Cardinals vs. Pirates prediction: Why Pittsburgh is favored to win Wednesday's MLB matchup [9/23/2026]

profile-img
Written by Dave Garofolo

Dimers' simulation model projects a 57.0% win probability for the Pirates at PNC Park.

The St. Louis Cardinals take on the Pittsburgh Pirates in MLB action.
St. Louis Cardinals vs. Pittsburgh Pirates MLB prediction for Wednesday, September 23, 2026.

The Pittsburgh Pirates will take on the St. Louis Cardinals in MLB action at PNC Park on Wednesday, beginning at 6:40 PM ET.

Lake Bachar (1-4, 3.56 ERA) will get the ball for the Pirates, while the Cardinals are going with Matthew Liberatore (5-14, 5.36 ERA).

Dimers' proven MLB model projects the Pirates as the most likely winner in this Cardinals vs. Pirates prediction.

This article offers an expanded analysis of Wednesday's matchup, including best bets and picks.

Cardinals vs. Pirates prediction and odds

Using innovative machine learning and data analysis, we have re-simulated the result of Wednesday's MLB matchup between the Cardinals and Pirates, forming part of our MLB predictions coverage.

Our leading predictive model currently gives the Pirates a 57.0% chance of defeating the Cardinals. According to our model, the Cardinals (+1.5) have a 61.0% chance of covering the run line, while the over/under total of 7.5 runs has a 50.4% chance of staying under.

 

Latest betting odds

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

  • Run Line: Cardinals +1.5 (-174) / Pirates -1.5 (+170)
  • Moneyline: Cardinals +127, Pirates -127
  • Total: Over/Under 7.5 (+106/-108)

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: Pirates -1.5 @ 37¢ via Novig
  • Moneyline: Pirates @ 56¢ via Novig
  • Total: Over 7.5 @ 49¢ via Novig

According to our MLB best bets, the top play to make on this game is Pirates -1.5 at the spread.

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

Game info & first pitch details

Wednesday's MLB action between the Pirates and Cardinals at PNC Park is scheduled to commence at 6:40 PM ET.

Conclusion

We predict the Pirates, with a 57.0% win probability, will likely beat the Cardinals in Wednesday'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.

Every Bet, Every Game, Every Day Every plan unlocks every model, tool and insight, only the billing term changes.
MOST FLEXIBLE
Monthly billed monthly
$29.99
Month to month Pay as you go
Renews monthly. Cancel or pause anytime.
RECOMMENDED
6 Months one payment
$119.99 $149.99
6 months $20 per month Save $30.00 · 20% LIMITED TIME OFFER
Renews in 6 months at the standard price.
BEST VALUE
Annual first year
$169.99 $199.99
12 months $14.17 per month Save $30.00 · 15% LIMITED TIME OFFER
Renews yearly at the standard price.
Every plan includes
Full site access
iOS & Android app
AI bet assistant
Unlimited picks & predictions
Unlimited best bets & props
Unlimited player projections
Private Discord community
Cancel or pause anytime
profile-img
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.

Advertiser disclosure

Related Articles

More Articles
Dimers Sports
MLB player props today: Thursday's best props include Jesús Sánchez [9/24/2026]
Read Article
Dimers Sports
Mets vs. Rangers prediction: Why Texas is favored to win Thursday's MLB matchup [9/24/2026]
Read Article
Dimers Sports
Cardinals vs. Pirates prediction: Why Pittsburgh is favored to win Thursday's MLB matchup [9/24/2026]
Read Article