Sign up with Underdog promo code WTOP to claim a valuable welcome offer ahead of the next NBA game. By signing up and playing just $5, new users instantly get $75 in bonus entries. Click here to start the registration process.
This exclusive promotion can be used for the highly anticipated matchup between the Boston Celtics and the San Antonio Spurs, any other NBA game on the schedule this week, or to explore the different college basketball markets available on Underdog. This welcome offer is strictly available for new users only.
Underdog promo code for NBA
Before tip-off, here is a quick overview of what you get when you claim this welcome bonus:
| Underdog Promo Code | WTOP |
|---|---|
| New Underdog User Offer | Play $5, Get $75 Bonus Entries |
| Bonus Last Verified On | March 10, 2026 |
Taking advantage of the Underdog welcome offer is a straightforward way to build a bankroll. When a user signs up and plays $5, they instantly get $75 in bonus entries to use on the NBA slate or the various college basketball markets available on the platform.
This promotion is exclusively eligible for new Underdog customers. To successfully claim the bonus entries, players must meet the minimum age requirements and be physically located in a participating state. Once the new account is registered and verified, the bonus entries are instantly credited and ready to deploy.
Best Tuesday Night NBA Matchups
If you are looking to put your Underdog promo to use, the upcoming slate features massive scoring totals for the league’s biggest stars. Here are five players with the highest point projections for the schedule:
- Luka Doncic (Los Angeles Lakers) vs. Minnesota Timberwolves
- Points Projection: 30.5
- Anthony Edwards (Minnesota Timberwolves) @ Los Angeles Lakers
- Points Projection: 29.5
- Jaylen Brown (Boston Celtics) @ San Antonio Spurs
- Points Projection: 24.5
- Kevin Durant (Houston Rockets) vs. Toronto Raptors
- Points Projection: 24.5
- Victor Wembanyama (San Antonio Spurs) vs. Boston Celtics
- Points Projection: 23.5
An exciting cross-conference battle pits Jaylen Brown against Victor Wembanyama in a potential NBA Finals preview. The East’s No. 2 seed Celtics (43-21) face the West’s No. 2 seed Spurs (47-17), who have won 15 of their last 16 games. Brown, averaging 28.7 points per game, has publicly praised Wembanyama’s dominance, recently calling the San Antonio big man an “alien” and “a big problem.” Wembanyama has ramped up his production to 25.8 points over his last five games and will test a stout Boston defense allowing just 106.9 points per game. Boston also receives a massive boost with Jayson Tatum returning to form after missing nearly the entire season with a torn Achilles.
Elsewhere, Luka Doncic and Anthony Edwards headline a heavy-hitting Western Conference clash. Doncic has been a scoring machine for the Lakers (39-25), averaging 32.5 points on the season. He faces a Minnesota defense allowing 114.5 points per game. Edwards enters the contest averaging 29.6 points and attacks a Lakers defense yielding 115.0 points per contest. Finally, Kevin Durant and the Houston Rockets get a solid draw against a Toronto Raptors squad giving up 111.7 points per game. Durant is putting up 26.1 points per game while shooting an efficient 51.0% from the floor.
How to Activate Underdog Promo Code WTOP
Activating the sign-up offer ahead of the Boston Celtics vs. San Antonio Spurs matchup is a straightforward process. To get started, ensure you have promo code WTOP ready. Follow these simple steps to claim the $75 in bonus entries:
- Register an Account: Create a new profile by providing standard personal information. You must be a new user and meet all local age and region requirements to be eligible.
- Make a Deposit: Fund the account by depositing at least $5 using one of the secure methods provided by the platform.
- Play an Entry: Submit a $5 entry on the NBA slate to instantly activate the $75 in bonus entries.
When building an entry, there are two primary options:
- Standard Entry: This option requires 2+ picks and will trigger the largest potential payout. Keep in mind that all legs must hit for the entry to win.
- Flex Entry: This option requires 3+ picks. By choosing to flex an entry, you can still receive some winnings even if a leg is incorrect, providing a helpful safety net for your predictions.
