Underdog Promo Code WTOP: Claim $75 Bonus for Seahawks-Rams Picks

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As the Rams and Seahawks prepare for their pivotal Week 16 showdown, new fantasy sports players can capitalize on a fantastic welcome bonus. By using our Underdog promo code WTOP, first-time users can sign up, place an initial $5 entry, and instantly receive $75 in bonus entries.
This bonus is conveniently broken down into ten separate $10 entries, giving you multiple chances to build lineups and make picks for the exciting player prop markets available for the Thursday night matchup on December 18, 2025.

Underdog Promo Code WTOP for TNF

This welcome promotion is an excellent opportunity for fans looking to engage with the Rams vs. Seahawks game on a deeper level. The offer provides a significant boost to your starting bankroll, allowing you to explore various player props and fantasy contests with minimal initial risk.
Underdog Promo Code WTOP
New Underdog User Offer Play $5, Get $75 in Bonus Entries
Terms and Conditions New players only, 18+, must be a resident of a legal state. 21+ in AZ, MA, and VA. 19+ in AL and NE.
Last Verified December 18, 2025

How the Underdog Promo Code Works

The Underdog promo code unlocks a “Play $5, Get $75” welcome offer designed for new customers. After signing up and making your first entry of just $5, your account will be instantly credited with $75 in bonus entries. This bonus isn’t a single credit; it’s conveniently split into ten separate $10 entries, giving you the freedom to explore a wide array of player contests without putting down a large initial deposit. With the Los Angeles Rams visiting the Seattle Seahawks on Thursday, December 18, 2025, this promotion is perfectly timed. You can use your ten bonus entries to build multiple lineups for this specific game, spreading your picks across various players and stats. This offer is exclusively available to new Underdog customers who are 18 years or older (19+ in AL/NE, 21+ in AZ/MA/VA) and located in a state where Underdog is legally available.

Use Underdog NFL Promo Code on Los Angeles Rams vs. Seattle Seahawks

This Week 16 conference game pits two rivals against each other as the Los Angeles Rams visit the Seattle Seahawks. The matchup is scheduled for Thursday, December 18, 2025, with kickoff at Lumen Field in Seattle, Washington. As an outdoor venue, conditions could play a factor in this late-season contest, with both teams looking to secure a crucial win as the regular season winds down.

Los Angeles Rams vs. Seattle Seahawks Analysis

The quarterback battle features two veterans, with Matthew Stafford leading a Rams offense that averages 30 points per game, slightly edging out Sam Darnold’s Seahawks, who put up 28.9 points per contest. Both teams have shown an ability to score, setting the stage for some intriguing player prop opportunities. Popular Player Markets:
  • Matthew Stafford (Los Angeles Rams): 231.5 Passing Yards
  • Sam Darnold (Seattle Seahawks): 225.5 Passing Yards
  • Kyren Williams (Los Angeles Rams): 55.5 Rushing Yards
  • Kenneth Walker III (Seattle Seahawks): 45.5 Rushing Yards
  • Puka Nacua (Los Angeles Rams): 73.5 Receiving Yards
  • Jaxon Smith-Njigba (Seattle Seahawks): 89.5 Receiving Yards
  • Zach Charbonnet (Seattle Seahawks): 33.5 Rushing Yards
  • Colby Parkinson (Los Angeles Rams): 39.5 Receiving Yards
  • AJ Barner (Seattle Seahawks): 30.5 Receiving Yards
  • Blake Corum (Los Angeles Rams): 38.5 Rushing Yards
Matthew Stafford’s passing yards market of 231.5 looks particularly interesting. This season, Stafford has been on fire, averaging 265.9 passing yards per game with an impressive 7.9 yards per attempt and a stellar 112.2 passer rating. His average is more than 30 yards more the current market. On the other side, Sam Darnold has a market of 225.5 passing yards. He averages 245.2 passing yards per game this season.

How to Activate This Underdog Promo Code Offer

Getting started with this Underdog bonus is a straightforward process. Follow these steps to register, claim your offer, and begin making your picks for the Rams vs. Seahawks game:
  1. Register Your Account: Begin by signing up for a new Underdog account. During this process, you will be asked to provide standard personal information to verify your identity. Crucially, you must enter promo code WTOP when prompted to ensure you qualify for the welcome bonus.
  2. Make a Deposit: Once your account is created, make an initial deposit of at least $5. Underdog offers several secure and convenient deposit methods.
  3. Place Your First Entry: Find a contest you like—such as the player prop markets for the Rams vs. Seahawks matchup—and place your first entry with a stake of at least $5.
  4. Receive Your Bonus: After your $5 entry is submitted, you will automatically receive $100 in bonus entries, ready to be used on future contests. Remember, this is for new users who meet the age (18+, 19+ in AL/NE, 21+ in AZ/MA/VA) and location requirements.

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