Manchester United have completed the signing of Ivory Coast international Eric Bailly from La Liga side Villarreal, the player signed a long-term deal, which will keep him at the club until 2020.
United also confirmed that an option to extend for two more years is included. According to Transfermarkt the fee is in the region of €36.5m (£28.50m).
Mourinho, speaking to the club's official website, said:
"Eric is a young central defender with great natural talent. He has progressed well to date and has the potential to become one of the best around. We look forward to working with him to help nurture that raw talent and fulfil his potential. Eric is at the right club to continue his development."
He played for Villarreal since January 2015 when he was signed from Espanyol for €6m. He played a total of 47 games over one and a half year for Villarreal and has won 13 caps for Ivory Coast.
Bailly told manutd.com: It is a dream come true to be joining Manchester United.
"To play football at the highest level is all I have ever wanted to do. I want to progress to be the best that I can be and I believe working with Jose Mourinho will help me develop in the right way and at the right club."I am looking forward to meeting my new team-mates and to starting this new chapter of my life."