[7] The pairing was previously scheduled for UFC on ESPN: dos Anjos vs. Fiziev, but Yahya withdrew due to a neck injury.

[13] Vlismas pulled out in late August for personal reasons and was replaced by former UFC Women's Strawweight Championship challenger and inaugural Invicta FC Atomweight Champion Jessica Penne.

[17][18] Promotional newcomer Chelsea Chandler and Leah Letson were scheduled to meet in a women's bantamweight bout.

[19] However, Letson pulled out in late August for personal reasons and was replaced by Julija Stoliarenko, therefore changing the pairing to a catchweight of 140 pounds.

[25] Despite both men weighing in successfully, the bout was cancelled while the event was in progress due to an undisclosed medical issue.