Top Sportsbook Sign Up offers for the College Basketball National Championship
Cash in on the best sign up offers of the year just in time for all the March Matchups
By BetQL Staff - Mar 19, 2026, 8:41am EDT
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The College Basketball National Championship Tournament is just around the corner, and the top online sportsbooks are pulling out all the stops with some of the best sign up offers we've seen. Right now is the perfect time to grow your bank roll and make a splash. No matter what team you're cheering on, there's something for everyone. Check out our favorite Sportsbook Sign Up offers today.
Recommended bets that also have performed well historically. The list updates in real time. To meet the criteria, an upcoming game must display:
1. 3 to 5 star best bet rating to indicate strong value right now
2. Trends must have a 55% profitable win rate over at least 10 games
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FanDuel up to $300 in No-Sweat Bets
FanDuel is running a promotion where new users can get up to a $300 No Sweat token every day for 10 days, if their bet loses. This is a great way to grow your bank roll just in time for all the March Matchups. Cheer your team on their way to the national championship and don't sweat any bracket busters with this amazing offer. If you’re in one of the eligible states - in AZ, CO, CT, DC, IA,IN, IL, KA, LA, MA,MY, MI, MO, NC, NJ,NY, OH, PA, TN, VA, VT, or WV. this is one of the best offers for new users looking to make a splash with very low risk.
Welcome Offer: Get $350 in Bonus Bets when you wager $5 for 7 days ($50 Bonus Bets per day)!
New to FanDuel? Get $350 in Bonus Bets when you wager $5 for 7 days ($50 Bonus Bets per day)!
Gambling Problem? Call 1-800-GAMBLER or visit RG-help.com. Call 1-888-789-7777 or visit ccpg.org/chat (CT). Hope is here. Visit GamblingHelpLineMA.org or call (800) 327-5050 for 24/7 support (MA). Visit www.mdgamblinghelp.org (MD). Call 1-877-8HOPE-NY or text HOPENY (467369) (NY)
Welcome Offer: Get $350 in Bonus Bets when you wager $5 for 7 days ($50 Bonus Bets per day)!
New to FanDuel? Get $350 in Bonus Bets when you wager $5 for 7 days ($50 Bonus Bets per day)!
Gambling Problem? Call 1-800-GAMBLER or visit RG-help.com. Call 1-888-789-7777 or visit ccpg.org/chat (CT). Hope is here. Visit GamblingHelpLineMA.org or call (800) 327-5050 for 24/7 support (MA). Visit www.mdgamblinghelp.org (MD). Call 1-877-8HOPE-NY or text HOPENY (467369) (NY)
Score big on your first bet with BetMGM. Sign up with BetMGM, bet at least $10 on any game and win $150 in Bonus Bets if your bet wins. This is a great offer to pad your bankroll before the National Championship Tournament kicks off. The most important thing to keep in mind with this offer is you only get one shot at it, so our suggestion is to find the "surest thing" you can in available markets. You're not looking to win a big payout on your $10 bet, you just want something that will win. Look for the lowest number you can, something like -1350. You may only win $0.74 on your $10 bet but you'll have $150 more in your bankroll for wagers with higher payout potential.
First Bet: Get $1,500 Paid in Bonus Bets if You Don't Win!
Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET (Available in the US) 877-8-HOPENY or text HOPENY (467369) (NY) 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). 21+ only. Please Gamble Responsibly. See BetMGM.com for Terms. First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. Promotional offers not available in Mississippi, New York, Ontario, or Puerto Rico.
First Bet: Get $1,500 Paid in Bonus Bets if You Don't Win!
Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET (Available in the US) 877-8-HOPENY or text HOPENY (467369) (NY) 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). 21+ only. Please Gamble Responsibly. See BetMGM.com for Terms. First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. Promotional offers not available in Mississippi, New York, Ontario, or Puerto Rico.
DraftKings Bet $5 get $200 in Bonus Bets Instantly
DraftKings is giving new users to potentially 40X their bankroll no matter whether their bet wins or not. Thats not all! In addition to the $200 in Bonus Bets, you'll also receive a 100% profit boost token on an NCCA Tournament winner bet, Max $10 bet. Claiming this sign up bonus couldn't be easier. Sign up for a new DraftKings Sportsbook account and make a deposit. Place your first wager of at least $5, this will act as your qualifying wager. Your account will instantly be credited with $200 in Bonus Bets regardless of the outcome of your qualifying wager. The bonus is awarded as 8x $25 Bonus Bets. You'll also instantly receive 1 Profit Boost Token for a NCAA Tournament Winner Bet (Max. $10 Bet). This is a great offer for college basketball fans and a way to take advantage of early round blow outs in the college basketball national championship tournament.
Spend $5, Get $200 in Bonuses (Paid Over 21 Days)
DraftKings Customers: Spend $5+ Get $200 in Bonuses (Paid Over 21 Days)! 1 per new DraftKings customer. Qualifying bet to be placed on DraftKings Sportsbook. Get max. $200 in Bonus Bets. Bonus Bets expire in 7 days (168 hours) after issuance. Reward issued as $50 in Bonus Bets every 7 days via click-to-claim for 21 days. Stake removed from payout. Terms: sportsbook.draftkings.com/promos. Ends 9/20/26 at 11:59 PM ET.
Sportsbook and the Promotion, you must be physically located in AR, AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA (select parishes), MA, MD, ME, MI, MO, NC, NJ, NH, NY, OH, OR, PA, PR (residents only), TN, VA, VT, WY, WV, CA-ONT or CA-AB (each an “Eligible Jurisdiction” or, collectively, the “Eligible Jurisdictions”). Must be 21+ years of age or older (18+ if in DC/NH/PR/WY/CA-AB) (19+ in CA-ONT). New DraftKings Customers Only.
GAMBLING PROBLEM? CALL 1-800-GAMBLER or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/NH/PR/WY). Void in CAN. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new DraftKings customer. $5+ first-time bet req. Max. $200 issued as non-withdrawable Bonus Bets. Stake removed from payout. Reward issued as $50 in Bonus Bets every 7 days via click-to-claim for 21 days. Bonus Bets and click-to-claims expire 7 days (168hrs) after issuance. Terms: sportsbook.draftkings.com/promos. Ends 9/20/26 at 11:59 PM ET. Sponsored by DK.
DraftKings Customers: Spend $5+ Get $200 in Bonuses (Paid Over 21 Days)! 1 per new DraftKings customer. Qualifying bet to be placed on DraftKings Sportsbook. Get max. $200 in Bonus Bets. Bonus Bets expire in 7 days (168 hours) after issuance. Reward issued as $50 in Bonus Bets every 7 days via click-to-claim for 21 days. Stake removed from payout. Terms: sportsbook.draftkings.com/promos. Ends 9/20/26 at 11:59 PM ET.
Sportsbook and the Promotion, you must be physically located in AR, AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA (select parishes), MA, MD, ME, MI, MO, NC, NJ, NH, NY, OH, OR, PA, PR (residents only), TN, VA, VT, WY, WV, CA-ONT or CA-AB (each an “Eligible Jurisdiction” or, collectively, the “Eligible Jurisdictions”). Must be 21+ years of age or older (18+ if in DC/NH/PR/WY/CA-AB) (19+ in CA-ONT). New DraftKings Customers Only.
GAMBLING PROBLEM? CALL 1-800-GAMBLER or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/NH/PR/WY). Void in CAN. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new DraftKings customer. $5+ first-time bet req. Max. $200 issued as non-withdrawable Bonus Bets. Stake removed from payout. Reward issued as $50 in Bonus Bets every 7 days via click-to-claim for 21 days. Bonus Bets and click-to-claims expire 7 days (168hrs) after issuance. Terms: sportsbook.draftkings.com/promos. Ends 9/20/26 at 11:59 PM ET. Sponsored by DK.
Caesars Sportsbook is giving new users the chance to hit it big during the college basketball national championship. For just $1 you could double your profit on your next 10 bets. The best part is your $1 wager doesn't even have to be a winning to get your 10x 100% profit boost tokens. Just create a new account with Caesars Sportsbook, place a wager of at least $1 on a bet with minimum odds of -10000. It's important that you make sure your first wager meets the qualifying requirements, as you only have one shot at claiming this promotion. Each Profit Boost can be used on wagers up to $25 and have a maximum additional winnings limit of $2,500 per token. Now's your chance to make the most of the March Matchups with Caesars Sportsbook.
First Bet Match Up to $250 in Bonus Bets win or lose
Caesars Sportsbook offers new users a 100% First Bet up to $250 as a bonus bet (win or lose). After placing an initial real-money bet of $1 or more, you’ll receive 100% in bonus bets of your first wager amount.
This means if you place a qualifying bet, Caesars will double your wager, up to a maximum of $250. However, this bonus is only valid for only 30 days, so you’ll need to use them quickly.
21+. Gambling Problem? Call 1-800-GAMBLER – MA: CALL 1-800-327-5050 or visit gamblinghelplinema.org – NY: Call 877-8-HOPENY or text HOPENY (467369)
First Bet Match Up to $250 in Bonus Bets win or lose
Caesars Sportsbook offers new users a 100% First Bet up to $250 as a bonus bet (win or lose). After placing an initial real-money bet of $1 or more, you’ll receive 100% in bonus bets of your first wager amount.
This means if you place a qualifying bet, Caesars will double your wager, up to a maximum of $250. However, this bonus is only valid for only 30 days, so you’ll need to use them quickly.
21+. Gambling Problem? Call 1-800-GAMBLER – MA: CALL 1-800-327-5050 or visit gamblinghelplinema.org – NY: Call 877-8-HOPENY or text HOPENY (467369)
Just in time for the March Matchups, Bet365 is giving new users the change to get $365 in Bonus Bets when they bet just $10. This is the biggest offer we've seen this season, and it's the perfect way to grow your bankroll before the big games get underway. And the best part is your $10 wager will get you the $365 in Bonus Bets (win or lose). Just create a new account with Bet365, deposit at least $10 into your account and make a $10 wager with minimum odds of -500 or greater. Your $365 in Bonus Bets will be automatically credited to your account.
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