Famous Italian coach Maurizio Sarri spoke about the decision in his career that he would like to change now.
Maurizio Sarri, Getty Image
"Leaving Chelsea was my biggest mistake. There was a good foundation to stay and continue working at the club. I made a big mistake at that moment.
We won the Europa League, the project was great, but unfortunately I wanted to go back to Italy," Sky Sport Italy quotes Sarri as saying.