The offer provides new users with a safety net of up to $1,000 on their first bet, ideal for fans of baseball. If the initial wager loses, the amount is&refunded in bonus bets allowing a risk-free first bet for new customers. BetMGM, Caesars Sportsbook and others consistently offer odds boosts and bonus bets for NBA games. With the Boston Celtics being one of the hottest teams in the NBA, be sure to check sports betting apps and sites for the latest promotions. Additionally, keep an eye out for bet insurance and same game parlay refunds, bet/get promos and more. Jump to: Best US Sports Betting Sites & Promos 2024 / Online Sports Betting Bonuses & Promotions: Don’t Miss the Extra Value / Sports Betting Apps & Mobile Sportsbook Performance / Live Betting & Unique Wagering Options / Best Sports Betting Odds / New Sports Betting Sites to Know About / Sportsbook Banking Options / Final Factors to Consider / Sports Betting Sites FAQ