The 26-year old Tunisian international, who joined Blues from Racing Santander on a three-year deal this summer after a loan spell last season, "has seriously damaged the ligament" and is expected to be out for much of the first half of the season.
Nafti blow for Bruce
The 26-year old Tunisian international, who joined Blues from Racing Santander on a three-year deal this summer after a loan spell last season, "has seriously damaged the ligament" and is expected to be out for much of the first half of the season.