Top March Madness Betting Promos: Grab $3,700+ in Sign-Up Offers for Games Today, Tennessee-Florida, Wisconsin-Michigan

Top March Madness Betting Promos: Grab $3,700+ in Sign-Up Offers for Games Today, Tennessee-Florida, Wisconsin-Michigan article feature image
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Claim the top March Madness betting promos to get $3,700+ in sign-up offers from the best sports betting sites to use on games today, including Tennessee-Florida and Wisconsin-Michigan. Today features the SEC and Big Ten Tournament Championships before Selection Sunday finalizes the seeding for March Madness.

Our list of the best March Madness betting promos features the top sportsbooks and betting apps on the market today, such as bet365 and BetMGM. You can access one welcome offer or promo from each book, totaling more than $3,700 in bonus value to use on college basketball.

Sign up now and read the chart below to claim the best March Madness betting promos and bet on college basketball today, including Tennessee vs. Florida and Wisconsin vs. Michigan.

Top College Basketball SportsbooksBest March Madness Betting PromosSign-Up Link
bet365$1,000 First Bet Safety Net or $150 Bet-and-GetTOPACTION
BetMGM$1,600 Deposit MatchTOPTAN1600
Caesars SportsbookBet $1, Get $150 in Bonus Bets If You WinACTION4BG1
Fanatics Sportsbook$1,000 in No Sweat BetsClick Here
Underdog FantasyGet Up to $1,000 Bonus Cash From First DepositTOPACTION

Best College Basketball March Madness Betting Promos Today

When you maximize one welcome promo from each sportsbook on the list of March Madness betting promos, you get $3,700+ in total bonus value:

1. bet365 Bonus Code TOPACTION

The top spot on our list of March Madness betting promos is the bet365 bonus code TOPACTION. This unlocks your choice between bet365 sign-up bonus offers in 10 online sports betting states — AZ, CO, IA, IN, KY, LA, NC, NJ, OH, and VA.

  • bet365 bonus code TOPACTION: $1,000 First Bet Safety Net
  • bet365 bonus code TOPACTION: Bet $5, Get $150 in Bonus Bets Win or Lose

Additionally, bet365 Sportsbook is now live in Illinois and Tennessee. In each respective state, you can sign up for the Bet $5, Get $150 in Bonus Bets Win or Lose offer with the sign-up module below.

In Pennsylvania, use the same bet365 bonus code TOPACTION for an elevated version of the $150 bet-and-get promo. You place a $5 first bet on -500 odds or longer and get $150 in bonus bets plus 50 spins, win or lose, to bet365 Casino.

2. BetMGM Bonus Code

You get one of two different March Madness betting promos with the corresponding BetMGM bonus code, depending on your sports betting location:

  • BetMGM bonus code TOPTAN1600: 20% deposit match, up to $1,600 in sports bonus
    • States Available: AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, WY
  • BetMGM bonus code TOPACTION: Get up to $1,500 back in bonus bets, if your first bet doesn't win
    • States Available: AZ, CO, DC, IL, IN, IA, LA, KS, KY, MA, MD, MI, NJ, NC, OH, PA, TN, VA, WV, WY

3. Caesars Sportsbook Promo Code

Similarly, you choose between multiple Caesars Sportsbook promo code offers among the March Madness betting promos, depending on your legal sport betting location.

  • Caesars Sportsbook promo code ACTION4BG1: Bet $1, Get $150 in Bonus Bets If You Win
    • States Available: AZ, CO, DC, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY
  • Caesars Sportsbook promo code ACTION4DYW: Bet $1, Get 10 100% Profit Boost Tokens
    • States Available: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY

4. Fanatics Sportsbook Promo

The Fanatics Sportsbook promo provides a choice between multiple March Madness betting promos, depending on your sports betting location.

  • Fanatics Sportsbook promo: Click this link and bet $30 to get $300 in Bonus Bets
    • States Available: AZ, MI, NJ, PA
  • Fanatics Sportsbook promo: Click here to get up to a $100 No Sweat Bet each day, over 10 days
    • States Available: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY
  • Fanatics Sportsbook promo: Use this link to sign up and get a 300% Profit Boost Token
    • States Available: NY

Alternate Way to Play College Basketball Today: Underdog Promo Code TOPACTION

If you are located outside of a legal sports betting state, get in on college basketball action with Underdog promo code TOPACTION. Make a first deposit of any amount, and get a 50% match, paid in bonus cash, up to $1,000.

Sign up today with Underdog Fantasy in AK, AL, AR, CA, DC, GA, IL, IN, KS, ME, MN, MS, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, UT, VA, VT, WI, and WY.

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