Cooper Flagg grew up cheering on the Boston Celtics, and now he is filming a commercial with arguably the greatest player to ...

Celtics fans are getting excited with the team's championship potential following Jayson Tatum's season debut in their win over the Mavericks.

What Tatum is doing — a superstar coming back from an Achilles surgery and rejoining a team that managed to stay in the hunt without him — has never been seen before.

Everybody I’ve talked to has had this date circled since the schedule released,” said Flagg's trainer Matt MacKenzie of ...

Everybody can't be John Henry, either. Nobody else is Jim Brown.

A Forgotten Place, an Impossible Dream, and the Miracle of Larry Bird,' and broke down the impact of JT's return.