UFC Fight Night 166: Blaydes vs. dos Santos was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 25, 2020 at PNC Arena in Raleigh, North Carolina, United States. A heavyweight bout between Curtis Blaydes and former UFC Heavyweight Champion Junior dos Santos served as the event headliner.
Curtis Blaydes
Junior dos Santos
Michael Chiesa
Rafael dos Anjos
Alex Perez
Jordan Espinosa
Angela Hill
Hannah Cifers
Jamahal Hill
Darko Stošić
Bevon Lewis
Dequan Townsend
Arnold Allen
Nik Lentz
Justine Kish
Lucie Pudilová
Montel Jackson
Felipe Colares
Sara McMann
Lina Länsberg
Brett Johns
Tony Gravely
Herbert Burns
Nate Landwehr