Warnock told talkSPORT: "We haven't got to sell him. He's got 18 months to go [on his contract]. Once the window closes, if he stays, I wouldn't have a problem with him, he'd just knuckle down.
"With the offers that are on the table at times behind the scenes it is tempting to put a transfer request in. Unless we get players in, which we're working hard to do, then he won't be going anywhere."