UFC on ESPN: Barboza vs. Gaethje

[3][4] A strawweight bout between Alexa Grasso and Marina Rodriguez was scheduled at UFC Fight Night: Assunção vs. Moraes 2.

[6] In turn, it was reported that Grasso was pulled from the bout due to injury and replaced by former WSOF Women's Strawweight Champion Jessica Aguilar.

[7] A bantamweight bout between former UFC Flyweight Championship challenger Ray Borg and Liu Pingyuan was scheduled to take place at the event.

[8] However, it was reported on March 13, that Liu was replaced by newcomer Kyler Phillips for an undisclosed reason.

[9] In turn, Phillips was removed from the card on March 25 for undisclosed reasons and replaced by Casey Kenney.