The Elite 8 round for March Madness 2023 on Sunday is up next in the biggest college basketball betting tournament of the year. 

If you’ve been following the tournament so far, there have been an incredible number of underdogs pulling through, and if you want to bet on the next big upset, take advantage of the March Madness betting promos listed in this handy guide to the best welcome offers.

There are two Elite 8 games coming at you on Sunday, including:

• 6 Creighton (-2.5, 134.5) vs. 5 San Diego State, 2:20 p.m. EST
• 5 Miami vs. 2 Texas (-4, 149), 5:05 p.m. EST

The best March Madness betting apps have a number of amazing bonus offers right now for new customers, so read on and learn about all of these great welcome offers below:

Best March Madness Betting Promos & Sign-Up Bonuses

We've got more Elite 8 action on tap over the next few hours, so if you're planning any wagers, first check out what welcome offers and betting promos are available:

BetMGM Sports Betting Promos

The BetMGM Sportsbook bonus code BOOKIESMARCH lets new users claim an amazing welcome offer for the rest of the month. Bet $10 on any March college basketball game, and you will immediately get $200 in bonus bets. 

The bonus bets come in the form of four $50 bonus bets, and you can use them to bet on any sport that you want.

BetMGM Betting Promo Terms & Conditions

1. Sign up for a new BetMGM Sportsbook account and use the bonus code BOOKIESMARCH
2. Make your first deposit of $10 or more
3. Place your first bet on any March game with a pre-game moneyline of $10 or more and get $200 in bonus bets win or lose
4. Your bonus bets come in the form of four $50 bonus bets
5. You then get seven days to use your bonus bets at BetMGM Sportsbook
6. Your bonus bets come with a 1x rollover

Caesars Sportsbook March Madness Betting Promo

The Caesars Sportsbook promo code BOOKIESFULL gives new users up to $1,250 in bonus bets for their first losing wager on any sport, including any March Madness Sweet 16 or Elite 8 game, plus you'll get 1,000 in Tier Credits and 1,000 and Reward Credits. 

For those users in Ohio and Massachusetts, use the promo code BOOKIES1BET instead to get back up to $1,500 on Caesars Sportsbook.

All users can also opt-in and get a 50% CBB Parlay Token to use on a parlay featuring four or more legs of March Madness games at +400 or greater final odds (i.e. +450, +550). The maximum wager is $50, and your maximum additional winnings are $1,000.

Caesars March Madness Promo Terms & Conditions

1. Sign up for a new Caesars Sportsbook account using the promo code BOOKIESFULL, or BOOKIES1BET if in Ohio or Massachusetts
2. Make your first deposit of at least $20
3. Place your first bet on any March Madness game and get back up to $1,250 in the form of a single bet credit if it loses, or up to $1,500 if you are located in Ohio or Massachusetts
4. You get up to 14 days in order to use your bet credits
5. The bet credits come with a 1x rollover
6. You will also get 1,000 Tier Credits and 1,000 Reward Credits added to your account

DraftKings March Madness Promos

Over at DraftKings Sportsbook, new users just need to bet $5 on any March Madness game to get $150 in bonus bets. Considering it’s such a minimal risk needed to get potential a nice return, then this is definitely an offer you’ll want to claim right now ahead of March Madness Elite 8 action!

DraftKings March Madness Promo Terms & Conditions

1. Sign up for a new DraftKings Sportsbook account
2. Make your first deposit of at least $5
3. Make a wager on any pre-game college basketball moneyline for $5 or more
4. If your first bet is a winner, get back $150 in bonus bets in the form of six $25 bonus bets
5. You get one week to use the bonus bets at DraftKings Sportsbook
6. Your bonus bets come with a 1x rollover

FanDuel March Madness Betting Promo

Over at FanDuel Sportsbook, new users who sign up can take advantage of a No Sweat First Bet for up to $1,000. 

Just bet on any sport, including any March Madness Elite 8 game, and if your first bet is a loser, you'll get back up to $1,000 in the form of bonus bets. The bonus bets will match the value of your losing bet.

All users can also take advantage of the Bracket Parlay Insurance offer from FanDuel Sportsbook once per day. Make a parlay featuring 3+ legs at +400 or greater final odds (i.e. +425, +525), and if just one leg loses, you will get back up to $25 in bonus bets each day.

FanDuel March Madness Promo Terms & Conditions

1. Sign up for a new FanDuel Sportsbook account – no actual promo code is required
2. Make your first deposit of at least $10
3. Place your first wager on any sport and get back up to $1,000 in bonus bets if it loses
4. You get up to 14 days in order to use your bonus bets at FanDuel Sportsbook
5. The bonus bets come with a 1x rollover

Betway March Madness Betting Promo

We also want to note the Betway Sportsbook promo code offer for March Madness Elite 8 action, which gives new users up to $250 in bonus bets if their first March Madness wager is a loser. Just bet only any sport, including March Madness, and get $250 in bonus bets if your first wager is unsuccessful.

Betway March Madness Promo Terms & Conditions

1. Register for a new Betway Sportsbook account
2. Opt-in to the welcome promotion, and deposit at least $10
3. Make your first wager on any sport, including any March Madness game at -300 or greater odds (i.e. -150, +250)
4. If your first bet is a loser, get back up to $250 in bonus bets
5. You get up to seven days in order to use your bonus bets
6. The bonus bets come with a 1x rollover