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

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Written by Dave Garofolo

Dimers' simulation model projects a 56.5% win probability for the Cubs at loanDepot park.

The Chicago Cubs take on the Miami Marlins in MLB action.
Chicago Cubs vs. Miami Marlins MLB prediction for Sunday, September 6, 2026.

The Miami Marlins and Chicago Cubs will meet in MLB action at loanDepot park on Sunday, starting at 1:40 PM ET.

The Marlins will start Tyler Phillips (4-6, 3.43 ERA), pitting him against Clay Holmes (6-6, 2.09 ERA) for the Cubs.

Dimers' advanced MLB model projects the Cubs as the most likely winner in this Cubs vs. Marlins prediction.

This article offers a closer look at Sunday's matchup, including best bets and picks.

Cubs vs. Marlins prediction and odds

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

Our leading predictive model currently 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 over/under total of 8.5 runs has a 50.5% 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: Cubs -1.5 (+122) / Marlins +1.5 (-125)
  • Moneyline: Cubs -135, Marlins +133
  • 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 @ -125 via BetRivers
  • 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 action between the Marlins and Cubs at loanDepot park is scheduled to begin at 1:40 PM ET.

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.

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Written by
Dave Garofolo
Content Producer

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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