R.J. Davis: North Carolina's Floor General Posted Mar 30, 2022 Arguably the most important reason the Tar Heels have been so effective on offense is the fact the roles of the guards have been established and R.J. Davis has been the one primarily responsible for running the offense. “I think it just gave Caleb an opportunity to just focus more on just scoring and not trying to be a playmaker,” Armando Bacot explained. (Inside Carolina)