Niang only moved to Montpellier in January and has endured a controversial spell home in France.
Nicollin said: "Extend his loan? There is a hypothesis that has never been contemplated. You do not think that this is crazy?
"He is a player who doesn't do it for us. If you think he is a player who makes the difference, good for you, but I do not think so, especially after the Ferrari accident."
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