Watch the FULL FIGHT between rising Australian star Nikita Tszyu and tough challenger Oscar Diaz in an action-packed showdown. Oscar Diaz was stopped after his corner decided he could not continue following Round 6 against Nikita Tszyu. It was officially ruled a TKO/corner stoppage rather than Diaz personally quitting mid-round. From the opening bell to the final round, relive every moment as Nikita Tszyu steps back into the ring looking to continue his rise through the ranks