Celtics to sign Ron Harper Jr. to a two-way deal  Yahoo SportsCeltics Sign Son of Bulls, Lakers Legend Ahead of Season  Sports IllustratedCeltics sign training camp standout to two-way deal  CelticsBlogBoston Celtics sign versatile forward to two-way deal  MassLive.comCeltics move quickly to fill final two-way roster spot with familiar face  Hardwood Houdini