We throw back to a belter on Matchroom Boxing USA's first ever show, with Artur Beterbiev putting his IBF World Light Heavyweight title on the line against previously unbeaten challenger Callum Johnson. Both fighters scoring knockdowns in this fiery affair, proving one of the best fights of the night - watch back in full! Subscribe for updates: www.youtube.com/user/MatchroomBoxing #ArturBeterbiev #CallumJohnson