Santiago Ponzinibbio lyckades bli den förste att knocka islänningen Gunnar Nelson under kvällens UFC-gala i Glasgow, Skottland.
Ni kan se avslutet i videoklippet nedan.
LIGHTS! OUT!
Santiago Ponzinibbio gets the biggest win of his career with a HUGE KO over Gunnar Nelson! #UFCGlasgow https://t.co/FTyjGX5j2z
— FOX Sports: UFC (@UFCONFOX) July 16, 2017