Senior defensive end Jy'Kevious Hibbler hasn't been much of an impact player through four games, and is protecting his eligibility it appears as he's no longer on the Wolfpack roster. If he had played a fifth game, he'd be done in terms of redshiting.
NC State coach Dave Doeren praised redshirt freshman defensive end Isaiah Shirley for his play against Clemson, and he'll be the second-string defensive end if Hibbler is permanently gone.