The Boston Celtics are trading Georges Niang and two future second-round picks to the Utah Jazz for rookie RJ Luis Jr ., sources told ESPN's Shams Charania on Tuesday.

Niang's more than $8 million salary will go into Utah's trade exception from the John Collins deal.

In a related move, the Celtics have agreed to a one-year, $3.3 million deal with free agent forward Chris Boucher, agent Sam Permut of Roc Nation told Charania.

The Niang trade allowed Boston the flexibility to remain below the second apron after adding Boucher. They are now $7.8 million below the second apron after both moves and saved $34 million in luxury tax penalties.

Since the NBA draft, the Celtics have reduced their payroll from $540 million to $239 million.

Boucher, whose deal with Boston is guaranteed,

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