Yankees vs. Diamondbacks prediction: Why Yankees are favored to win Friday's MLB matchup [9/18/2026]

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Written by Dave Garofolo

Dimers' simulation model projects a 51.6% win probability for the Yankees at Chase Field.

The New York Yankees take on the Arizona Diamondbacks in MLB action.
New York Yankees vs. Arizona Diamondbacks MLB prediction for Friday, September 18, 2026.

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

Using powerful machine learning and data analysis, we have re-simulated the outcome of Friday's MLB game between the Yankees and Diamondbacks, forming part of our MLB predictions coverage.

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.

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.

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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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