Diamondbacks vs. Pirates prediction: Why Pittsburgh is favored to win Wednesday's MLB matchup [7/29/2026]

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Written by Dave Garofolo

Get Arizona Diamondbacks vs Pittsburgh Pirates predictions for MLB Wednesday.

Arizona Diamondbacks-Pittsburgh Pirates Predictions and Game Preview.
Arizona Diamondbacks vs. Pittsburgh Pirates MLB prediction for Wednesday, July 29, 2026.

The Pittsburgh Pirates will face the Arizona Diamondbacks, in what is expected to be a tight MLB game, at PNC Park on Wednesday, starting at 12:35 PM ET.

The Pirates will send Jared Jones (2-1, 3.72 ERA) to the mound, up against Eduardo Rodriguez (9-3, 2.64 ERA) for the Diamondbacks.

Dimers' proven MLB model gives the Pirates a slight edge with a 54.5% win probability over the Diamondbacks.

This article offers further insights into Wednesday's Diamondbacks vs. Pirates matchup, including best bets and picks.

Diamondbacks vs. Pirates prediction: Who will win and cover?

Using powerful machine learning and data, we have simulated the outcome of Wednesday's MLB game between the Diamondbacks and Pirates, forming part of our MLB predictions coverage.

Our independent predictive model gives the Pirates a 54.5% chance of beating the Diamondbacks.

According to our model, the Diamondbacks (+1.5) have a 62.1% chance of covering the run line, while the over/under total of 8.5 runs has a 52.5% chance of going over,.

 

Diamondbacks vs. Pirates odds [7/29/2026]

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

Bet Type Diamondbacks Pirates
Run Line +1.5 (-170) -1.5 (+163)
Moneyline +127 -127
Total o8.5 (+108) u8.5 (-113)

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

Diamondbacks vs. Pirates 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:

Bet Type Pick Bet Now
Run Line Pirates -1.5 +163
Moneyline Diamondbacks +127
Total Over 8.5 +108

According to our MLB best bets, the top play to make on this game is Over 8.5 total runs.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

 

Diamondbacks vs. Pirates game-day updates and essential details

Wednesday's MLB game between the Pirates and Diamondbacks at PNC Park is scheduled to commence at 12:35 PM ET.

Conclusion

We predict the Pirates, with a 54.5% 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.

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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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