The Boston Celtics traded forward Kristaps Porzingis to the Atlanta Hawks in a three-team deal.

That can extend to ex-Celtics who have gone far in the playoffs this year, even to those who have reached the NBA Finals. Boston Celtics head coach Joe Mazzulla.

How likely is your favorite Celtics player to be traded? Jay King takes a look.

May 22 - Aditya Mittal, the CEO of steel giant ArcelorMittal, has agreed to invest $1 billion into a group purchase of the Boston Celtics, Sportico and Bloomberg reported Thursday.

Explore the latest news on the Celtics’ ownership change and its implications for the team's future in the NBA.

The Celtics, stung by the physicality and chaos the Magic created in Game 3, responded as you knew they would: Like champions.

Boston Basketball Partners LLC, owner of the Boston Celtics,inked a deal to sell the team for a record $6.1 billion to an investor group, pending NBA approval.

Converse projected Shai Gilgeous-Alexander's signature logo on TD Garden after the Oklahoma City Thunder defeated the Boston Celtics.

Shai Gilgeous-Alexander trolls Boston Celtics with Converse logo after the Oklahoma City Thunder's win.

Production is underway at HBO on Celtics City, a multipart docuseries on the 18-time NBA champion Boston Celtics, from '30 for 30' producers.