Dive into a loaded NFL slate of games today by signing up with the Underdog promo code WTOP. All new users who sign up today are able to claim a $75 bonus for NFL and entries today, which features Monday Night Football between the Steelers and Dolphins.
Create a new account using this promo code and place a $5 entry on the NBA tonight, NFL tomorrow or any other sport, which will be enough to redeem this $75 bonus. The outcome of the initial entry does not matter, making this bonus guaranteed.
While MNF does not feature the most high-profile matchup in the world, the Dolphins are riding hot after a slow start to the season, and the Steelers are in the mix to win the AFC North. Then, in the NBA world, we have a fun slate headlined by Pistons-Celtics and Rockets-Nuggets.
Redeem the Underdog promo code WTOP to receive a $75 bonus guaranteed.
Underdog Promo Code WTOP for $75 NBA, NFL Bonus
| Underdog Promo Code | WTOP |
| New User Offer | Play $5, Get $75 Bonus (10X$10 Bonus Entries) |
| In-App Promotions | Boosted NFL Packs, Boosted NBA Packs, Ladders, Streaks, Rescues, Etc. |
| Terms and Conditions | 18+ and Present in Participating States |
| Bonus Last Verified On | December 15, 2025 |
| Information Confirmed By | WTOP |
Sign up and place a $5 entry on Underdog to redeem this $75 bonus. In terms of how to play, there are two types of entries that users can play on Underdog, a standard entry or a flex entry.
For a standard entry, place a 2+ leg entry, and every pick must be correct to receive winnings. The more legs in the entry, the higher the payout. Then, there is a flex entry, where users can place a 3+ pick entry and still receive some winnings of only one leg loses. That said, the payout is lower if all of the legs hit.
How to Redeem the Underdog Promo Code
New customers can take these steps to grab a bonus for the NBA tonight. Take advantage of the guide on this DFS app to learn about the special features and boosts.
- Head to the app and apply the Underdog promo code WTOP.
- Enter your date of birth and other account info to verify your identity.
- Use online banking or PayPal to make a deposit.
- Play a $5 entry to redeem a $75 bonus.
The outcome of your opening $5 contest doesn’t matter, so you are guaranteed to receive a $75 bonus.
NFL, NBA Ladders on Underdog
When playing on Underdog, you select higher or lower on certain player prop markets. That said, they also have additional promotions, such as the ladders promo. This is one of the more fun promotions, as you are essentially choosing 3+ players who you believe have a chance to hit ceiling outcomes and climb ladders of their props.
You will get paid based on the lowest ladder that each player climbs, but the higher the players go the higher your payout. For today, here are our favorite ladder plays across the NFL and NBA:
- De’Von Achane Rushing Yards
- Kenny Gainwell Receiving Yards
- Max Christie Points
