Alistair Johnston is facing up to six weeks out at Celtic after suffering an injury against Kilmarnock.
The Canadian international was forced to leave the pitch at half-time during the 5-1 Rugby Park victory.
Alistair Johnston is facing up to six weeks out at Celtic after suffering an injury against Kilmarnock.
The Canadian international was forced to leave the pitch at half-time during the 5-1 Rugby Park victory.