Joe Mazzulla admits that the Celtics are happily miserable this offseason as they try to regroup for next season.

What to Know Tip-off set for 4 p.m. ET on NBC Sports Boston. First look at Celtics draft picks Hugo Gonzalez, Amari Williams, and Max Shulga. Jordan Walsh, Baylor Scheierman looking to take next step ...

Contract values carry an outsized importance to building an NBA team. Every deal is viewed through the lens of how friendly ...