Whelan says he will not stop in N'Zogbia's way once they receive some firm offers - which he expects will materialise soon following a string of enquiries.
He told the Wigan Evening Post: "There is quite a lot of interest in Zoggy. He has said to me I've enjoyed my time at Wigan but I want to move on to other things.
"He's very proud now of playing for France again and he feels a bigger club would be better for him for selection for France, for which we have to agree and I've said we will not stand in his way.
"There have been plenty of enquiries but the season is still a bit away yet and the transfer market is only just beginning to kick in.
"They're all on holiday but we'll come together in a fortnight and sort it."