By Mike McDaniel The longtime college football commentator is preparing for his inaugural season calling NFL games on a regular basis. View the original article to see embedded media. ESPN college football analyst and new Amazon “Thursday Night Football” color commentator Kirk Herbstreit is preparing for his first season calling NFL games full-time, and he will do so with legendary play-by-play announcer Al Michaels. Michaels has spent the last 16 years as the lead commentator for “Sunday Night Football” on NBC and developed a rapport and strong chemistry with his counterpart Cris Collinsworth…