Best March Madness Sports Betting Signup Offers And Promo Codes

March Madness is in full swing as the NCAA Men's Tournament kicks off today with 16 games across the country from Orlando to Sacramento.

With so many new sports betting options, which bet is best for you? We've ranked the five best March Madness sports betting sites so you can place your best bets on Thursday's events.

Take a look at the list below to see which offer is best for you.

Best March Madness Sports Betting & Promo Codes 1. BetMGM Sportsbook

BetMGM deserves the top spot on this list and has a great new customer offer that allows you to win up to $1000 in bonus bets if you lose your first bet. This means you will be paid back up to $1,000 in bonus bets equal to the amount you lost.

You can take advantage of this offer by using the bonus code NPBONUS when you sign up. Follow the link below for more information.

BetMGM's March Madness Show

BetMGM is also running a great March Madness promotion that allows new customers to get an extra $200 bet on March Madness when they sign up for $10. Just use bonus code NPBONUSCBB .

2. FanDuel Sportsbook

FanDuel is one of the most popular sportsbooks in the country, and you can see why with its new customer offers. New customers can claim a $200 bonus after their first $20 bet. In Massachusetts, new customers can get $5 plus $200 in bonus bets.

FanDuel does not have a promotional code, so users can click the button below to sign up and receive the bonus rate.

3. Caesar's mathematical book

Caesars is next with a new customer offer that allows new users to win up to $1,250 in bonus bets if they lose their first bet. Similar to what BetMGM offers, you have more betting balances to work with. This offer can be claimed using the promo code NPBONUSFULL .

Massachusetts residents can receive up to $1,500 in bonus bets by signing up with promo code NPBONUS1BET .

4. sportsman bet365

In fourth place is bet365 who offer another great offer. New bettors can claim a $365 bonus on $1 bets when they sign up to bet365 Sportsbook with bonus code NYP365 .

5. WynnBET Sportsbook

WynnBET rounds out the list with a great offer that allows new customers in Massachusetts to earn $100 in betting credit with their first $20 bet at odds of -120 or higher. Simply enter the WynnBET promo code XNPBONUSNY to take advantage of this offer.

Once registered, Massachusetts bettors can use the WynnBET promo code XNPBONUSMA to receive a $100 credit for just one $100 bet.

How does the first bid offer work?

With 16 NCAA Tournament games throughout the day, there are many advantages to offering buy-in sports betting. Let's see how to use sentences to find out what to do.

If you win your first bet with a BetMGM promo code, you'll keep your winnings as a regular bet and can withdraw as you wish.

But suppose you lose your first bet. what happened after that?

If you sign up with BetMGM and place an initial bet of $200 and lose, you will receive $200 back as a bet credit known as a bonus bet. Money lost as a result of losing bets is converted into a bet balance that can be used for subsequent bets.