Cardinals vs Diamondbacks Prediction and MLB Tips - 23 June 2026
Last updated: Jun 22, 2026, 11:45PM | Published: Jun 21, 2026, 6:31PM
The St. Louis Cardinals will sqaure off with the Arizona Diamondbacks in MLB action at Busch Stadium on Tuesday, starting at 9:45am AEST.
Andre Pallante (8-4, 3.76 ERA) will be on the bump for the Cardinals, up against Merrill Kelly (5-6, 5.81 ERA) for the Diamondbacks.
This article features Stats Insider's top betting tips for the Cardinals vs Diamondbacks game, plus the latest betting odds in Australia.
Who Will Win?
Based on trusted computer power and data, Stats Insider has simulated the result of Tuesday's St. Louis vs Arizona MLB game 10,000 times.
Our proven predictive analytics model currently gives the Cardinals a 54% chance of defeating the Diamondbacks at Busch Stadium.
Cardinals vs Diamondbacks: Odds
The latest betting odds in Australia for Tuesday's MLB game at Busch Stadium are shown below:
- Head to Head: Cardinals $1.67, Diamondbacks $2.25
- Line: Cardinals -1.5 ($2.40), Diamondbacks +1.5 ($1.61)
- Total (Over/Under 8.5 Runs): Over $1.91, Under $1.91
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, the bookmakers currently have the Cardinals at $1.67 and the Diamondbacks at $2.25.
The Cardinals are listed as 1.5-run favourites against the Diamondbacks, with odds of $2.40 available at TAB.
For the underdog Diamondbacks (+1.5) to cover the line, TAB offers odds of $1.61.
The over/under for total runs scored is set at 8.5 with TAB, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's analytics model, the Diamondbacks (+1.5) are predicted to cover the line 63% of the time, while the 8.5-run over/under is expected to go over 54% of the time.
Cardinals vs Diamondbacks: Betting Tips
- Head to Head: Arizona at $2.25 with TAB
- Line: Diamondbacks +1.5 at $1.61 with TAB
- Total Runs: Over 8.5 at $1.91 with TAB
Today's Cardinals vs Diamondbacks predictions are based on complex modelling and wagering expertise to bring you the best possible advice around the clock.
While the Cardinals have a higher chance of winning the game, betting on the Diamondbacks to win is our preferred option because of the 3.3% edge identified when comparing our data-driven probabilities to the odds currently on offer.
Taking advantage of the edges published on Stats Insider is one of the keys to achieving long-term success as a sports bettor.
Cardinals vs Diamondbacks: Prediction
Stats Insider provides full coverage of the St. Louis vs Arizona game on Tuesday, including data-driven predictions and live updatestips.
Our model updates regularly, so refresh this page for the latest betting predictions before the St. Louis vs Arizona match-up.
As always, see Stats Insider's Best Bets for the best tips for every MLB game, plus predictions for a wide range of other sports.
Cardinals vs Diamondbacks: Essential Details
The match-up between the Cardinals and Diamondbacks at Busch Stadium is scheduled to commence at 9:45am AEST on Tuesday.
- Teams: St. Louis Cardinals vs Arizona Diamondbacks
- Date: Tuesday 23 June 2026
- Time: 9:45am AEST
- Venue: Busch Stadium
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our St. Louis vs Arizona predictions have been made based on 10,000 data-driven simulations of the game, all curated by our team of experienced data scientists and analysts. We use cutting-edge technology and machine learning to ensure our MLB tips are accurate and reliable, giving you the confidence to make informed decisions.
If you decide to use our predictions for betting purposes, it's crucial that you gamble responsibly and know when to stop. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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