Real Madrid coach Jose Mourinho has paid tribute to Sir Alex Ferguson over his 25 years at Manchester United.
Mourinho is a huge fan of the Manchester United chief, who celebrates 25 years at Old Trafford tomorrow.
Mourinho insisted: "Sir Alex is a unique manager in the history of Manchester United.
"Sir Alex is a unique manager in the history of English football.
"And Sir Alex is a unique manager in the history of European football."