Giants vs. Cardinals prediction: St. Louis favored to win Monday's MLB matchup [9/14/2026]

The St. Louis Cardinals will square off with the San Francisco Giants in MLB action at Busch Stadium on Monday, commencing at 7:45 PM ET.

Quinn Mathews (1-3, 4.11 ERA) will be the starting pitcher for the Cardinals, while the Giants have opted for Landen Roupp (9-13, 4.00 ERA).

Dimers' proven MLB model projects the Cardinals as the most likely winner in this Giants vs. Cardinals prediction.

This article offers an expanded analysis of Monday's matchup, including best bets and picks.

Giants vs. Cardinals prediction and odds

Using innovative machine learning and data, we have re-simulated the result of Monday's MLB game between the Giants and Cardinals, forming part of our MLB predictions coverage.

Our famous predictive model gives the Cardinals a 56.5% chance of defeating the Giants. According to our model, the Giants (+1.5) have a 61.2% chance of covering the run line, while the 7.5-run over/under has a 57.5% chance of going over.

Latest betting odds

We have sourced the best MLB odds in America for this game, which are listed here:

• Run Line: Giants +1.5 (-156) / Cardinals -1.5 (+156)
• Moneyline: Giants +135, Cardinals -138
• Total: Over/Under 7.5 (-115/+111)

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: Giants +1.5 @ 61¢ via Novig
• Moneyline: Giants @ 43¢ via Novig
• Total: Over 7.5 @ 53¢ via Novig

According to our best MLB 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 current available odds.

Game info & first pitch details

Monday's MLB action between the Cardinals and Giants at Busch Stadium is scheduled to commence at 7:45 PM ET.

• Who: San Francisco Giants vs. St. Louis Cardinals
• Date: Monday, September 14, 2026
• Time: 7:45 PM ET/4:45PM PT
• Venue: Busch Stadium

Conclusion

We predict the Cardinals, with a 56.5% win probability, will likely beat the Giants in Monday'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.