Iconic ex-Manchester United manager Sir Alex Ferguson dropped brutal advice regarding a Real Madrid legend during the early stages of the former player’s career. That is according to former Tottenham boss Harry Redknapp, who crossed paths with Sir Alex Ferguson when he was managing in the Premier League. Ferguson is widely regarded as one of the best managers of all time, with the Manchester United legend leaving behind a lasting legacy at Old Trafford. The 82-year-old Scotsman led the Red Devils to all 13 of their Premier League titles, with United’s last league success coming in the 2012-13 …