By Andrew Holleran With Kirk Herbstreit reportedly set to become Amazon’s lead NFL analyst for Thursday Night Football, fans are wondering about his future on College GameDay. The longtime ESPN college football analyst will continue to cover the sport for the network. However, it might be unfair to expect him to continue to work every College GameDay show. Herbstreit’s travel schedule would be truly insane if that happens. He could have to be in an NFL city on Thursday night, a college city on Saturday morning and a different college city that Saturday night. ESPN’s College GameDay often broad…