WWEKnocks on Instagram: "On New Year’s Eve 2012 at Cage Warriors 51, Conor McGregor delivered a defining moment in his career with a brutal first-round knockout of Ivan Buchinger to claim the lightweight title. His trademark left hand ended the fight in emphatic fashion, reinforcing his reputation as a ruthless finisher. Already the featherweight champion, McGregor’s win made him Cage Warriors’ first-ever simultaneous two-division titleholder—proving his elite skill across multiple weight classe