Unified light heavyweight champion Artur Beterbiev was a man of few words as he sat down with Brian Campbell ahead of his long-awaited, four-belt unification at 175 pounds against unbeaten Dmitry Bivol on Oct. 12 (ESPN+) in Riyadh, Saudi Arabia. Beterbiev explains his mindset ahead of the biggest fight of his career, shares whether he has had to alter his style at age 39 and discusses what it would mean for him to retire undefeated and potentially become the sport's pound-for-pound king.