Two sports commentators discuss and grade the Broncos running backs, including Jonah Coleman and JK Dobbins. While the on-field talent is praised, a 'stupid pinky promise' hilariously lowers the group's overall grade from a straight 'A' to an 'A-'. #denversports #denver #colorado #denverbroncos #broncos #broncoscountry #nfl #football #doverandcecil