Orioles vs. Diamondbacks Prediction: Arizona Predicted to Win Wednesday's MLB Matchup [4/9/2025]

MLB action continues on Wednesday at 3:40PM ET as the Baltimore Orioles lock horns with the Arizona Diamondbacks at Chase Field.

Brandon Pfaadt (1-1, 5.25 ERA) will get the ball for the Diamondbacks, up against Dean Kremer (1-1, 6.52 ERA) for the Orioles.

Based on updated simulation results, Dimers' advanced MLB model (see Dimers Pro for full access) predicts the Diamondbacks as the most likely winner of today's game.

"Our team has simulated the outcome of Wednesday's Baltimore-Arizona game 10,000 times," said Dimers' Chief Content Officer, Nick Slade.

"With the latest updates and numerous other variables, we estimate the Diamondbacks' chance of winning at 52%, with the Orioles at 48%."

For a closer look at Wednesday's matchup, including best bets and picks, visit our interactive Orioles vs. Diamondbacks predictions page.

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Orioles vs. Orioles Prediction: Who Will Win?

Using powerful machine learning and data, we have simulated the result of Wednesday's MLB matchup between the Orioles and Diamondbacks 10,000 times as part of our MLB predictions coverage.

Our famous predictive model gives the Diamondbacks a 52% chance of defeating the Orioles.

According to our model, the 9-run over/under also has an equal 50-50 chance of hitting.

Pre-Game Probabilities

Last Updated: 7:28PM, Apr 9

Moneyline

Over / Under

Run Line

Orioles

Win %

48%

52%

+104

-115

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D-Backs

Orioles BAL

+104

Win %

48%

52%

See Matchup

D-Backs ARI

-115

Dean Kremer 1-1, 6.52 ERA

Brandon Pfaadt 1-1, 5.25 ERA

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Orioles vs. Diamondbacks Odds [4/9/2025]

We have researched the best MLB odds in America for this game, which are listed here:

All odds are correct at the time of publication and are subject to change.

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Orioles vs. Diamondbacks Picks and Best Bets

Our model's strongest edge in today's Orioles vs. Diamondbacks matchup is on the moneyline.

Our expert predictions, matched against the current odds, reveal the best MLB picks and MLB best bets for every game throughout the season.

Unlimited access to our full set of picks, including this one, is available via Dimers Pro.

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Calling Our Shot's Best Bets Video

Calling Our Shot produces daily MLB betting content, including the latest free picks featured below.

Orioles vs. Diamondbacks Game-Day Updates and Essential Details

Wednesday's MLB matchup between the Diamondbacks and Orioles at Chase Field is scheduled to begin at 3:40PM ET.

• Who: Baltimore Orioles vs. Arizona Diamondbacks
• Date: Wednesday, April 9, 2025
• Time: 3:40PM ET/12:40PM PT
• Venue: Chase Field

Dimers.com's in-depth preview of Wednesday's Orioles vs. Diamondbacks matchup includes our prediction, picks and the latest betting odds.

Before making any Baltimore vs. Arizona picks, be sure to check out the latest MLB predictions and betting advice from Dimers Pro.

Conclusion

We predict the Diamondbacks, with a 52% win probability, will likely beat the Orioles on Wednesday.

AI and automation have enhanced this article to quickly deliver accurate Orioles vs. Diamondbacks insights, with human oversight ensuring high editorial quality. Our predictions are sourced from the latest data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

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