Poyet hopes to sign Ki permanently for Sunderland
"There is a chance (of a full transfer)," said Poyet. "Swansea had an opportunity to call him back, and they didn't.
"That was a difficult day for me because I was waiting and waiting.
"I think there are a couple of things we need to make sure: where we are and where we want to go, and with the player as well.
"I can see that he's enjoying his football and making a difference."
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