Open a new daily fantasy sports account on Monday, April 27, 2026, with the Underdog promo code TOPACTION to secure $50 in bonus entries for NBA DFS picks across any matchup. Tonight’s NBA Playoffs slate includes Pistons vs. Magic at 8 p.m. ET on NBC (Game 4), Thunder vs. Suns at 9:30 p.m. ET on Peacock (Game 4), and Timberwolves vs. Nuggets at 10:30 p.m. ET on NBC (Game 5). With three meaningful games on the schedule, this ranks among the top NBA DFS promo opportunities available, giving users multiple entry points to deploy lineups.
Submit a $5+ entry to trigger the $50 bonus, then begin constructing lineups across all three NBA Playoffs contests. Underdog continues to be one of the most accessible DFS platforms nationwide, offering a player-driven alternative to traditional online sports betting odds. With several NBA games in play, this best NBA DFS promo lets you combine picks across matchups to maximize upside. Activate the offer by using the Underdog promo code TOPACTION through the module below.
Underdog separates itself by centering gameplay around individual player outcomes rather than spreads or totals. Users create entries by selecting “Higher” or “Lower” on player stats, with each added pick increasing the potential payout multiplier. This format is especially effective on a three-game playoff slate, where usage patterns, rotations, and matchup dynamics can create exploitable edges.
Below is a breakdown of where the Underdog promo code TOPACTION is available for NBA Playoffs entries:
| Underdog Promo Offer | DFS States Available | Underdog Promo Code Sign-Up Link |
|---|---|---|
| Play $5, Get $50 in Bonus Entries | 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, WY | TOPACTION |
Underdog Promo Code TOPACTION: $50 Bonus for Playoffs from Best NBA DFS Promo
Sign up with the Underdog promo code TOPACTION and complete a $5+ entry to receive $50 in bonus entries. These bonus entries can be used across tonight’s NBA Playoffs matchups, including Pistons vs. Magic, Thunder vs. Suns, and Timberwolves vs. Nuggets, giving you multiple ways to build lineups and maximize value.
Let’s walk through how entries work using a sample lineup from tonight’s slate:
Underdog offers two primary formats:
- Standard Entry: All picks must hit to unlock the full payout.
- Flex Entry: Allows for one miss, but with a reduced payout multiplier.
Here’s an example of a $5 Standard entry built around NBA Playoffs picks:
- Devin Booker Higher Than 27.5 Points
- Shai Gilgeous-Alexander Lower Than 30.5 Points
- Nikola Jokić Higher Than 26.5 Points
A typical three-pick Standard entry carries around a 6.5x multiplier:
- If all picks win: You receive $32.50 total ($27.50 profit + $5 entry returned) plus $50 in bonus entries
- If one or more picks lose: You still receive $50 in bonus entries
The Underdog promo code TOPACTION is available to new users in the following 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.
Underdog Registration Steps for NBA Playoffs on Monday, April 27, 2026
Follow these steps to claim your $50 bonus:
- Step 1: Click the link or any module on this page to download the Underdog app.
- Step 2: Create a username and password.
- Step 3: Enter your email, date of birth, and required personal details.
- Step 4: Input the Underdog promo code TOPACTION.
- Step 5: Agree to the Terms of Use and Privacy Policy.
- Step 6: Complete registration.
- Step 7: Deposit at least $10.
- Step 8: Build your first NBA Playoffs entry to unlock $50 in bonus entries.
Underdog Terms & Conditions
Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and physically 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; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or text HOPENY (467369).
