White Sox vs. Cardinals prediction: St. Louis favored to win Saturday's MLB matchup [9/12/2026]
Dimers' simulation model projects a 51.7% win probability for the Cardinals at Busch Stadium.

MLB action continues on Saturday at 7:15 PM ET as the Chicago White Sox take on the St. Louis Cardinals at Busch Stadium.
The Cardinals will have Kyle Leahy (10-4, 3.41 ERA) as their starting pitcher, pitting him against Sean Newcomb (2-4, 2.71 ERA) for the White Sox.
Dimers' proven MLB model gives the Cardinals a slight edge with a 51.7% win probability over the White Sox.
This article offers a complete White Sox vs. Cardinals prediction, including best bets and picks.
White Sox vs. Cardinals prediction and odds
Our famous predictive model currently gives the Cardinals a 51.7% chance of defeating the White Sox. According to our model, the White Sox (+1.5) have a 64.2% chance of covering the run line, while the 8.5-run over/under has a 51.8% chance of going over.
Latest betting odds
We have researched the best MLB odds in America for this game, which are listed here:
- Run Line: White Sox +1.5 (-210) / Cardinals -1.5 (+175)
- Moneyline: White Sox +100, Cardinals +100
- Total: Over/Under 8.5 (+104/-106)
All odds are correct at the time of publication and are subject to change.
Model 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: Cardinals -1.5 @ +175 via bet365
- Moneyline: Cardinals @ 50¢ via Novig
- Total: Over 8.5 @ 49¢ via Polymarket
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 current available odds.
Game info & first pitch details
Saturday's MLB matchup between the Cardinals and White Sox at Busch Stadium is scheduled to commence at 7:15 PM ET.
- Who: Chicago White Sox vs. St. Louis Cardinals
- Date: Saturday, September 12, 2026
- Time: 7:15 PM ET/4:15PM PT
- Venue: Busch Stadium
Conclusion
We predict the Cardinals, with a 51.7% win probability, will likely beat the White Sox in Saturday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
This article's predictions and probabilities are generated by Dimers' proprietary MLB prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.




