Below you will find our fantasy football injuries roundup for running backs as of December 7th, coming out of the 13th week of NFL action.There have been new developments surrounding the injury statuses of various NFL running backs, including Josh Jacobs, Kenneth Walker III, Joe Mixon, Michael Carter, and DeeJay Dallas.The fantasy football season may be young, but every decision, transaction, and lineup change matters. These are some key running back injuries that managers will want to check on ...