As the NFL asks what is the value of a RB, the Panthers answer by drafting Jonathon Brooks

CHARLOTTE—What is the value of a running back? It's a question that has dominated the NFL in recent years, sparking endless debate, comparisons of history versus probability, and sending ripple effects through contract negotiations and draft boards. For the Panthers, however, it's "non-negotiable." Since 2014, there have been 12 backs drafted in the first round, and six in the top ten. There was one of the latter as recently as last year, when Texas running back Bijan Robinson was drafted …