Enzo Fernandez has revealed he was playing in pain for eight months and taking injections before making the decision to have surgery.
Fernandez last played for Chelsea in their 5-0 defeat to Arsenal at the Emirates before undergoing surgery which ruled him out for the remainder of the season.
The midfielder is expected to recover in time for the Copa America and could also play in the Olympics if Chelsea give him permission.
Fernandez reveals he was playing in pain for eight...