Exactly what I was thinking.
Plus, Kevin Garnett agreed to be traded to Boston.
Yes, KG had to agree to be in Boston in order to be traded to the Celtics. Ainge & Company have a good point about considering KG a free agent who chose Boston.
For those of you looking for an example of an "A-level" star choosing Boston.
For a long time, the Celtics had no cap space and/or were rebuilding. Of course they weren't getting any top free agents at those times. But when the Celtics have been in position to get someone in free agency, they've done it more often than not. The Celtics are a free agent destination franchise.