[4] It would be Dillashaw's first fight since his two-year suspension due to testing positive for recombinant human erythropoietin (EPO), which resulted in his title vacancy.

[5][6] However, Dillashaw announced on April 27 that he had to pull out of the fight due to a cut he received from a headbutt in training.

[8] A women's flyweight bout between former Invicta FC Atomweight Champion Michelle Waterson and Marina Rodriguez served as the new main event instead.

[9] The pairing usually fights at strawweight, but due to the short notice of the booking, they met at a weight class above.

[15] While Rothwell made weight without issue, Lins never showed up to the weigh-ins and withdrew from the bout due to an illness.

[25] However, Motta pulled out in mid-April due to an injury[26] In turn, Hadžović was rescheduled and is expected to face Yancy Medeiros two weeks later at UFC Fight Night: Font vs.

His bout with Zarrukh Adashev was cancelled by the Nevada State Athletic Commission due to health concerns.