Last Updated on March 27, 2021




When it comes to betting on March Madness, it is the second-most-wagered-on event of the year. With that said given the span of the tournament, more money is wagered on college basketball tournament than the Super Bowl in many cases!

With that in mind, legal sportsbooks everywhere offer generous bonuses and betting promotions during March to help draw customers. From the bettor’s point of view, this is a great time to take advantage and grow your bankrolls.

Let’s take a look at the seven best March Madness betting promotions to take advantage of, and to help grow your bankroll this March.


Turn $1 into $100 on March Madness at DraftKings Sportsbook

This is DraftKings’ latest March Madness offer, as they are allowing new bettors to turn $1 into $100. Here is how it works, from the promotion directly:

  • Sign up at DraftKings Sportsbook here.
  • Deposit to fund your DraftKings account. (minimum of $5)
  • After your deposit, head to the promotions page of DK Sportsbook.
  • Find “BOOST THIS EVENT” next to the game you wish to wager on.
  • You cannot change your pick, so choose wisely!
  • After you choose your game, you will receive the boost of +10000 odds.
  • Choose which team you wish to wager on in order to activate the bonus.
  • Submit your $1 wager, and enjoy the games!

This promotion is available from March 23rd through the 2021 Final 4.


Bet $4, Win $256 at DraftKings Sportsbook

One of the locks of the century was DraftKings Sportsbook having an awesome set of March Madness promotions for this season. Starting off with their “Turn $4 into $256″ by betting on an underdog, bettors on DraftKings can look to boost their bankrolls right away by wagering on an underdog to win in the NCAA Tournament. It’s quite simple, with just a few easy steps.

  1. Sign up at DraftKings Sportsbook, here.
  2. Deposit at least $5.
  3. Check out the promos page for this Bet $4 win $256 promotion.
  4. Pick any lower seed for the selected games with a +6400 boost on your bet slip.
  5. If your team wins, you will cash a +6400 wager.



BET $1 WIN $100!



For full details on the DK March Madness promotion, check it out here.




FanDuel Sportsbook Free $1000 Bet for March Madness

FanDuel Sportsbook has a tremendous promotion for new users for March Madness, a free $1000 bet. You can boost your bankroll and turn a $1000 free bet into much, much more cash to be ready for the full tournament.

Details from the promotion:

If your first wager (up to $1000) grades as a loss, you will be given a refund in the form of free wagers. For example, if you wish to wager up to $1000 on the Baylor Bears to win their first game with a spread of -12 and they win, you keep your winnings. If Baylor (or your team) does not cover, you will receive that amount in free bets. This is a great way to grow your bankroll as a new player at FanDuel Sportsbook.

In addition at FanDuel Sportsbook, sports bettors are gearing up and waiting to take advantage of in-game boosts, single-game parlays and more. But, FanDuel Sportsbook is set to offer many more March Madness bankroll boosters and promotions on the platform. Here are the boosts and promotions available at FanDuel Sportsbook already ahead of the NCAA Tournament:

Take advantage of FanDuel Sportsbook’s new promotion, as you can earn up to a $1000 risk-free bet.

FanDuel +3000 Sweet 16 Promotion

In addition to the above, FanDuel Sportsbook has also opened a bet $5, win $150 promotion for the Sweet 16. Take a look, here. Here is how to take advantage:

  • Sign Up at FanDuel Sportsbook, here.
  • Deposit to fund your FanDuel account.
  • Go to the March Madness (CBB) tab.
  • Find your Sweet 16 game of choice.
  • Choose which team you wish to wager on to win. (other than Loyola vs. Oregon State)
  • Get +3000 odds on your wager.
  • Enjoy the Sweet 16!



Get your risk-free bet up to $1000!





Get a Free $2,021 Bet at William Hill for March Madness

At William Hill, the college basketball odds were posted long before any other sportsbook. William Hill is famous for having markets up before competitors, which will help bettors get an edge on any miss prices on betting lines. In addition, William Hill has boosts for the futures markets a risk-free $2021 bet, in-game and more. Here’s a look at some boosts already up at William Hill Sportsbook for March Madness:

  • Villanova to win the Big East Boost
  • Colorado to win the Pac12 Boost
  • Tennessee to win the SEC Boost
  • Duke to Win the ACC Boost

William Hill is offering a FREE $2021 bet as well, take advantage in your state! Here’s how to get a risk-free $2021 bet.

  1. Sign up at William Hill Sportsbook
  2. Use promo “ARXLRF”
  3. Make a deposit
  4. Get a risk-free bet ranging from $300 to $2,021 depending on your state.




Free $500 Bet at FOX Bet for March Madness

For every day in March Madness, FOX Bet is providing users with $10 in FREE bets. Add that to a $500 in risk-free wagers, and you have a terrific bankroll booster. For more details on this March Madness promotion, click here.

At FOX Bet Sportsbook, you can get up to $500 in free bets if you are a new player. In addition, bettors will have all sorts of chances to boost their bankroll with promotions surrounding March Madness. Earlier this March, FOX Bet provided bettors in Michigan a chance to double their money if either team scored between Michigan and Michigan State. There will be plenty of other “double your money” promotions at FOX Bet as the tournament nears, including the following:

  • Daily Boosts
  • 7x Your Money on Duke
  • Bet $10 and win $65 if Gonzaga wins
  • and more.


At FOX Bet, keep tabs on the “promotions” section, as you will be able to participate in all promotions available for March Madness as they are released. In addition, FOX Bet Sportsbook offers a free $500 bet, here’s how to take advantage.



Make it Rain with Paige Spiranac at PointsBet

At PointsBet Sportsbook, there is a wealth of promotions for March Madness, including Paige Spiranac’s “Making It Rain” on college basketball promotions throughout March. Every day during the month of March, PointsBet’s Paige Spiranac chooses a game of the day, and bettors can wager $50 (or more) on one team’s spread. In addition to the winnings for the spread, for the game of the day, bettors will receive $3 for every three-pointer that the team you wagered on makes. It’s a great way to boost your bankroll ahead of the NCAA Tournament.



Get your FREE $2,000 in bets today at PointsBet!

FREE BET$2,000


Here’s an example of Paige’s “Make it Rain Game of the Day” promotion, from PointsBet.




BetMGM Free $600 Bet for March Madness

You’ve seen the commercials for BetMGM Sportsbook with Jamie Foxx working the app, but now is time to boost your bankroll at the sportsbook ahead of March Madness. BetMGM will have odds boosts, promotions for new players, and more. You can find NCAAB parlay boosts ahead of, and during the tournament. Check out BetMGM now to take advantage.






BetRivers NCAA Tournament Promos

At BetRivers Sportsbook, there will be plenty of promotions for March Madness. With many college teams in states that BetRivers is located in, there will certainly be interest at the sportsbook. Be sure to join BetRivers Sportsbook and be ready for the March Madness promotions.

At BetRivers Illinois, you can use promo code “250MATCH” and get a deposit bonus of up to $250.



2021 March Madness Odds

The NCAA Tournament is one of the best sports betting events of the year, but if you are wagering on who you believe will win the event be sure to use the best odds at your favorite legal sportsbook. Here is a look at each team, and the best odds available for the program to win the CBB tournament. If you’re looking for public betting information, check this out.

[metabet_core_futures_board league=”ncaab” site_id=”actionrush” hide_consensus=”yes” rows=”50″]

Learn how to legally bet on March Madness for this year’s tournament, here.

Find out who the public is betting on for the tournament, here.

Action Rush Staff