Best Massachusetts Sports Betting Bonuses for NBA Play-In Tourney: Claim $3,750 in Promos is an independent sports news and information service. has partnerships with some of the top legal and licensed sportsbook companies in the US. When you claim a bonus offer or promotion through a link on this site, Gaming Today may receive referral compensation from the sportsbook company. Although the relationships we have with sportsbook companies may influence the order in which we place companies on the site, all reviews, recommendations, and opinions are wholly our own. They are the recommendations from our authors and contributors who are avid sports fans themselves.

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The NBA is rolling into the postseason with its Play-In Tournament set to tip off on Tuesday.

The Play-In Tournament fills the No. 7 and No. 8 playoff seeds in each conference for the 2023 NBA Playoffs. What better way to accentuate the excitement of playoff basketball than cashing in on the best Massachusetts sports betting bonuses.

It’s been a month since mobile sports betting began in Massachusetts on March 10, and Bay State basketball bettors got their fill of March Madness. If you’ve been considering opening accounts at top-rated sportsbooks, now is the perfect time to sign up and take advantage of a potential $3,750 in betting bonuses. These bonuses can be used to wager on this week’s NBA Play-In Tournament — or any of the many sports that DraftKings Massachusetts, BetMGM Mass, and Caesars Mass offer.   

How to Claim the Best Massachusetts Sportsbook Bonuses

The sign-up process at each sportsbook is similar and takes no time at all to complete. Follow these steps to claim the best Massachusetts sports betting bonuses. We’ll use BetMGM Massachusetts in our example.

That was easy, right? Now, you can claim up to a $1,000 First Bet at BetMGM Massachusetts! This a tremendous welcome bonus — and here’s how it works:

Make your first bet up to $1,000 at BetMGM Massachusetts. If it loses, no problem, as BetMGM will refund the entire amount of your wager in the form of bonus bets.

For bets bigger than $50, you’ll receive five Bonus Bets, each equal to 20% of the original stake. So if you max out and place a $1,000 bet that ends up losing, you’d receive five $200 Bonus Bets.

These bonus bets must then be used within seven days from the time they’re received. BetMGM Massachusetts gives you another chance to win big with this promotion. If your first bet wins, congratulations, as those winnings are treated as cash!

BetMGM Massachusetts Sports Betting Bonus

Score a $1,000 First Bet Offer

New users can enter our BetMGM Massachusetts Bonus Code “TODAY”  at sign-up to claim a $1,000 First Bet Offer. If your first wager loses, you will get your stake back, up to $1,000, in Bonus Bets.

21+ and present in MA. Gambling Problem? Call 1-800-327-5050

DraftKings Massachusetts Sportsbook Bonus

Get Up To $1,250 In Bonuses

New DraftKings Sportsbook Massachusetts users can score up to $1,250 in bonuses to use on the 2023 Masters by using our DraftKings Massachusetts promo code link here.

21+ and present in MA. Gambling Problem? Call 1-800-327-5050

Caesars Sportsbook Massachusetts Bonus

Get Up To $1,500 On Caesars

Massachusetts bettors can get up to a $1,500 bet on Caesars. Just enter our Caesars Massachusetts Promo Code “TODAY1BET”  to get started, and get your first wager refunded as a Bonus Bet if it loses.

MA only. 21+. New users and first wager only. Must register with eligible promo code. Bet amount of qualifying wager returned only if wager is settled as a loss. Maximum additional Bonus Bet of $1,500. Bonus Bet must be used within 14 days of receipt. See for full terms. Void where prohibited. Know When To Stop Before You Start.® Gambling Problem? If you or a loved one is experiencing problems with gambling, please call 1-800-327-5050 or visit for 24/7 support. LiveChat with a GameSense Advisor at or call 1-800-GAM-1234 GameSense logo.

Claim up to $1,250 in Welcome Bonuses at DraftKings Massachusetts

DraftKings Sportsbook Massachusetts is based in Boston and has developed a reputation as one of the top-rated online sportsbooks in North America. As a new user, you can score up to $1,250 in betting bonuses to use on this week’s NBA Play-In Tournament.

Let’s examine how these welcome bonuses work: 

$50 Bonus Bet + 20% Deposit Match

Use our DraftKings Massachusetts promo code link to sign up, make a minimum deposit of $5, and you’ll instantly receive a $50 bonus bet. DraftKings will also match your first deposit by 20% up to $1,000.

A $5,000 initial deposit will allow you to receive the maximum $1,000 in bonuses from the deposit match after a 25X playthrough requirement is met. Too much for your liking? Don’t sweat it. No matter the amount of your first deposit, it will be matched by 20%, so go with whatever your budget allows. A $500 deposit, for example, will compute to a $100 bonus.  

Bet $5, Get $200 Instantly

This one is straightforward. Make a $5 wager on any NBA Play-In Tournament betting market, and you will instantly score $200 in bonus bets regardless of your bet’s outcome.

This bonus comes in the form of eight $25 bet credits that can be used on any sport but keep the NBA Play-In Tournament in mind. House money can go a long way in building your bankroll as a new user at DraftKings Massachusetts. It’s worth noting that DraftKings only offers $150 for this promo in other states where it operates. So, grab it today Bay State bettors!

Caesars Massachusetts Bonus: $1,500 Bet On Caesars

We saved the biggest bonus for last!

Caesars Sportsbook Massachusetts allows new users to make up to a $1,500 bet on Caesars. Use our Caesars Massachusetts promo code “TODAY1BET” to  register, and your first bet up to $1,500 is on Caesars. If your first bet settles as a loss, Caesars will refund your account with $1,500 in bonus bets.

Just enter the Caesars promo code “TODAY1BET” when prompted during sign-up. Then make your first deposit, and place a minimum first bet of $10. Remember, though, this promo only applies to your first bet. So, if you want to go big and be protected, make up to a $1,500 first bet.

If it loses, you will get your entire stake back in Bonus Bets. This promo is great for the NBA Play-In Tournament, NHL, MLB, or any sport available at Caesars Massachusetts.

How To Bet On The NBA Play-In Tournament

You can wager on the NBA Play-In Tournament in so many different ways. The games start on Tuesday and end on Friday.

Here are odds on upcoming NBA postseason games from the nation’s best sports betting apps.

All Massachusetts sports betting apps offer spread, moneyline, and total bets on individual games. But you’ll also find props, parlays, single-game parlays, futures, teasers, live bets, and more.

Be sure to open accounts at more than one sportsbook, too, as this will allow you compare the odds being offered across the sports betting industry. You’ll also be able to enjoy more than one sports betting bonus! You always want the best odds on your plays and the best welcome bonuses available.

If you or a loved one is experiencing problems with gambling, call 1-800-327-5050 or visit to speak with a trained specialist for free, 24/7
About the Author
Kris Johnson

Kris Johnson

Senior Writer
Kris Johnson is a senior writer at Gaming Today with more than 15 years of experience as a sports journalist. Johnson's work has appeared in Sports Business Daily, Sports Business Journal, NASCAR Illustrated, and other publications. He also authored a sports betting novel titled The Endgame.

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