Diamondbacks vs Cardinals Prediction and MLB Tips - 20 July 2026
Last updated: Jul 19, 2026, 8:08PM | Published: Jul 18, 2026, 6:38PM
The Arizona Diamondbacks will sqaure off with the St. Louis Cardinals in MLB action at Chase Field on Monday, beginning at 6:10am AEST.
The Diamondbacks will have Eduardo Rodriguez (8-3, 2.29 ERA) start, up against Andre Pallante (10-6, 3.96 ERA) for the Cardinals.
This article features Stats Insider's best betting tips for the Diamondbacks vs Cardinals game, along with the latest betting odds in Australia.
Who Will Win?
Utilising advanced computer power and data, Stats Insider has simulated the result of Monday's Arizona vs St. Louis MLB game 10,000 times.
Our independent predictive analytics model gives the Diamondbacks a 56% chance of beating the Cardinals at Chase Field.
Diamondbacks vs Cardinals: Odds
The latest betting odds in Australia for Monday's MLB game at Chase Field are shown here:
- Head to Head: Diamondbacks $1.80, Cardinals $2.05
- Line: Diamondbacks -1.5 ($2.60), Cardinals +1.5 ($1.53)
- Total (Over/Under 9 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 Diamondbacks at $1.80 and the Cardinals at $2.05.
The Diamondbacks are listed as 1.5-run favourites against the Cardinals, with odds of $2.60 available at TAB.
For the underdog Cardinals (+1.5) to cover the line, TAB offers odds of $1.53.
The over/under for total runs scored is set at 9 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 Cardinals (+1.5) are predicted to cover the line 60% of the time, while the 9-run over/under is expected to go over 58% of the time.
Diamondbacks vs Cardinals: Betting Tips
- Head to Head: Arizona at $1.80 with TAB
- Line: Diamondbacks -1.5 at $2.60 with TAB
- Total Runs: Over 9 at $1.91 with TAB
Today's Diamondbacks vs Cardinals predictions are based on market-leading modelling and betting experience to help you place more informed bets with your chosen online bookie.
Even though the Cardinals are more likely to cover the line, our best bet of Diamondbacks -1.5 is based on the probability of that happening, as projected by our predictive analytics model, and the top odds available.
Diamondbacks vs Cardinals: Prediction
Stats Insider provides full coverage of the Arizona vs St. Louis game on Monday, including data-driven predictions and expert tips.
Our model updates regularly, so keep checking this page for the latest betting tips before the Arizona vs St. Louis match-up.
As always, see Stats Insider's Best Bets to get betting tips on every MLB game, plus predictions for a wide range of other sports.
Diamondbacks vs Cardinals: Essential Details
The game between the Diamondbacks and Cardinals at Chase Field is scheduled to begin at 6:10am AEST on Monday.
- Teams: Arizona Diamondbacks vs St. Louis Cardinals
- Date: Monday 20 July 2026
- Time: 6:10am AEST
- Venue: Chase Field
All dates and times mentioned in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Arizona vs St. Louis predictions are based on 10,000 data-driven simulations of the game, carefully curated by our team of experienced data scientists and analysts. We use the latest in predictive analytics technology and machine learning to ensure our MLB tips are trustworthy and reliable, giving you the knowledge you need to make informed decisions with confidence.
If you choose to use our MLB 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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