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Pirates vs. Diamondbacks prediction: Why Pittsburgh is favored to win Wednesday's MLB matchup [5/6/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get Pittsburgh Pirates vs Arizona Diamondbacks predictions for MLB Wednesday.
The Arizona Diamondbacks will square off with the Pittsburgh Pirates, in what is expected to be a close MLB game, at Chase Field on Wednesday, commencing at 9:40 PM ET.
The Diamondbacks will have Michael Soroka (4-1, 4.70 ERA) as their starting pitcher, while the Pirates will counter with Paul Skenes (4-2, 2.91 ERA).
Based on the latest simulations, Dimers' proven MLB model gives the Pirates a slight edge with a 51% win probability over the Diamondbacks.
This article offers a closer look at Wednesday's Pirates vs. Diamondbacks matchup, including best bets and picks.
Pirates vs. Diamondbacks prediction: Who will win and cover?
Using trusted machine learning and data analysis, we have simulated the outcome of Wednesday's MLB game between the Pirates and Diamondbacks, forming part of our MLB predictions coverage.
Our leading predictive model currently gives the Pirates a 51% chance of defeating the Diamondbacks.
According to our model, the Diamondbacks (+1.5) have a 59% chance of covering the run line, while the 8-run over/under has a 54% chance of going over.
Pirates vs. Diamondbacks odds [5/6/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Pirates | Diamondbacks |
|---|---|---|
| Run Line | -1.5 (+135) | +1.5 (-154) |
| Moneyline | -126 | +112 |
| Total | o8 (-105) | u8 (-115) |
All odds are correct at the time of publication and are subject to change.
Pirates vs. Diamondbacks picks and best bet
After matching our predictions against the best current 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 | Pirates -1.5 | +135 |
| Moneyline | Diamondbacks | +112 |
| Total | Over 8 | -105 |
According to our MLB best bets, the top play to make on this game is Over 8 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Pirates vs. Diamondbacks game-day updates and essential details
Wednesday's MLB game between the Diamondbacks and Pirates at Chase Field is scheduled to begin at 9:40 PM ET.
- Who: Pittsburgh Pirates vs. Arizona Diamondbacks
- Date: Wednesday, May 6, 2026
- Time: 9:40 PM ET/6:40PM PT
- Venue: Chase Field
Conclusion
We predict the Pirates, with a 51% win probability, will likely beat the Diamondbacks in Wednesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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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