The Boston Celtics play basketball tonight, as we head into a season of the great unknown. For the first time in a long time, we head into a Celtics season with a lot more questions than answers.

The Celtics GM knew he had to tear apart a title-winning roster. "It wasn't the most fun summer," he told The Athletic.

The Boston Celtics are in the middle of a pivotal offseason as they reshape a roster full of questions. With Jayson Tatum rehabbing, the front office trying to manage the luxury tax, and a need to stay competitive, tough calls are being floated. One name ...

Celtics head coach Joe Mazzulla has a habit of showing love to all of his players, including the recently retired Malcolm Brogdon.

The Boston Celtics are reportedly targeting Phoenix Suns center Nick Richards to bolster their frontcourt after trading Jrue Holiday and Kristaps Porzingis. This move aims to provide affordable depth and rim protection while managing the salary cap.

A 6-foot-7 rookie forward is experiencing this now, as he recently signed a contract with the Boston Celtics three days after the organization waived him. “NEW: RJ Luis, who was on a two-way contract with the Celtics throughout camp but waived earlier this week, has now signed an Exhibit 10 contract and will join the Maine Celtics.”

Mazzulla will keep the Boston defense in the top 10 for the ninth time in the last 11 seasons. The Celtics haven’t fallen out of the top 15 since Brad Stevens’ rookie season as a head coach in 2013-14. Despite the personnel losses, this won’t be the season that streak ends.