John Charles Layfield ( born November 29 , 1966 ) known by his ring name 's John `` Bradshaw '' Layfield and JBL , is a retired American professional wrestler that is best known for working with WWE as a color commentator and in-ring competitor . He is currently commentating and hosting mixed martial arts promotion Vyper Fight League . John Charles Layfield ( born November 29 , 1966 ) is a former American professional wrestler and a former commentator\/host for mixed martial arts promotion Vyper Fight League .