With Summer League over with and news being relatively dry during this part of the offseason for the Dallas Mavericks, what better of a time could it possibly be to look back at some former Mavericks that ended up switching teams to one of Dallas' rivals, as the Mavericks have let some elite players slip through the cracks to rivals teams over the years.
Some of these players may not even have joined Dallas' full-on rivals to a certain extent, but the way in which they left was a little conniving or dispiriting when they chose to cross enemy lines, so here are six former Mavericks that did Dallas dirty upon their transferring of squads.