The Spanish side did not disclose the fee for the 23-year-old, but reports claim it is around £25million.
Mata is set to undergo the relevant medical tests at Stamford Bridge before completing the move.
The Spanish side did not disclose the fee for the 23-year-old, but reports claim it is around £25million.
Mata is set to undergo the relevant medical tests at Stamford Bridge before completing the move.
