Yankees vs. Diamondbacks prediction: Why Yankees are favored to win Friday's MLB matchup [9/18/2026]
Dimers' simulation model projects a 51.6% win probability for the Yankees at Chase Field.

The Arizona Diamondbacks will face the New York Yankees, in what is expected to be a tight MLB game, at Chase Field on Friday, starting at 9:40 PM ET.
The Diamondbacks will send Eduardo Rodriguez (15-6, 2.62 ERA) to the mound, while the Yankees have opted for Gerrit Cole (8-9, 3.67 ERA).
Dimers' advanced MLB model gives the Yankees a slight edge with a 51.6% win probability over the Diamondbacks.
This article offers a complete Yankees vs. Diamondbacks prediction, including best bets and picks.
Yankees vs. Diamondbacks prediction and odds
Our leading predictive model currently gives the Yankees a 51.6% chance of defeating the Diamondbacks. According to our model, the Diamondbacks (+1.5) have a 61.3% chance of covering the run line, while the 7.5-run over/under has a 61.9% 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: Yankees -1.5 (+153) / Diamondbacks +1.5 (-156)
- Moneyline: Yankees -104, Diamondbacks +105
- Total: Over/Under 7.5 (-113/+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 available 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 @ 61¢ via Polymarket
- Moneyline: Yankees @ 51¢ via Polymarket
- Total: Over 7.5 @ 53¢ via Novig
According to our MLB best 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
Friday's MLB matchup between the Diamondbacks and Yankees at Chase Field is scheduled to begin at 9:40 PM ET.
- Who: New York Yankees vs. Arizona Diamondbacks
- Date: Friday, September 18, 2026
- Time: 9:40 PM ET/6:40PM PT
- Venue: Chase Field
Conclusion
We predict the Yankees, with a 51.6% win probability, will likely beat the Diamondbacks in Friday'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.



