 PM ET/4:45PM PT
- Venue: Busch Stadium
Conclusion
We predict the Diamondbacks, with a 51.3% win probability, will likely beat the Cardinals in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.



