The Alexa Grasso walkout at UFC Noche. UFC Fight Night: Grasso vs. Shevchenko 2 (also known as UFC Fight Night 227, UFC on ESPN+ 85 and Noche UFC) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 16, 2023, at the TMobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States.
The event celebrated Mexican independence day, which included having a variety of Mexican fighters compete at the event.
A UFC Women's Flyweight Championship rematch between current champion Alexa Grasso and former champion Valentina Shevchenko headlined the event. The pair previously met at UFC 285 in March 2023 in which Grasso captured the title via a fourth round submission upset. A welterweight bout between Shavkat Rakhmonov and former interim UFC Middleweight Championship challenger (also The Ultimate Fighter: Team Jones vs. Team Sonnen middleweight winner) Kelvin Gastelum was expected to take place at the event. However, Gastelum withdrew after sustaining a facial fracture. A middleweight bout between Chris Curtis and Anthony Hernandez was expected to take place at the event. However, Curtis withdrew due to a rib injury and was replaced by Roman Kopylov. In turn, Hernandez pulled out of the bout due to a torn ligament and was replaced by Josh Fremd.
A welterweight bout between Daniel Rodriguez and Santiago Ponzinibbio was expected to take place at the event. However, Rodriguez was pulled from the bout by USADA after testing positive for the banned substance ostarine. Ponzinibbio then announced in early September that he would not be competing at the event after all.
A women's strawweight bout between Elise Reed and Cynthia Calvillo was expected to take place at the event. However, Calvillo pulled out due to undisclosed reasons and was replaced by Iasmin Lucindo in a catchweight bout of 120 pounds. In turn, Reed was removed from the event for undisclosed reason and was replaced by Josefine Lindgren Knutsson. Then, Lucindo withdrew from the event due to an undisclosed injury and newcomer Marnic Mann served as her replacement.
A lightweight bout between Natan Levy and Alex Reyes was scheduled for the event. However, Levy withdrew from the bout for undisclosed reasons and he was replaced by newcomer Charlie Campbell.