Thanh Le will defend his featherweight MMA title against Tang Kai with ONE Championship set to stage a blockbuster double-header event over back-to-back days in August at Singapore Indoor Stadium. Vietnamese-American Le (13-2) and China’s Tang (14-2) will be the headline act on August 26, with ONE 160 going down on a Friday night. The Asian martial arts promotion will then return to the same arena for ONE 161 the following morning on August 27, for its first live card on Amazon Prime Video in US prime time. The Saturday event will be headlined by a huge rematch between flyweight…