UFC Vegas 124 has announced a new heavyweight headliner, according to a report by Marcel Dorff on October 30, 2026. The promotion did not immediately reveal the identity of the new main event fighter. The change comes ahead of the upcoming fight night event in Las Vegas.
In a recent heavyweight bout at UFC 324 on January 24, 2026, Waldo Cortes-Acosta of the Dominican Republic defeated Derrick Lewis of the United States by technical knockout in the second round at T-Mobile Arena.
