Matic departure has been questioned by some section of Chelsea fans and the fact that he was sold to a Premier League rival club makes it worse.
The Serb penned a three-year deal with Manchester United, as he quickly settled at Old Trafford, Matic will return to Stamford Bridge on Sunday for the first time since his departure.
Mourinho told Sky Sports: “I was surprised, I was surprised when his agent called me to say: 'Do you want him?'