[2] The event celebrated Mexico's independence Day, which included having a variety of fighters of Mexican descent compete at the event; the concept rode the coattails of Las Vegas having traditionally hosted major boxing matches involving Mexican fighters on or around Independence Day.

[4] The pair previously met at UFC 285 in March 2023 in which Grasso captured the title via a fourth round submission upset.

[5] A welterweight bout between Shavkat Rakhmonov and former interim UFC Middleweight Championship challenger (also The Ultimate Fighter: Team Jones vs.

[14] However, Calvillo pulled out due to undisclosed reasons and was replaced by Iasmin Lucindo in a catchweight bout of 120 pounds.

[16] Then, Lucindo withdrew from the event due to an undisclosed injury and newcomer Marnic Mann served as her replacement.