March Madness betting promos: Unlock $3,750 in welcome bonuses to wager on NCAAB today
We’re in the thick of the NCAA Tournament, which means it’s the best time to sign up with the best March Madness betting promos in the online sports betting industry. College basketball has a loaded slate of first round games today to bet on, and up to $3,750 in bonus funds are up for grabs when you sign up with the March Madness betting promos in this article.
Sign up with the best sports betting promos in the industry and play on the best sports betting apps in the U.S. Click on any of the offer modules below to sign up today and claim up to $3,750 in March Madness betting promos.
Sign up with March Madness betting promos now to claim bet-and-get promos, first bets on the house, and all sorts of welcome bonuses to use on the NCAA Tournament.
- bet365 bonus code RGNEWS: $1,000 First Bet Safety Net or bet $5, get $150 in bonus bets, win or lose
- BetMGM bonus code RGNEWS1600: 20% deposit match, up to $1,600 in sports bonus funds or BetMGM bonus code RGTOP: First bet on the house, up to $1,500 or BetMGM bonus code RGNEWSGET: Bet $10, get $150 in bonus bets if you win
- Fanatics Sportsbook promo: Bet and get up to $1,000 in No Sweat Bets or Fanatics Sportsbook promo: Bet $30, get $300 in bonus bets
- Caesars Sportsbook promo code RGTOPBG1: Bet $1, get $150 in bonus bets if you win or Caesars Sportsbook promo code RGTOPDYW: Bet $1, get 10 100% Profit Boost Tokens
bet365
Choose from two of the best March Madness betting promos when you click here and sign up with the bet365 bonus code RGNEWS. Unlock a $1,000 First Bet Safety Net (first bet insurance, up to $1,000), or a $150 bet-and-get bet365 promo (Unlock $150 in bonus bets when your $5+ first bet settles, win or lose).
In PA, use this link and unlock 50 casino spins when your $5+ first bet settles. Make sure your first bet has -500 or longer odds in order to qualify with either of these March Madness betting promos.
- Click the sign-up module below to register in AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, and VA.
- Use the sign-up module below to register in PA
BetMGM
Choose from three of the best March Madness betting promos when you register with the BetMGM bonus code. Click here to sign up with the BetMGM bonus code RGNEWSGET in eligible states and score $150 in bonus bets if you win your $10+ first March Madness bet.
Click here to sign up with the exclusive BetMGM bonus code RGNEWS1600. Get 20% of your first deposit matched in sports bonus funds, up to $1,600. Deposit $8,000 in cash to claim the full value of this BetMGM promo and satisfy a 10× wagering requirement within 30 days to withdraw your winnings.
Finally, click here to register with the BetMGM bonus code RGTOP. Get your first bet’s staker back in bonus bets if you lose, up to $1,500. Either get one bonus bet back or five bonus bets back worth 20% of your stake if your first bet i less than $50 and loses, or is 50+ and loses, respectively.
- Click the offer module below to sign up in CO, MI, NJ, PA, and WV
- Use the sign-up module below to register in AZ, CO, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, WY, and Washington D.C.
- Register with the sign-up module below in AZ, IA, IL, IN, LA, KS, KY, MA, MD, NC, OH, TN, VA, WY, and Washington D.C.
Caesars Sportsbook
Click here to sign up with another one of the bet-and-get March Madness betting promos in the Caesars Sportsbook promo code RGTOPBG1. With this Caesars Sportsbook promo code, place a $1+ first bet on March Madness and win $150 in bonus bets if you win your bet.
Get one of the more unique March Madness betting promos when you click here and register with the Caesars Sportsbook promo code RGTOPDYW. Place a $1+ first bet on March Madness and score 10 100% Profit Boost Tokens that double your potential winnings.
- Use the sign-up module below to register in AZ, CO, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY, and Washington D.C.
- Click the offer module below to sign-up in AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY, and Washington D.C.
Fanatics Sportsbook
Claim another one of the March Madness betting promos when you sign up with the Fanatics Sportsbook promo. Use this link and bet $10 on March Madness today to net $100 in bonus bets. Bet $10 each of the next two day and unlock $100 in bonus bets each day. When three days are up and $30 in wagers are made, you have $300 in bonus bets.
Another option is to click here and make a No Sweat Bet each of your first 10 days. Each day, get your No Sweat Bet’s stake back in bonus bets if you lose, up to $100. When you combine your first 10 days, you can make as much as $1,000 in No Sweat Bets. You must have -500 or longer odds to qualify for any Fanatics Sportsbook promo.
Finally, click here in New York to sign up with a 300% Profit Boost Token. Claim this Profit Boost Token and apply it to a March Madness bet to significantly boost your odds.
- Click the sign-up module below to register in AZ, CO, CT, IN, LA, MA, MD, MI, NJ, PA, TN, VA, and WV.
- Use the sign-up module below to register in AZ, CO, CT, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY, and Washington D.C..
- Use the sign-up module below to register in NY.
Alternatives to March Madness betting promos to sign up with today
If you’ve already used the March Madness betting promos above or are unable to redeem them, there are more options at your disposal. Sign up with one of the daily fantasy sports sites or social sportsbooks below to claim another sign-up promo and make March Madness predictions today.
Kalshi
Sign up with the Kalshi promo code GRINDERS with this link. Kalshi is a sports trading app where you purchase shares in markets and predict outcomes of events, such as March Madness. Make $100 in total trades on Kalshi to unlock a $10 bonus, which can be used on March Madness.
- Use the offer module below to sign-up in all 50 states plus Washington D.C.
Sleeper
Play one of the best daily fantasy sports sites in Sleeper Fantasy today. Click here to sign up with the Sleeper promo code ROTOMAX and place your $5+ first entry on March Madness player picks. Once you submit your $5+ first entry, you unlock 11 free entries of $5, which equates to a $55 bonus.
- Click the sign-up module below to register in AK, AR, CA, CO, FL, GA, KS, KY, MA, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, UT, VT, WI, WY, and Washington D.C.
Fliff Social Sportsbook
Finally, one of the best social sportsbooks to sign up with is Fliff Social Sportsbooks. Click here to register with the Fliff promo code GRINDERS and spend $50 on the platform by purchasing Fliff Coins. Once you spend $50, you unlock a bonus of $100 in Fliff Coins to bet on March Madness.
- Use the offer module below to register in AK, AZ, AR, CA, CO, CT, DE, FL, IL, IN, IA, KS, KY, ME, MD, MA, MI, MO, MT, NE, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SD, TX, UT, VT, VA, WV, WI, and Washington D.C.
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