Claim the Underdog promo code TOPACTION and collect $50 in bonuses before tonight’s NBA action seeing the Pistons vs. Knicks tips off at 8 p.m. ET on NBC with the Trail Blazers vs. Lakers following at 11 p.m. ET on NBC/Peacock. Sign-up takes under three minutes.
Tuesday’s NBA doubleheader gives new players two games to watch:
- Pistons vs. Knicks, 8 p.m. ET, NBC: Detroit arrives 3-0 while New York chases its first win at 0-3.
- Trail Blazers vs. Lakers, 11 p.m. ET, NBC/Peacock: Portland (2-0) visits a 3-0 Lakers team that leans on Luka Doncic’s 34.3 points per game.
That $50 in bonuses funds a front-row seat for both and you can lock in the Underdog promo code TOPACTION below, then scan the NBA odds and compareother top DFS promos before tip-off.
Underdog Promo Code TOPACTION: Quick Read
| Underdog welcome offer | Play $10, Get $50 in Bonuses |
| Underdog promo code | TOPACTION |
| Minimum deposit | $10 |
| Qualifying entry | $10, win or lose |
| Bonus expiry | 14 days after Underdog issues it |
| Games in focus | Pistons vs. Knicks, 8 p.m. ET; Trail Blazers vs. Lakers, 11 p.m. ET |
| Eligibility | New users, 18+ (19+ AL, NE; 21+ AZ, VA) |
| Last verified | Oct. 27, 2026 by Tom Fuller |
What Does Underdog Offer for NBA Fans?
Underdog posts Higher or Lower projections on player stats, so you pick players, not winners. One stat line decides each pick, so a blowout never sinks a good read. Your Underdog bonus code credit funds entries across the board:
- Player projections: points, rebounds and assists for the names driving tonight’s games. Through three games, Jalen Brunson averages 22.7 points for New York, Karl-Anthony Towns grabs 12 rebounds a night, Tyler Kolek dishes 9 assists and Luka Doncic scores 34.3 points. Each number becomes a Higher or Lower call.
- Pick’em entries: tap a player, tap Higher or Lower, and repeat. Underdog builds an entry from as few as two picks, so first-timers start small.
- Plain numbers: every projection shows the player, the stat and the figure side by side. You skip the odds math and the jargon.
- Best Ball drafts: Underdog also runs season-long contests beyond tonight.
- One app, every sport: NFL and college football picks share the same screen, so your bonus keeps working after the NBA doubleheader ends.
Is the Underdog Promo Code the Best DFS Offer Tonight?
Welcome bonuses look alike at a glance, so compare what each one asks and what it pays:
| Platform | Welcome offer |
| Underdog | Play $10, Get $50 in Bonuses |
| Betr Picks | Up to $210 back in bonus, 4 No Sweat Tokens + a Free Pick |
| Bleacher Nation Fantasy | Play $5, Get $25 in Bonus Entries |
| Dabble | Spin for a chance at a 100% deposit match |
- Value: Underdog’s $50 doubles Bleacher Nation’s $25. Both return five times your entry, but Underdog hands you a bigger bankroll to spread across tonight’s games and the week ahead.
- Simplicity: one $10 entry unlocks one flat bonus. Betr advertises the bigger ceiling, yet it splits across tokens and a free pick, so new players juggle several rules at once.
- Certainty: Dabble’s match depends on a spin. Underdog’s figure stays fixed at $50, so you know the number before you deposit.
- Time to use it: Underdog gives you 14 days after it issues the bonus, which covers both tip-offs and a full week of games.
- Clean start: one deposit, one entry and one code. You track no tokens, wait on no spins and decode no tiers.
For a first-time player who wants a big, predictable bonus and an easy first entry, Underdog leads this group. Betr suits players who want the highest ceiling and accept extra rules to chase it.
How Do You Claim the Underdog Promo Code TOPACTION?
- Tap any Underdog promo code link on this page and download the app.
- Register with your name, email, date of birth, address and last four SSN digits.
- Type TOPACTION into the promo field.
- Deposit at least $10.
- Submit a $10 entry on tonight’s board.
- Claim you $50 in bonuses when the initial $10 has settled
Underdog Promo Code TOPACTION – FAQs
What is the Underdog promo code? The Underdog promo code TOPACTION unlocks Play $10, Get $50 in Bonuses for new users. Enter it at sign-up, deposit $10 and submit a $10 entry.
Does the Underdog bonus code work in every state? No. Underdog operates in 40 states plus DC, and age minimums vary. Confirm your location in the app before you deposit.
Do I need to win my first entry? No. Underdog issues the $50 once your $10 entry settles, win or lose.
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).
