Asked if he would stay at Boro, he told the BBC's Late Kick-Off: "Yes, I would.
"It's a fantastic club who gave me a chance in football, but I still think I've got unfinished business at Sunderland.
"There's a new manager there now and I want to go back there in the summer and see where I stand.
"Until then I don't know what's going to happen, so I've got to get my head down, work hard in the off season and see what comes of it."
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