Watch: Pereira knocks Roundtree leaving his face unrecognisable

In a thrilling main event at UFC 307 in Salt Lake City, Alex Pereira once again proved why he is one of the most feared fighters in the light heavyweight division. Defending his title against underdog Khalil Rountree Jr., Pereira delivered a devastating performance. He ended the bout with a brutal fourth-round TKO, leaving Rountree's face almost unrecognizable.