Register with Underdog NBA promo code TRADITION to qualify for this deposit bonus. New players can create an account, make a cash deposit and start locking in bonuses.



Set up a new user profile by signing up using the links on this page. From there, make a cash deposit and receive a 50% match in bonuses. New customers will have the chance to secure up to $1,000 in total bonuses.

Underdog Fantasy should be a go-to option for basketball fans this season. There are tons of interesting ways to make picks on the games. With seven NBA matchups coming up on Tuesday night, including an NBA on TNT doubleheader, it’s a great opportunity to start using these bonuses. Here is a full breakdown of the registration process for new players.

Sign up with Underdog NBA promo code TRADITION to secure up to $1,000 in deposit bonuses.

Underdog NBA Promo Code TRADITION Delivers 50% Deposit Match

Underdog Promo Code TRADITION
New User Offer 50% Deposit Match for Up to $1,000 in Bonuses
Terms and Conditions 21+ and present in participating states. Gambling problem? Call 1-800-Gambler.
Bonus Last Verified January 2025

This Underdog offer will set the stage for basketball fans this week. Keep an eye on the different matchups coming up on Monday night. Remember, anyone who starts with this new promo will have bonuses to use on the games.

This promo is a 50% match on any first deposit up to $1,000. For example, someone who makes an initial deposit of $2,000 will get $1,000 in bonuses. Someone who is more comfortable making a $500 deposit will get $250 in bonuses.

It’s also worth noting that these bonuses apply to other sports like the NHL and NFL. Don’t forget the NFL playoffs begin this weekend, which means that players can make picks with these bonuses. Don’t miss out on the chance to secure this head start.

How to Secure Underdog NBA Promo Code TRADITION

Creating an account with Underdog Fantasy is a breeze. First-time depositors will be eligible for this 50% match in a few simple steps:

  • Start signing up by using any of the links on this page. Apply promo code TRADITION to qualify for this offer.
  • After reaching a sign-up landing page, answer the required information sections to set up an account.
  • Choose from any of the secure deposit methods (online banking, PayPal, credit card, debit card, etc.)
  • Make an initial deposit of up to $2,000 with a 50% match. New users will be eligible for up to $1,000 in bonuses.
  • Start making picks on the NBA or any other sport with these bonuses.

Making Picks on the NBA

Underdog Fantasy should be a go-to option for basketball fans this week and throughout the NBA season. With seven total games on the schedule for Tuesday night, there is no shortage of options. Make picks on NBA on TNT doubleheader games (Lakers vs. Mavericks and Celtics vs. Nuggets).

The NBA is a star-driven league and plenty of stars will be in action. New customers can use these bonuses to make picks on the biggest stars in these games. Bet higher or lower on different outcomes for big names like Nikola Jokic, LeBron James, Jayson Tatum and more.

Sign up with Underdog NBA promo code TRADITION to secure up to $1,000 in deposit bonuses.

21+ and present in participating states. Gambling problem? Call 1-800-Gambler.