John Yannis scores first-round KO of Jamie Siraj at UFC Winnipeg

John Yannis knocked out Jamie Siraj in the first round at UFC Winnipeg. This represents Yannis's first victory in the UFC after losing his promotional debut, improving his record to 10-4. The bout was Siraj's UFC debut, and he falls to 14-4 overall. The knockout marked a successful turnaround for Yannis in the organization. Details about the specific finish were limited in the report.