For all the good luck that the UFC had in keeping fights scheduled through January, February is not starting off the same way.
Extra weight was added to the Adesanya-Silva fight when UFC president Dana White announced on Friday that it would be for the No.1 middleweight contender spot.
Kelvin Gastelum is trying to put a positive spin on losing his chance to fight for the middleweight title at UFC 234.
The UFC will stage its first pay-per-view of 2019 from Australia, and fight fans at the Rod Laver Arena in Melbourne - home of the Australian Open - will see two massive middleweight matchups.
Whittaker was taken to hospital on Saturday morning, a source told ESPN's Ariel Helwani.More news: Amazon's Bezos says National Enquirer tried to blackmail him over 'intimate photos'
With next to no time to find a replacement for Whittaker all the way out in Australia, UFC 234 turned to its old superstar in Silva to headline the event.
Follow live updates as three Kiwis fight at UFC 234.
Adesanya is undefeated from 15 fights in mixed martial arts, and won his first four fights in the UFC a year ago, including three victories that were adjudged performance of the night.