Celtic hero Stiliyan Petrov insists Ange Postecoglou is up for challenge
Stiliyan Petrov has backed Celtic boss Ange Postecoglou, insisting the manager has a lot of details to imprint on his players, so early in his tenure.
junglelion
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Stiliyan Petrov has backed Celtic boss Ange Postecoglou, insisting the manager has a lot of details to imprint on his players, so early in his tenure.
