[2] A rematch between Raphael Assunção and former WSOF Bantamweight Champion Marlon Moraes served as the event headliner.

[3] The pairing previously met in June 2017 at UFC 212 with Assunção winning the fight via split decision.

[4] As a result of the cancellation of UFC 233, a middleweight bout between Markus Perez and promotional newcomer Anthony Hernandez was rescheduled for this event.

However Sosnovskiy pulled out of the fight in early January after undergoing surgery to correct a recent injury.

[8] At the weigh-ins, Sarah Frota and former WSOF Flyweight Champion Magomed Bibulatov both missed the required weight for their respective fights.