Question: Ronald Joseph "Ronnie" McFall, is a former football player and manager, at the time of his resignation he was the longest-serving manager in European club football, having held the record ever since Alex Ferguson stood down as Manchester United manager in 2013, Ferguson is a Scottish former football manager and player who managed which organization, from 1986 to 2013?
Sentence (from "Alex Ferguson"): He is regarded by many players, managers and analysts to be one of the greatest and most successful managers of all time.
Relevant evidence: No