Once Brian Callahan Got the Coaching Bug, the New Titans HC Began Following in His Father’s Footsteps

Callahan’s dad is Bill Callahan, a former head coach with the Raiders in the NFL, and Nebraska in college, who has made 11 different coaching stops in all. The elder Callahan’s profession took the family, and Brian, all over the country. Callahan, now offensive line coach with the Browns, just completed his 43rd year as a coach. Source