Underdog Promo Code SBD: Get $50 Bonus for Patriots vs. Seahawks NFL Opening Night

Claim your welcome offer with Underdog promo code SBD to secure a $50 bonus for the Week 1 clash between the New England Patriots and the Seattle Seahawks.

This Underdog new user bonus allows first-time players to receive $50 in bonus entries after signing up and playing just $5 on the matchup. Designed strictly for new users, this daily fantasy sports promotion provides a straightforward way to dive into the NFL action and maximize your entry potential ahead of kickoff. There are also tons of MLB options available this week as well.

Underdog Promo Code SBD Delivers $50 DFS Bonus

With the Week 1 NFL schedule set to deliver an exciting cross-conference showdown between the New England Patriots and Seattle Seahawks on Wednesday night, there has never been a better time to get in on the action. By using the Underdog promo code SBD, players can unlock a highly rewarding welcome offer that instantly boosts their daily fantasy sports bankroll. Simply sign up for a new account, create your first lineup, and play just $5 to instantly receive $50 in bonus entries.

This special Underdog welcome offer is strictly reserved for new Underdog customers. To successfully claim the $50 in bonus entries, individuals must meet the minimum age requirements and be physically located within a participating, legal state at the time of sign-up. Once those standard eligibility requirements are met, the bonus entries are ready to be used on the highly anticipated Patriots-Seahawks matchup or any other upcoming NFL games on the slate.

New England Patriots vs. Seattle Seahawks DFS Props

When building your DFS entries, analyzing the available daily fantasy markets and player projections is critical. Here are the prominent over/under totals for this Week 1 matchup:

• New England Patriots Player Props:
  • Drake Maye: Over/Under 230.5 Passing Yards
  • Rhamondre Stevenson: Over/Under 58.5 Rushing Yards
  • TreVeyon Henderson: Over/Under 18.5 Rushing Yards
  • A.J. Brown: Over/Under 60.5 Receiving Yards
  • Hunter Henry: Over/Under 34.5 Receiving Yards
• Seattle Seahawks Player Props:
  • Sam Darnold: Over/Under 227.5 Passing Yards
  • Jadarian Price: Over/Under 52.5 Rushing Yards
  • George Holani: Over/Under 19.5 Rushing Yards
  • Jaxon Smith-Njigba: Over/Under 82.5 Receiving Yards
  • Cooper Kupp: Over/Under 29.5 Receiving Yards

When evaluating the props for this matchup, historical data suggests both passing attacks could be in for highly productive evenings. Looking at their 2025 regular-season benchmarks, the New England Patriots posted an impressive 4,258 passing yards and averaged 28.4 points per game. This high-scoring offensive pedigree provides strong support for Drake Maye to hit the over on his 230.5 passing yards line, which in turn could elevate A.J. Brown past his 60.5 receiving yards total.

On the other side of the ball, the Seattle Seahawks offense proved equally dangerous last season, amassing 3,877 passing yards and 28.1 points per game. Quarterback Sam Darnold is sitting with a modest prop of 227.5 passing yards. With high-volume targets like Jaxon Smith-Njigba, who carries a lofty 82.5 receiving yards line, and veteran Cooper Kupp (29.5 receiving yards) in the mix, Darnold has the weapons available to eclipse his totals in what projects to be a fast-paced matchup.

How to Redeem Underdog Promo Code SBD

Activating your Underdog promo code SBD for the Week 1 clash between the New England Patriots and Seattle Seahawks is a simple, straightforward process.

To get started, you will need to create and register a new Underdog account by providing standard personal information to verify your identity. Once your profile is set up, deposit at least $5 using one of the platform’s secure payment methods.

After successfully funding your account, simply play a $5 entry to officially activate your $50 in bonus entries. Please note that this exclusive welcome offer is only available to new users who meet the standard age and regional requirements for their specific location.

When building your initial entry for the Patriots-Seahawks matchup, you will have two distinct playstyles to choose from:

• Standard Entry: This option requires 2+ picks and will trigger the largest potential payout. However, keep in mind that all legs in a Standard entry must hit for you to win.
• Flex Entry: The alternative is to flex an entry by selecting 3+ picks. While the payout multiplier is slightly lower, a Flex entry provides a valuable margin of error, meaning you can still receive some winnings even if one leg is incorrect.