The Irishman stood to free Siver, then made a dash for the fence. Vaulting over the cage, McGregor ran to the audience. Dee Devlin, turned out immaculately in a glistening scarlet dress, rose to meet her long-time partner – but that wasn’t McGregor’s intention. Standing next to Devlin, understated in a leather jacket, was José Aldo, the featherweight great and face of the division.