TALLAHASSEE -- Freshman defensive end Chris Casher was on crutches Saturday night after the Seminoles’ win over Clemson. Coach Jimbo Fisher said Monday that Casher had aggravated an old cartilage injury and could be looking at missing the rest of the season.

“In the warm up he just twisted his knee,” Fisher said. “He didn’t get hit or anything. It’s an old probably tear from high school or somewhere that he had kind of just played through and it just started catching again so they’ll probably have to clean that up.”

Casher had originally intended to redshirt, but a season-ending Lisfranc injury to senior defensive end Brandon Jenkins forced him and fellow freshman Mario Edwards Jr. into the rotation.

Florida State still boasts good depth along the defensive line even without Casher, who was third on the depth chart at the time he was injured.