Put the Underdog promo code TOPACTION to work for 76ers vs. Celtics on Sunday, March 1 at 8 p.m. ET on NBC. Underdog offers Play $5, Get $75 in Fantasy Bonus Entries, giving new users added value ahead of NBA tipoff.
New users in eligible states, AL, AK, AR, CA, DC, FL, GA, IL, IN, KS, ME, MS, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, VT, VA, UT, WI and WY, can sign up and enter the code TOPACTION at registration to unlock the $5 entry and $75 in fantasy bonus entries. If you’re playing NBA DFS tonight, this deal gives you extra bankroll to attack the slate through Action Network.
What is the Underdog Promo Code TOPACTION Offer?
If you’re building entries for 76ers vs. Celtics, use the Underdog promo code TOPACTION to turn a small first play into multiple shots at NBA DFS upside. Underdog’s offer is simple: Play $5, Get $75 in Fantasy Bonus Entries. You can test different lineup builds without risking a large bankroll.
Sign up before tip-off so you can plan your lineup and adjust your approach. Underdog lets you build player-based picks, like points or rebounds, and use bonus entries to attack the same matchup in different ways. Before you enter, confirm availability in your state and compare options across top DFS sites.
How to Sign Up for Underdog on Sunday, March 1
Follow the steps below to claim the Underdog promo code TOPACTION and make your first deposit and lineup on Sunday:
- Step 1: Use the Underdog promo code TOPACTION sign-up module on this page to download the Underdog app.
- Step 2: Create a username and password.
- Step 3: Fill in your email, date of birth, and all other required personal information to create a new Underdog account.
- Step 4: Enter the Underdog promo code TOPACTION for a play $5, get $75 in fantasy bonus entries offer.
- Step 5: Agree to the Underdog Terms of Use and Privacy Policy. Confirm you are at least 18 years old (19+ in Alabama/Nebraska, 21+ in Massachusetts/Arizona).
- Step 6: Click "Sign Up."
- Step 7: Make your first deposit of $10+.
- Step 8: Create your first entry at Underdog with picks from the NBA, or any other sport.
Why Play This Event in DFS
76ers vs. Celtics headlines Sunday’s slate with a primetime tip at 8 p.m. ET on NBC. Two Eastern Conference playoff teams bring elite scoring to the floor, creating clear upside for NBA DFS picks. With Jaylen Brown, Joel Embiid, and Tyrese Maxey leading the way, this matchup gives you multiple player angles to target.
Use bonus entries to attack the game from different angles:
- Anchor a lineup around a star scorer.
- Stack complementary scorers.
- Pivot based on projected pace and game flow, without risking a large bankroll.
- Apply the Underdog sign-up bonus to increase your chances on one of the night’s biggest matchups.
Why Use Underdog for NBA DFS
Underdog makes NBA DFS simple and flexible. Bonus entry promos, adjustable entry sizes, and easy lineup tools let you get started quickly. New users can enter the Underdog promo code TOPACTION to boost value on their first plays, making it a smart way to try NBA DFS promos or test new strategies.
You can add picks from any game, not just 76ers vs. Celtics:
- Stack stars from different games.
- Diversify your lineup builds.
- Use fantasy bonus entries to test strategies, all without risking a large bankroll.
Conclusion
Use the Underdog promo code TOPACTION to turn a $5 play into $75 in Fantasy Bonus Entries for 76ers vs. Celtics. Sign up early and build your NBA DFS picks to test multiple strategies without risking a big bankroll. You can also explore NBA predictions from other games, not just tonight’s matchup. Enter TOPACTION at checkout and grab this limited-time DFS boost.
Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Offer not valid in MD, MI, NJ, NY, OH, and PA. 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).
