Del Nido said: "The bid wasn't sufficient. The idea is that he continues growing here at Seville, just like he did last season. "There exists an obligation that if a formal, written offer of over six million Euros arrives then we must accept it and sell him, or match it and keep half of his economic rights. But they haven't done it in writing, which they must do." Basically we need to buy the other half of Kondogbia's ownership from the Doyen group, which means he'll cost at least 12m euros.