With the Boston Celtics about to kick off a new season on Wednesday, Joe Mazzulla has been doing everything he can to prepare them for a challenging campaign with Jayson Tatum sidelined .

Given a younger, less experienced roster this season, Mazzulla has pushed them hard to improve throughout the preseason, especially on defense.

While his intense leadership style may come off as unusual at times, Jaylen Brown believes it’s exactly what this team needs.

“I think Joe’s done a great job of setting the tone, the pace, the energy, the style that we need to survive, the style that we need to play every single night,” Brown told reporters at Monday’s practice . “Obviously, we’re less talented than we have been before, less experienced than we have been before, so this is the style of

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