Sir Alex Ferguson showed why he was in a class of his own after the former manager exposed one glaring mistake a Manchester United legend was making. The 82-year-old Scotsman has been out of management since 2013 after he bowed of Old Trafford for the final time as Manchester United manager. United captured their last Premier League title under Sir Alex Ferguson at the end of the 2012-13 season and the Red Devils have struggled since his retirement. Considered one of the best managers of all time, Ferguson had a long-lasting impact in English football – and the world – during his time in manag…
