Jefferson is not in line to play in Sunday's preseason opener against the Raiders.
Other key Minnesota skill players who also aren't slated to play in Sunday's contest include quarterback Kirk Cousins (illness), running back Dalvin Cook, fellow wide receiver Adam Thielen and tight end Irv Smith (thumb). In that context, look for the focus of the team's coaching staff to be on evaluating those battling for battling for depth chart slotting ahead of Week 1.