Diamondbacks vs Cardinals Prediction and MLB Tips - 20 July 2025
Last updated: Jul 19, 2025, 11:16PM | Published: Jul 18, 2025, 7:49PM
The Arizona Diamondbacks will take on the St. Louis Cardinals in MLB action at Chase Field on Sunday, commencing at 9:15am AEST.
Ryne Nelson (5-2, 3.68 ERA) will start for the Diamondbacks, while the Cardinals will counter with Sonny Gray (9-3, 3.50 ERA).
This article features Stats Insider's top betting tips for the Diamondbacks vs Cardinals 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 Sunday's Arizona vs St. Louis MLB match-up 10,000 times.
Our leading predictive analytics model currently gives the Cardinals a 54% chance of beating the Diamondbacks at Chase Field.
Diamondbacks vs Cardinals: Odds
The latest betting odds in Australia for Sunday's MLB game at Chase Field are shown here:
- Head to Head: Diamondbacks $2.15, Cardinals $1.74
- Line: Diamondbacks +1.5 ($1.65), Cardinals -1.5 ($2.29)
- 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 Diamondbacks at $2.15 and the Cardinals at $1.74.
The Diamondbacks are listed as 1.5-run underdogs against the Cardinals, with odds of $1.65 available at TAB.
For the favourite Cardinals (-1.5) to cover the line, TAB offers odds of $2.29.
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 60% of the time, while the 8.5-run over/under is expected to stay under 52% of the time.
Diamondbacks vs Cardinals: Betting Tips
- Head to Head: Arizona at $2.15 with TAB
- Line: Diamondbacks +1.5 at $1.65 with TAB
- Total Runs: Under 8.5 at $1.91 with TAB
Stats Insider's Diamondbacks vs Cardinals best bets are based on detailed modelling and betting intelligence to give 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 due to the edge found when comparing our data-driven probabilities to the odds currently on offer.
Taking advantage of the edges published here at Stats Insider is crucial to achieving long-term success as a bettor.
Diamondbacks vs Cardinals: Prediction
Stats Insider provides full betting coverage of the Arizona vs St. Louis game on Sunday, including data-driven predictions and live win probabilitiestips.
Our model updates regularly, so keep checking this article for the latest betting analysis before the Arizona vs St. Louis game.
As always, see Stats Insider's Best Bets for the best 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 commence at 9:15am AEST on Sunday.
- Teams: Arizona Diamondbacks vs St. Louis Cardinals
- Date: Sunday 20 July 2025
- Time: 9:15am AEST
- Venue: Chase Field
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise stated.
Conclusion
Our Arizona vs St. Louis predictions are based on 10,000 data-driven simulations of the game, all curated by our team of skilled 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 vital to 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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