Cleveland has made it to the best record in the league through 30 games. And all the Cavs really could use is some better work on the glass, as they rank only 19th in rebound percentage. This is a team with high-minute small guards and not a lot in the way of athletic size off the bench. But we’re nitpicking here.

Our NBA insiders break down this week's Power Rankings for all 30 teams and every young rising player on their rosters.

“It’s kind of deflating,” said Klay Thompson, who passed Reggie Miller for fifth on the career 3-point list during the spirited Dallas rally. “We have such a deep roster, and that’s why we can withstand this time without him.

The Dallas Mavericks may be without Luka Doncic for an extended period of time. Doncic exited Wednesday's game with a calf injury.

The absence will likely be long enough to disqualify the five-time All-NBA player from consideration for several major awards, including MVP.

Anthony Edwards scored 26 points, and the Minnesota Timberwolves held on for a 105-99 Christmas Day victory over Dallas after Mavericks superstar Luka Doncic left the game with a strained left calf.