The shelf life for NFL running backs is short, and outside of a few cases, the age of 30 is generally the point at which the decline phase starts--and some don't even get there before it happens. So, Minnesota Vikings running back Aaron Jones doing what he did in his age-30 campaign defied the odds.
Last season, Jones set career-highs in carries (255), touches (306), and rushing yards (1,138) along with 51 receptions and seven total touchdowns. Ideally, he wouldn't have had to take on that much volume, but there were no viable options behind him.
The Vikings changed that latter point very early this offseason by acquiring Jordan Mason from the San Francisco 49ers.