NBA Underdog Player Predictions for Monday (12/15)
Monday, December 15, 2025: Below are three of the best picks for today’s NBA slate on Underdog according to our projections team. Using factors like advanced analytics, minutes, matchups, and pace, 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.
Keep in mind that the NBA news cycle can get crazy, so what is listed below may become a better/worse play depending on how news breaks. Be sure to keep close tabs on our NBA starting lineups page and NBA injury report to get a current snapshot of who is in/out and what a team’s rotation and depth chart looks like.
Below, I’ll detail how I’m approaching things on Underdog for this Monday slate.
First… Sign Up to Make NBA 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 NBA matchups each day. 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 NBA Underdog picks today, let RotoGrinders do the heavy lifting for you!
Underdog Top NBA Picks for December 15, 2025
Now that you’re signed up, here are some of our top NBA DFS picks on Underdog for Monday:
- Jalen Duren lower than 13.5 Rebounds & Assists
- Nikola Jokic lower than 11.5 Rebounds
- Alperen Sengun lower than 14.5 Rebounds & Assists
Pistons vs. Celtics NBA Underdog Predictions
Jalen Duren lower than 13.5 Rebounds & Assists
The rebounds & assists projection for Jalen Duren looks like a strong pick based on the current data. The Underdog projection of 13.5 compares favorably based on our NBA simulations. This pick projects to hit 62.2% of the time based on the assumptions, and that represents a 4.4% edge.
Rockets vs. Nuggets NBA Underdog Predictions
Nikola Jokic lower than 11.5 Rebounds
The rebounds projection for Nikola Jokic looks like a strong pick based on the current data. The Underdog projection of 11.5 compares favorably based on our NBA simulations. This pick projects to hit 61.6% of the time based on the assumptions, and that represents a 3.8% edge.
Alperen Sengun lower than 14.5 Rebounds & Assists
The rebounds & assists projection for Alperen Sengun looks like a strong pick based on the current data. The Underdog projection of 14.5 compares favorably based on our NBA simulations. This pick projects to hit 60.2% of the time based on the assumptions, and that represents a 2.4% edge.
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Image Credit: Imagn