The Underdog promo code WTOP allows NFL fans to grab a bonus in time for Week 4 action, starting with the Seahawks vs. Cardinals on Thursday night. Register here to create your first entry with this welcome offer.
Apply the Underdog promo code and create a $5 entry on Thursday Night Football. The result doesn’t matter, so the $50 bonus is guaranteed.
Two NFC West opponents will meet in Arizona. Both has 2-1 records with losses to the 49ers. Make picks on rushing yards, passing touchdowns, receptions and other stats from top players.
Sign up here to use the Underdog promo code WTOP and grab a $50 bonus for NFL picks.
Underdog Promo Code WTOP for NFL Week 4 Games
| Underdog Promo Code | WTOP |
| New User Offer | Play $5, Get $50 Guaranteed Bonus |
| Sports Available | NFL, MLB, WNBA, FIFA, Ryder Cup, UFC, More |
| Terms and Conditions | 18+ and Present in Participating States |
| Bonus Last Verified On | September 25, 2025 |
| Information Confirmed By | WTOP |
The number of picks in your entry, along with the multipliers, will determine your potential winnings. These are just some of the markets for the Seahawks vs. Cardinals:
- Sam Darnold: 221.5 pass yards
- Kyler Murray: 1.5 pass TDs
- Kenneth Walker III: 0.5 rush + rec TDs
- Jason Myers: 6.5 kicking points
- Trey McBride: 64.5 receiving yards
- Marvin Harrison: 3.5 receptions
- Jaxon Smith-Njigba: 25.5 longest reception
- Cooper Kupp: 3.5 receptions
- Trey Benson: 15.5 rush attempts
- Michael Wilson: 21.5 receiving yards
Some of your bonus can be used to enter drafts for Week 4. Select players and compete against other customers for a chance at winning a share of large prize pools. The Battle Royale – Week 4 tournament has a $7 entry fee and $400,000 worth of prizes. Follow along on the app during the action to track your points.
Choose different players from the Sunday slate. Key games include the Browns vs. Lions, Chargers vs. Giants, Eagles vs. Buccaneers, Colts vs. Rams and Ravens vs. Chiefs.
Guide to Use the Underdog Promo Code
Follow our guide to claim the best welcome offer. It only takes a few minutes to create an account.
- Click here to use the Underdog promo code WTOP.
- Provide your name, email, date or birth and other essential info to confirm your age.
- Make a deposit using an accepted banking method. These include debit cards, online banking and PayPal.
- Create a $5 entry on the Seahawks vs. Cardinals.
Win or lose, you’ll be awarded with a $50 bonus. Check the promotions tab to find entry boosts and other offers throughout the NFL season.
Apply Bonus to College Football, MLB Picks
Your bonus can be used for other sports over the weekend, like top college football matchups. Find markets for No. 21 USC vs. No. 23 Illinois, No. 22 Notre Dame vs. Arkansas, No. 4 LSU vs. No. 13 Ole Miss, No. 6 Oregon vs. No. 3 Penn State and No. 17 Alabama vs. No. 5 Georgia.
And we have some important MLB games as several teams compete for a spot in the postseason. Make picks on home runs, strikeouts, hits, stolen bases and earned runs.
Register through the links above to use the Underdog promo code WTOP. Claim a $50 bonus for football and baseball picks.
