Daniel Theis was a favorite of Boston Celtics during his five years wearing the green. He's turned into a basketball ...

It'll be hard enough seeing Marcus Smart in a Lakers uniform. It'll be worse knowing Marcus Smart really could have helped the Celtics.

The former Boston Celtics fan favorite is reportedly drawing interest from multiple teams around Europe this summer ...

On the fan engagement side, Celtics fans showed their usual loyalty, driving record viewership on NBC Sports Boston and racking up over 880 million global video views across social and digital ...

Following Lillard's return to the Trail Blazers, one Boston Celtics alum, Marcus Smart, has come up as a possible target for ...

But the Celtics have found other ways to remain engaged with fans. The Celtics have approximately 20 million social media followers worldwide, and they have stayed up on the trends.

Presenting The Athletic's 2023 Celtics fan survey, giving our readers a chance to sound off. NBA. Teams. Playoff Bracket. Scores & Schedule. Standings. NBA Draft. The Bounce Newsletter. Podcasts.

Longtime fans of the Boston Celtics may remember a night in 2009 when they witnessed what might be the greatest spontaneous fan performance in the history of the NBA. It was a typical midseason tilt ...

Celtics fans aren’t quite as high on Jaylen Brown’s potential, but most voters still see him as a future All-Star. Brown, who came off the bench late in the 2018-19 season, has taken advantage ...

Whether it be the supportive community within the Celtics fanbase or simply the color green, here’s what parade-goers said is the best part about being a Celtics fan. Responses have been lightly ...

Celtics Jaylen Brown calls on Celtics’ crowd to ‘be a little bit better’ in Game 2 of NBA Finals "I expect us to be even louder. Sunday, we are going to need our fans to be hyped." ...

Celtics fans of all ages soaked in a celebration 16 years in the making. For Mike and Finn Thurm, the raising of Banner 18 into the rafters at TD Garden provided a “real special memory” for ...