3: Roy Keane

The hot-headed, full-blooded captain who offered no quarter and installed fear into team-mates and enemies in equal measures.

Keane's capture for a British transfer fee record of £3.75m from Nottingham Forest may have been questioned at the time, but no one can argue that he wasn't worth ten times that much in the long run.

Becoming a crucial part of Sir Alex's side for more than a decade and playing with his heart on his sleeve every time he stepped out onto the pitch, Keane epitomised the fight and vigour Ferguson was known for. 

Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms