Sign up today with the new and exclusive Underdog promo code LABSNEWS to unlock a $50 welcome bonus and get started with March Madness DFS picks on Sunday, March 22. New users can submit a $5 lineup and get $50 in bonus entries, regardless of whether their entry wins or loses.
Enter the Underdog promo code LABSNEWS during registration or use the sign-up module below to activate the offer. Once your account is set up, you can start building lineups and making picks across multiple sports, including Round of 32 March Madness college basketball contests. The winners today determine the rest of the Sweet 16.
You can claim this promotion from one of the top DFS sites today and use the bonus across CBB entries for the Round of 32 in the following eligible states: AL, AK, AR, CA, DC, FL, GA, IL, IN, KS, ME, MS, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, VT, VA, UT, WI, and WY.
Underdog Promo Code LABSNEWS: Submit Sunday CBB DFS Lineup for Round of 32 Games
Use the Underdog promo code LABSNEWS and submit a $5 CBB DFS entry to claim $50 fantasy bonus entries when you build for the college basketball slate this Sunday. With multiple games available, you can combine players from across the board to create a lineup aligned with your projections and preferred angles.
The entry process is simple — open the Underdog Fantasy app, select player picks, and choose “Higher” or “Lower” for each selection. If you hit all eight picks in an entry, payouts can reach up to 120x. This offers major upside for a strong lineup.
When building entries with three or more picks, you’ll decide between Standard and Flex formats. Standard entries offer the highest payouts but require every pick to hit. Meanwhile, Flex entries provide some cushion by allowing one miss with a reduced payout.
Below is a sample of my expert CBB DFS lineup for the Round of 32 games on Sunday, March 22, 2026. Use the Underdog promo code LABSNEWS to claim the $50 FantasyLabs welcome bonus. Once you do so, create your own CBB DFS lineup for today’s slate.
| Player | Team | Pick |
| Koa Peat | Arizona | Higher Than 13.5 Points |
| Darryn Peterson | Kansas | Higher Than 30.5 Points + Rebounds + Assists |
| Eric Dailey | UCLA | Lower Than 6.5 Rebounds |
Register With Underdog and Use Promo Code LABSNEWS on March 22
Getting started with Underdog is quick and straightforward. Follow the steps below to activate the Underdog promo code LABSNEWS. Then, fund your account and build your first lineup on Sunday, March 22:
- Download the Underdog App: Use the Underdog promo code LABSNEWS module on this page to install the app
- Set Up Your Account: Create your username and password to begin registration
- Enter Your Information: Fill in your email, date of birth, and other required personal details
- Apply the Code: Enter the Underdog promo code LABSNEWS to unlock the Play $5, Get $50 in bonus entries offer
- Accept Terms & Verify Age: Agree to the Terms of Use and confirm eligibility (18+ in most states, 19+ in AL/NE, 21+ in MA/AZ)
- Complete Registration: Click “Sign Up” to finalize your account
- Make a Deposit: Fund your account with $10 or more to start entering contests
- Create Your First Entry: Build a Pick’em or fantasy lineup using players from today’s Round of 32 college basketball games
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. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org. NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).
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