Conor McGregor unloads on “Grade A Jackass” Justin Gaethje following his loss at UFC 274: “A bird brain with a bird brain manager”

Conor McGregor unloaded on Justin Gaethje last night following the latter’s submission defeat at UFC 274.

In recent years we’ve come to accept that nobody does social media in mixed martial arts quite like Conor McGregor. ‘The Notorious’ often takes to Twitter and goes on bizarre and entertaining rants, regularly directed at some of his rivals in the UFC. Sometimes it’s funny, and sometimes we’re all left scratching our heads.