The legendary former Celtic manager has revealed the identity of the only player he ever regretted signing
I won seven trophies and helped revolutionise Celtic – my one regret was signing £30m Brazil international
Glasgow World · Feb 15
I won seven trophies and helped revolutionise Celtic – my one regret was signing £30m Brazil international

I won seven trophies and helped revolutionise Celtic – my one regret was signing £30m Brazil international
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