As the NBA Playoffs heat up, new customers can take advantage of some of the best betting promos available tonight. The Boston Celtics, last year's champions, aim to defend their title. Whether you're looking for guaranteed bonus bets or first-bet protection, the top sportsbooks have enticing promotions to enhance your betting experience.

Many sportsbooks, including Caesars, Fanatics, and DraftKings, offer significant bonuses for new users. These promotional offers vary by state but generally include risk-free bets or generous profit boosts. With playoff action almost daily until June, these bonuses present an excellent opportunity to engage with the postseason excitement.