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Red Sox vs. Cardinals prediction: Boston favored to win Sunday's MLB matchup [4/12/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get Boston Red Sox vs St. Louis Cardinals predictions for MLB Sunday.
The St. Louis Cardinals and Boston redsox will lock horns in MLB action at Busch Stadium on Sunday, starting at 2:15 PM ET.
Andre Pallante (1-0, 1.80 ERA) will get the ball for the Cardinals, up against Brayan Bello (0-1, 9.00 ERA) for the Red Sox.
Based on updated simulations, Dimers' advanced MLB model gives the Red Sox a slight edge with a 52% win probability over the Cardinals.
This article offers an expanded analysis of Sunday's Red Sox vs. Cardinals matchup, including best bets and picks.
Red Sox vs. Cardinals prediction: Who will win and cover?
Using trusted machine learning and data analysis, we have simulated the outcome of Sunday's MLB matchup between the Red Sox and Cardinals, forming part of our MLB predictions coverage.
Our independent predictive model gives the Red Sox a 52% chance of defeating the Cardinals.
According to our model, the Cardinals (+1.5) have a 59% chance of covering the run line, while the over/under total of nine runs has a 53% chance of going over.
Red Sox vs. Cardinals odds [4/12/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Red Sox | Cardinals |
|---|---|---|
| Run Line | -1.5 (+145) | +1.5 (-172) |
| Moneyline | -115 | +100 |
| Total | o9 (-104) | u9 (-105) |
All odds are correct at the time of publication and are subject to change.
Red Sox vs. Cardinals 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 | Red Sox -1.5 | +145 |
| Moneyline | Red Sox | -115 |
| Total | Over 9 | -104 |
According to our best MLB bets, the top play to make on this game is Over 9 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Red Sox vs. Cardinals game-day updates and essential details
Sunday's MLB matchup between the Cardinals and Red Sox at Busch Stadium is scheduled to start at 2:15 PM ET.
- Who: Boston Red Sox vs. St. Louis Cardinals
- Date: Sunday, April 12, 2026
- Time: 2:15 PM ET/11:15AM PT
- Venue: Busch Stadium
Conclusion
We predict the Red Sox, with a 52% win probability, will likely beat the Cardinals in Sunday'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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