The second round of March Madness is underway, and Saturday, March 21, brings more exciting matchups. Now is the perfect time to claim the best March Madness betting promos and take advantage of the NCAA tournament action. By combining these sportsbook promos from the best betting sites, you can score over $7,000 in bonus value and maximize your chances to win big on college basketball.
Use Action Network's March Madness betting trends with these lucrative sportsbook promos for March Madness today. These March Madness betting promos give you everything you need to bet now with more than $7,000 in bonus bets available.
Claim March Madness Betting Promos for All NCAA Tournament Games Today
With the 12:10 p.m. ET tip of St. Louis vs. Michigan, bet live NCAAB odds live now using the top March Madness betting promos in the chart below.
| CBB Sportsbooks | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| Fanatics Sportsbook | $200 Instantly + Profit Boost Tokens | ACTION |
| BetMGM | $1,500 First Bet Offer | TOPACTION |
| DraftKings Sportsbook | $200 Bet-and-Get Promo + 100% NCAA Profit Boost | Click Here |
| FanDuel Sportsbook | $3,000 Bonus Bets | Click Here |
| bet365 | $365 Bet-and-Get Promo | TOPACTION |
| Hard Rock Bet | 10 100% Profit Boost Tokens | Click Here |
| Caesars Sportsbook | Bet $1+, Double Your Winnings Your Next 10 Wagers | ACTION4DYW |
| theScore Bet | $1,000 First Bet Reset | ACTNEWS |
FAQs for March Madness Betting Promos: Full Breakdown of NCAA Tournament Sportsbook Promos
Fanatics Sportsbook Promo Code ACTION: $200 Instantly + Profit Boost Tokens
Fanatics Sportsbook rewards new users with $200 instantly, plus additional profit boost tokens. Use these tokens on today’s NCAA matchups to increase potential winnings and take advantage of Action Network expert picks. Apply the Fanatics Sportsbook promo code ACTION to claim this bonus, and these March Madness betting promos ensure you start your tournament bets with extra value.
BetMGM Bonus Code TOPACTION: $1,500 First Bet Offer
BetMGM gives you up to $1,500 on your first bet, letting you cover multiple games or make a high-value wager on tonight’s key matchups. Use the BetMGM bonus code TOPACTION to unlock this offer. These March Madness betting promos give you serious firepower to act on the latest NCAAB odds.
DraftKings Promo Code: $200 Bet-and-Get Promo + 100% NCAA Profit Boost
DraftKings Sportsbook combines a $200 bet-and-get promo with a 100% profit boost on NCAA games. Use the DraftKings promo code to access these March Madness betting promos, letting you bet with confidence on college basketball while increasing potential returns on your wagers.
FanDuel Promo Code: Largest March Madness Offer With $3,000 Bonus Bets
FanDuel delivers $3,000 in bonus bets, giving you unmatched flexibility for March Madness betting. Use these bonus bets to cover multiple outcomes on today’s games and maximize every opportunity. Enter the FanDuel promo code when signing up to claim this offer and take advantage of these March Madness betting promos before the next tip-off.
bet365 Bonus Code: $365 Bet-and-Get Promo
bet365 offers a straightforward $365 bet-and-get promo with the bet365 bonus code. These March Madness betting promos make it easy to explore different NCAA matchups and stay competitive on the best betting sites.
Hard Rock Bet Promo Code: 10 100% Profit Boost Tokens in Michigan Today
Hard Rock Bet provides 10 profit boost tokens, each offering a 100% boost. Apply them strategically to your March Madness bets to increase winnings on high-value NCAA matchups. Use the Hard Rock Bet promo code to unlock this offer. Don’t miss these March Madness betting promos if you want extra profit potential.
Caesars Sportsbook Promo Code ACTION4DYW: Bet $1+, Get 10 100% Profit Boosts
Caesars Sportsbook allows you to bet $1 or more and double your winnings on your next 10 wagers. Use this offer on today’s games to take advantage of early March Madness betting trends and boost potential profits. These March Madness betting promos let you multiply your returns across multiple bets. Use the Caesars Sportsbook promo code ACTION4DYW to claim the offer today.
theScore Bet Promo Code ACTNEWS: $1,000 First Bet Reset
theScore Bet gives you a $1,000 first bet reset, letting you try again if your first NCAA wager doesn’t hit. Combine this with insights from our expert picks and these March Madness betting promos to place smarter bets. Use theScore Bet promo code ACTNEWS when signing up to claim this offer.
Saturday March Madness Schedule: March 21, 2026
Today's college basketball schedule offers exciting opportunities for bettors:
- No. 9 Saint Louis vs. No. 1 Michigan (12:10 p.m. ET on CBS)
- No. 6 Louisville vs. No. 3 Michigan State (2:45 p.m. ET on CBS)
- No. 9 TCU vs. No. 1 Duke (5:15 p.m. ET on CBS)
- No. 10 Texas A&M vs. No. 2 Houston (6:10 p.m. ET on TNT)
- No. 11 Texas vs. No. 3 Gonzaga (7:10 p.m. ET on truTV/TBS)
- No 11. VCU vs. No. 3 Illinois (7:50 p.m. ET on CBS)
- No. 5 Vanderbilt vs. No. 4 Nebraska (8:45 p.m. ET on TNT)
- No. 12 High Point vs. No. 4 Arkansas (9:45 p.m. ET on truTV/TBS)
Check Saturday March Madness expert picks for guidance, then use these March Madness betting promos to maximize your wagers.
Best DFS, Prediction Market Alternative to March Madness Betting Promos
If sports betting isn’t legal in your state, you can still join the action with these alternate options:
- Underdog: Use the Underdog promo code TOPACTION – play $5, get $50 in fantasy bonus entries.
- Kalshi: Use the Kalshi promo code ACTION – trade $10, get $10 in bonus funds.
These alternate offers let everyone participate in March Madness excitement, even without traditional sportsbook access.
Claim all these offers today and combine over $7,000 in bonus value. From BetMGM to Fanatics Sportsbook, and from profit boosts to first bet offers, these deals give you the tools to bet smarter, cover multiple games, and enjoy the NCAA tournament like a pro.
