Tottenham are set to reap the rewards of their commercial drive in East Asia in recent years. Thanks largely to the popularity of captain Son Heung-Min, Spurs’ popularity in the region has skyrocketed over the last decade. It is believed that the North London club have a greater following in the region than any other Premier League side, so it was therefore no surprise to see them visit once again in pre-season. Ange Postecoglou, who has managed in Japan, oversaw his team’s 3-2 over Vissel Kobe in Tokyo, as well as a 5-3 win over a K League all-star side and a 2-1 defeat to Bayern Munich in Se…