He has attracted attention from a number of top clubs, namely Galatasaray[REF] who tried to sign him during the summer break in 2007, but Kayserispor refused all offers, as well as another from Russian team FC Rubin Kazan for €6 million [REF].
Unal was sent to İstanbul Büyükşehir Belediyespor on a 6-month loan after his poor start to the season.