(Updated AUGUST 16th) Just because the NFL is a passing league these days does not diminish the importance of RB’s in fantasy football whatsoever. In fact, RB’s who are of the “three down” variety are the most rare and valuable property in the NFL these days. The biggest determining factor in a RB’s fantasy value is your league format. Because teams throw the ball so much these days RB’s who catch the ball out of the backfield are significantly more valuable in PPR formats than those who do not. Also, if you are in a non PPR league short yardage RB’s who will see goal line touches become usable in certain situations as well. The following are rankings for a basic league ½ point PPR.