With free agency and the draft process revving up, there are plenty of questions for every NFL team. But for most, there's one issue that trumps the rest. This is the first in a team-by-team look at the offseason tasks that just can't get botched.

There's higher-profile news in Minnesota at the moment, but amid all the Percy Harvin drama is a lingering question that threatens the Vikings’ very foundation. There’s no actual proof that Adrian Peterson can be killed by conventional weapons, but his post-human season is at least partially (partially!) a result of running behind of the league’s best offensive lines.