However, BVB set interested parties a deadline to make a bid last month.
He told Radio Montecarlo Italy: “I am still reflecting on whether I should leave or not.
“This club and these fans are incredible, but if I want to grow, I feel I need to leave.
“This is the question I keep on asking myself — and I don't have an answer.
“I need time to think about it. If I want to grow, I surely need to leave this summer.
“I am 27 and I need to grow.
“If I leave, it will only be somewhere I would play regularly."