No. 16 LSU will respond to defensive tackle Jacobian Guillory’s season-ending injury not by elevating one reserve into a starting role, but by adapting the Tigers’ alignment up front to suit the strengths of available players, coach Brian Kelly said on Monday.Kelly confirmed that Guillory’s injury during Saturday night’s victory over Nicholls State was a torn Achilles tendon. He added that coaches are speaking with the senior defensive lineman and his family about a possible medical redshirt, which would give Guillory an opportunity to play for the Tigers next season.“He was a stalwart for us, a big physical, point-of-attack guy,” Kelly said as his team began preparations for this Saturday’s game at South Carolina. “You’re losing a very strong inside presence to your defense, and so you’ve got to look at who can make up for that.”Junior college transfer Shone Washington got the bulk of the work after Guillory went …