The Celtics are aiming to keep coach Joe Mazzulla around for the long haul.

Boston is signing Mazzulla to a multiyear contract extension, the club announced Friday morning . The extension, of which the length was not specified, follows another strong season for the Celtics and their coaching wunderkind.

In three years with Boston, Mazzulla is 182-64—good for a winning percentage of .740, the highest in NBA among coaches with a minimum of 100 games.

Taking over for Ime Udoka after his abrupt Sept. 2022 suspension and eventual firing, Mazzulla led the Celtics to a 57-25 record in 2023, a 64-18 record in 2024, and a 61-21 record in 2025. In '24, Boston won the NBA title, making Mazzulla the youngest NBA champion coach since Bill Russell in 1969.

A Rhode Island native with a quirky publi

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