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March Madness: Best Sportsbook Promotions For 2021 NCAA Tournament

Author: AmericanGambler1234 | Last Updated: March 12, 2021

The madness is about to get real. Sunday, March 14th will see the selections announced for the 2021 NCAA Tournament. Seedings will be handed out, regions will be delegated and matchups will be fortified. The first games get underway on Thursday, March 18th. Bet online in the USA via several betting apps, such as William Hill, Pointsbet, BetMGM and others that offer great promos and bonuses.

March madness betting promotions

Americans wagered an estimated $8.5 billion on the NCAA Tournament in 2019. With online sports betting legalized in many more states now, that number only figures to increase.

If you’re looking to get some action down on March Madness, the good news is that there couldn’t be a better time to sign up with an online sports betting site.

Many of the leading betting sites are currently offering extra incentives in the way of promotions built around March Madness 2021 to encourage new players to join up. Here some of the best free bet offers to date. Valid in NJ, CO, IN, IL, PA, WV, TN, VA, MI.


New customers start out with a risk-free bet that’s worth as much as $600. Players simply sign up with BetMGM Sports, make a deposit and place their first wager on March Madness NCAA 2021 Tournament. If the bet loses, they’ll receive the bonus amount of that wager back in free bets up to a maximum amount of $600 in free bets. Use code mentioned below.

William Hill

New players can access a $500 risk-free bet through William Hill. However, William Hill players in both Virginia and Michigan are eligible to ramp up that risk-free bet to $2,021.


With their Let It Rip program, PointsBet is offering the chance at up to $1,999 if free bets during the first two rounds of the NCAA Tournament. 

Players will earn the following free bets for the accompanying amount in qualifying, cumulative settled wagers – Tier 1: $100 in qualifying settled wagers will earn a $50 Free Bet. Tier 2: $500 in qualifying settled wagers will earn a $50 free bet. Tier 3: $1,000 in qualifying settled wagers will earn a $100 free bet. Tier 4: $2,000 in qualifying settled wagers will earn a $200 free bet. Tier 5: $5,000 in qualifying settled wagers will earn a $300 free bet. Tier 6: $10,000 in qualifying settled wagers will earn a $500 free bet. Tier 7: $20,000 in qualifying settled wagers will earn a $799 free bet.

Players must reach the following tier to be eligible for the accompanying free bet. Read more about special Pointsbet March Madness offer here.


There’s a 100 percent matching first deposit bonus for every new player available with BetRivers affiliate codes that is worth up to $250.


Caesars sportsbook is welcoming new players with a 10 percent matching first deposit bonus that maxes out at $500. Use code CAESARSGAMBLER to bet on March Madness games 2021.


All new players to Unibet in New Jersey, Pennsylvania and Indiana can access a $40 free bet before even making a deposit. They also offer a $500 risk-free first bet offer. 

If that first bet turns out to be a loser, the amount will be refunded into a player’s account within 72 hours.


Newcomers to 888Sport will get back up to $500 in free bets should their first bet at the site prove to be a loser.

New players can also access a $10 free bet when they make their first live bet on the site.

Golden Nugget

There’s a $250 risk-free bet awaiting all new players who join up at the Golden Nugget.


New players to Bet365 will see their first deposit matched in bet credits up to a maximum of $500.

Bet365 is currently offering an NCAA basketball early payout offer if the team wagered on manages to accumulate an 18-point margin at any point during the game.


At DraftKings, they are delivering a special introductory offer to new players that is connected to the NCAA Tournament. New players who sign up with DraftKings are able to access 64-1 odds on underdogs to win during the opening two rounds of the NCAA Tournament. 

The maximum wager on this promo is $4 but if you play in on the right underdog, it could turn into a $256 windfall if that dog has its day and pulls off the upset.

All that it takes to activate this promotion is to open a new DraftKings account and make a first deposit of at least $5.

DraftKings is also offering a March Mania Survivor Pool that is free to enter and features a prize pool of $1 million. You’ll be required to pick one team each day during tournament action, except for during the Elite Eight, when you’ll pick one team from all of the four games that are spread over two days. 

If your pick wins, you advance. But you can only pick each team once, so choose wisely.

As well, DraftKings is offering a Championship Series Millionaire Bracket. Pick the winners of all 63 games across the entire NCAA Tournament. The first prize is $1 million, with $250,000 for the second-place finisher and $125,000 for third overall. But even down to 1500th place, you can still win $150. The contest rules allow participants to enter a maximum of 20 different brackets. The pool is open to players in Colorado, New Hampshire, New Jersey, West Virginia and Tennessee.


Join up at FanDuel and in celebration of the arrival of March Madness, they’ll provide newcomers with a risk-free first bet worth up to $1,000. If a player’s first bet fails to cash, they’ll refund the entire amount in the form of site credits up to $1,000 within 72 hours.