Manchester United icon Sir Alex Ferguson was in attendance at Old Trafford on Sunday and offered his guidance to Ruben Amorim, although his words haven't always proved useful for managers in the past

As Ruben Amorim’s Manchester United tenure continues to stutter, Sir Alex Ferguson – whose recommendations haven't always paid dividends – has already given his advice

Sir Alex Ferguson's advice to Ruben Amorim was simple, but can Manchester United turn things around before it's too late?