May 23, 2026
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Read Article Royals vs. Cardinals prediction: St. Louis favored to win Sunday's MLB matchup [5/17/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get Kansas City Royals vs St. Louis Cardinals predictions for MLB Sunday.
The St. Louis Cardinals will square off with the Kansas City Royals, in what is expected to be a close MLB game, at Busch Stadium on Sunday, commencing at 2:15 PM ET.
The Cardinals will send Andre Pallante (4-3, 4.46 ERA) to the mound, pitting him against Stephen Kolek (1-0, 6.75 ERA) for the Royals.
Based on updated simulations, Dimers' proven MLB model gives the Cardinals a slight edge with a 52% win probability over the Royals.
This article offers an expanded analysis of Sunday's Royals vs. Cardinals matchup, including best bets and picks.
Royals vs. Cardinals prediction: Who will win and cover?
Using powerful machine learning and statistical analysis, we have simulated the outcome of Sunday's MLB matchup between the Royals and Cardinals, forming part of our MLB predictions coverage.
Our famous predictive model currently gives the Cardinals a 52% chance of beating the Royals.
According to our model, the Royals (+1.5) have a 64% chance of covering the run line, while the 9-run over/under has a 55% chance of going over.
Royals vs. Cardinals odds [5/17/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Royals | Cardinals |
|---|---|---|
| Run Line | +1.5 (-210) | -1.5 (+160) |
| Moneyline | +102 | -120 |
| Total | o9 (-120) | u9 (-102) |
All odds are correct at the time of publication and are subject to change.
Royals vs. Cardinals picks and best bet
After matching our predictions against the best current odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Cardinals -1.5 | +160 |
| Moneyline | Royals | +102 |
| Total | Over 9 | -120 |
According to our best MLB bets, the top play to make on this game is Over 9 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Royals vs. Cardinals game-day updates and essential details
Sunday's MLB action between the Cardinals and Royals at Busch Stadium is scheduled to start at 2:15 PM ET.
- Who: Kansas City Royals vs. St. Louis Cardinals
- Date: Sunday, May 17, 2026
- Time: 2:15 PM ET/11:15AM PT
- Venue: Busch Stadium
Conclusion
We predict the Cardinals, with a 52% win probability, will likely beat the Royals in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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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