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Joe Mazzulla SOUNDS OFF ON BIG MAN’S STRUGGLES – The Celtics coach’s blunt words SHOCK FANS.

BOSTON — Scoring 144 points in a blowout win over a team that isn’t actually trying to tank is a sign of a good day for any NBA squad. The Boston Celtics had plenty to celebrate on Friday night: 54.2% shooting from the field, 49.2% from the three-point line, and a franchise-tying 29 made threes.

But beneath the gaudy numbers and the highlight-reel shots, there was a quieter, perhaps more significant development. Nikola Vucevic, the veteran center acquired from the Chicago Bulls at the trade deadline, delivered arguably his best game as a Celtic.

In just 19 minutes of action against the New Orleans Pelicans, Vucevic put up 14 points, four rebounds, and five assists. It came on the heels of a 10-point performance on Thursday. After struggling to find his footing following a broken bone in his hand that cost him four critical weeks, Vucevic finally looks like he might be rounding into form.

And just in time for the playoffs.

The Transition: From Starter to Bench

Vucevic has been a starter for virtually his entire NBA career. Since his second season in the league, 13 years ago, he has been in the starting lineup. In Chicago, he was a featured piece of the offense, a veteran leader with established habits and a comfort level that comes from years of familiarity.

Then he was traded to Boston.

Suddenly, everything changed. The offense was different. The teammates were different. And most significantly, his role was different. For the first time in over a decade, Vucevic was asked to come off the bench.

That adjustment is not easy for any player. For a 13-year veteran, it can be disorienting.

“Italy, Vucevic has been a starter pretty much since his second season in the NBA,” head coach Joe Mazzulla acknowledged after Friday’s win. “You underestimate how difficult it was for the transition that he made, going from Chicago, where he’s starting and has developed habits and has a ton of knowns and just has a lot of comfortability, and coming to a completely different situation where he’s coming off the bench and trying to figure it out in different systems and playing with different types of players.”

The Injury: A Setback at the Worst Time

Just as Vucevic was beginning to find his rhythm in Boston, disaster struck. A broken bone in his hand in early March sidelined him for four weeks—precious time that could have been used to build chemistry with his new teammates and acclimate to his new role.

He returned on April 5, but the rust was evident. In his first two games back, he shot a combined 3-for-15 from the field. The timing was awkward. The shots weren’t falling. The comfort level was nowhere to be found.

But Mazzulla preached patience. And that patience is starting to pay off.

“You can’t underestimate the time that it takes to be able to do that, especially for a veteran that’s been around a long time,” Mazzulla said. “I think the way he’s handled it has been tremendous for us.”

The Breakout: Vucevic’s Best Game as a Celtic

Friday night was a glimpse of what Vucevic can bring to this Celtics team when he is fully healthy and fully integrated.

In just 19 minutes, he was efficient (4-of-7 shooting), unselfish (five assists), and active on the glass (four rebounds). He looked comfortable. He looked confident. He looked like the player the Celtics thought they were getting at the trade deadline.

It was a small sample size, but it was encouraging. And with the playoffs looming, the Celtics will take all the encouragement they can get.

The Mazzulla Philosophy: Simplify and Be Physical

Mazzulla’s message to Vucevic has been consistent throughout the ups and downs: simplify.

“He just has to simplify,” Mazzulla said. “To me, when he plays with a level of physicality, defensively and his rebounding, his screening and shot-making, it is going to make us a different team.”

The natural ease with which Vucevic plays offense is a benefit. He is a skilled scorer, a capable passer, and a player who can stretch the floor with his shooting. But Mazzulla wants more than just offense. He wants physicality. He wants defensive intensity. He wants Vucevic to mix it up on the boards and set hard screens.

When Vucevic does those things, Mazzulla believes, the Celtics become a different team.

“He is continuing to get better at that,” Mazzulla said.

The Playoff Picture: What Vucevic Means for Boston

The Celtics have already clinched the No. 2 seed in the Eastern Conference. Their playoff path is set. But their rotation is not.

Kristaps Porzingis has been in and out of the lineup with injuries. Al Horford, at 39, needs his minutes managed carefully. The Celtics need a reliable big man off the bench who can provide scoring, rebounding, and spacing.

Vucevic is that player. Or at least, he can be.

His early struggles were understandable. The transition from Chicago to Boston was never going to be seamless. The injury was unfortunate. The adjustment to a bench role was always going to take time.

But now, with the playoffs days away, Vucevic is finally starting to look like the player the Celtics hoped they were getting.

The Verdict: A Work in Progress, But Progress Nonetheless

Nikola Vucevic is not going to be the star of the Celtics’ playoff run. That role belongs to Jayson Tatum and Jaylen Brown. But he can be a valuable piece—a veteran big man who can spell Porzingis and Horford, provide offense off the bench, and stretch the floor with his shooting.

His best game as a Celtic came on Friday night. It was a small step, but a step in the right direction.

Mazzulla isn’t worried. He has seen the progress. He believes in the process.

And if Vucevic continues to get better, the Celtics will be a different team—one with depth, versatility, and a legitimate backup big man who can make an impact in the playoffs.

The adjustment isn’t complete. But it’s getting there.

And just in time.