The Boston Celtics have become among the NBA’s most expert users of the traded player exception (TPE), the cap management quirk that lets trades be completed asynchronously — not at the same time for both sides. After the team elected not to use its massive, $17.1 million TPE generated by the departure of shooting guard Evan Fournier to the New York Knicks, the team still has two more fairly substantial TPEs it could use.
