Boston Red Sox vs Kansas City Royals Odds

The Red Sox will play the Royals on Wednesday, May 20th, 2026. Your timezone's first pitch time is 7:40 pm EDT. Check local listings or your nearest streaming app for coverage.

Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.


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Table of Contents

Key Matchup Stats

  • SportsBetting3.com Power Rankings - The Boston Red Sox have a 88.33 power ranking. The power ranking for the Kansas City Royals is 85.67.
  • Visiting Boston Red Sox - The Boston Red Sox have a 4-8 record as a visiting team, ranking them 6th Overall for visiting team wins.
  • Home Kansas City Royals - The Kansas City Royals have a 6-6 record as a home team. They rank 4th for home team wins in the Overall standings.
  • Runs Scored - The Boston Red Sox currently stand 20th (89) Overall, with the Kansas City Royals ranking 21st (82) for runs scored.
  • Runs Allowed - The Boston Red Sox are 12th (106) Overall for runs allowed. The Kansas City Royals stand 8th (115) for runs allowed.
  • Team Streaks - The Boston Red Sox lost their last game. Meanwhile, the Kansas City Royals won their last game.
  • Team Records - The Boston Red Sox have a 9-14 Overall record (5.0 GB American East Division), with the Kansas City Royals possessing a 8-16 Overall standing (5.5 GB American Central Division).

Best Red Sox at Royals Odds


Best Moneyline Betting Odds
Underdog

Boston Red Sox
Favorite

Kansas City Royals
The Kansas City Royals are the -120 moneyline favorite. Risk $120 to win $100 on the Kansas City Royals at BetMGM. The Boston Red Sox are the +100 underdog at BetMGM. Risk $100 to win $100 on the Boston Red Sox. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
BetMGM has the best over line of 8 runs. Risk $105 to win $100. BetMGM has the best under line of 8 runs. Risk $115 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Boston Red Sox
Favorite

Kansas City Royals
The Kansas City Royals have a -1.5 +165 run line at BetMGM OH. They are the run line favorite in this matchup. The Boston Red Sox have a +1.5 -220 run line at BetMGM OH. The Boston Red Sox are the run line underdogs. Review how to bet on a point spread with our text and video tutorials.

Matchup Odds FAQs

What is the moneyline for the Boston Red Sox vs Kansas City Royals MLB game on Wednesday, May 20th, 2026?

The Kansas City Royals are the -120 moneyline favorite at BetMGM and the Boston Red Sox are the +100 moneyline underdog at BetMGM.

What is the over-under total line for the Boston Red Sox vs Kansas City Royals MLB game on Wednesday, May 20th, 2026?

The best over line is 8 -105 runs at BetMGM, which means you risk $105 to win $100 betting the over. The best under line is 8 -115 runs at BetMGM, and that means you risk $115 to win $100 betting the under.

What is the run line for the Boston Red Sox vs Kansas City Royals MLB game on Wednesday, May 20th, 2026?

The Kansas City Royals are -1.5 +165 run line favorites at BetMGM, while the Boston Red Sox are +1.5 -220 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Red Sox
Royals
5/20/26 7:40pm EDT
+100-120
Bet $100 at BetMGM Ohio
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Possible Moneyline Outcomes
  • Boston Red Sox bettors risk $100 to win $100 at +100 odds. The implied probability for Boston Red Sox is 50%.
  • Kansas City Royals bettors risk $100 to win $83.33 at -120 odds. The implied probability for Kansas City Royals is 54.55%.

Boston Red Sox at Kansas City Royals Prop Bets

MLB Prop Bets
+ Displays more odds
BetMGM Sports Betting BetMGM
Bet
Red Sox
Royals
5/20/26 7:40pm EDT
Pending BetMGM

Boston Red Sox & Kansas City Royals Futures Odds

Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament. See past Championship results and learn how to bet World Series teasers, props and parlays.

Boston Red Sox World Series Odds
2026 Boston Red Sox World Series Odds

Team
BetMGM Sports Betting BetMGM
Red Sox
+6000
Bet
Kansas City Royals World Series Odds
2026 Kansas City Royals World Series Odds

Team
BetMGM Sports Betting BetMGM
Royals
+6600
Bet

Boston Red Sox & Kansas City Royals Team Pages

Review each team's season win total odds, futures odds, betting bonuses and other valuable information on our exclusive team betting odds pages. Team betting odds and stats update throughout the season:

Team Standings

2026 MLB Regular Season Standings - Boston Red Sox, Kansas City Royals
Team W L Pct GB Home Away RS RA Diff Strk L10
Boston Red Sox29400.420+16.012-2217-18278282-4L14-6
Kansas City Royals29440.397+18.017-2112-23291344-53L14-6

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Boston Red Sox vs Kansas City Royals MLB Game

  1. Open a new sports betting account before game time.

    Review our list of sports betting sites. Open a new account before the game starts on Wednesday, May 20th, 2026 at 7:40 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.

  2. Visit the sportsbook’s cashier, banking, or deposit page.

    Navigate to the sportsbook's deposit page. Use your Visa card or MasterCard, or deposit with a bank transfer, or other methods like Paypal.

  3. Tap to the sportsbook's MLB page, look for the Boston Red Sox vs Kansas City Royals Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Boston Red Sox vs Kansas City Royals Game.

  4. Choose your bet and place a wager.

    Choose your bet and then use the funds you deposited to place a wager. The sportsbook will pay your winnings or deduct a losing wager from your account balance after the game.

Other May 20, 2026 MLB Games

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