Following up on the ongoing story. ... Healthy and back atop the depth chart, Clay Williams can be considered a fringe RB2 against the Chargers with Kansas City full go in their quest for a first-round bye.

According to NFL Network's Ian Rapoport, the Vikings have ruled out RB Dalvin Cook (shoulder, chest) for Sunday, while Alexander Mattison (ankle) is questionable.

Even with the questionable designation, Mattison seems unlikely to play at this point as the Vikings are keen to get their top two ball carriers back in the mix for the postseason.

Mike Boone and Ameer Abdullah seem likely to handle the bulk of the bacfield work.