When boxing coach Ng Kuok Ku - aka former Asia champion "The Macao Kid" - began training young hopeful Alvin Salinas for his first professional bout, he invited his own mentor, 90-year-old Chan Iok Seng, onto the team to add a touch of magic. As well as having six decades of experience training winners, Chan offers unique insights into the glorious past and current state of Macao's boxing scene