Underdog Promo Code SBRBONUS - PLay $5, Get $50 for College Basketball

The Underdog promo code SBRBONUS unlocks $50 in bonus entries for Thursday's NCAA Tournament Tip-Off action. 🏀 New users can claim this welcome offer by placing just $5 on any fantasy contest featuring the 16-game slate starting at noon ET. With powerhouse programs like Duke and Arizona expected to dominate alongside potential upsets from double-digit seeds, Underdog Fantasy ranks among the best prediction market apps for March Madness action on Thursday, March 19.  

Play $5, Get $50 in Bonus Entries

Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply.  Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit http://www.ncpgambling.org . NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369) 

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Underdog promo code overview

How to claim the Underdog promo code for college basketball

Claiming your Underdog Fantasy bonus for NCAA Tournament games requires following these simple steps:

1. Download the Underdog Fantasy app and complete registration with your personal information
2. Verify your account through the text message PIN system
3. Make your first deposit of at least $5 using your preferred payment method
4. Enter promo code SBRBONUS during the deposit process
5. Place a minimum $5 entry on any available NCAA Tournament contest
6. Receive your $50 bonus entries within 72 hours automatically

Underdog promo code terms & conditions

The Underdog promo code SBRBONUS delivers substantial value for NCAA Tournament betting through its generous bonus structure. After placing your qualifying $5 entry on Thursday's games, you'll receive $50 in fantasy bonus entries that can be used across various contest types. The bonus carries a 1x wagering requirement that must be completed within 14 days, while the bonus entries themselves expire after 60 days if unused.

Consider this scenario: you enter a $5 Pick'em contest predicting Zion Williamson's points total in Duke's opening game. If your prediction hits and you win $8, those winnings become withdrawable cash after meeting the wagering requirement. If your pick misses, you still have $50 in bonus entries to use on upcoming tournament games throughout the weekend.

Key terms include:

• Minimum age requirements: 18+ (19+ in AL, NE; 21+ in AZ, MA, VA)
• Bonus entries credited within 72 hours of qualifying entry
• 1x wagering requirement on bonus funds
• Account verification required before withdrawals
• Not available in NJ, NY, MD, OH, MI, PA

The timing proves perfect for March Madness, as Thursday's 16-game slate offers numerous contest opportunities across both draft and Pick'em formats featuring every tournament participant.

Affiliate Disclosure: Not intended for use in MA. Each betting site featured on SBR has been meticulously researched and selected by our team of experts. If you sign up through our links, we may get a commission.

Gambling Problem? Call 1-800-GAMBLER. Hope is here. GamblingHelpLineMA.org or call (800) 327-5050 for 24/7 support (MA). Call 1-877-8HOPE-NY or text HOPENY (467369) (NY).21+ and present in select states. Gambling Problem? Call 1-800-GAMBLER (CO, IA, KY, MI, NJ, OH, PA, IL, TN, VA, VT), 1-800-NEXT-STEP or text NEXTSTEP to 53342 (AZ), 1-888-789-7777 or visit ccpg.org/chat (CT), 1-800-9-WITH-IT (IN), 1-800-522-4700 or visit ksgamblinghelp.com (KS), 1-877-770-STOP (LA), visit www.mdgamblinghelp.org (MD), 1-800-522-4700 (WY), or visit www.1800gambler.net (WV).

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