The Tony Brown regime has begun with an exhale.

Though the interim coach will likely be replaced this season, while he’s here, Brown is intent on bringing a level of fun and simplicity to a team that hasn’t had a whole lot of either this season, players have said. It’s manifested itself in simpler defensive schemes, a focus on better ball movement, and “a more free-flowing offense where everyone is comfortable getting in their own game as well as running our stuff in the half-court,” Brook Lopez said at the Wednesday morning shoot-around.

“It was pretty positive the last few days,” he added. “We have a good feeling.”

That’s something of a feat itself, considering the Nets entered Wednesday night’s game losers of their last 10 at home, and last five overall.

Particularly, Thaddeus Young said, they’re bringing back some of the defensive setups they used last year, when they made the playoffs.

“He wants us to pick up, play with a little more intensity,” Shane Larkin said. “Have fun, go out there, play hard.”

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Colangelo a front-runner

Bryan Colangelo, son of Jerry Colangelo and former general manager of the Suns and Raptors, is on the Nets’ radar for their open GM position, according to an ESPN report, which cited sources close to the situation. The Nets reassigned Billy King last Sunday after five and a half years as general manager.

Netcetera

Jarrett Jack had reconstructive surgery on his torn ACL Wednesday, the team announced, and is expected to make a full recovery for next season. Jack tore his ACL and meniscus in a game against the Celtics on Jan. 2 and has a $500,000 buyout on his contract for next year . . . After battling with the likes of the 6-11 LaMarcus Aldridge when he played the Spurs on Monday night, Young wasn’t exactly rolling out the welcome mat for Kristaps Porzingis. “Any guy that’s taller than me that can shoot the basketball is tough to cover,” said Young, before mentioning Aldridge, who is three inches taller than him and scored 25. “He’s just very confident,” he said of the 7-3 Porzingis, who Young had far more success with. He held him to 2-for-10 shooting in the first half.