The Scottish manager led Manchester United to one of the most glorious eras of the team until he stepped aside in 2013.

Former Manchester United boss Sir Alex Ferguson shocked the world of football after undergoing an emergency surgery.

According to reports by the BBC, the retired Scottish tactician had an emergency brain surgery due to a haemorrhage. The coach's family has asked for privacy during this complicated moment.

The 76-year-old manager was last seen on Sunday, as he presented a commemorative trophy to Arsene Wenger at Old Trafford.

The Scottish manager is the most-winning coach in the English Premier League, with his list of accomplishments including 13 EPL titles, two UEFA Champions League trophies, five FA Cups and four League Cups.

Manchester United issued a statement via Twitter where they detailed Ferguson's condition at the moment.

Former players and opposing teams poured in to wish Ferguson a quick recovery.