Thursday Night Football Week 5 headlines tonight's slate, giving new DFS players a loaded board to build around before kickoff. Entering the Underdog promo code TOPACTION during sign-up, depositing and playing $5, will earn you $100 in bonus credits from Underdog.
The Buccaneers vs. Cowboys game is set for 8:15 p.m. ET on Prime Video, with Dallas chasing a statement win in front of its home crowd. Tampa Bay's defense enters off a rough stretch defending the pass, giving tonight's passing props real weight across the board. Track the full NFL odds for this matchup, and follow the complete NFL slate through the rest of Week 5.
I used the Underdog promo code TOPACTION offer myself this week, and the $100 landed in my wallet the moment my $5 deposit cleared. Want to see how it stacks up against the rest of this week's top DFS promo codes?
Underdog Promo Code TOPACTION: Quick Overview
| Detail | Info |
| Underdog Promo Offer | Play $5, Get $100 in bonus credits |
| Underdog Promo Code | TOPACTION |
| Game in Focus | Buccaneers vs. Cowboys, TNF Week 5 |
| Kickoff | Thursday, 8:15 p.m. ET, Prime Video |
| Eligibility | New users, 18+ (19+ AL/NE, 21+ AZ/VA) |
| Available States | 40+ states, see full list below |
New users stacking tonight's slate alongside the latest NFL futures markets get a full picture of where Dallas and Tampa Bay sit in the bigger playoff race, too.
The whole process took under three minutes from download to a locked-in lineup when I ran through it myself two weeks ago, and the bonus credit shows up in the account dashboard immediately.
Why Should NFL Fans Choose the Underdog Promo Code Offer?
Underdog earns its following among NFL bettors for several concrete reasons that separate it from a standard sportsbook:
- Deeper prop windows: Underdog opens passing, rushing, and receiving props days ahead of kickoff, giving fantasy fans and player backers far more options.
- Built for player-first bettors: Fans backing a favorite player's fantasy ceiling, rather than just a game outcome, find a format built specifically around that angle
- Simple pick'em structure: New users build lineups around straightforward player projections instead of parsing a complicated odds board full of juice and moving lines
- Fast payouts: Winnings post to the account the moment a slate settles, with no multi-day waiting period
- Lower entry cost, higher upside: A $5 entry opens access to the same prop menu as a $100 entry, putting new and seasoned fantasy players on equal footing from the first lineup
Is the Underdog Promo Code the Best out There?
A side-by-side look at this week's top DFS welcome offers shows the gap clearly:
| Platform | Welcome Offer |
| Underdog | Play $5, Get $100 |
| Betr Picks | Up to $200 back, 4 No Sweat Tokens + free pick |
| Dabble Fantasy | Play $5, Get $50 in bonus cash |
| Bleacher Nation Fantasy | Play $5, Get $25 in bonus entries |
Underdog's offer doubles the bonus picks of Dabble Fantasy and quadruples the entries of Bleacher Nation Fantasy for the identical $5 entry cost, making the Underdog promo code TOPACTION the strongest dollar-for-dollar value on the board this week, as Betr Picks needs you to spend $200 to earn anything.
How Do I Sign Up with the Underdog Promo Code TOPACTION?
- Download the app: Use our Underdog promo code link and download the app.
- Create an account: Enter an email, set a password, and confirm age and location eligibility
- Enter the promo code: Type TOPACTION into the promo code field during registration
- Make the first deposit: Fund the account with a minimum $5 deposit through a debit card, bank transfer, or PayPal
- Build the first lineup: Pick player props for tonight's Buccaneers vs. Cowboys slate, or any other game on the board
- Collect the bonus: Watch $100 in bonus credits post directly to the account once the first lineup locks in
Underdog Promo Code TOPACTION – FAQs
What is the Underdog promo code? The Underdog promo code is TOPACTION, entered during account sign-up, and it unlocks a Play $5, Get $100 bonus credit offer for new users.
Does the Underdog promo code work in every state? The offer is active in 40+ states, including AL, AZ, CA, FL, NY, PA, and TX, with age minimums of 18+ in most states, 19+ in AL and NE, and 21+ in AZ and VA.
Does the bonus expire after claiming it? Bonus credits post immediately after the first $5 lineup, and new users check their account dashboard for the specific redemption window listed at claim time.
Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ & VA) and present in a state where Underdog Fantasy operates. Terms apply. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).
