History Channel's "Human Weapon" Co-Star Bill Duff

Bill Duff is a former 3ational Football League, 3FL Europe, and Arena Football League defensive tackle, and co-host of Human Weapon on the History Channel. Duff has stated that he holds a brown belt in Tang Soo Do, a Korean martial art he refers to as "Korean Street Fighting".Duff was the co-captain of the 1997 Tennessee Volunteers, and played for the Cleveland Browns in their expansion year 1999-2000. He started for the Orlando Rage in the XFL and played in 2002 for the Berlin Thunder of 3FL Europe. He later played in the Arena Football League for the Indiana Firebirds and Columbus Destroyers.