#6 Bryan Robson
Manchester United's "Captain Marvel" was already an established legend when Sir Alex arrived in '86.
In October 1981, new manager Ron Atkinson made Robson one of his first signings at the club by breaking the British transfer record, shelling out £1.5 million for the then 24-year-old.
Although he did win 2 FA Cups under Atkinson, his first major trophy came in the form of two successive league titles in 1993 and 1994, although by that time he was no longer first choice under Ferguson.
He was the last player before the Premier League era to wear the prestigious number 7, and even though he didn't play for Sir Alex as long as some of the other players on this list, he remains one of the greatest players ever coached by him.
In 1990, he led United to an FA Cup, beating Crystal Palace 1-0 in the final. In the process, he became the first United captain to lift the trophy three times.
By the time the Premier League era rolled in though, he subsided to a secondary role in midfield, having lost his place to Paul Ince, Brian McClair and Mick Phelan.
After over 450 appearances and 99 goals, he signed for Middlesborough in 1994 in a player-manager role.