SYDNEY: Alexander Volkanovski reaffirmed his dominance over the UFC featherweight division with a masterclass performance, outlasting challenger Diego Lopes in a high-octane rematch at UFC 325 in Sydney. The 37-year-old Australian superstar retained his 145-pound crown with a unanimous decision (49-46, 49-46, 50-45) after an electrifying five-round war that pushed both athletes to the limits of endurance and skill. Volkanovski,