The former middleweight champion, Robert Whittaker returns in his quest for a rematch with the current champion, Israel Adesanya. In his way, at UFC Vegas 24 is Kelvin Gastelum. These two were originally scheduled for UFC 234, however, after the weigh-ins, Whittaker had to withdraw from the bout with a hernia and a collapsed bowel. Originally the headliner was set to be Robert Whittaker taking on Paolo Costa, however, the Brazillian had to withdraw with an injury. Costa would have been competing for the first time since losing to Adesanya, however, it wasn’t to be.