According to Japanese media, Union Saint-Gilloise is pursuing Japanese goalkeeper Keisuke Osako as one of their options, and the club has also considered Hervé Koffi. Sources in Japan suggest that Union has made a formal offer for the 27-year-old player and that a medical examination has been scheduled. It has also been reported that Osako's club, Sanfrecce Hiroshima, has announced he has left the squad with the intention of completing a transfer to a foreign team. The Japan international has 11 caps for his country, joined Sanfrecce Hiroshima in February 2018, and has a current Transfermarkt market value of €2.00m.