Mike Vrabel isn't concerned about Derrick Henry's carries after 2,000-yard season; how other 2K backs fared

Only eight running backs have rushed for 2,000 yards in a season, as Derrick Henry is the latest to join the exclusive club. Henry rushed for 2,027 yards -- the fifth-highest total in a season in NFL history -- and is seeking a encore performance with a 17-game season on the horizon.