NO, NOT NUK!
I'm not very overly optimistic that he'll play this week. Interestingly, L. Green suffered a concussion during the Wednesday practice before week 1 but still managed to play. He ended up turning in a full practice Friday, however. Also, interestingly enough, L. Green suffered a 2nd concussion this week so maybe it wasn't the best idea to rush him back haha.
Concussions are scary, no doubt but on average I tend to favor them over lower body injuries. If he rests this week, so be it but long-term I'm not very worried about this.