The hot streak that the Dallas Mavericks are currently on cannot be attributed to just one player. In fact, almost every player in the regular rotation has had a key role in the Mavs recent push towards .500. The bench has been playing some of their best ball, not only this season, but in their careers.
This Mavs team is full of leadership that could help out just about any team in the league. Starting from the top, you have Harrison Barnes. HB is a veteran in the league and is a veteran for the Dallas Mavericks at this point and he should be looked at as one of the main leaders of this team.