The new Celtics documentary features never-before-seen archival footage and interviews with more than 80 players. How to ...

Here's the trailer for expansive 'Celtics City' HBO documentary series, which covers the team's history both on and off the court.

No NBA team has a history like the Boston Celtics, and a new docuseries on HBO will tell the full story of the league's winningest franchise.

As chaos engulfed the NBA ahead of last week's trade deadline, the Celtics largely stood pat — betting that a proven roster ...