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Celtics sign guard Leandro Barbosa

Leandro Barbosa of the Pacers is seen guarding Dwyane Wade during Game 3 of the Eastern Conference semifinals last season.

Michael Conroy/Associated Press

Leandro Barbosa of the Pacers is seen guarding Dwyane Wade during Game 3 of the Eastern Conference semifinals last season.

Guard Leandro Barbosa has reached a one-year deal with the Celtics, league sources told Yahoo! Sports and several other news outlets. The 29-year-old Barbosa will figure into Boston’s backcourt mix in a reserve role.

Barbosa averaged 11.1 points per game with Toronto and Indiana last season. Known as a scorer, he could find a role as Rajon Rondo’s backup, sharing time with Jason Terry and Courtney Lee. With Avery Bradley out until at least December, the Celtics seem to have a need for Barbosa, though he’s unlikely to play substantial minutes.