The defender is a free agent after being released from his contract at Istanbul Basaksehir.
"I don't know, there are some rumours, but nothing concrete," Rafael told Sky Sports.
“I'm waiting with my family here and training to see, I'm just 31 and I'm looking forward to my next challenge.
“Who knows [returning to England]? Maybe, you never know. It would be amazing if I could come back to England and play in the Premier League again, it's massive."
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