NEWYou can now listen to Fox News articles! After five years out of the Octagon, Conor McGregor’s return barely lasted one minute.McGregor opened his Saturday fight against Max Holloway aggressively, attempting a running kick before throwing a head kick moments later. However, he slipped both times because it was apparent he had suffered a knee injury.He tried to power through it, but nearly two minutes into the fight, he grabbed at his right leg again, and referee Mike Beltran called the fight after just 69 seconds. In his first post on Instagram since the bout, McGregor vowed to return from…