Royals vs. Cardinals prediction: St. Louis favored to win Saturday's MLB matchup [5/16/2026]
Get Kansas City Royals vs St. Louis Cardinals predictions for MLB Saturday.

The St. Louis Cardinals and Kansas City Royals are scheduled to meet in MLB action at Busch Stadium on Saturday, starting at 2:15 PM ET.
The Cardinals will start Kyle Leahy (4-3, 4.31 ERA), while the Royals are going with Noah Cameron (2-2, 5.55 ERA).
Based on the latest simulation results, Dimers' advanced MLB model gives the Cardinals a slight edge with a 51% win probability over the Royals.
This article offers a closer look at Saturday's Royals vs. Cardinals matchup, including best bets and picks.
Royals vs. Cardinals prediction: Who will win and cover?
Our famous predictive model gives the Cardinals a 51% chance of beating the Royals.
According to our model, the Royals (+1.5) have a 65% chance of covering the run line, while the over/under total of nine runs has a 53% chance of going over.
Royals vs. Cardinals odds [5/16/2026]
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 | +100 | -118 |
| Total | o9 (-110) | u9 (-105) |
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 | Royals +1.5 | -210 |
| Moneyline | Royals | +100 |
| Total | Over 9 | -110 |
According to our MLB best 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
Saturday's MLB game 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: Saturday, May 16, 2026
- Time: 2:15 PM ET/11:15AM PT
- Venue: Busch Stadium
Conclusion
We predict the Cardinals, with a 51% win probability, will likely beat the Royals in Saturday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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