Perhaps no nickname has ever been more well earned than ‘The Notorious’. Conor McGregor has grown into one of the most recognisable athletes on the planet, fighting his way to the top of two divisions in the UFC simultaneously (something nobody has ever done, before or since), challenging the greatest boxer ever and also finding himself in trouble on more than one occasion. The poster-boy of the UFC took to Twitter to announce that he was retiring from MMA and as such, we’ve taken a look back at some of the highs and lows of his career to date.