Postecoglou admits that Celtic need to be more clinical after loss
John Souttar's late header gave Celtic the worst possible start to the campaign and Postecoglou acknowledged that his side should have been alert to the hosts' set-piece threat.
junglelion
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John Souttar's late header gave Celtic the worst possible start to the campaign and Postecoglou acknowledged that his side should have been alert to the hosts' set-piece threat.
