Fantasy Football Week 8 running back rankings: Are Kenneth Gainwell, David Johnson really worth trusting? | CBS Sports Headlines Fantasy Football Week 8 running back rankings: Are Kenneth Gainwell, David Johnson really worth trusting? The week’s hot waiver-wire target is no sure thing. ESN FeedsThis post was originally published on … Continue reading Fantasy Football Week 8 running back rankings: Are Kenneth Gainwell, David Johnson really worth trusting?