Petrov: Postecoglou's Celtic will take time to gel
Former Celtic midfielder Stiliyan Petrov says he is not surprised by the side's struggles under new manager Ange Postecoglou and thinks they will take time to gel.
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Former Celtic midfielder Stiliyan Petrov says he is not surprised by the side's struggles under new manager Ange Postecoglou and thinks they will take time to gel.
