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Boston Celtics general manager of basketball operations Danny Ainge faces reporters during a news conference in Boston, Monday, July 1, 2013.

(AP Photo/Steven Senne)

The Boston Celtics and Brazilian center Vitor Faverani have agreed to terms on a three-year, $6-million contract that will bring the 25-year old to the NBA for the first time, according to Marc Spears of Yahoo! Sports.

Faverani averaged 9.3 points and 4.6 rebounds last season for Valencia of the Spanish ACB league, widely regarded the world's second-best professional league behind the NBA. Valencia announced Friday that the 6-11, 260-pound center paid his buyout to disassociate himself from the team and free himself to continue his career elsewhere.

Celtics draft pick Lucas Nogueira, whose rights belong to the Atlanta Hawks after a draft-night trade, recently told CSNNE.com's Jessica Camerato he thinks Boston will be getting a talented player.

"He's very good," Nogueira told Camerato. "He's a defensive and offensive player, but I think he's offensively better. He has a lot of moves in the post. He's had a great season in Spain last year. He's strong but can jump, can run. He's a great player."

A scout described Faverani as long, strong and athletic, with the physical tools to succeed in the NBA but skills that haven't developed at quite the same rate.

After the Faverani and Phil Pressey signings become official, Boston will have 16 players under contract, one more than the league maximum. President of basketball operations Danny Ainge will likely look to make more trades before opening night, but if he can't find a way to trim the roster that way he'll need to release someone. Two things to keep in mind if the Celtics do need to waive a player: It's unclear how much of Pressey's reported multiyear contract is guaranteed, and Shavlik Randolph's deal won't become guaranteed until Aug. 1.