[17] The featherweight and lightweight finals of The Ultimate Fighter: Undefeated took place at the event.
However, on the day of the weigh in, Sijara Eubanks was pulled from her main event fight due to kidney failure while trying to make weight.
Eubanks was replaced by Modafferi to face Nicco Montaño for the inaugural UFC Women's Flyweight Championship and Honchak faced former Invicta FC Bantamweight Champion Lauren Murphy who replaced Modafferi.
[24] ^ Marquez was fined $3,600, 30 percent of his purse for failing to make the required weight for his fight with Alessio Di Chirico.
[24] UFC 226: Miocic vs. Cormier was held on July 7, 2018, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area.