My opinion after last year was that the Vikings should part ways with AP. He's been a great player, but is far too limited in what kind of offense he's effective in. Not a ball catcher. Not a blocker. Not good out of the shotgun. He's fantastic when he's got a fullback, and can line up 7-8 yards deep, but that really makes the offense one dimensional, especially when the line is suspect. Asiata and McKinnon aren't nearly the running back that Peterson is, but they bring other skills to the game that AP doesn't possess. I'll be interested to see how it goes if AP misses time. I don't think it will be all bad.
I think they'd be smart to use McKinnon more as a compliments when AP does return. They seem to be running more shotgun with Teddy and now Bradford at QB.
Peterson is only signed through next season, so I would think they will part ways with him then.
Gone are the days of the "feature back". Almost every team wants to have at least two guys who they can depend on with different skill sets.