"I spoke to him in July, and we spoke again last week between ourselves," he said. "We speak everyday, but these were important conversations to do with the concerns he has for his career. He is happy with what I said. We'll get to January, and see what happens. I am not making him available for transfer because I don't really want him to go. But if somebody wants to do something about it they have every right in January."
Strachan reveals Riordan talks over Celtic future
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