Welcome to Week 6 and yet another edition of the fantasy football flex rankings, combining the best of the running backs, wide receivers and tight ends -- in one man's opinion -- into a tidy PPR list. Four teams are on a bye this week (Buffalo Bills, Chicago Bears, Indianapolis Colts and Oakland Raiders), so before wondering where Marlon Mack is, well, you know. Best of luck in Week 6 and beyond!
1. Christian McCaffrey, RB, Panthers: