
Nikita Tszyu has once again showcased his "psychopathic" dark side while vowing to take out trash-talking Spaniard Oscar Diaz in the pair's super-welterweight showdown in Newcastle.
Ranked sixth with the IBF, Tszyu (11-0, 9KOs) is intent on edging closer to a maiden world-title shot with another statement victory over his fellow undefeated rival on Wednesday night.