Cubs vs. Marlins prediction: Why Cubs are favored to win Sunday's MLB matchup [9/6/2026]

Using powerful machine learning and data, we have simulated the outcome of Sunday's MLB game between the Cubs and Marlins, forming part of our MLB predictions coverage.

Our independent predictive model gives the Cubs a 56.5% chance of defeating the Marlins.

According to our model, the Marlins (+1.5) have a 55.9% chance of covering the run line, while the 8.5-run over/under has a 50.5% 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: Cubs -1.5 (+122) / Marlins +1.5 (-127)
• Moneyline: Cubs -138, Marlins +135
• Total: Over/Under 8.5 (+111/-113)

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: Marlins +1.5 @ 56¢ via Novig
• Moneyline: Marlins @ 43¢ via Novig
• Total: Over 8.5 @ 47¢ via Novig

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

Sunday's MLB matchup between the Marlins and Cubs at loanDepot park is scheduled to begin at 1:40 PM ET.

• Who: Chicago Cubs vs. Miami Marlins
• Date: Sunday, September 6, 2026
• Time: 1:40 PM ET/10:40AM PT
• Venue: loanDepot park

Conclusion

We predict the Cubs, with a 56.5% win probability, will likely beat the Marlins in Sunday's MLB matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.