Former WBC heavyweight world title challenger, British boxer Derek Chisora knocked out a delivery man in London with a blow to the head.
Judging by the video, there was a verbal altercation between the athlete and the delivery man, which ended with Chisora headbutting his opponent.
Chisora last fought against Gerald Washington in August 2023. Derek won that fight, which lasted the entire distance, by unanimous decision. He has 34 wins (23 by knockout) and 13 losses in professional boxing.