Via Chris Sheridan of ESPN:The Celtics' Rajon Rondo has become a potential All-Star after just three years in the league. However, head coach Doc Rivers and GM Danny Ainge have been pretty harsh toward Rondo over the course of the summer. The Celtics actually attempted to trade Rondo before the draft. While there's still a chance that the two sides agree to an extension, a source close to the process told me it's unlikely. Rondo wants All-Star ...