NBA Underdog Player Predictions for Tuesday (10/21)

Payton of the Warriors

Tuesday, October 21, 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.

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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 Tuesday 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!

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Underdog Top NBA Picks for October 21, 2025

Now that you’re signed up, here are some of our top NBA DFS picks on Underdog for Tuesday:

Rockets vs. Thunder NBA Underdog Predictions

Alex Caruso lower than 5.5 Rebounds & Assists

The rebounds & assists projection for Alex Caruso looks like a strong pick based on the current data. The Underdog projection of 5.5 compares favorably based on our NBA simulations. This pick projects to hit 64.0% of the time based on the assumptions, and that represents an 11.5% edge.

Warriors vs. Lakers NBA Underdog Predictions

Gary Payton II lower than 3.5 Rebounds & Assists

The rebounds & assists projection for Gary Payton II looks like a strong pick based on the current data. The Underdog projection of 3.5 compares favorably based on our NBA simulations. This pick projects to hit 63.6% of the time based on the assumptions, and that represents a 5.8% edge.

Jonathan Kuminga lower than 6.5 Rebounds & Assists

The rebounds & assists projection for Jonathan Kuminga looks like a strong pick based on the current data. The Underdog projection of 6.5 compares favorably based on our NBA simulations. This pick projects to hit 63.5% of the time based on the assumptions, and that represents a 5.7% edge.

Editor’s Note: Looking for more places to play? Check out our PrizePicks promo code and Sleeper promo code.

Image Credit: Imagn

About the Author

meansy53
Andy Means (meansy53)

Andy Means (aka meansy53) was a walk-on with the esteemed Duke University basketball team for 3 years before graduating in 2004. He also has a Master’s in Accounting from the Indiana University Kelley School of Business and has been playing DFS since 2014 (qualifying for multiple Live Finals). In the summer of 2022, Andy took over the role of Premium Content Director for the RotoGrinders Network, overseeing the vast array of content that is created on RotoGrinders, ScoresAndOdds, and FantasyLabs. Follow Andy on X – @ameansy
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