Minnesota coach Kevin O'Connell said Friday that receiver Justin Jefferson is dealing with a mild hamstring strain and will be held out of practice. Jefferson will be re-evaluated next week, but he should be fine for Week 1.

Vikings head coach Kevin O'Connell announced on Friday that superstar receiver Justin Jefferson will miss some practice time during training camp with a mild left hamstring strain. Exactly how much time he'll miss is unclear,

Justin Jefferson left practice Thursday with a left hamstring strain, but the injury may not be anything to worry about. An MRI revealed a “mild strain” in the Vikings’ star wide receiver’s left hamstring after he removed himself from training camp and is expected to be re-evaluated next week, according to ESPN.