I think James and Walton are the best 2 backs as far as running
I donʼt know about pass protection, knowing the whole playbook etc. When they have the ball they are a threat to take it to the house. Williams and Kendron are more power backs, short yardage and goal line. They are big like Bettis but donʼt possess his quick feet or speed, more of a “plodder” type back.