Porzingis is becoming increasingly vocal from the sidelines. Brown believes Porzingis' engagement levels are a good sign, as it indicates he's getting mentally prepared to return to the court. Porzingis is a genuine X-Factor for the Celtics.

Coach Joe Mazzulla said Porzingis has been doing some full-court one-on-five work with assistant coaches. Point guard Jrue Holiday worked on defensive drills with Porzingis during Friday’s practice, and it provided a reminder of what Porzingis will provide when he returns.

Kristaps Porzingis is progressing well in his rehab, though there's still no concrete timetable on his return.