Create a new account today with the Underdog promo code LABSNEWS to secure a $50 welcome bonus. With this FantasyLabs offer, new users can enter a $5 NBA DFS lineup and receive $50 in bonus entries, regardless of the result.
Simply enter the Underdog promo code LABSNEWS during signup or use the module below to activate the promotion. After registering, you can immediately begin building DFS lineups and making picks across the NBA and other available sports like CBB games.

Monday’s NBA schedule features a full eight-game slate, including two featured matchups on Peacock: Spurs vs. Heat at 7 p.m. ET and Warriors vs. Mavs at 9:30 p.m. ET. This creates a strong opportunity to build competitive NBA DFS entries on Underdog. If you’re looking for additional action, you can also construct a college basketball lineup for upcoming Sweet 16 games during March Madness.
This Underdog promo from one of the top DFS sites is available across a wide range of states, including 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, allowing you to apply your bonus entries across NBA contests today.
Underdog Promo Code LABSNEWS: Build an NBA DFS Lineup Today
Use the Underdog promo code LABSNEWS to turn a $5 NBA DFS entry into $50 in bonus entries. Build your lineup using players from any matchup on the slate, including the high-profile games on Peacock today: Spurs vs. Heat at 7 p.m. ET and Warriors vs. Mavs at 9:30 p.m. ET.
Open the Underdog app and construct your lineup by selecting player projections. For each selection, choose “Higher” or “Lower” to include that player in your entry. If you hit all eight picks, payouts can reach up to 120x your entry.
When creating a lineup with three or more selections, choose between two formats:
- Standard: Highest potential payout, but all picks must hit.
- Flex: Lower max payout, but allows for partial wins or a refund if one pick misses.
Below is an example of an expert NBA DFS lineup for Monday’s NBA slate. Use the Underdog promo code LABSNEWS to unlock the $50 FantasyLabs bonus and start building your NBA entries today. You can also look ahead and make picks on the upcoming March Madness games in the Sweet 16 round.
| Player | Team | Pick |
| Cooper Flagg | Dallas Mavericks | Lower Than 21.5 Points |
| Victor Wembanyama | San Antonio Spurs | Higher Than 42.5 Points + Rebounds + Assists |
| Bam Adebayo | Miami Heat | Lower Than 4.5 Assists |
Sign Up With Underdog and Use Promo Code LABSNEWS on March 23
Follow the steps below to activate the Underdog promo code LABSNEWS. Then, fund your account, and create your first lineup on Monday, March 23:
- Download the Underdog App: Use the sign-up module on this page with the Underdog promo code LABSNEWS to install the Underdog Fantasy app.
- Set Up Your Account: Choose a username and password to begin registration.
- Enter Your Details: Provide your email, date of birth, and required personal information.
- Apply the Promo Code: Input Underdog promo code LABSNEWS during signup to unlock the Play $5, Get $50 in bonus entries offer.
- Agree to Terms: Accept the Terms of Use and confirm your age eligibility (18+ in most states, 19+ in AL/NE, 21+ in MA/AZ).
- Finish Registration: Click “Sign Up” to activate your account.
- Fund Your Account: Deposit $10 or more to begin entering contests.
- Create Your First Lineup: Build a Pick’em or DFS entry using NBA players or any available sport.
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; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).





