Griffin, who played for the Brooklyn Nets last season, could help fill in at center for the injured Robert Williams.

Boston enters a new season with a new coach, but Jayson Tatum and Jaylen Brown are still on hand to lead a team that reached the NBA Finals last season.

Malcolm Brogdon was a top scoring option in Indiana but knows that his role will change with Boston and is willing to sacrifice for the sake of the team.

“It’s a good thing to just play basketball. That’s what we’re here for. It’s important to just start this thing back up again,” said Celtics veteran Al Horford.

Joe Mazzulla addresses reporters on the on the eve of training camp, just a few days after head coach Ime Udoka was suspended for the season.

Udoka is being penalized because he engaged in an improper relationship with a member of the organization, sources say.

Gallinari, who signed with Boston in July, was injured playing for Italy in a FIBA World Cup qualifier.

Danilo Gallinari probably won’t be ready for the start of the NBA season, but the knee injury could have been much more serious.

Players currently wearing No. 6, such as LeBron James, will be able to keep their number, but it will otherwise be permanently retired by all NBA teams.

It would be a disservice – an insult, really – to look at Bill Russell as only a basketball player, even as one of the greatest ever.