Jekyll

After watching Rangers' Jekyll and Hyde performances as a pundit and club ambassador all season, Ferguson has now witnessed them from pitchside.

They make Jekyll and Hyde look uncomplicated; at times pure thoroughbreds, the Frankel of rugby and, at other times, self-destructive, the Devon Loch of the age.

They reckoned without the Jekyll and Hyde, the domestic Rangers and the European Rangers, the Rangers who have the devil's own job in breaking down defensive teams in the Premiership but who are like kids in candy stores in Europe when there is space and an ability to counter-attack.

Over its long history, hormone replacement therapy for women in menopause has been the Jekyll and Hyde of medications.

A showier witness might have borrowed from popular culture to compare him to a tormented Dr Jekyll and Mr Hyde, or perhaps to Hannibal Lecter, stiff-backed in his prison cell in The Silence of the Lambs.