#7 NEMANJA VIDIC: Here is a man who was called 'a warrior' by Sir Ferguson. In return, this is how the fearless defender remembers his former manager: “He had to have the knowledge, leadership skills, how you treat the people, creating the environment where the players work to give the best for the club. He asked you to do the things you can do, not what you cannot do...' The Serb was signed from Russian side Spartak Moscow in 2006 for £7 million and rose to the rank of a club legend before exiting England in 2014. (Photo | AP)