Fantasy football flex rankings for Week 8

Clay: Coleman is clearly the lead RB for the 49ers (1:16)

Mike Clay sees Tevin Coleman continuing to be valuable in fantasy because he's been used as the lead running back for the 49ers this season. (1:16)

Welcome to Week 8 and the latest edition of the PPR flex rankings! Trades are happening all around us, with the final unbeaten teams picking up veteran wide receivers in exchange for draft picks, so what are you waiting for, fantasy managers? Here we jumble together the top running backs, wide receivers and tight ends into one list, but please keep an eye on the news as the week goes on, because more than a few players are injured and may or may not play. Good luck!

1. Dalvin Cook, RB, Vikings: