The 31-year-old sustained the knee injury in the opening minutes of the 1-0 league win against Jong VVV on Monday.
De Cler was forced to lave the pitch and is set to undergo further test later this week to see how long he will be out of action.
The 31-year-old sustained the knee injury in the opening minutes of the 1-0 league win against Jong VVV on Monday.
De Cler was forced to lave the pitch and is set to undergo further test later this week to see how long he will be out of action.
