The Dallas Mavericks and Boston Celtics are discussing a trade involving Rajon Rondo. The Mavericks are currently trying to get Dwight Howard to sign with the team. Rondo might cause some cap space difficulties if Howard decides to sign with Dallas. The Celtics are believed to be asking for recent draftee Shane Larkin in return. It makes sense for the Celtics to trade Rondo and look for draft picks or young prospects in exchange since they are in “rebuilding mode”.