MLB Prop Bets: Kansas City Royals vs Boston Red Sox (May 20, 2026)
The Boston Red Sox (21-27) face the Kansas City Royals (20-29) at Kauffman Stadium on Wednesday at 7:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Connelly Early is the probable pitcher for the Red Sox, while Michael Wacha is the probable pitcher for the Royals. The Royals are favored to win at -120, while the Red Sox are at -101. The total runs line is set at 8.0, with OVER at -109 and UNDER at -110.
- The Red Sox (+162) have a 20-28 Run Line record this season, while the Royals (-198) hold a record of 21-28.
- The Red Sox have a 21-26-1 O/U record this season (meaning 21 games have gone over the total runs line, 26 have gone under and one has resulted in a push). The Royals have a 22-25-2 O/U record.
Scoring Insights
- The Red Sox are averaging 3.7 runs per game this season (29th in the league). Comparatively, the Royals are averaging 3.9 (27th).
- In the field, the Red Sox are allowing only 3.9 runs per game this season (6th in the league), while the Royals are allowing an average of 4.5 runs (18th).
Let's take a look at how these teams perform in some other key statistical areas.
Batting Insights:
Batting Average
- Looking at their batting averages this season, the Red Sox are at .239 (ranking 16th in the Major leagues), while the Royals are batting .238 (17th).
Home Runs
- In terms of total home runs this season, the Royals have hit 46 (19th in the Major Leagues). Meanwhile, the Red Sox have managed 35 (29th).
Runs Batted In
- Finally, looking at their runs batted in, the Red Sox have recorded 170 RBIs to rank 28th in the MLB this season. Comparatively, the Royals have recorded 184 RBIs to rank 25th.
Pitching Insights:
Earned Run Average
- The Royals have an earned run average of 4.31 this season (22nd in the Majors), while The Red Sox have an ERA of 3.69 (7th).
Strikeouts
- Turning our attention to total strikeouts, the Red Sox have recorded 393 this season, ranking T18th in the MLB. Meanwhile, the Royals rank 14th for total strikeouts, recording 409.
Opponent Batting Average
- Opponents are batting an average of .243 against the Royals this season (18th in the Major Leagues). Comparatively, the Red Sox's opponents are at .235 (11th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Red Sox | 4-16-28 | 1-5-16 | 3-11-12 | 1-8-21 | 3-8-7 | 0-0-0 | 0-5-5 |
| Royals | 7-11-31 | 3-5-17 | 4-6-14 | 3-6-18 | 4-5-13 | 0-0-0 | 3-2-5 |
Lead After Three Innings
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Red Sox | 14-19-15 | 8-7-7 | 6-12-8 | 9-9-12 | 5-10-3 | 0-0-0 | 2-5-3 |
| Royals | 15-23-11 | 9-10-6 | 6-13-5 | 7-14-6 | 8-9-5 | 0-0-0 | 3-5-2 |
NRFI/YRFI
- The NRFI is 26-22 in Red Sox games this season. The Royals have a 29-20 NRFI record.
Last Time They Met
The Red Sox recorded a 7-1 victory over the Royals at Kauffman Stadium yesterday. Jarren Duran was unstoppable in that matchup, hitting a home run, a double and recording 3 RBIs. The Red Sox have now won four straight at Kauffman Stadium against the Royals.
