As The Eagles sang in Hotel California: 'I heard the mission bell/And I was thinking to myself/'This could be Heaven or this could be Hell.'
The mission bell of management tolls again for Roy Keane but who can tell which way this enigmatic character's return to Sunderland will turn out.
Keane is one of football's most complex figures and even the news he will be interviewed for the vacant manager's job at the Stadium of Light, as exclusively revealed by Sportsmail on Wednesday, will have sent electricity coursing through the dressing room there.