Everton and Tottenham are chasing the midfielder.
But Whelan said: "When James first joined us I told his mum and dad we would look after him and promised that I would never stand in his way.
"I will keep that promise, but we haven't had the right kind of offer yet and James himself hasn't asked for a move because he's happy.
"I think he needs another season with us and then he will have his pick of any of the top clubs."
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