NFL free agency preview: An all-time great running back leads top skill-position players (Shutdown Corner)

It’s rare to see one of the best running backs ever, only one season removed from winning a rushing title, available in free agency. The group of available skill-position players in free agency got more interesting when the Minnesota Vikings announced they would not be picking up running back Adrian Peterson’s option. The rest of the group of running backs, wide receivers and tight ends has some intriguing names, and it’s a better group than last year.