After the Celtics’ victory over the Spurs last month, Jaylen Brown wanted to make sure his team stayed dialed in for the mentally toughest portion of the season.

Brown wanted the Celtics to be locked in for the 14-game stretch leading into the All-Star break, when teams notoriously start to check out. He thought it was important to stay engaged, knowing it can help them build endurance for the playoffs.

“Teams start to count the days, and we’re going to just keep stacking wins,” Brown said.

It wasn’t a perfect stretch for the Celtics, by any means, as complacency crept in with a couple uncharacteristic losses. They were unimpressive in some victories. But they still continued to stack wins. Over those 14 games, the Celtics went 11-3 and finished with an emphatic victory on Wednesday night with a XXX-XX domination of the lowly Nets at TD Garden that was never even remotely close.

Derrick White scored 27 points, Jayson Tatum added 20 points and nine assists, and Payton Pritchard had 28 off the bench for the Celtics. They led by 46 entering the fourth quarter, allowing their regular starters to get an early start to their All-Star breaks as they didn’t touch the floor for the final period. The Celtics (43-12), now on a six-game winning streak, lead the Eastern Conference by a commanding 6 1⁄2 games with 27 games to play.

The victory marked Mazzulla’s 100th career win as a head coach after taking the job at the beginning of the last season.

The Celtics approached the final game before the break with the right approach and focus, while it looked like the Nets were already on vacation. The C’s held the Nets to 15 points in the first quarter and thoroughly dominated them in every aspect. Behind several second chances and shot-making, the Celtics more than tripled up the Nets at one point in the second quarter by a score of 52-17 after they reeled off a 22-0 run.

The Celtics led 68-32 at halftime, a 36-point advantage that marked their fourth-largest halftime lead in franchise history and biggest since 2010.

The Celtics poured it on to start the second half as they went on a 9-0 spurt behind three triples out of the break and never looked back in this laugher. They led by as many as 56 in the fourth quarter.

Some other takeaways from the Celtics’ win:

– Kristaps Porzingis left the game late in the second quarter with an apparent leg injury and limped to the locker room. He did not return to the game, but came back to the bench for the start of the second half and was all smiles, suggesting the injury isn’t serious.

– The biggest sign of the Celtics’ effort – or the Nets’ lack thereof – came in effort plays. The C’s finished with nine offensive rebounds and converted them into 21 second-chance points. Luke Kornet was a monster on the glass with four offensive boards, which led to several of those points.

– Rookie Jordan Walsh earned some surprising first-quarter minutes when he checked into the game with 2:16 remaining in the opening period, and played in a lineup alongside Tatum and Porzingis. He committed two quick fouls.