Red Sox vs. Royals prediction: Boston favored to win Monday's MLB matchup [5/18/2026]
Get Boston Red Sox vs Kansas City Royals predictions for MLB Monday.

The Kansas City Royals will face the Boston Red Sox, in what is expected to be a close MLB game, at Kauffman Stadium on Monday, commencing at 7:10 PM ET.
Seth Lugo (1-3, 3.76 ERA) will be the starting pitcher for the Royals, pitting him against Sonny Gray (4-1, 3.18 ERA) for the Red Sox.
Based on the latest simulation results, Dimers' proven MLB model gives the Red Sox a slight edge with a 51% win probability over the Royals.
This article offers a closer look at Monday's Red Sox vs. Royals matchup, including best bets and picks.
Red Sox vs. Royals prediction: Who will win and cover?
Our independent predictive model gives the Red Sox a 51% chance of beating the Royals.
According to our model, the Royals (+1.5) have a 60% chance of covering the run line, while the over/under total of nine runs has a 54% chance of going over.
Red Sox vs. Royals odds [5/18/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Red Sox | Royals |
|---|---|---|
| Run Line | -1.5 (+150) | +1.5 (-170) |
| Moneyline | -111 | -102 |
| Total | o9 (-113) | u9 (-105) |
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 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 | Red Sox -1.5 | +150 |
| Moneyline | Royals | -102 |
| Total | Over 9 | -113 |
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.
Red Sox vs. Royals game-day updates and essential details
Monday's MLB action between the Royals and Red Sox at Kauffman Stadium is scheduled to start at 7:10 PM ET.
- Who: Boston Red Sox vs. Kansas City Royals
- Date: Monday, May 18, 2026
- Time: 7:10 PM ET/4:10PM PT
- Venue: Kauffman Stadium
Conclusion
We predict the Red Sox, with a 51% win probability, will likely beat the Royals in Monday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.



