Jerick McKinnon's promising rookie season is over.
The Minnesota Vikings announced Saturday that the rookie running back has been placed on season-ending injured reserve with a nagging lower back injury.
McKinnon, a third-round draft pick out of Georgia Southern, was leading the Vikings in carries (113), rushing yards (538) and yards per carry (4.8). Among rookie backs, he ranks third in rushing yards, behind Jeremy Hill and Tre Mason.
The runner will have a procedure done on his back with a recovery time of about eight weeks, ESPN.com's Adam Caplan reported.
McKinnon is still a nice dynasty/keeper value for next season given Adrian Peterson's up-in-the-air status with the Vikings. Peterson could win his appeal and be reinstated as soon as Week 15, assuming the Vikings want to welcome him back when there's not much to play for. Matt Asiata figures to continue as the lead back for now, with Ben Tate and Joe Banyard in the mix.