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Diamondbacks vs. Orioles prediction: Baltimore favored to win Monday's MLB matchup [4/13/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Arizona Diamondbacks vs Baltimore Orioles predictions for MLB Monday.
The Baltimore Orioles will face the Arizona Diamondbacks, in what is expected to be a close MLB game, at Oriole Park at Camden Yards on Monday, starting at 6:35 PM ET.
The Orioles will have Dean Kremer (0-0, 0.00 ERA) as their starting pitcher, pitting him against Ryne Nelson (1-1, 4.20 ERA) for the Diamondbacks.
Based on updated simulation results, Dimers' advanced MLB model gives the Orioles a slight edge with a 54% win probability over the Diamondbacks.
This article offers an expanded analysis of Monday's Diamondbacks vs. Orioles matchup, including best bets and picks.
Diamondbacks vs. Orioles prediction: Who will win and cover?
Using innovative machine learning and data, we have simulated the outcome of Monday's MLB game between the Diamondbacks and Orioles, forming part of our MLB predictions coverage.
Our famous predictive model gives the Orioles a 54% chance of beating the Diamondbacks.
According to our model, the Diamondbacks (+1.5) have a 63% chance of covering the run line, while the 9-run over/under has a 56% chance of going over.
Diamondbacks vs. Orioles odds [4/13/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Diamondbacks | Orioles |
|---|---|---|
| Run Line | +1.5 (-190) | -1.5 (+162) |
| Moneyline | +110 | -130 |
| Total | o9 (-105) | u9 (-112) |
All odds are correct at the time of publication and are subject to change.
Diamondbacks vs. Orioles picks and best bet
After matching our predictions against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Orioles -1.5 | +162 |
| Moneyline | Diamondbacks | +110 |
| Total | Over 9 | -105 |
According to our MLB best bets, the top play to make on this game is Over 9 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Diamondbacks vs. Orioles game-day updates and essential details
Monday's MLB game between the Orioles and Diamondbacks at Oriole Park at Camden Yards is scheduled to commence at 6:35 PM ET.
- Who: Arizona Diamondbacks vs. Baltimore Orioles
- Date: Monday, April 13, 2026
- Time: 6:35 PM ET/3:35PM PT
- Venue: Oriole Park at Camden Yards
Conclusion
We predict the Orioles, with a 54% win probability, will likely beat the Diamondbacks in Monday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Jason Bevilacqua, an expert in MLB, NHL, NBA, MLS, and NFL, delivers game previews, best bets, and props. Since 2020, as Head of Social and Community at Dimers, he has contributed insightful articles utilizing data-driven models and simulations.
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