Buy or sell: Spurs vs. Rockets, and Philly's starting lineup

How real are the Rockets' early issues? Thomas B. Shea/USA TODAY Sports

Throughout the season, we're checking in on which big NBA trends are real or not.

In this edition: Which Texas team will finish with more wins, the Houston Rockets or San Antonio Spurs? And do the Philadelphia 76ers need to change their approach with Markelle Fultz?