Boston Celtics head coach Joe Mazzulla David Butler II-USA TODAY Sports

Joe Mazzulla’s ascension to head coach after Ime Udoka’s suspension led to disagreements between the coaching staff and several of the Celtics‘ stars over the team’s style of play, according to Jay King and Jared Weiss of The Athletic. Boston was coming off an NBA Finals run under Udoka built around a suffocating defense, and many players wanted to continue that philosophy. Mazzulla placed more emphasis on the offense and frequently relied on smaller lineups, using Derrick White as a starter even when Robert Williams was healthy.

Although Mazzulla generally had the support of his players, who recognized that he was in a difficult situation, one source tells the authors that the team “just lost focus” after the All-Star Game, going 7-6 in its first 13 games following the break. Some veterans wondered why Mazzulla went away from Grant Williams, whose playing time was cut in March. Jayson Tatum and Jaylen Brown met with Mazzulla to implore him to put Grant Williams back in the rotation, sources tell King and Weiss.

Complaints about Mazzulla’s emphasis on offense continued into the playoffs, the authors add. Some players said they left timeouts unsure of the defensive coverages, and that Blake Griffin, Marcus Smart, Grant Williams and others would work things out at the last minute.

Even amid the chaos, players publicly remained supportive of Mazzulla after the Game 7 loss to Miami.

“I don’t think people give (Mazzulla) or us enough credit that, two days before (the) season starts, we find out we’re going to have a new coach,” Tatum said. “We didn’t have Rob the first 25, 30 games of the season, we never got a chance to have (Danilo Gallinari), and we got a new coach one day before media day. You know, that was an adjustment. We all figured it out. Obviously, we wanted to win the championship. Didn’t happen. But I think Joe did a great job. We won 50-some-odd games. We got to (Game 7 of the) conference finals. Obviously, everybody can be better, learn from this. But I think Joe did a great job this year.”

There’s more on the Celtics:

  • Among the reasons Mazzulla is likely to return as head coach next season is his contract, which still has $14M remaining in guaranteed money, sources tell Shams Charania of The Athletic. Charania expects Mazzulla to be given the chance to build his coaching staff this summer.
  • Brown didn’t talk much about his future after Game 7, but Tatum said it’s “extremely important” that he remains on the team, per Darren Hartwell of NBC Sports Boston. There has been speculation that the Celtics may explore trade options after Brown qualified for a super-max contract by earning All-NBA honors. ESPN’s Brian Windhorst said on his Hoop Collective podcast that he would be “stunned” if Boston doesn’t reach a new agreement with Brown (hat tip to Joseph Zucker of Bleacher Report).
  • Either White, Smart or Malcolm Brogdon is likely to be moved this offseason to ease the financial crunch, writes Chris Forsberg of NBC Sports Boston, who believes Brogdon could be the top trade asset despite his large salary. That savings could be used to keep Grant Williams, a restricted free agent, possibly at most of the mid-level exception, Forsberg adds.

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