Red Sox vs. Royals prediction: Kansas City favored to win Wednesday's MLB matchup [5/20/2026]
Get Boston Red Sox vs Kansas City Royals predictions for MLB Wednesday.

The Kansas City Royals will take on the Boston Red Sox, in what is expected to be a close MLB game, at Kauffman Stadium on Wednesday, starting at 7:40 PM ET.
Michael Wacha (4-2, 2.83 ERA) will start for the Royals, up against Connelly Early (3-2, 3.21 ERA) for the Red Sox.
Based on the latest simulation results, Dimers' proven MLB model gives the Royals a slight edge with a 51% win probability over the Red Sox.
This article offers further insights into Wednesday's Red Sox vs. Royals matchup, including best bets and picks.
Red Sox vs. Royals prediction: Who will win?
Our leading predictive model gives the Royals a 51% chance of beating the Red Sox.
According to our model, the 7.5-run over/under has a 56% chance of going over.
Red Sox vs. Royals odds [5/20/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Red Sox | Royals |
|---|---|---|
| Moneyline | -102 | -114 |
| Total | o7.5 (-111) | u7.5 (-108) |
All odds are correct at the time of publication and are subject to change.
Red Sox vs. Royals picks and best bet
After matching our probabilities against the best available 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 |
|---|---|---|
| Moneyline | Red Sox | -102 |
| Total | Over 7.5 | -111 |
According to our MLB best bets, the top play to make on this game is Over 7.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Red Sox vs. Royals game-day updates and essential details
Wednesday's MLB game between the Royals and Red Sox at Kauffman Stadium is scheduled to commence at 7:40 PM ET.
- Who: Boston Red Sox vs. Kansas City Royals
- Date: Wednesday, May 20, 2026
- Time: 7:40 PM ET/4:40PM PT
- Venue: Kauffman Stadium
Conclusion
We predict the Royals, with a 51% win probability, will likely beat the Red Sox in Wednesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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