The Rockets want to acquire Celtics point guard Rajon Rondo, according to sources familiar with Houston's thinking. Yet sources told ESPN.com that talks between the teams have not progressed to a serious stage because the sides can't agree on the framework of a trade. One main stumbling block, sources said, is Boston's desire to acquire blossoming Houston swingman Chandler Parsons in a potential Rondo deal. Sources say the Rockets have informed the Celtics that they are not prepared to surrender Parsons as part of a Rondo package. Read more http://espn.go.com/nba/story/_/id/10484540/houston-rockets-eyes-rajon-rondo-boston-celtics