$1500 Bonus Bets If Lose on Royals vs Red Sox MLB: Use BetMGM Code

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Written By John Carlo Villaruel | Published at September 8, 2026
MLB BetMGM Promo Code BTSLINES

BetMGM is dropping a limited-time deal for the American League clash between the Royals and the Red Sox this Friday at Fenway Park. To qualify, you only have to sign up for a BetMGM account using our promo code and place a qualifying wager of at least $10 on any Royals-Red Sox betting markets you like. If it loses, BetMGM returns your stake in bonus bets up to $1,500 so you can have another go at the action.

BetMGM Up To $1500 in Bonus Bets Paid Back if your First Bet Does Not Win
Bet Now BetMGM Promo
Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET (Available in the US) 877-8-HOPENY or text HOPENY (467369) (NY) 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). 21+ only. Please Gamble Responsibly. See BetMGM.com for Terms. First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. Promotional offers not available in Mississippi, Massachusetts, New York, Ontario, or Puerto Rico.

Royals-Red Sox Same Game Parlay Options

Momentum should be on the Red Sox heading into this matchup after comfortably dispatching the Royals in all of their three previous matchups this season. Even more impressive is the fact that the Red Sox did that away from home which makes us think that they should have no trouble carrying that same momentum here at home.

What we would like to point though is that the Royals still have a few offensive juggernauts that could potentially make some noise here and one of those guys is franchise superstar Bobby Witt Jr. The 26-year old Witt Jr. has remained steady despite the Royals’ current struggles with the do-it-all shortstop batting .285 with 17 home runs, 51 RBI, and 38 stolen bases.

We like Witt Jr. to add at least two hits to his tally here but sadly, we don’t think it would be enough to trouble the Red Sox pitching staff led by Sonny Gray who has been nothing short of dominant lately. Gray is coming off seven scoreless innings against the Orioles, allowing just three hits while striking out seven to improve to 17-4 with a 2.69 ERA on the season.

Creating Your New BetMGM Account for MLB

You’ll be happy to know that you won’t have to jump through hoops to unlock the latest BetMGM promo code and claim as much as $1,500 in bonus bets for the Royals-Red Sox showdown. If you don’t believe us, then you can follow this step-by-step guide to see it for yourself.

  1. Click on any BetMGM banners you can see on this page and you’ll be redirected to its signup page
  2. Fill in your personal details, including your name, email address, and our promo code
  3. Deposit at least $10 using your preferred payment method
  4. Place a qualifying wager of at least $10 on any Royals-Red Sox same-game parlay
  5. If it loses, BetMGM refunds your stake in bonus bets up to $1,500
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