Boston Red Sox (21-27) vs. Kansas City Royals (20-29) May 20, 2026 7:40 pm EDT The Line: Kansas City Royals -120 / Boston Red Sox -101; Over/Under: 8 (Get latest betting odds)
In this article, we will formulate a Red Sox vs Royals Prediction for this MLB matchup on Wednesday, May 20 th in the third game of this series. Let’s take a look at the prediction for this MLB matchup.
The Kansas City Royals have a 20-29 record this season and are sitting in the fifth place of the AL Central. They have a 13-12 home record and are coming off a 7-1 loss against the Red Sox. They will face the Mariners and the Yankees next.
The Royals have a .238 batting average this season, .316 OBP and .381 Slugging percentage. Kansas City’s pitching staff has a 4.31 ERA and 1.38 WHIP. Bobby Witt Jr. is the team’s best hitter with a .301 batting average, also leading the team in RBI with 23. Salvador Perez adds a team-high 7 home runs.
Michael Wacha (R) is the projected starting pitcher for the Royals, and he has a 4-2 record, 2.83 ERA and 0.99 WHIP.
The Boston Red Sox have a 21-27 record this season and are sitting in the fourth place of the AL East. They have a 13-13 away record and are coming off a 7-1 win against the Royals. They will face the Twins and the Braves next.
The Red Sox have a .239 batting average this season, .313 OBP and .362 Slugging percentage. Boston’s pitching staff has a 3.69 ERA and 1.23 WHIP. Wilyer Abreu is the team’s best hitter with a .294 batting average. Willson Contreras leads the team in RBI with 30, adding a team-high 10 home runs.
Connelly Early (L) is the projected starting pitcher for the Red Sox, and he has a 3-2 record, 3.21 ERA and 1.20 WHIP.
The Red Sox are 6-1 in their last 7 meetings against the Royals and have won their last four visits in Kansas City.
In this Red Sox vs Royals Prediction, the Royals are coming as -120 home favorites. The Royals have been struggling mightily with a 1-8 record in their last 9 games but they are putting Wacha on the mound, who has been very good this season and excellent at home with a 2.63 home ERA. The Red Sox are weaker against right-handed pitching this season with just 3.5 runs/9 against righties, so this sets up as a nice bounce-back spot for the Royals at home.