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Underdog Promo Code SDS: Claim $75 Bonus for Seahawks-Patriots

Bob Wankel

By Bob Wankel

Published:

As the Seattle Seahawks and New England Patriots prepare for their championship showdown at Levi’s Stadium, prospective fantasy managers can take advantage of a lucrative welcome bonus. By applying the Underdog promo code SDS during registration, new users can turn a small initial play into a significant bankroll for this NBC-broadcasted matchup.

Specifically, first-time players who sign up and play just $5 will instantly receive $75 in bonus entries, providing ample capital to engage with the projections available for this February 8 clash in Santa Clara.

Claim the Best Underdog Promo Code for NFL Championship Week

With the Seattle Seahawks and New England Patriots facing off for the title at Levi’s Stadium, Underdog Fantasy is offering a straightforward path to build your bankroll. By using the code below, new users can unlock immediate value to use on player projections for this highly anticipated postseason finale.

The current promotion allows first-time users to secure $75 in bonus entries after making a mere $5 play. This low-risk entry point provides an excellent opportunity to engage with the stat projections for players like Kenneth Walker III or Rhamondre Stevenson without a massive initial investment.

Here are the specific details regarding the current sign-up bonus:

To remain eligible for this offer, users must meet the specific age requirements listed above, which vary by state. Residents in Arizona, Massachusetts, and Virginia must be at least 21 years old, while those in Alabama and Nebraska must be 19+. All other legal states require players to be 18+.

Underdog Fantasy Promo Code Details

The current Underdog welcome offer provides an exceptional starting point for the Seattle Seahawks vs. New England Patriots finale. New customers who register can unlock $75 in bonus entries by simply playing just $5 on any eligible contest. This instant boost ensures users have significant funds to explore the wide range of projections available for the February 8 showdown at Levi’s Stadium, allowing for multiple entries on the passing, rushing, or receiving markets.

This promotional offer is exclusively available to new Underdog customers residing in participating states. To activate the bonus, users must successfully complete the registration process and meet all applicable age requirements before placing their qualifying $5 entry on this NBC-broadcasted championship game.

Use Underdog NFL Promo Code on Seattle Seahawks vs New England Patriots

The Seattle Seahawks battle the New England Patriots in this high-stakes postseason matchup at Levi’s Stadium in Santa Clara, CA. This neutral-site game is scheduled for February 08, 2026, at 03:30 PM PST and will be broadcast nationally on NBC. While Levi’s Stadium features an outdoor roof and a turf surface, specific weather conditions for kickoff are currently unavailable. Both franchises have advanced deep into the tournament, with the New England Patriots entering their fourth game of the postseason and the Seattle Seahawks entering their third, setting the stage for a dramatic conclusion to the 2025 season.

Seattle Seahawks vs New England Patriots Projections & Analysis

The player pick market is active for this championship clash, with Underdog setting projections for key offensive playmakers. Below are some of the most popular passing, rushing, and receiving totals available for the Seattle Seahawks and New England Patriots.

Seattle Seahawks

  • Sam Darnold: 230.5 Passing Yards
  • Kenneth Walker III: 73.5 Rushing Yards
  • Jaxon Smith-Njigba: 94.5 Receiving Yards
  • Cooper Kupp: 32.5 Receiving Yards
  • AJ Barner: 24.5 Receiving Yards

New England Patriots

  • Drake Maye: 220.5 Passing Yards
  • Rhamondre Stevenson: 49.5 Rushing Yards
  • Stefon Diggs: 43.5 Receiving Yards
  • Hunter Henry: 39.5 Receiving Yards
  • Mack Hollins: 27.5 Receiving Yards

Statistical trends from the postseason offer insight into these projections. New England Patriots rookie quarterback Drake Maye has averaged 177.7 passing yards per game through three postseason appearances, sitting well below his current projection of 220.5 yards. Conversely, Seattle Seahawks quarterback Sam Darnold has been more prolific, averaging 235 passing yards per game over two contests, slightly edging his total of 230.5.

On the ground, the running backs show strong potential against their respective numbers. Kenneth Walker III has been a focal point for the Seattle Seahawks, averaging 89 rushing yards per game according to recent reports, significantly clearing his listed total of 73.5. Similarly, New England Patriots running back Rhamondre Stevenson is averaging 64.67 rushing yards per game, suggesting value on the higher side for his 49.5-yard projection. In the receiving game, veteran Cooper Kupp is averaging 48 receiving yards per game for the Seattle Seahawks, providing a cushion above his modest projection of 32.5 yards.

How to Activate the Underdog Promo Code for the Championship Finale

Securing the $75 bonus for the Seattle Seahawks vs. New England Patriots championship game is a simple process. By following the steps below, new users can ensure their account is properly funded and ready for kickoff at Levi’s Stadium.

  1. Register: Download the Underdog Fantasy app or visit the desktop site to create a new account. You will be required to provide standard personal information to verify your identity.
  2. Enter Promo Code: During the registration process, ensure the Underdog promo code SDS is applied in the designated field.
  3. Deposit: Fund your account with at least $5 using one of the platform’s secure payment methods.
  4. Play: Place a $5 entry on any eligible market, such as the rushing total for Kenneth Walker III or the passing yards for Drake Maye.
  5. Collect Bonus: Once the qualifying entry is placed, you will receive $75 in bonus entries to use on additional contests.

Please note that this offer is valid only for new users who meet specific age and region requirements.

Understanding Entry Types

Once you have your funds ready for the Seahawks vs. Patriots matchup, you can choose between two primary entry styles to optimize your strategy:

  • Standard Entry: This option requires you to select 2 or more picks. To win, every single leg of the entry must be correct. While this carries higher risk, a Standard entry triggers the largest potential payout multipliers.
  • Flex Entry: If you prefer a safety net, you can choose to flex an entry with 3 or more picks. This format allows you to still receive some winnings even if one leg of your prediction is incorrect, offering a more conservative approach to the postseason finale.
Bob Wankel

Bob Wankel is VP of sports betting content for SportRadar. He covers the Phillies, breaking news, and sports gambling for the website Crossing Broad. He is also a producer and co-host of Crossed Up: A Phillies Podcast. A South Jersey resident and graduate of Monmouth University, his past work includes six seasons as a freelance producer at NFL Films.

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