Even though the Panthers draft class seems like a great class , Carolina still has holes to fill , and one of them is another inside linebacker next to one of the Panthers biggest additions this offseason, Devin Lloyd.  As of right now, Trevin Wallace would be the other inside linebacker next to Devin Lloyd. Wallace is entering his third year and hasn’t put together a real starter-level season yet. The Panthers have spent and drafted like they’re in win-now mode, and there’s one veteran linebacker that’s still available who’d make a perfect addition next to Devin Lloyd.  CBS Sports’ Zachary Pereles dropped his “biggest position to improve post-NFL Draft” article on Wednesday and provided a free agent who can fill that need for each team.…