The Celtics start their quest to the NBA Finals tonight and DraftKings Sportsbook has the biggest available sign-up promo for fans in Massachusetts.

New users who bet $5 or more on the Celtics or any other NBA team will instantly receive $200 in bonus bets simply for placing the bet. That’s +4000 odds without even needing to win!

Find out below how to claim this exclusive promo and a breakdown of how to start using your bonus today.

Follow these steps to get your instant $200 bonus:

1. Click here to sign up for DraftKings (no promo code required)
2. Deposit at least $10 into your account
3. Bet $5 or more with your first bet

That’s it! Upon placing your wager, you’ll instantly be credited $200 in bonus bets provided you follow the steps outlined above.

You’ll also have access to a daily no-sweat same-game parlay for the NBA Playoffs as long as the promo is active! If your parlay loses, you’ll get the funds returned as bonus bets to try again.

Only new DraftKings users can claim this limited-time promo. Today’s the big day, so click here to sign up for DraftKings now!

Bonus bets let you wager on games and teams without risking your own money, using house funds instead of withdrawing from your bank account!

If you win a bonus bet, you’ll get the pure profit to either withdraw or continue betting with.

When you try to finalize a wager in your bet slip, you’ll be prompted to either use real money or a bonus bet if you have one available. Check the ‘Bonus Bet’ box and you’re all set.

Note that your bonus bets expire seven days after you receive them. Check your account each day to ensure you’re not missing out on any bonuses.

Yes. Sports betting is legal for users in Massachusetts that are 21 years or older.

Without question. DraftKings is one of the most recognizable, trusted and reliable sportsbooks in the entire United States. You’ll love the user-friendly interface, unique rewards program with access to exclusive rewards and experiences, helpful tutorials, responsible gaming tools and more.

Yes. DraftKings is a legal, operational and licensed sportsbook in Massachusetts.

You’re allowed to bet on college sports for schools located outside of Massachusetts, though state regulations ban any wagers on NCAA teams located within state lines.

This is up to each user, though I’d argue DraftKings has everything you could ever want. That being said, it’s wise to try out each sportsbook to determine for yourself which is the best fit for you.

Since this is a competitive market, different sportsbooks can have different odds for the same bet, giving you a reason to shop around and ensure you have the best possible value before finalizing a wager.

Click the links below to sign up for each Massachusetts sportsbook and get set for a thrilling Celtics playoff run!

Odds refresh periodically and are subject to change.