Get more than $7,000 in March Madness betting promos for Sweet 16 games on March 26, 2026.
The Sweet 16 Round of March Madness continues today, March 26 with Arkansas vs. Arizona at 9:45 p.m. ET on CBS. This is just one of four games tonight followed by four games tomorrow to determine who gets to the Elite Eight Round. Right now, you can sign up and claim more than $7,000 in March Madness betting promos ahead of this primetime matchup.
Wager on any college basketball game in the Sweet 16 and get more than $7,000 in total bonus value from the best sports betting sites on the market including Fanatics Sportsbook, BetMGM, DraftKings, FanDuel, bet365, Hard Rock Bet, Caesars Sportsbook, and theScore Bet.
Click the sign-up modules below to register for the newest March Madness betting promos before action tips off with Arkansas vs. Arizona at 9:45 p.m. ET on CBS.
Latest March Madness Betting Promos for Sweet 16
NCAAB Sportsbooks
Promo Code
Fanatics Sportsbook – Get up to $1,000 Matched in FanCash
Newest March Madness Betting Promos for Thursday, March 26
Claim one sign-up offer from each sportsbook below for more than $7,000 in March Madness betting promos and use Action Network's expert Sweet 16 predictions to get started.
Fanatics Sportsbook Promo Code ACTION is Best March Madness Betting Promo Today
Choose from five March Madness betting promos (depending on your location) with the Fanatics Sportsbook promo code ACTION. The most popular promo is the $200 bet-and-get offer. Wager $5 and get $200 in FanCash instantly. The FanCash can be converted to bonus bets or use on official, licensed merchandise. Sign up here and get $200 in FanCash in AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, or WY.
Best BetMGM Bonus Code for March Madness
The highest value March Madness betting promo from BetMGM Sportsbook is with the BetMGM bonus code TOPTAN1500. This is a 20% match on your first deposit, up to $1,500 in sports bonus. Use your sports bonus to wager on your favorite events, including the Sweet 16 starting with Arkansas vs. Arizona at 9:45 p.m. ET on CBS.
DraftKings Promo Code for College Basketball Games Tonight
Unlock one of the best college basketball betting promos today by using the DraftKings promo code. Place a $5 first bet. You receive $200 in bonus bets plus a 100% Profit Boost Token for the NCAA Tournament.
In addition, DraftKings is now live in Arkansas. Sign up with the link below to claim this brand-new, upgraded DraftKings Arkansas promo code offer: Bet $5, Get $300 Instantly in Bonus Bets.
How to get $3,000 March Madness Betting Promo with FanDuel Sportsbook
Don't miss your chance to take advantage of one of the best March Madness betting promos with this link. Use the brand new, updated FanDuel promo code to bet Thursday's Sweet 16 slate and other NCAAB odds. Each day, get up to $300 in bonus bets if your bet loses, for 10 days.
In Indiana and Virginia, you can bet and get up to $1,000 in bonus bets with the sign-up module below.
Finally, FanDuel Arkansas is now live. Sign up below and bet $5 to get $300 in bonus bets, win or lose.
Click Below to Get bet365 Bonus Code Promo for Sweet 16 Tonight
Get Profit Boost Tokens for Sweet 16 with Hard Rock Bet
The Hard Rock Bet promo code provides an essential March Madness betting promo for NJ and MI players. Sign up now and get 10 100% Profit Boost Tokens to double your winnings when you place a $50 or less wager. This is an exclusive offer for NJ and MI bettors.
Claim Caesars Sportsbook Promo Code to Double Your Winnings on Next 10 Bets
Use the Caesars Sportsbook promo code ACTION4DYW to claim the best March Madness betting promos from Caesars Sportsbook. Sign up with this link, place a $1 first bet, and you receive 10 x 100% Profit Boost Tokens to double your winnings on your next 10 wagers of $25 or less.
Use theScore Bet Promo Code ACTNEWS to Wager on Sweet 16
Finally, theScore Bet promo code ACTNEWS unlocks an additional $1,000 on our list of March Madness betting promos for the Sweet 16. Place a first bet and get up to $1,000 in bonus funds, if your first wager loses.
Kalshi Promo Code ACTION Provides $10 March Madness Bonus
An exceptional alternative to the best March Madness betting promos on this list is the Kalshi promo code ACTION. Create a new Kalshi account and make a $10 first trade for a $10 bonus to use on different college basketball markets.
Use Polymarket Promo Code ACTION as Alternative to March Madness Betting Promos
If you are not in a sports betting state or looking to stack a bonus on top of the best March Madness betting promos, use Polymarket promo code ACTION. This allows you to skip the waitlist to join the platform and when you make a $20 deposit, you get $20 in bonus to trade on your favorite markets.
About the Author
Chris started his career in the sports betting industry in 2022, writing commercial content and evergreen pieces on multiple sites. He is an alumnus of Texas Christian University and the University of Texas and an avid fan of TCU, Texas, and Seattle sports teams. Currently, Chris writes commercial top stories and edits team pages.
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