Teams targeting Sullinger in trade talks?

All the talk today around the NBA seems to involve what the Boston Celtics will do in the wake of Rajon Rondo's season-ending injury, and David Aldridge of NBA.com writes today that he "will be shocked if [Danny] Ainge doesn't make at least one major deal by the trade deadline." The big question, then, is who will be headed out of Beantown?