"When a professional returns or is invited to return to a club, it's a great honour".
Mourinho is set to be seen on screen for the first time since being sacked by Manchester United [Courtesy] A source told the Mail Online: "There are no issues over Jose's contract with Manchester United".
Real's apparent desperation to land Mourinho, who left in 2013 after a dressing room revolt led by Sergio Ramos and Iker Casillas, means Perez will be prepared to bite the bullet and meet United's demands.
Mourinho could potentially come back to haunt United in the Champions League should he take charge of any of the other remaining 15 sides.
Their 2-0 home defeat by Real Sociedad on Sunday saw them slump to fifth in La Liga, 10 points behind leaders Barcelona.