The influx of Japanese players into Celtic is partly due to their Australian head coach Ange Postecoglou, who joined the club from Yokohama F. Marinos and knows the J. League very well.
But aside from their skill - the Vissel Kobe midfielder and World Cup winner Andres Iniesta described young Japanese players as "dynamic, talented and physically strong" - Japanese players offer a commercial opportunity for Scottish clubs.
