By Matt Hladik Kirk Herbstreit is in his customary spot in the booth for Thursday Night Football tonight, but viewers have noticed Herbstreit doesn’t sound like himself. The Amazon Prime Video game analyst might be dealing with a cold of some sort. His voice is more gravelly than usual and, at times, he sounds hoarse. “It’s going to be a grind for Kirk Herbstreit and his voice over the next few hours,” noted Awful Announcing. Others have also taken notice. “Kirk Herbstreit sick? He really should take care of himself by taking the night off and never calling a game again,” said an FSU fan who i…