Marlins vs. Cubs prediction: Why Cubs are favored to win Wednesday's MLB matchup [9/23/2026]
Dimers' simulation model projects a 63.1% win probability for the Cubs at Wrigley Field.

MLB action continues on Wednesday at 7:40 PM ET as the Miami Marlins lock horns with the Chicago Cubs at Wrigley Field.
Kevin Gausman (9-12, 4.55 ERA) will be on the bump for the Cubs, while the Marlins are going with Ryan Gusto (1-5, 4.14 ERA).
Dimers' proven MLB model projects the Cubs as the most likely winner in this Marlins vs. Cubs prediction.
This article offers further insights into Wednesday's matchup, including best bets and picks.
Marlins vs. Cubs prediction and odds
Our leading predictive model gives the Cubs a 63.1% chance of defeating the Marlins. According to our model, the Marlins (+1.5) have a 56.0% chance of covering the run line, while the 6.5-run over/under has a 58.8% 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: Marlins +1.5 (-138) / Cubs -1.5 (+141)
- Moneyline: Marlins +160, Cubs -163
- Total: Over/Under 6.5 (-113/+111)
All odds are correct at the time of publication and are subject to change.
Model picks and best bet
After matching our probabilities 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: Cubs -1.5 @ 41¢ via Novig
- Moneyline: Cubs @ 62¢ via Novig
- Total: Over 6.5 @ 53¢ via Novig
According to our best MLB bets, the top play to make on this game is Over 6.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the current available odds.
Game info & first pitch details
Wednesday's MLB matchup between the Cubs and Marlins at Wrigley Field is scheduled to start at 7:40 PM ET.
- Who: Miami Marlins vs. Chicago Cubs
- Date: Wednesday, September 23, 2026
- Time: 7:40 PM ET/4:40PM PT
- Venue: Wrigley Field
Conclusion
We predict the Cubs, with a 63.1% win probability, will likely beat the Marlins in Wednesday'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.



