The midfielder injured his ankle against West Ham at the end of August but has returned to full fitness and is available to anyone who wants him.
"I don't understand how nobody has come in for him," Warnock told the Croydon Advertiser.
"He is fully fit now but he wasn't in the 25-man squad. He is available for loan.
"We had one Championship club come in for him but then they took someone else."
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