Niang has been likened to Balotelli - on and off the field.
"I am not the Balotelli of Milan," he told Sport Mediaset. "It is way too early to say that.
"Mario is a great player, but I am still very young - I've only played four games for Milan.
"I am happy with the choice I made. The Rossoneri are a great club with a history of winning many titles."