Dimitar Berbatov, Cristiano Ronaldo and Wayne Rooney knew exact moment they had beaten teams before a game

The players, their opponents and the watching spectators already knew the outcome.

For the best part of two decades Manchester United were idolised as much as they were envied.

It was a dynasty that at times felt as though it was never going to end as the club continually reconstructed its squad to remain at the very top of English football.

On the rare occasion an opponent got the upper hand, there was then the challenge of overcoming their almost unbreakable mental strength.

That was the key to United’s success implemented by legendary manager Sir Alex Ferguson .

The legendary Scot was a pioneer when it came to sports psychology and its modern impact on the game and implementing his ideas onto his players was a fundamental aspect of United’s dominance.

Ferguson was at the latte