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BetMGM Bonus Code SI1500 for NBA Sunday Slate and World Baseball Classic Betting
New bettors can claim a substantial welcome offer with the BetMGM bonus code SI1500 when wagering on Sunday's NBA showcase games and World Baseball Classic action. The $1500 First Bet offer provides bonus bets back if your initial wager loses, making it an excellent opportunity to explore sportsbook promos while betting on marquee matchups like Celtics vs. Cavaliers and international baseball's premier tournament on March 8.
How the BetMGM bonus code SI1500 offer works for NBA and World Baseball Classic betting
The BetMGM bonus code SI1500 delivers significant value for new users looking to wager on Sunday's compelling sports slate. After registering and making your first deposit of at least $10, place your initial real money bet on any market. If your first wager loses, BetMGM returns your entire stake up to $1500 in bonus bets.
The bonus structure varies based on your wager amount:
• Bets over $50 receive five bonus bets, each worth 20% of your qualifying wager.
• Bets under $50 receive one bonus bet equal to your stake.
• All bonus bets expire seven days after issuance.
• You must use bonus bets before accessing potential payouts.
For example, if you place a $1000 wager on the Celtics to cover the spread against Cleveland and lose, you would receive five $200 bonus bets totaling $1000. Alternatively, you could target World Baseball Classic pool play action, perhaps backing Team USA in a crucial matchup that could determine knockout round positioning.
This BetMGM promotion is available to first-time users in the following states: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MS, NC, NJ, OH, PA, TN, VA, WV, WY. It is not available in NV, NY, or Ontario, Canada.
How to claim your BetMGM Sportsbook promo code for Sunday's games
Getting started with the Bonus code for BetMGM is straightforward and positions you to bet on both NBA playoff positioning battles and international baseball drama:
- Register for a new BetMGM Sportsbook account using promo code SI1500.
- Complete identity verification by providing your driver's license information.
- Make an initial deposit of at least $10 using your preferred payment method.
- Place your first real money wager on any NBA game or World Baseball Classic matchup.
- If your bet loses, receive bonus bets up to $1500 within your account.
- Use bonus bets within seven days on additional NBA or baseball markets.
Sunday's slate offers numerous betting opportunities, from the Celtics-Cavaliers Eastern Conference showdown to high-scoring potential in Bulls vs. Kings. World Baseball Classic pool play adds another dimension with national pride and MLB stars competing for tournament advancement. For detailed analysis of BetMGM's features and betting options, check out our comprehensive BetMGM review.
Additional BetMGM Sportsbook promotions for existing users
Beyond the welcome offer, BetMGM consistently provides ongoing value through daily promotions and betting boosts. Existing users can find enhanced odds on popular markets, parlay insurance offers, and sport-specific promotions that complement major events like NBA Sunday showcases and World Baseball Classic action. These rotating promotions appear regularly in the 'Promos' section of the BetMGM Sportsbook app, ensuring both new and veteran bettors have access to additional value throughout the sports calendar.
- Welcome to MGM Rewards: Earn MGM Rewards Points and redeem them for hotel stays, dining, entertainment, and other exclusive perks.
BetMGM has two separate welcome offers, each restricted to specific states. The $1,500 First Bet promotion is available to new customers in AZ, CO, IL, IN, IA, KS, KY, LA, MD, MA, MI, MO, MS, NC, NV, NJ, NY, OH, PA, TN, VA, WV, WY, as well as DC and PR. By using bonus code COVERS and depositing at least $10, players can place their first wager and receive bonus bets back—up to $1,500—if it loses. In contrast, the Bet $10, Get $150 offer is limited to MI, NJ, PA, and WV. With bonus code COVERSBONUS, new users who deposit $10 and place a $10 bet will earn $150 in bonus bets if that wager wins. Both deals are state-specific and only available to new registrants in eligible markets.
Odds refresh periodically and are subject to change. If you or someone you know has a gambling problem and wants help, call 1-800-GAMBLER.
Geoff is an analyst in the sports betting industry who has over a decade of experience creating content. As a former online poker player who used to multi-table 20+ tournaments at the height of the poker boom, he’s been an active gambler for the majority of his adult life and has always strived to be a +EV sports bettor. His foray into sports saw him develop a deep love for betting on the NFL and golf, where he continues to tilt the same group of PGA players every Sunday. As a writer, he loves providing actionable pieces of content, and his goal is to always search for an original or under-appreciated piece of information that gives his readers an edge. Geoff has a B.A. in English, an After Education Degree, and a Juris Doctor in Law from the University of Alberta. He’s had his work published by larger betting sites like DraftKings and been featured as a betting analyst and daily fantasy writer by some of the largest networks and sporting leagues in the world. His knowledge of betting and industry experience allows him to create reliable and original betting content and sportsbook reviews that readers can not only trust but also rely on when choosing which site to deploy their bankrolls. In his spare time, Geoff enjoys running with his English Springer Spaniel Pepper and staying up late to watch European golf.