Executive vice president of basketball operations Arturas Karnisovas is looking to make changes to the roster and continue the overhaul he left unfinished from the summer, but it's easier said than done right now.

The Chicago Bulls have almost accomplished the impossible with Lonzo Ball this season. Getting him back on the court was enough of an achievement. Ball has excelled far beyond that milestone, regaining the confidence and creativity that once put him among the top point guards in the NBA.

The Cleveland Cavaliers' future financial flexibility could be a key factor in their possible trade deadline moves.