(FILES) Ukraine's Oleksandr Usyk reacts after defeating Netherlands' Rico Verhoeven (off frame) by TKO during their WBC World Heavyweight Championship 'Glory in Giza' boxing match at the Pyramids of Giza on May 23, 2026. Ukrainian boxer Oleksandr Usyk announced on Instagram on June 26, 2026 that he was giving up his three world heavyweight titles (WBA, WBC and IBF), stating that he would have one last fight without providing further details. (Photo by Khaled DESOUKI / AFP via Getty Images)