NFL Underdog Player Predictions for Rams vs. Seahawks TNF (12/18)

Week 16, Thursday Night Football: Below are three of the best picks on Underdog according to our projections team for the Rams vs. Seahawks game on December 18, 2025. Using factors like advanced participation data, the latest efficiency analytics, historical trends, and advanced matchup factors, every single pick is going to be based on what our projections say is a meaningful edge. Get access to all of these picks, including much more, by subscribing to the RotoGrinders Props & Pick’em package.
Don’t forget to check out our NFL weather page, which is curated by our Chief Meteorologist, Kevin Roth, to see how that may impact these picks. And you can always stay up to date on exactly what a team’s depth chart is looking like by heading to our NFL starting lineups page.
Below, I’ll detail how I’m approaching things on Underdog for Rams vs. Seahawks.
First… Sign Up to Make NFL Underdog Picks
If you want to play along but haven’t signed up yet, grab a special offer with our Underdog promo code “GRINDERS” to unlock a generous bonus. Underdog – one of the most popular DFS pick’em sites – provides player projections for NFL matchups each week. It is then up to the user to decide whether a player will ultimately exceed or fall short of those projections in the games. With a huge roster of players available from which to choose, we just need to make a minimum of two picks to build an entry.
When making your NFL Underdog picks today, let RotoGrinders do the heavy lifting for you!
Underdog Top NFL Picks for Rams vs. Seahawks
Now that you’re signed up, here are some of our top NFL DFS picks on Underdog for Thursday Night Football:
- Jaxon Smith-Njigba higher than 16.25 Fantasy Score
- Puka Nacua higher than 16.85 Fantasy Score
- Terrance Ferguson lower than 19.5 Receiving Yards
Rams vs. Seahawks NFL Underdog Predictions
Jaxon Smith-Njigba higher than 16.25 Fantasy Score
The fantasy score projection for Jaxon Smith-Njigba looks like a strong pick based on the current data. The Underdog projection of 16.25 compares favorably based on our NFL simulations. This pick projects to hit 58.3% of the time based on the assumptions, and that represents a 0.5% edge.
Puka Nacua higher than 16.85 Fantasy Score
The fantasy score projection for Puka Nacua looks like a strong pick based on the current data. The Underdog projection of 16.85 compares favorably based on our NFL simulations. This pick projects to hit 60.2% of the time based on the assumptions, and that represents a 2.4% edge.
Terrance Ferguson lower than 19.5 Receiving Yards
The receiving yards projection for Terrance Ferguson looks like a strong pick based on the current data. The Underdog projection of 19.5 compares favorably based on our NFL simulations. This pick projects to hit 58.4% of the time based on the assumptions, and that represents a 0.6% edge.
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Image Credit: Imagn

