Chiasson vs. Vieira is the latest blow to a UFC card that has been decimated by cancellations. Former UFC bantamweight champion Dominick Cruz withdrew due to injury. Perennial contender Edson Barboza is out of his fight vs. Steve Garcia. A heavyweight scrap between Curtis Blaydes and Rizvan Kuniev has shifted to UFC 313.

The Al Nassr striker and former Real Madrid icon was in attendance as Nassourdine Imanov defeated Israel Adesanya in the main event.

Brazilian featherweight Edson Barboza has been forced out of Seattle's Feb. 22 UFC event due to injury. The 39-year-old Barboza (24-12 MMA, 18-12 UFC) had been scheduled to face Steve Garcia at UFC Fight Night 252 at Climate Pledge Arena.