Sep 15, 2026
Mariners vs. Angels prediction: Seattle favored to win Tuesday's MLB matchup [9/15/2026]
Read Article Marlins vs. Diamondbacks prediction: Why Arizona is favored to win Tuesday's MLB matchup [9/15/2026]
Updated: | First published:
Add Dimers on Google 
Written by Dave Garofolo, Content Producer
Dimers' simulation model projects a 60.0% win probability for the Diamondbacks at Chase Field.
The Arizona Diamondbacks will take on the Miami Marlins in MLB action at Chase Field on Tuesday, beginning at 9:40 PM ET.
Michael Soroka (8-5, 3.53 ERA) will start for the Diamondbacks, while the Marlins have opted for Janson Junk (6-9, 4.54 ERA).
Dimers' advanced MLB model projects the Diamondbacks as the most likely winner in this Marlins vs. Diamondbacks prediction.
This article offers a closer look at Tuesday's matchup, including best bets and picks.
Marlins vs. Diamondbacks prediction and odds
Using innovative machine learning and data, we have re-simulated the outcome of Tuesday's MLB matchup between the Marlins and Diamondbacks, forming part of our MLB predictions coverage.
Our independent predictive model gives the Diamondbacks a 60.0% chance of beating the Marlins. According to our model, the Marlins (+1.5) have a 56.8% chance of covering the run line, while the over/under total of 8.5 runs has a 59.9% 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: Marlins +1.5 (-156) / Diamondbacks -1.5 (+150)
- Moneyline: Marlins +135, Diamondbacks -138
- Total: Over/Under 8.5 (-110/+108)
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: Diamondbacks -1.5 @ 40¢ via Polymarket
- Moneyline: Diamondbacks @ 58¢ via Novig
- Total: Over 8.5 @ -110 via bet365
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
Tuesday's MLB action between the Diamondbacks and Marlins at Chase Field is scheduled to commence at 9:40 PM ET.
- Who: Miami Marlins vs. Arizona Diamondbacks
- Date: Tuesday, September 15, 2026
- Time: 9:40 PM ET/6:40PM PT
- Venue: Chase Field
Conclusion
We predict the Diamondbacks, with a 60.0% win probability, will likely beat the Marlins in Tuesday'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.
Every Bet, Every Game, Every Day Every plan unlocks every model, tool and insight, only the billing term changes.
MOST FLEXIBLE
Monthly billed monthly
$29.99
Month to month Pay as you go RECOMMENDED
6 Months one payment
$119.99 $149.99
6 months $20 per month Save $30.00 · 20% LIMITED TIME OFFER BEST VALUE
Annual first year
$169.99 $199.99
12 months $14.17 per month Save $30.00 · 15% LIMITED TIME OFFER Every plan includes
Full site access
iOS & Android app
AI bet assistant
Unlimited picks & predictions
Unlimited best bets & props
Unlimited player projections
Private Discord community
Cancel or pause anytime
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.
Advertiser disclosure
