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Joe Mazzulla named Eastern Conference Coach of the Month for December

The Celtics continue to impress in the NBA’s 2025-26 campaign, despite fans and the media anticipating Boston to have a bridge year entering the season.

Boston’s latest achievement features head coach Joe Mazzulla, who was named December’s Eastern Conference Coach of the Month, the league announced Friday.

Mazzulla helped guide the Celtics to a 9-3 record last month, plus a NBA-best 124.3 offensive rating. Boston earned victories against opponents such as the Toronto Raptors (on Dec. 7 and again on Dec. 20) and the New York Knicks, finding its way to third place in the East entering Friday.