BetMGM Bonus Code SI1500 for Saturday's NBA, College Basketball and World Baseball Classic Action

New users can claim a valuable welcome offer with BetMGM bonus code SI1500 for Saturday's exciting slate of NBA games, college basketball conference tournaments and World Baseball Classic pool play. The $1,500 First Bet offer provides bonus bets back if your initial wager loses, making it an excellent opportunity to bet on March 7's action. BetMGM requires the promo code SI1500 to unlock this welcome bonus, and bettors can explore additional sportsbook promos for Saturday's games.
How the BetMGM bonus code SI1500 offer works for Saturday's games
The BetMGM bonus code SI1500 allows new users to place their first real money wager up to $1,500 on any of Saturday's games. If your initial bet loses, BetMGM returns your entire stake in bonus bets, providing a second chance to win on the NBA, college basketball or World Baseball Classic action.
For example, if you wager $500 on the Thunder to beat the Warriors and Oklahoma City loses, you'll receive $500 in bonus bets to use on other markets. If you bet $100 on a college basketball conference tournament game and it loses, BetMGM credits your account with $100 in bonus bets for future wagers.
Key terms for this BetMGM Sportsbook promo code include:
• Minimum $10 deposit required to qualify for the welcome offer.
• First bet must be placed with real money to trigger the bonus.
• Bonus bets are awarded only if your initial wager loses.
• Wagers over $50 receive five separate bonus bets, each worth 20% of the original stake.
• Wagers under $50 receive one bonus bet equal to the original stake amount.
• All bonus bets expire seven days after issuance.
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 the BetMGM promo code for Saturday's basketball and baseball action
Follow these steps to claim your BetMGM welcome bonus and bet on Saturday's NBA games, college basketball tournaments or World Baseball Classic matchups:
- Register for a new BetMGM Sportsbook account using bonus code SI1500.
- Complete identity verification by providing your driver's license information.
- Make an initial deposit of at least $10 using any accepted payment method.
- Place your first real money wager on any Saturday game or market.
- Receive bonus bets equal to your stake if your initial bet loses.
Read our comprehensive BetMGM review for additional details about the sportsbook's features and betting options.
Additional BetMGM Sportsbook promotions for existing users
BetMGM consistently provides ongoing promotions and betting boosts for existing customers beyond the welcome offer. Current users can find daily odds boosts, parlay bonuses and special event promotions by checking the 'Promos' section within the BetMGM Sportsbook mobile app. These rotating offers often feature enhanced payouts on popular betting markets and can provide additional value for Saturday's games across multiple sports.
- 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.