Popularly known as a medical redshirt, a hardship waiver may be granted to athletes who appear in fewer than 30% of team competitions (none after the midpoint of the season) then suffers a season-ending injury. Players granted such a waiver are treated for the purposes of eligibility as though they did not compete in that season.
So he could red shirt if its decided he has a season ending injury and does not play from this point on.